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value</title> <meta name="description" content="Search results for: cut-off value"> <meta name="keywords" content="cut-off value"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="cut-off value"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 60</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: cut-off value</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">60</span> Assessment and Control for Oil Aerosol</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chane-Yu%20Lai">Chane-Yu Lai</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiang-Yu%20Huang"> Xiang-Yu Huang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study conducted an assessment of sampling result by using the new development rotation filtration device (RFD) filled with porous media filters integrating the method of cyclone centrifugal spins. The testing system established for the experiment used corn oil and potassium sodium tartrate tetrahydrate (PST) as challenge aerosols and were produced by using an Ultrasonic Atomizing Nozzle, a Syringe Pump, and a Collison nebulizer. The collection efficiency of RFD for oil aerosol was assessed by using an Aerodynamic Particle Sizer (APS) and a Fidas® Frog. The results of RFD for the liquid particles condition indicated the cutoff size was 1.65 µm and 1.02 µm for rotation of 0 rpm and 9000 rpm, respectively, under an 80 PPI (pores per inch）foam with a thickness of 80 mm, and sampling velocity of 13.5 cm/s. As the experiment increased the foam thickness of RFD, the cutoff size reduced from 1.62 µm to 1.02 µm. However, when increased the foam porosity of RFD, the cutoff size reduced from 1.26 µm to 0.96 µm. Moreover, as increased the sampling velocity of RFD, the cutoff size reduced from 1.02 µm to 0.76 µm. These discrepancies of above cutoff sizes of RFD all had statistical significance (P < 0.05). The cutoff size of RFD for three experimental conditions of generated liquid oil particles, solid PST particles or both liquid oil and solid PST particles was 1.03 µm, 1.02 µm, or 0.99 µm, respectively, under a 80 PPI foam with thickness of 80 mm, rotation of 9000 rpm, and sampling velocity of 13.5 cm/s. In addition, under the best condition of the experiment, two hours of sampling loading, the RFD had better collection efficiency for particle diameter greater than 0.45 µm, under a 94 PPI nickel mesh with a thickness of 68 mm, rotation of 9000 rpm, and sampling velocity of 108.3 cm/s. The experiment concluded that increased the thickness of porous media, face velocity, and porosity of porous media of RFD could increase the collection efficiency of porous media for sampling oil particles. Moreover, increased the rotation speed of RFD also increased the collection efficiency for sampling oil particles. Further investigation is required for those above operation parameters for RFD in this study in the future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=oil%20aerosol" title="oil aerosol">oil aerosol</a>, <a href="https://publications.waset.org/abstracts/search?q=porous%20media%20filter" title=" porous media filter"> porous media filter</a>, <a href="https://publications.waset.org/abstracts/search?q=rotation" title=" rotation"> rotation</a>, <a href="https://publications.waset.org/abstracts/search?q=filtration" title=" filtration"> filtration</a> </p> <a href="https://publications.waset.org/abstracts/83476/assessment-and-control-for-oil-aerosol" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/83476.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">403</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">59</span> The Role of Cognitive Impairment in Asthma Self-Management Behaviors and Outcomes in Older Adults</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gali%20Moritz">Gali Moritz</a>, <a href="https://publications.waset.org/abstracts/search?q=Jacqueline%20H.%20Becker"> Jacqueline H. Becker</a>, <a href="https://publications.waset.org/abstracts/search?q=Jyoti%20V.%20Ankam"> Jyoti V. Ankam</a>, <a href="https://publications.waset.org/abstracts/search?q=Kimberly%20Arcoleo"> Kimberly Arcoleo</a>, <a href="https://publications.waset.org/abstracts/search?q=Matthew%20Wysocki"> Matthew Wysocki</a>, <a href="https://publications.waset.org/abstracts/search?q=Roee%20Holtzer"> Roee Holtzer</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20Wisnivesky"> Juan Wisnivesky</a>, <a href="https://publications.waset.org/abstracts/search?q=Paula%20J.%20Busse"> Paula J. Busse</a>, <a href="https://publications.waset.org/abstracts/search?q=Alex%20D.%20Federman"> Alex D. Federman</a>, <a href="https://publications.waset.org/abstracts/search?q=Sunit%20P.%20Jariwala"> Sunit P. Jariwala</a>, <a href="https://publications.waset.org/abstracts/search?q=Jonathan%20M.%20Feldman"> Jonathan M. Feldman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: Cognitive impairment (CI), whose incidence is greater among ethnic/racial minorities, is a significant barrier to asthma self-management (SM) behaviors and outcomes in older adults. The aim of this study was to examine the relationships between CI, assessed using the Montreal Cognitive Assessment (MoCA), and asthma SM behaviors and outcomes in a sample of predominantly Black and Hispanic participants. Additionally, we evaluated whether using two different MoCA cutoff scores influenced the association between CI and study outcomes. Methods: Baseline cross-sectional data were extracted from a longitudinal study of older adults with asthma (N=165) age≥ 60 years and used for analysis. Cognition was assessed using the MoCA. Asthma control, asthma-related quality of life (QOL), inhaled corticosteroid (ICS) dosing, and ICS adherence were assessed using self-report. The inhaler technique was observed and rated. Results: Using established MoCA cutoff scores of 23 and 26 yielded 45% and 74% CI rates, respectively. CI, defined using the 23 cutoff score, was significantly associated with worse asthma control (p=.04) and worse ICS adherence (p=.01). With a cutoff score of 26, only asthma-related QOL was significantly associated with CI (p=.03). Race/ethnicity and education did not moderate the relationships between CI and asthma SM behaviors and outcomes. Conclusions: CI in older adults with asthma is associated with important clinical outcomes, but this relationship is influenced by the cutoff score used to define CI. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cognition" title="cognition">cognition</a>, <a href="https://publications.waset.org/abstracts/search?q=respiratory" title=" respiratory"> respiratory</a>, <a href="https://publications.waset.org/abstracts/search?q=elderly" title=" elderly"> elderly</a>, <a href="https://publications.waset.org/abstracts/search?q=testing" title=" testing"> testing</a>, <a href="https://publications.waset.org/abstracts/search?q=adherence" title=" adherence"> adherence</a>, <a href="https://publications.waset.org/abstracts/search?q=validity" title=" validity"> validity</a> </p> <a href="https://publications.waset.org/abstracts/163963/the-role-of-cognitive-impairment-in-asthma-self-management-behaviors-and-outcomes-in-older-adults" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163963.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">80</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">58</span> Predictive Value of ¹⁸F-Fdg Accumulation in Visceral Fat Activity to Detect Colorectal Cancer Metastases</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amil%20Suleimanov">Amil Suleimanov</a>, <a href="https://publications.waset.org/abstracts/search?q=Aigul%20Saduakassova"> Aigul Saduakassova</a>, <a href="https://publications.waset.org/abstracts/search?q=Denis%20Vinnikov"> Denis Vinnikov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: To assess functional visceral fat (VAT) activity evaluated by ¹⁸F-fluorodeoxyglucose (¹⁸F-FDG) positron emission tomography/computed tomography (PET/CT) as a predictor of metastases in colorectal cancer (CRC). Materials and methods: We assessed 60 patients with histologically confirmed CRC who underwent 18F-FDG PET/CT after a surgical treatment and courses of chemotherapy. Age, histology, stage, and tumor grade were recorded. Functional VAT activity was measured by maximum standardized uptake value (SUVmax) using ¹⁸F-FDG PET/CT and tested as a predictor of later metastases in eight abdominal locations (RE – Epigastric Region, RLH – Left Hypochondriac Region, RRL – Right Lumbar Region, RU – Umbilical Region, RLL – Left Lumbar Region, RRI – Right Inguinal Region, RP – Hypogastric (Pubic) Region, RLI – Left Inguinal Region) and pelvic cavity (P) in the adjusted regression models. We also report the best areas under the curve (AUC) for SUVmax with the corresponding sensitivity (Se) and specificity (Sp). Results: In both adjusted for age regression models and ROC analysis, 18F-FDG accumulation in RLH (cutoff SUVmax 0.74; Se 75%; Sp 61%; AUC 0.668; p = 0.049), RU (cutoff SUVmax 0.78; Se 69%; Sp 61%; AUC 0.679; p = 0.035), RRL (cutoff SUVmax 1.05; Se 69%; Sp 77%; AUC 0.682; p = 0.032) and RRI (cutoff SUVmax 0.85; Se 63%; Sp 61%; AUC 0.672; p = 0.043) could predict later metastases in CRC patients, as opposed to age, sex, primary tumor location, tumor grade and histology. Conclusions: VAT SUVmax is significantly associated with later metastases in CRC patients and can be used as their predictor. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=%C2%B9%E2%81%B8F-FDG" title="¹⁸F-FDG">¹⁸F-FDG</a>, <a href="https://publications.waset.org/abstracts/search?q=PET%2FCT" title=" PET/CT"> PET/CT</a>, <a href="https://publications.waset.org/abstracts/search?q=colorectal%20cancer" title=" colorectal cancer"> colorectal cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=predictive%20value" title=" predictive value"> predictive value</a> </p> <a href="https://publications.waset.org/abstracts/150603/predictive-value-of-18f-fdg-accumulation-in-visceral-fat-activity-to-detect-colorectal-cancer-metastases" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150603.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">117</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">57</span> Analysis of Scaling Effects on Analog/RF Performance of Nanowire Gate-All-Around MOSFET</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dheeraj%20Sharma">Dheeraj Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Santosh%20Kumar%20Vishvakarma"> Santosh Kumar Vishvakarma</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We present a detailed analysis of analog and radiofrequency (RF) performance with different gate lengths for nanowire cylindrical gate (CylG) gate-all-around (GAA) MOSFET. CylG GAA MOSFET not only suppresses the short channel effects (SCEs), it is also a good candidate for analog/RF device due to its high transconductance (gm) and high cutoff frequency (fT ). The presented work would be beneficial for a new generation of RF circuits and systems in a broad range of applications and operating frequency covering the RF spectrum. For this purpose, the analog/RF figures of merit for CylG GAA MOSFET is analyzed in terms of gate to source capacitance (Cgs), gate to drain capacitance (Cgd), transconductance generation factor gm = Id (where Id represents drain current), intrinsic gain, output resistance, fT, maximum frequency of oscillation (fmax) and gain bandwidth (GBW) product. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gate-All-Around%20MOSFET" title="Gate-All-Around MOSFET">Gate-All-Around MOSFET</a>, <a href="https://publications.waset.org/abstracts/search?q=GAA" title=" GAA"> GAA</a>, <a href="https://publications.waset.org/abstracts/search?q=output%20resistance" title=" output resistance"> output resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=transconductance%20generation%20factor" title=" transconductance generation factor"> transconductance generation factor</a>, <a href="https://publications.waset.org/abstracts/search?q=intrinsic%20gain" title=" intrinsic gain"> intrinsic gain</a>, <a href="https://publications.waset.org/abstracts/search?q=cutoff%20frequency" title=" cutoff frequency"> cutoff frequency</a>, <a href="https://publications.waset.org/abstracts/search?q=fT" title=" fT"> fT</a> </p> <a href="https://publications.waset.org/abstracts/28209/analysis-of-scaling-effects-on-analogrf-performance-of-nanowire-gate-all-around-mosfet" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28209.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">397</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">56</span> High Harmonics Generation in Hexagonal Graphene Quantum Dots</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Armenuhi%20Ghazaryan">Armenuhi Ghazaryan</a>, <a href="https://publications.waset.org/abstracts/search?q=Qnarik%20Poghosyan"> Qnarik Poghosyan</a>, <a href="https://publications.waset.org/abstracts/search?q=Tadevos%20Markosyan"> Tadevos Markosyan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We have considered the high-order harmonic generation in-plane graphene quantum dots of hexagonal shape by the independent quasiparticle approximation-tight binding model. We have investigated how such a nonlinear effect is affected by a strong optical wave field, quantum dot typical band gap and lateral size, and dephasing processes. The equation of motion for the density matrix is solved by performing the time integration with the eight-order Runge-Kutta algorithm. If the optical wave frequency is much less than the quantum dot intrinsic band gap, the main aspects of multiphoton high harmonic emission in quantum dots are revealed. In such a case, the dependence of the cutoff photon energy on the strength of the optical pump wave is almost linear. But when the wave frequency is comparable to the bandgap of the quantum dot, the cutoff photon energy shows saturation behavior with an increase in the wave field strength. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=strong%20wave%20field" title="strong wave field">strong wave field</a>, <a href="https://publications.waset.org/abstracts/search?q=multiphoton" title=" multiphoton"> multiphoton</a>, <a href="https://publications.waset.org/abstracts/search?q=bandgap" title=" bandgap"> bandgap</a>, <a href="https://publications.waset.org/abstracts/search?q=wave%20field%20strength" title=" wave field strength"> wave field strength</a>, <a href="https://publications.waset.org/abstracts/search?q=nanostructure" title=" nanostructure"> nanostructure</a> </p> <a href="https://publications.waset.org/abstracts/168632/high-harmonics-generation-in-hexagonal-graphene-quantum-dots" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168632.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">156</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">55</span> The Use of Venous Glucose, Serum Lactate and Base Deficit as Biochemical Predictors of Mortality in Polytraumatized Patients: Acomparative with Trauma and Injury Severity Score and Acute Physiology and Chronic Health Evalution IV</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Osama%20Moustafa%20Zayed">Osama Moustafa Zayed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aim of the work: To evaluate the effectiveness of venous glucose, levels of serum lactate and base deficit in polytraumatized patients as simple parameters to predict the mortality in these patients. Compared to the predictive value of Trauma and injury severity (TRISS) and Acute Physiology And Chronic Health Evaluation IV (APACHE IV). Introduction: Trauma is a serious global health problem, accounting for approximately one in 10 deaths worldwide. Trauma accounts for 5 million deaths per year. Prediction of mortality in trauma patients is an important part of trauma care. Several trauma scores have been devised to predict injury severity and risk of mortality. The trauma and injury severity score (TRISS) was most common used. Regardless of the accuracy of trauma scores, is based on an anatomical description of every injury and cannot be assigned to the patients until a full diagnostic procedure has been performed. So we hypothesized that alterations in admission glucose, lactate levels and base deficit would be an early and easy rapid predictor of mortality. Patient and Method: a comparative cross-sectional study. 282 Polytraumatized patients attended to the Emergency Department(ED) of the Suez Canal university Hospital constituted. The period from 1/1/2012 to 1/4/2013 was included. Results: We found that the best cut off value of TRISS probability of survival score for prediction of mortality among poly-traumatized patients is = 90, with 77% sensitivity and 89% specificity using area under the ROC curve (0.89) at (95%CI). APACHE IV demonstrated 67% sensitivity and 95% specificity at 95% CI at cut off point 99. The best cutoff value of Random Blood Sugar (RBS) for prediction of mortality was>140 mg/dl, with 89%, sensitivity, 49% specificity. The best cut off value of base deficit for prediction of mortality was less than -5.6 with 64% sensitivity, 93% specificity. The best cutoff point of lactate for prediction of mortality was > 2.6 mmol/L with 92%, sensitivity, 42% specificity. Conclusion: According to our results from all evaluated predictors of mortality (laboratory and scores) and mortality based on the estimated cutoff values using ROC curves analysis, the highest risk of mortality was found using a cutoff value of 90 in TRISS score while with laboratory parameters the highest risk of mortality was with serum lactate > 2.6 . Although that all of the three parameter are accurate in predicting mortality in poly-traumatized patients and near with each other, as in serum lactate the area under the curve 0.82, in BD 0.79 and 0.77 in RBS. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=APACHE%20IV" title="APACHE IV">APACHE IV</a>, <a href="https://publications.waset.org/abstracts/search?q=emergency%20department" title=" emergency department"> emergency department</a>, <a href="https://publications.waset.org/abstracts/search?q=polytraumatized%20patients" title=" polytraumatized patients"> polytraumatized patients</a>, <a href="https://publications.waset.org/abstracts/search?q=serum%20lactate" title=" serum lactate"> serum lactate</a> </p> <a href="https://publications.waset.org/abstracts/37481/the-use-of-venous-glucose-serum-lactate-and-base-deficit-as-biochemical-predictors-of-mortality-in-polytraumatized-patients-acomparative-with-trauma-and-injury-severity-score-and-acute-physiology-and-chronic-health-evalution-iv" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37481.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">295</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">54</span> Predictive Value of Hepatitis B Core-Related Antigen (HBcrAg) during Natural History of Hepatitis B Virus Infection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yanhua%20Zhao">Yanhua Zhao</a>, <a href="https://publications.waset.org/abstracts/search?q=Yu%20Gou"> Yu Gou</a>, <a href="https://publications.waset.org/abstracts/search?q=Shu%20Feng"> Shu Feng</a>, <a href="https://publications.waset.org/abstracts/search?q=Dongdong%20Li"> Dongdong Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Chuanmin%20Tao"> Chuanmin Tao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The natural history of HBV infection could experience immune tolerant (IT), immune clearance (IC), HBeAg-negative inactive/quienscent carrier (ENQ), and HBeAg-negative hepatitis (ENH). As current biomarkers for discriminating these four phases have some weaknesses, additional serological indicators are needed. Hepatits B core-related antigen (HBcrAg) encoded with precore/core gene contains denatured HBeAg, HBV core antigen (HBcAg) and a 22KDa precore protein (p22cr), which was demonstrated to have a close association with natural history of hepatitis B infection, but no specific cutoff values and diagnostic parameters to evaluate the diagnostic efficacy. This study aimed to clarify the distribution of HBcrAg levels and evaluate its diagnostic performance during the natural history of infection from a Western Chinese perspective. 294 samples collected from treatment-naïve chronic hepatitis B (CHB) patients in different phases (IT=64; IC=72; ENQ=100, and ENH=58). We detected the HBcrAg values and analyzed the relationship between HBcrAg and HBV DNA. HBsAg and other clinical parameters were quantitatively tested. HBcrAg levels of four phases were 9.30 log U/mL, 8.80 log U/mL, 3.00 log U/mL, and 5.10 logU/mL, respectively (p < 0.0001). Receiver operating characteristic curve analysis demonstrated that the area under curves (AUCs) of HBcrAg and quantitative HBsAg at cutoff values of 9.25 log U/mL and 4.355 log IU/mL for distinguishing IT from IC phases were 0.704 and 0.694, with sensitivity 76.39% and 59.72%, specificity 53.13% and 79.69%, respectively. AUCs of HBcrAg and quantitative HBsAg at cutoff values of 4.15 log U/mlmL and 2.395 log IU/mlmL for discriminating between ENQ and ENH phases were 0.931 and 0.653, with sensitivity 87.93% and 84%, specificity 91.38% and 39%, respectively. Therefore, HBcrAg levels varied significantly among four natural phases of HBV infection. It had higher predictive performance than quantitative HBsAg for distinguishing between ENQ-patients and ENH-patients and similar performance with HBsAg for the discrimination between IT and IC phases, which indicated that HBcrAg could be a potential serological marker for CHB. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chronic%20hepatitis%20B" title="chronic hepatitis B">chronic hepatitis B</a>, <a href="https://publications.waset.org/abstracts/search?q=hepatitis%20B%20core-related%20antigen" title=" hepatitis B core-related antigen"> hepatitis B core-related antigen</a>, <a href="https://publications.waset.org/abstracts/search?q=hepatitis%20B%20surface%20antigens" title=" hepatitis B surface antigens"> hepatitis B surface antigens</a>, <a href="https://publications.waset.org/abstracts/search?q=hepatitis%20B%20virus" title=" hepatitis B virus"> hepatitis B virus</a> </p> <a href="https://publications.waset.org/abstracts/68938/predictive-value-of-hepatitis-b-core-related-antigen-hbcrag-during-natural-history-of-hepatitis-b-virus-infection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/68938.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">418</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">53</span> Biopsy or Biomarkers: Which Is the Sample of Choice in Assessment of Liver Fibrosis?</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20H.%20Atef">S. H. Atef</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20H.%20Mahmoud"> N. H. Mahmoud</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Abdrahman"> S. Abdrahman</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Fattoh"> A. Fattoh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: The aim of the study is to assess the diagnostic value of fibrotest and hyaluronic acid in discriminate between insignificant and significant fibrosis. Also, to find out if these parameters could replace liver biopsy which is currently used for selection of chronic hepatitis C patients eligible for antiviral therapy. Study design: This study was conducted on 52 patients with HCV RNA detected by polymerase chain reaction (PCR) who had undergone liver biopsy and attending the internal medicine clinic at Ain Shams University Hospital. Liver fibrosis was evaluated according to the METAVIR scoring system on a scale of F0 to F4. Biochemical markers assessed were: alpha-2 macroglobulin (α2-MG), apolipoprotein A1 (Apo-A1), haptoglobin, gamma-glutamyl transferase (GGT), total bilirubin (TB) and hyaluronic acid (HA). The fibrotest score was computed after adjusting for age and gender. Predictive values and ROC curves were used to assess the accuracy of fibrotest and HA results. Results: For fibrotest, the observed area under curve for the discrimination between minimal or no fibrosis (F0-F1) and significant fibrosis (F2-F4) was 0.6736 for cutoff value 0.19 with sensitivity of 84.2% and specificity of 85.7%. For HA, the sensitivity was 89.5% and specificity was 85.7% and area under curve was 0.540 at the best cutoff value 71 mg/dL. Multi-use of both parameters, HA at 71 mg/dL with fibrotest score at 0.22 give a sensitivity 89.5%, specificity 100 and efficacy 92.3% (AUC 0.895). Conclusion: The use of both fibrotest score and HA could be as alternative to biopsy in most patients with chronic hepaitis C putting in consideration some limitations of the proposed markers in evaluating liver fibrosis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fibrotest" title="fibrotest">fibrotest</a>, <a href="https://publications.waset.org/abstracts/search?q=liver%20fibrosis" title=" liver fibrosis"> liver fibrosis</a>, <a href="https://publications.waset.org/abstracts/search?q=HCV%20RNA" title=" HCV RNA"> HCV RNA</a>, <a href="https://publications.waset.org/abstracts/search?q=biochemical%20markers" title=" biochemical markers"> biochemical markers</a> </p> <a href="https://publications.waset.org/abstracts/37231/biopsy-or-biomarkers-which-is-the-sample-of-choice-in-assessment-of-liver-fibrosis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37231.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">287</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">52</span> Endometrial Thickness Cut-Off for Evacuation of Retained Product of Conception</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nambiar%20Ritu">Nambiar Ritu</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Ban"> Ali Ban</a>, <a href="https://publications.waset.org/abstracts/search?q=Munawar%20Farida"> Munawar Farida</a>, <a href="https://publications.waset.org/abstracts/search?q=Israell%20Imelda"> Israell Imelda</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Farouk%20Eman%20Rasheeda"> T. Farouk Eman Rasheeda</a>, <a href="https://publications.waset.org/abstracts/search?q=Jangalgi%20Renuka"> Jangalgi Renuka</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Boma%20Nellie"> S. Boma Nellie </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aim: To define the ultrasonographic endometrial thickness (USG ET) cutoff for evacuation of retained pieces of conception (ERPC). Background: Studies of conservative management of 1st trimester miscarriage have questioned the need for post miscarriage curettage. Therapeutic decision making with transvaginal scan post miscarriage endometrial thickness in patients clinically thought to be incomplete miscarriage is often not clear. Method: Retrospective analysis of all 1ST trimester ERPC at Al Rahba Hospital from June 2012 to July 2013 was done. Total of 164 patients underwent ERPC. All cases were reviewed for pre-operative USG ET and post ERPC histopathological examination. TVS was done to evaluate the maximum ET of the uterine cavity along the long axis of the uterus and features of retained products was noted. All cases without preoperative USG ET measurement were excluded from the study, therefore only 62 out of 164 cases were included in the study. The patients were divided into three groups: o Group A: have retained products within endometrial cavity. o Group B: endometrial thickness equal or more than 20 mm. o Group C: endometrial thickness equal or less than 19.9 mm. o Post ERPC product was sent for HPE and the results were compared. Transvaginal sonographic findings can be used as a deciding factor in the management of patients with 1st trimester miscarriage who need ERPC. Our proposed cutoff in clinically stable patients requiring ERPC is more than 20 mm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ERPC" title="ERPC">ERPC</a>, <a href="https://publications.waset.org/abstracts/search?q=histopathological%20examination" title=" histopathological examination"> histopathological examination</a>, <a href="https://publications.waset.org/abstracts/search?q=long%20axis%20of%20the%20uterus" title=" long axis of the uterus"> long axis of the uterus</a>, <a href="https://publications.waset.org/abstracts/search?q=USG%20ET" title=" USG ET"> USG ET</a> </p> <a href="https://publications.waset.org/abstracts/16298/endometrial-thickness-cut-off-for-evacuation-of-retained-product-of-conception" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16298.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">216</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">51</span> Bereavement Risk Assessment of Family Caregivers of Patients with Cancer: Relationship between Bereavement Risk and Post-Loss Psychological Distress</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tomohiro%20Uchida">Tomohiro Uchida</a>, <a href="https://publications.waset.org/abstracts/search?q=Noriaki%20Satake"> Noriaki Satake</a>, <a href="https://publications.waset.org/abstracts/search?q=Toshimichi%20Nakaho"> Toshimichi Nakaho</a>, <a href="https://publications.waset.org/abstracts/search?q=Akira%20Inoue"> Akira Inoue</a>, <a href="https://publications.waset.org/abstracts/search?q=Hidemitsu%20Saito"> Hidemitsu Saito</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, we assessed the bereavement risk of family caregivers of patients with cancer. In the palliative care unit of Tohoku University Hospital, we conducted a family psychoeducation session to support the family caregivers of patients with cancer. A total of 50 participants (8 males and 42 females; mean age = 62.98 years, SD = 11.10) were assessed after the session for bereavement risk using the Japanese version of the Bereavement Risk Assessment Tool (BRAT-J). According to the BRAT-J scores, eight participants were considered to be having no known risk (Level 1), seventeen had minimal risk (Level 2), twenty had a low risk (Level 3), four had a moderate risk (Level 4), and one had a high risk (Level 5). Of these participants, seven participants had completed the follow-up postal survey that assessed their psychological distress (the Kessler Psychological Distress Scale: K6) to compare the bereavement risk. According to the K6 scores, three-fourth of the individuals, who were considered to be at Level 3 on the BRAT-J, scored higher than the cutoff point (>10) for the detection of depressive disorder. On the other hand, one-third of the individuals, who were considered to be at Level 2 on the BRAT-J, scored higher than the cutoff point. Therefore, it appears that the BRAT-J can predict the likelihood of difficulties or complications in bereaved family caregivers. This research was approved by the Ethics Committee of Tohoku University Graduate School of Medicine and Tohoku University Hospital. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=palliative%20care" title="palliative care">palliative care</a>, <a href="https://publications.waset.org/abstracts/search?q=family%20caregivers" title=" family caregivers"> family caregivers</a>, <a href="https://publications.waset.org/abstracts/search?q=bereavement%20risk" title=" bereavement risk"> bereavement risk</a>, <a href="https://publications.waset.org/abstracts/search?q=BRAT" title=" BRAT"> BRAT</a>, <a href="https://publications.waset.org/abstracts/search?q=post-loss%20psychological%20distress" title=" post-loss psychological distress"> post-loss psychological distress</a> </p> <a href="https://publications.waset.org/abstracts/72459/bereavement-risk-assessment-of-family-caregivers-of-patients-with-cancer-relationship-between-bereavement-risk-and-post-loss-psychological-distress" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72459.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">456</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">50</span> Magnetic Resonance Imaging for Assessment of the Quadriceps Tendon Cross-Sectional Area as an Adjunctive Diagnostic Parameter in Patients with Patellofemoral Pain Syndrome</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jae%20Ni%20Jang">Jae Ni Jang</a>, <a href="https://publications.waset.org/abstracts/search?q=SoYoon%20Park"> SoYoon Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Sukhee%20Park"> Sukhee Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Yumin%20Song"> Yumin Song</a>, <a href="https://publications.waset.org/abstracts/search?q=Jae%20Won%20Kim"> Jae Won Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Keum%20Nae%20Kang"> Keum Nae Kang</a>, <a href="https://publications.waset.org/abstracts/search?q=Young%20Uk%20Kim"> Young Uk Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives: Patellofemoral pain syndrome (PFPS) is a common clinical condition characterized by anterior knee pain. Here, we investigated the quadriceps tendon cross-sectional area (QTCSA) as a novel predictor for the diagnosis of PFPS. By examining the association between the QTCSA and PFPS, we aimed to provide a more valuable diagnostic parameter and more equivocal assessment of the diagnostic potential of PFPS by comparing the QTCSA with the quadriceps tendon thickness (QTT), a traditional measure of quadriceps tendon hypertrophy. Patients and Methods: This retrospective study included 30 patients with PFPS and 30 healthy participants who underwent knee magnetic resonance imaging. T1-weighted turbo spin echo transverse magnetic resonance images were obtained. The QTCSA was measured on the axial-angled phases of the images by drawing outlines, and the QTT was measured at the most hypertrophied quadriceps tendon. Results: The average QTT and QTCSA for patients with PFPS (6.33±0.80 mm and 155.77±36.60 mm², respectively) were significantly greater than those for healthy participants (5.77±0.36 mm and 111.90±24.10 mm2, respectively; both P<0.001). We used a receiver operating characteristic curve to confirm the sensitivities and specificities for both the QTT and QTCSA as predictors of PFPS. The optimal diagnostic cutoff value for QTT was 5.98 mm, with a sensitivity of 66.7%, a specificity of 70.0%, and an area under the curve of 0.75 (0.62–0.88). The optimal diagnostic cutoff value for QTCSA was 121.04 mm², with a sensitivity of 73.3%, a specificity of 70.0%, and an area under the curve of 0.83 (0.74–0.93). Conclusion: The QTCSA was found to be a more reliable diagnostic indicator for PFPS than QTT. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=patellofemoral%20pain%20syndrome" title="patellofemoral pain syndrome">patellofemoral pain syndrome</a>, <a href="https://publications.waset.org/abstracts/search?q=quadriceps%20muscle" title=" quadriceps muscle"> quadriceps muscle</a>, <a href="https://publications.waset.org/abstracts/search?q=hypertrophy" title=" hypertrophy"> hypertrophy</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20resonance%20imaging" title=" magnetic resonance imaging"> magnetic resonance imaging</a> </p> <a href="https://publications.waset.org/abstracts/186367/magnetic-resonance-imaging-for-assessment-of-the-quadriceps-tendon-cross-sectional-area-as-an-adjunctive-diagnostic-parameter-in-patients-with-patellofemoral-pain-syndrome" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186367.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">51</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">49</span> Validation of the Female Sexual Function Index and the Female Sexual Distress Scale-Desire/Arousal/Orgasm in Chinese Women</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lan%20Luo">Lan Luo</a>, <a href="https://publications.waset.org/abstracts/search?q=Jingjing%20Huang"> Jingjing Huang</a>, <a href="https://publications.waset.org/abstracts/search?q=Huafang%20Li"> Huafang Li</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Distressing low sexual desire is common in China, while the lack of reliable and valid instruments to evaluate symptoms of hypoactive sexual desire disorder (HSDD) impedes related research and clinical services. Aim: This study aimed to validate the reliability and validity of the Female Sexual Function Index (FSFI) and the Female Sexual Distress Scale-Desire/Arousal/Orgasm (FSDS-DAO) in Chinese female HSDD patients. Methods: We administered FSFI and FSDS-DAO in a convenient sample of Chinese adult women. Participants were diagnosed by a psychiatrist according to the Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, Text Revision (DSM-IV-TR). Results: We had a valid analysis sample of 279 Chinese women, of which 107 were HSDD patients. The Cronbach's α of FSFI and FSDS-DAO were 0.947 and 0.956, respectively, and the intraclass correlation coefficients of which were 0.86 and 0.89, respectively (the interval was 13-15 days). The correlation coefficient between the Revised Adult Attachment Scale (RAAS) and FSFI (or FSDS-DAO) did not exceed 0.4; the area under the receiver operating characteristic (ROC) curve was 0. 83 when combined FSFI-d (the desire domain of FSFI) and FSDS-DAO to diagnose HSDD, which was significantly different from that of using these scales individually. FSFI-d of less than 2.7 (1.2-6) and FSDS-DAO of no less than 15 (0-60) (Sensitivity 65%, Specificity 83%), or FSFI-d of no more than 3.0 (1.2-6) and FSDS-DAO of no less than 14 (0-60) (Sensitivity 74%, Specificity 77%) can be used as cutoff scores in clinical research or outpatient screening. Clinical implications: FSFI (including FSFI-d) and FSDS-DAO are suitable for the screening and evaluation of Chinese female HSDD patients of childbearing age. Strengths and limitations: Strengths include a thorough validation of FSFI and FSDS-DAO and the exploration of the cutoff score combing FSFI-d and FSDS-DAO. Limitations include a small convenience sample and the requirement of being sexually active for HSDD patients. Conclusion: FSFI (including FSFI-d) and FSDS-DAO have good internal consistency, test-retest reliability, construct validity, and criterion validity in Chinese female HSDD patients of childbearing age. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sexual%20desire" title="sexual desire">sexual desire</a>, <a href="https://publications.waset.org/abstracts/search?q=sexual%20distress" title=" sexual distress"> sexual distress</a>, <a href="https://publications.waset.org/abstracts/search?q=hypoactive%20sexual%20desire%20disorder" title=" hypoactive sexual desire disorder"> hypoactive sexual desire disorder</a>, <a href="https://publications.waset.org/abstracts/search?q=scale" title=" scale"> scale</a> </p> <a href="https://publications.waset.org/abstracts/166915/validation-of-the-female-sexual-function-index-and-the-female-sexual-distress-scale-desirearousalorgasm-in-chinese-women" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166915.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">76</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">48</span> Protection of the Valves against AC Faults Using the Fast-Acting HVDC Controls</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mesbah%20Tarek">Mesbah Tarek</a>, <a href="https://publications.waset.org/abstracts/search?q=Kelaiaia%20Samia"> Kelaiaia Samia</a>, <a href="https://publications.waset.org/abstracts/search?q=Chiheb%20Sofien"> Chiheb Sofien</a>, <a href="https://publications.waset.org/abstracts/search?q=Kelaiaia%20Mounia%20Samira"> Kelaiaia Mounia Samira</a>, <a href="https://publications.waset.org/abstracts/search?q=Labar%20Hocine"> Labar Hocine</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Short circuit causes important damage in power systems. The aim of this paper is the investigation of the effect of short circuit at the AC side inverter in HVDC transmission line. The cutoff of HVDC transmission line implies important economic losses. In this paper it is proposed an efficient procedure which can protect and eliminate the fault quickly. The theoretical development and simulation are well detailed and illustrated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=AC%20inverter" title="AC inverter">AC inverter</a>, <a href="https://publications.waset.org/abstracts/search?q=HVDC" title=" HVDC"> HVDC</a>, <a href="https://publications.waset.org/abstracts/search?q=short%20circuit" title=" short circuit"> short circuit</a>, <a href="https://publications.waset.org/abstracts/search?q=switcher%20gate" title=" switcher gate"> switcher gate</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20system" title=" power system"> power system</a> </p> <a href="https://publications.waset.org/abstracts/22000/protection-of-the-valves-against-ac-faults-using-the-fast-acting-hvdc-controls" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22000.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">563</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">47</span> The Role of Cognitive Control and Social Camouflage Associated with Social Anxiety Autism Spectrum Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Siqing%20Guan">Siqing Guan</a>, <a href="https://publications.waset.org/abstracts/search?q=Fumiyo%20Oshima"> Fumiyo Oshima</a>, <a href="https://publications.waset.org/abstracts/search?q=Eiji%20Shimizu"> Eiji Shimizu</a>, <a href="https://publications.waset.org/abstracts/search?q=Nozomi%20Tomita"> Nozomi Tomita</a>, <a href="https://publications.waset.org/abstracts/search?q=Toru%20Takahashi"> Toru Takahashi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hiroaki%20Kumano"> Hiroaki Kumano</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Risk factors for social anxiety in autism spectrum conditions involve executive attention, emotion regulation, and thought regulation as processes of cognitive dysregulation. Social camouflaging behaviors as strategies used to mask and/or compensate for autism characteristics during social interactions in autism spectrum conditions have also been emphasized. However, the role of cognitive dysregulation and social camouflaging related to social anxiety in autism spectrum conditions has not been clarified. Whether these factors are specific to social anxiety in autism spectrum conditions or common to social anxiety independent of autism spectrum conditions needs to be clarified. Here, we explored risk factors specific to social anxiety in autism spectrum conditions and general risk factors for social anxiety independent of autism spectrum conditions. From the Japanese participants in early adulthood (age=18~39) of the online survey in Japan, those who exceeded the Japanese version Autism-Spectrum Quotient cutoff (33 points or more )were divided into the autism spectrum conditions group (ASC; N=255, mean age=32.08, SD age=5.16)and those who did not exceed the cutoff were divided into the non-autism spectrum conditions group (Non-ASC; N=255, mean age=31.70, SD age=5.09). Using the Japanese versions of the Social Phobia Scale, the Social Interaction Anxiety Scale, and the Short Fear of Negative Evaluation Scale, a composite score for social anxiety was calculated using a method of principal. We also measured emotional control difficulties using the Difficulties in Emotion Regulation Scale, executive attention using the Effortful Control Scale for Adults, rumination using the Rumination-Reflection Questionnaire, and worry using the Penn State Worry Questionnaire. This study was passed through the review of the Ethics Committee. No conflicts of interest. Multiple regression analysis with forced entry method was used to predict social anxiety in the ASC and non-ASC groups separately, based on executive attention, emotion dysregulation, worry, rumination, and social camouflage. In the ASC group, emotion dysregulation (β=.277, p<.001), worry (β=.162, p<.05), assimilation (β=.308, p<.001) and masking (β=.275, p<.001) were significant predictors of social anxiety (F (7,247) = 45.791, p <.001, R2=.565). In the non-ASC groups,emotion dysregulation (β=.171, p<.05), worry (β=.344，p <.001), assimilation (β=.366,p <.001) and executive attention (β=-.132,p <.05) were significant predictors of social anxiety (F (7,207) =47.333, p <.001, R2=.615).The findings suggest that masking was shown to be a risk factor for social anxiety specific to autism spectrum conditions, while emotion dysregulation, worry, and assimilation were shown to be common risk factors for social anxiety, regardless of autism spectrum conditions. In addition, executive attention is a risk factor for social anxiety without autism spectrum conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=autism%20spectrum" title="autism spectrum">autism spectrum</a>, <a href="https://publications.waset.org/abstracts/search?q=cognitive%20control" title=" cognitive control"> cognitive control</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20anxiety" title=" social anxiety"> social anxiety</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20camouflaging" title=" social camouflaging"> social camouflaging</a> </p> <a href="https://publications.waset.org/abstracts/144775/the-role-of-cognitive-control-and-social-camouflage-associated-with-social-anxiety-autism-spectrum-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144775.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">208</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">46</span> Thermal Effect in Power Electrical for HEMTs Devices with InAlN/GaN</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zakarya%20Kourdi">Zakarya Kourdi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Khaouani"> Mohammed Khaouani</a>, <a href="https://publications.waset.org/abstracts/search?q=Benyounes%20Bouazza"> Benyounes Bouazza</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahlam%20Guen-Bouazza"> Ahlam Guen-Bouazza</a>, <a href="https://publications.waset.org/abstracts/search?q=Amine%20Boursali"> Amine Boursali</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we have evaluated the thermal effect for high electron mobility transistors (HEMTs) heterostructure InAlN/GaN with a gate length 30nm high-performance. It also shows the analysis and simulated these devices, and how can be used in different application. The simulator Tcad-Silvaco software has used for predictive results good for the DC, AC and RF characteristic, Devices offered max drain current 0.67A; transconductance is 720 mS/mm the unilateral power gain of 180 dB. A cutoff frequency of 385 GHz, and max frequency 810 GHz These results confirm the feasibility of using HEMTs with InAlN/GaN in high power amplifiers, as well as thermal places. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=HEMT" title="HEMT">HEMT</a>, <a href="https://publications.waset.org/abstracts/search?q=Thermal%20Effect" title=" Thermal Effect"> Thermal Effect</a>, <a href="https://publications.waset.org/abstracts/search?q=Silvaco" title=" Silvaco"> Silvaco</a>, <a href="https://publications.waset.org/abstracts/search?q=InAlN%2FGaN" title=" InAlN/GaN"> InAlN/GaN</a> </p> <a href="https://publications.waset.org/abstracts/25974/thermal-effect-in-power-electrical-for-hemts-devices-with-inalngan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25974.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">467</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">45</span> Anxiety and Depression in Caregivers of Autistic Children</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mou%20Juliet%20Rebeiro">Mou Juliet Rebeiro</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20M.%20Abul%20Kalam%20Azad"> S. M. Abul Kalam Azad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study was carried out to see the anxiety and depression in caregivers of autistic children. The objectives of the research were to assess depression and anxiety among caregivers of autistic children and to find out the experience of caregivers. For this purpose, the research was conducted on a sample of 39 caregivers of autistic children. Participants were taken from a special school. To collect data for this study each of the caregivers were administered questionnaire comprising scales to measure anxiety and depression and some responses of the participants were taken through interview based on a topic guide. Obtained quantitative data were analyzed by using statistical analysis and qualitative data were analyzed according to themes. Mean of the anxiety score (55.85) and depression score (108.33) is above the cutoff point. Results showed that anxiety and depression is clinically present in caregivers of autistic children. Most of the caregivers experienced behavior, emotional, cognitive and social problems of their child that is linked with anxiety and depression. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anxiety" title="anxiety">anxiety</a>, <a href="https://publications.waset.org/abstracts/search?q=autism" title=" autism"> autism</a>, <a href="https://publications.waset.org/abstracts/search?q=caregiver" title=" caregiver"> caregiver</a>, <a href="https://publications.waset.org/abstracts/search?q=depression" title=" depression"> depression</a> </p> <a href="https://publications.waset.org/abstracts/59275/anxiety-and-depression-in-caregivers-of-autistic-children" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59275.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">303</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">44</span> A Clinical Cutoff to Identify Metabolically Unhealthy Obese and Normal-Weight Phenotype in Young Adults</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=L%C3%ADvia%20Pinheiro%20Carvalho">Lívia Pinheiro Carvalho</a>, <a href="https://publications.waset.org/abstracts/search?q=Luciana%20Di%20Thommazo-Luporini"> Luciana Di Thommazo-Luporini</a>, <a href="https://publications.waset.org/abstracts/search?q=Rafael%20Lu%C3%ADs%20Luporini"> Rafael Luís Luporini</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20Carlos%20Bonjorno%20Junior"> José Carlos Bonjorno Junior</a>, <a href="https://publications.waset.org/abstracts/search?q=Renata%20Pedrolongo%20Basso%20Vanelli"> Renata Pedrolongo Basso Vanelli</a>, <a href="https://publications.waset.org/abstracts/search?q=Manoel%20Carneiro%20de%20Oliveira%20Junior"> Manoel Carneiro de Oliveira Junior</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20de%20Paula%20Vieira"> Rodolfo de Paula Vieira</a>, <a href="https://publications.waset.org/abstracts/search?q=Renata%20Trimer"> Renata Trimer</a>, <a href="https://publications.waset.org/abstracts/search?q=Renata%20G.%20Mendes"> Renata G. Mendes</a>, <a href="https://publications.waset.org/abstracts/search?q=Myl%C3%A8ne%20Aubertin-Leheudre"> Mylène Aubertin-Leheudre</a>, <a href="https://publications.waset.org/abstracts/search?q=Audrey%20Borghi-Silva"> Audrey Borghi-Silva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Rationale: Cardiorespiratory fitness (CRF) and functional capacity in young obese and normal-weight people are associated with metabolic and cardiovascular diseases and mortality. However, it remains unclear whether their metabolically healthy (MH) or at risk (AR) phenotype influences cardiorespiratory fitness in this vulnerable population such as obese adults but also in normal-weight people. HOMA insulin resistance index (HI) and leptin-adiponectin ratio (LA) are strong markers for characterizing those phenotypes that we hypothesized to be associated with physical fitness. We also hypothesized that an easy and feasible exercise test could identify a subpopulation at risk to develop metabolic and related disorders. Methods: Thirty-nine sedentary men and women (20-45y; 18.5<BMI<24.9 or BMI>30 kg.m-2) underwent a clinical evaluation, including the six-minute step test (ST), a well-validated and reliable test for young people. Body composition assessment was done by a tetrapolar bioimpedance in a fasting state and in the folicular phase for women. A maximal cardiopulmonary exercise testing, as well as the ST, evaluated the oxygen uptake at the peak of the test (VO2peak) by an ergospirometer Oxycon Mobile. Lipids, glucose, insulin were analysed and the ELISA method quantified the serum leptin and adiponectin from blood samples. Volunteers were divided in two groups: AR or MH according to a HI cutoff of 1.95, which was previously determined in the literature. T-test for comparison between groups, Pearson´s test to correlate main variables and ROC analysis for discriminating AR from up-and-down cycles in ST (SC) were applied (p<0.05). Results: Higher LA, fat mass (FM) and lower HDL, SC, leg lean mass (LM) and VO2peak were found in AR than in MH. Significant correlations were found between VO2peak and SC (r= 0.80) as well as between LA and FM (r=0.87), VO2peak (r=-0.73), and SC (r=-0.65). Area under de curve showed moderate accuracy (0.75) of SC <173 to discriminate AR phenotype. Conclusion: Our study found that at risk obese and normal-weight subjects showed an unhealthy metabolism as well as a poor CRF and functional daily activity capacity. Additionally, a simple and less costly functional test associated with above-mentioned aspects is able to identify ‘at risk’ subjects for primary intervention with important clinical and health implications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aerobic%20capacity" title="aerobic capacity">aerobic capacity</a>, <a href="https://publications.waset.org/abstracts/search?q=exercise" title=" exercise"> exercise</a>, <a href="https://publications.waset.org/abstracts/search?q=fitness" title=" fitness"> fitness</a>, <a href="https://publications.waset.org/abstracts/search?q=metabolism" title=" metabolism"> metabolism</a>, <a href="https://publications.waset.org/abstracts/search?q=obesity" title=" obesity"> obesity</a>, <a href="https://publications.waset.org/abstracts/search?q=6MST" title=" 6MST"> 6MST</a> </p> <a href="https://publications.waset.org/abstracts/46552/a-clinical-cutoff-to-identify-metabolically-unhealthy-obese-and-normal-weight-phenotype-in-young-adults" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46552.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">354</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">43</span> Probabilistic Study of Impact Threat to Civil Aircraft and Realistic Impact Energy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ye%20Zhang">Ye Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Chuanjun%20Liu"> Chuanjun Liu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In-service aircraft is exposed to different types of threaten, e.g. bird strike, ground vehicle impact, and run-way debris, or even lightning strike, etc. To satisfy the aircraft damage tolerance design requirements, the designer has to understand the threatening level for different types of the aircraft structures, either metallic or composite. Exposing to low-velocity impacts may produce very serious internal damages such as delaminations and matrix cracks without leaving visible mark onto the impacted surfaces for composite structures. This internal damage can cause significant reduction in the load carrying capacity of structures. The semi-probabilistic method provides a practical and proper approximation to establish the impact-threat based energy cut-off level for the damage tolerance evaluation of the aircraft components. Thus, the probabilistic distribution of impact threat and the realistic impact energy level cut-offs are the essential establishments required for the certification of aircraft composite structures. A new survey of impact threat to civil aircraft in-service has recently been carried out based on field records concerning around 500 civil aircrafts (mainly single aisles) and more than 4.8 million flight hours. In total 1,006 damages caused by low-velocity impact events had been screened out from more than 8,000 records including impact dents, scratches, corrosions, delaminations, cracks etc. The impact threat dependency on the location of the aircraft structures and structural configuration was analyzed. Although the survey was mainly focusing on the metallic structures, the resulting low-energy impact data are believed likely representative to general civil aircraft, since the service environments and the maintenance operations are independent of the materials of the structures. The probability of impact damage occurrence (Po) and impact energy exceedance (Pe) are the two key parameters for describing the statistic distribution of impact threat. With the impact damage events from the survey, Po can be estimated as 2.1x10-4 per flight hour. Concerning the calculation of Pe, a numerical model was developed using the commercial FEA software ABAQUS to backward estimate the impact energy based on the visible damage characteristics. The relationship between the visible dent depth and impact energy was established and validated by drop-weight impact experiments. Based on survey results, Pe was calculated and assumed having a log-linear relationship versus the impact energy. As the product of two aforementioned probabilities, Po and Pe, it is reasonable and conservative to assume Pa=PoxPe=10-5, which indicates that the low-velocity impact events are similarly likely as the Limit Load events. Combing Pa with two probabilities Po and Pe obtained based on the field survey, the cutoff level of realistic impact energy was estimated and valued as 34 J. In summary, a new survey was recently done on field records of civil aircraft to investigate the probabilistic distribution of impact threat. Based on the data, two probabilities, Po and Pe, were obtained. Considering a conservative assumption of Pa, the cutoff energy level for the realistic impact energy has been determined, which provides potential applicability in damage tolerance certification of future civil aircraft. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=composite%20structure" title="composite structure">composite structure</a>, <a href="https://publications.waset.org/abstracts/search?q=damage%20tolerance" title=" damage tolerance"> damage tolerance</a>, <a href="https://publications.waset.org/abstracts/search?q=impact%20threat" title=" impact threat"> impact threat</a>, <a href="https://publications.waset.org/abstracts/search?q=probabilistic" title=" probabilistic"> probabilistic</a> </p> <a href="https://publications.waset.org/abstracts/46129/probabilistic-study-of-impact-threat-to-civil-aircraft-and-realistic-impact-energy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46129.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">308</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">42</span> Directional Ground Improvement Technique for Urban Tunnel Projects in Vietnam</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Le%20Quang%20Hanh">Le Quang Hanh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Almost all big cities in Vietnam are often located in the river deltas. Therefore the ground condition on these cities is mostly soft soil. As a result, the soil strengthen works are mandatory in order to prevent the harmful to the third parties and tunnel structure itself in urban tunnel projects in Vietnam. This paper will particularly introduce the large diameter jet-grouted column technique that is recently being successfully applied in Ho Chi Minh City in Vietnam. The success application of this technique for protecting the historical sensitive building and for water cutoff objective of launching and arriving shafts in the urban tunnel project, will be analyzed from construction process, quality control and lessons learnt. From this situation, the large diameter jet-grouted column technique can extend to another urban tunnel projects in Vietnam and other countries which have similar soft soil conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=large%20diameter" title="large diameter">large diameter</a>, <a href="https://publications.waset.org/abstracts/search?q=jet%20grouting" title=" jet grouting"> jet grouting</a>, <a href="https://publications.waset.org/abstracts/search?q=ground%20improvement" title=" ground improvement"> ground improvement</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20tunnel" title=" urban tunnel"> urban tunnel</a> </p> <a href="https://publications.waset.org/abstracts/77585/directional-ground-improvement-technique-for-urban-tunnel-projects-in-vietnam" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77585.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">211</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">41</span> Need and Willingness to Use ‘Meditation on Twin Hearts’ for Management of Anxiety and Depression for the Transgender Community: A Pilot Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Neha%20Joshi">Neha Joshi</a>, <a href="https://publications.waset.org/abstracts/search?q=Srikanth%20Jois"> Srikanth Jois</a>, <a href="https://publications.waset.org/abstracts/search?q=Hector%20J.%20Peughero"> Hector J. Peughero</a>, <a href="https://publications.waset.org/abstracts/search?q=Poornima%20Jayakrishna"> Poornima Jayakrishna</a>, <a href="https://publications.waset.org/abstracts/search?q=Moulya%20R."> Moulya R.</a>, <a href="https://publications.waset.org/abstracts/search?q=Purnima%20Madivanan"> Purnima Madivanan</a>, <a href="https://publications.waset.org/abstracts/search?q=Kiran%20Kumar%20K.%20Salagame"> Kiran Kumar K. Salagame</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Transgenders are a marginalized section of the community, who are at high risk of mental health problems due to their stigmatization, abandonment by family, prejudice, discrimination by society at large, and the physical, emotional, and sexual abuse from both within and outside their community. Their mental healthcare needs remain largely unaddressed due to lack of access, discrimination by healthcare professions, and lack of resources, including time and money, to seek conventional medical and psychotherapeutic treatments. Meditation is increasingly receiving acceptance as a tool for managing stress and anxiety by the patients as well as mental healthcare professionals. “Meditation on Twin Hearts” is a no cost, self-administered intervention that a person can practice anywhere and at any time of the day. This pilot study evaluates the need for alternate traditional and ingenious interventions like “Meditation of Twin Hearts” to address the mental healthcare needs of the transgender community and acceptance of such an intervention by the community. Thirteen individuals identifying themselves as transgender were invited to participate in one (Hunsur Taluk) of the five scheduled free meditation camps in Mysore. After obtaining informed consent for participation in the study, their mental health status is captured using an anonymous survey using standard, validated, self-reported questionnaires Generalised Anxiety Disorders (GAD)-7 for anxiety, Patient Health Questionnaire (PHQ-9) for depression, and Suicidal Behavior Questionnaire-Revised for suicidality. Then, they were requested to attend a session on “Meditation on Twin Hearts.” After the session, their feedback on willingness to further explore the meditation technique for managing their mental healthcare need was assessed through another survey form. Out of the 13 participants, 92% scored for anxiety (4 mild, and 8 moderate anxiety). In the depression scale, 5 scored for mild and 5 for moderate depression, with a total of 77% (10/13) scoring positively on depression scale. Nearly 70% of participants (9/13), scored greater than the clinical cutoff for the need for clinical intervention. The proportion of individuals at risk for suicide was particularly high in this group, with 8/ 13 (61.5%) participants scoring the clinical cutoff score of ≥ 7. Surprisingly, none of the participants had ever consulted a mental healthcare professional. All the participants (13/13; 100%) responded in affirmative to the question, “Will you be willing to continue meditation for management of your anxiety?” Six out of 13 participants described their experience of meditation as “happy” and 3 described it as “peaceful”. None of the participants reported any negative beliefs or experience regarding the meditation. The study provides evidence for the urgent yet unmet mental healthcare need of the transgender community. The findings of the study also supports the rationale of conducting future systematic research to evaluate and explore ingenious and traditional practices, such as meditation, to meet the healthcare needs, especially in marginalized populations in a low income setting such as Lower and Middle Income countries. Based on these preliminary findings, the Principal Investigator (PI) is planning to cover 4 more areas of Mysore district. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anxiety" title="anxiety">anxiety</a>, <a href="https://publications.waset.org/abstracts/search?q=depression" title=" depression"> depression</a>, <a href="https://publications.waset.org/abstracts/search?q=meditation%20on%20twin%20heart" title=" meditation on twin heart"> meditation on twin heart</a>, <a href="https://publications.waset.org/abstracts/search?q=suicidality" title=" suicidality"> suicidality</a>, <a href="https://publications.waset.org/abstracts/search?q=transgender" title=" transgender"> transgender</a> </p> <a href="https://publications.waset.org/abstracts/107220/need-and-willingness-to-use-meditation-on-twin-hearts-for-management-of-anxiety-and-depression-for-the-transgender-community-a-pilot-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/107220.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">199</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">40</span> Preparation and Characterization of Electrospun CdTe Quantum Dots / Nylon-6 Nanofiber Mat</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Negar%20Mesgara">Negar Mesgara</a>, <a href="https://publications.waset.org/abstracts/search?q=Laleh%20Maleknia"> Laleh Maleknia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, electrospun CdTe quantum dot / nylon-6 nanofiber mats were successfully prepared. The nanofiber mats were characterized by FE-SEM, XRD and EDX analyses. The results revealed that fibers in different distinct sizes (nano and subnano scale) were obtained with the electrospinning parameters. The phenomenon of ‘on ‘ and ‘off ‘ luminescence intermittency (blinking) of CdTe QDs in nylon-6 was investigated by single-molecule optical microscopy, and we identified that the intermittencies of single QDs were correlated with the interaction of water molecules absorbed on the QD surface. The ‘off’ times, the interval between adjacent ‘on’ states, remained essentially unaffected with an increase in excitation intensity. In the case of ‘on’ time distribution, power law behavior with an exponential cutoff tail is observed at longer time scales. These observations indicate that the luminescence blinking statistics of water-soluble single CdTe QDs is significantly dependent on the aqueous environment, which is interpreted in terms of passivation of the surface trap states of QDs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrospinning" title="electrospinning">electrospinning</a>, <a href="https://publications.waset.org/abstracts/search?q=CdTe%20quantum%20dots" title=" CdTe quantum dots"> CdTe quantum dots</a>, <a href="https://publications.waset.org/abstracts/search?q=Nylon-6" title=" Nylon-6"> Nylon-6</a>, <a href="https://publications.waset.org/abstracts/search?q=Nanocomposite" title=" Nanocomposite"> Nanocomposite</a> </p> <a href="https://publications.waset.org/abstracts/34595/preparation-and-characterization-of-electrospun-cdte-quantum-dots-nylon-6-nanofiber-mat" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34595.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">434</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">39</span> Mapping Network Connection of Personality Traits and Psychiatric Symptoms in Chinese Adolescents</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yichao%20Lv">Yichao Lv</a>, <a href="https://publications.waset.org/abstracts/search?q=Minmin%20Cai"> Minmin Cai</a>, <a href="https://publications.waset.org/abstracts/search?q=Yanqiang%20Tao"> Yanqiang Tao</a>, <a href="https://publications.waset.org/abstracts/search?q=Xinyuan%20Zou"> Xinyuan Zou</a>, <a href="https://publications.waset.org/abstracts/search?q=Chao%20Zhang"> Chao Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiangping%20Liu"> Xiangping Liu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: This study aims to explore the network structure of personality traits and mental health and identify key factors for effective intervention strategies. Methods: All participants (N = 6,067; 3,368 females) underwent the Eysenck Personality Scale (EPQ) to measure personality traits and the Symptom Self-rating Scale (SCL-90) to measure psychiatric symptoms. Using the mean value of the SCL-90 total score plus one standard deviation as the cutoff, 854 participants (14.08%; 528 females) were categorized as individuals exhibiting potential psychological symptoms and were included in the follow-up network analysis. The structure and bridge centrality of the network for dimensions of EPQ and SCL-90 were estimated. Results: Between the EPQ and SCL-90, psychoticism (P), extraversion (E), and neuroticism (N) showed the strongest positive correlations with somatization (Som), interpersonal sensitivity (IS), and hostility (Hos), respectively. Extraversion (E), somatization (Som), and anxiety (Anx) were identified as the most important bridge factors influencing the overall network. Conclusions: This study explored the network structure and complex connections between mental health and personality traits from a network perspective, providing potential targets for intervening in adolescent personality traits and mental health. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=EPQ" title="EPQ">EPQ</a>, <a href="https://publications.waset.org/abstracts/search?q=SCL-90" title=" SCL-90"> SCL-90</a>, <a href="https://publications.waset.org/abstracts/search?q=Chinese%20adolescents" title=" Chinese adolescents"> Chinese adolescents</a>, <a href="https://publications.waset.org/abstracts/search?q=network%20analysis" title=" network analysis"> network analysis</a> </p> <a href="https://publications.waset.org/abstracts/185208/mapping-network-connection-of-personality-traits-and-psychiatric-symptoms-in-chinese-adolescents" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/185208.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">47</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">38</span> Post-traumatic Checklist-5 (PCL-5) Psychometric Properties: Across Sectional Study Among Lebanese Population</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fadwa%20Alhalaiqa">Fadwa Alhalaiqa</a>, <a href="https://publications.waset.org/abstracts/search?q=Othman%20Alfuqaha"> Othman Alfuqaha</a>, <a href="https://publications.waset.org/abstracts/search?q=Anas%20H.%20Khalifeh"> Anas H. Khalifeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahmoud%20Alsaraireh"> Mahmoud Alsaraireh</a>, <a href="https://publications.waset.org/abstracts/search?q=Rami%20Masa%E2%80%99Deh"> Rami Masa’Deh</a>, <a href="https://publications.waset.org/abstracts/search?q=Natija%20S%20Manaa"> Natija S Manaa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Post-traumatic stress disorders (PTSD) usually occur after traumatic occurrences that exceed the range of common human experience. This study aimed to test the psychometric properties of PCL-5 checklist for the 20 PTSD symptoms from DSM-5 among Lebanese population and to identify the prevalence of PTSD. Methods: A cross sectional survey of PCL5 among 950 Lebanese using the online survey platform by Google form was conducted. Snowball recruitment was used to identify participants for the survey. STROBE guideline was used in reporting the current study. Results: Face content, construct, discriminant, and convergent validity had been accomplished of PCL-5. The reliability by Cronbach alpha, composite, and average variance extracted were set superior. We found also that more than half of the participants (55.6%) scored 33 or above, which is the cutoff score for a likely diagnosis of PTSD. Conclusion: The current study provides further support for the Arabic version PCL-5 validity and reliability among non-Western populations. This support using this tool in the screening of PTSD. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=post%20traumatic%20stress%20disorder" title="post traumatic stress disorder">post traumatic stress disorder</a>, <a href="https://publications.waset.org/abstracts/search?q=psychometric%20properties" title=" psychometric properties"> psychometric properties</a>, <a href="https://publications.waset.org/abstracts/search?q=stress" title=" stress"> stress</a>, <a href="https://publications.waset.org/abstracts/search?q=adult%20population" title=" adult population"> adult population</a> </p> <a href="https://publications.waset.org/abstracts/152434/post-traumatic-checklist-5-pcl-5-psychometric-properties-across-sectional-study-among-lebanese-population" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152434.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">100</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37</span> Non-Contact Characterization of Standard Liquids Using Waveguide at 12.4 to18 Ghz Frequency Span </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kasra%20%20Khorsand-Kazemi">Kasra Khorsand-Kazemi</a>, <a href="https://publications.waset.org/abstracts/search?q=Bianca%20%20Vizcaino"> Bianca Vizcaino</a>, <a href="https://publications.waset.org/abstracts/search?q=Mandeep%20%20Chhajer%20Jain"> Mandeep Chhajer Jain</a>, <a href="https://publications.waset.org/abstracts/search?q=Maryam%20%20Moradpour"> Maryam Moradpour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work presents an approach to characterize a non- contact microwave sensor using waveguides for different standard liquids such as ethanol, methanol and 2-propanol (Isopropyl Alcohol). Wideband waveguides operating between 12.4GHz to 18 GHz form the core of the sensing structure. Waveguides are sensitive to changes in conductivity of the sample under test (SUT), making them an ideal tool to characterize different polar liquids. As conductivity of the sample under test increase, the loss tangent of the material increase, thereby decreasing the S21 (dB) response of the waveguide. Among all the standard liquids measured, methanol exhibits the highest conductivity and 2-Propanol exhibits the lowest. The cutoff frequency measured for ethanol, 2-propanol, and methanol are 10.28 GHz, 10.32 GHz, and 10.38 GHz respectively. The measured results can be correlated with the loss tangent results of the standard liquid measured using the dielectric probe. This conclusively enables us to characterize different liquids using waveguides expanding the potential future applications in domains ranging from water quality management to bio-medical, chemistry and agriculture. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Waveguides" title="Waveguides">Waveguides</a>, <a href="https://publications.waset.org/abstracts/search?q=" title=" "> </a>, <a href="https://publications.waset.org/abstracts/search?q=Microwave%20sensors" title=" Microwave sensors"> Microwave sensors</a>, <a href="https://publications.waset.org/abstracts/search?q=" title=""></a>, <a href="https://publications.waset.org/abstracts/search?q=Standard%20liquids%20characterization" title=" Standard liquids characterization"> Standard liquids characterization</a>, <a href="https://publications.waset.org/abstracts/search?q=Non-contact%20sensing" title=" Non-contact sensing"> Non-contact sensing</a> </p> <a href="https://publications.waset.org/abstracts/121599/non-contact-characterization-of-standard-liquids-using-waveguide-at-124-to18-ghz-frequency-span" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/121599.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">140</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">36</span> A Small-Scale Study of Fire Whirls and Investigation of the Effects of Near-Ground Height on the Behavior of Fire Whirls</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Arabghahestani">M. Arabghahestani</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Darwish%20Ahmad"> A. Darwish Ahmad</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20K.%20Akafuah"> N. K. Akafuah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, small-scale experiments of fire whirl were conducted to study the spinning fire phenomenon and to gain comprehensive understandings of fire tornadoes and the factors that affect their behavior. High speed imaging was used to track the flames at both temporal and spatial scales. This allowed us to better understand the role of the near-ground height in creating a boundary layer flow profile that, in turn contributes to formation of vortices around the fire, and consequent fire whirls. Based on the results obtained from these observations, we were able to spot the differences in the fuel burning rate of the fire itself as a function of a newly defined specific non-dimensional near-ground height. Based on our observations, there is a cutoff non-dimensional height, beyond which a normal fire can be turned into a fire whirl. Additionally, the results showed that the fire burning rate decreases by moving the fire to a height higher than the ground level. These effects were justified by the interactions between vortices formed by, the back pressure and the boundary layer velocity profile, and the vortices generated by the fire itself. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=boundary%20layer%20profile" title="boundary layer profile">boundary layer profile</a>, <a href="https://publications.waset.org/abstracts/search?q=fire%20whirls" title=" fire whirls"> fire whirls</a>, <a href="https://publications.waset.org/abstracts/search?q=near-ground%20height" title=" near-ground height"> near-ground height</a>, <a href="https://publications.waset.org/abstracts/search?q=vortex%20interactions" title=" vortex interactions"> vortex interactions</a> </p> <a href="https://publications.waset.org/abstracts/107924/a-small-scale-study-of-fire-whirls-and-investigation-of-the-effects-of-near-ground-height-on-the-behavior-of-fire-whirls" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/107924.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">163</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">35</span> Molecular Modeling of 17-Picolyl and 17-Picolinylidene Androstane Derivatives with Anticancer Activity</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sanja%20Podunavac-Kuzmanovi%C4%87">Sanja Podunavac-Kuzmanović</a>, <a href="https://publications.waset.org/abstracts/search?q=Strahinja%20Kova%C4%8Devi%C4%87"> Strahinja Kovačević</a>, <a href="https://publications.waset.org/abstracts/search?q=Lidija%20Jevri%C4%87"> Lidija Jevrić</a>, <a href="https://publications.waset.org/abstracts/search?q=Evgenija%20Djurendi%C4%87"> Evgenija Djurendić</a>, <a href="https://publications.waset.org/abstracts/search?q=Jovana%20Ajdukovi%C4%87"> Jovana Ajduković</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present study, the molecular modeling of a series of 24 17-picolyl and 17-picolinylidene androstane derivatives whit significant anticancer activity was carried out. Modelling of studied compounds was performed by CS ChemBioDraw Ultra v12.0 program for drawing 2D molecular structures and CS ChemBio3D Ultra v12.0 for 3D molecular modelling. The obtained 3D structures were subjected to energy minimization using molecular mechanics force field method (MM2). The cutoff for structure optimization was set at a gradient of 0.1 kcal/Åmol. Full geometry optimization was done by the Austin Model 1 (AM1) until the root mean square (RMS) gradient reached a value smaller than 0.0001 kcal/Åmol using Molecular Orbital Package (MOPAC) program. The obtained physicochemical, lipophilicity and topological descriptors were used for analysis of molecular similarities and dissimilarities applying suitable chemometric methods (principal component analysis and cluster analysis). These results are the part of the project No. 114-451-347/2015-02, financially supported by the Provincial Secretariat for Science and Technological Development of Vojvodina and CMST COST Action CM1306. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=androstane%20derivatives" title="androstane derivatives">androstane derivatives</a>, <a href="https://publications.waset.org/abstracts/search?q=anticancer%20activity" title=" anticancer activity"> anticancer activity</a>, <a href="https://publications.waset.org/abstracts/search?q=chemometrics" title=" chemometrics"> chemometrics</a>, <a href="https://publications.waset.org/abstracts/search?q=molecular%20descriptors" title=" molecular descriptors"> molecular descriptors</a> </p> <a href="https://publications.waset.org/abstracts/38072/molecular-modeling-of-17-picolyl-and-17-picolinylidene-androstane-derivatives-with-anticancer-activity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38072.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">361</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">34</span> High School Female-Adolescents' Weight Control Practices in Hawassa Town, Ethiopia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Beruk%20Berhanu%20Desalegn">Beruk Berhanu Desalegn</a>, <a href="https://publications.waset.org/abstracts/search?q=Gelana%20Mulu"> Gelana Mulu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Adolescence, especially for females, is a period of an ongoing risk behavior that triggers development of adverse health outcomes during adulthood. This study aimed to investigate the weight control practice and its associated factors among high school female-adolescents in Hawassa town, Ethiopia. A school-based cross-sectional study was conducted on 552 female-adolescents in Hawassa town. The study was conducted between December, 2020 to January, 2021. SPSS version 26 was used to analyse the data from the pre-tested questionnaire of socio-demographic, economic, socio-cultural, and related information. Among the total female-adolescents, 38.6% [95% CI= 34.5-42.8%] took on weight control practices. The study further revealed the condition of the weight control practice to be healthy (20.5%), unhealthy(25.9%, and the rest to be both healthyand unhealthy(7.8%). The multivariate regression model, cutoff p < 0.05, disclosed that predicters like late adolescent age [AOR=1.98; 95% CI=1.33-2.95], middle wealth status [AOR=2.72; 95% CI=1.60-4.63], high wealth status [AOR=5.69; 95% CI=3.43-9.46], normal BMI [AOR=2.36; 95% CI=1.18-4.71], overweight [AOR=2.45; 95% CI=1.13-5.28], mild depression [AOR=1.72; 95% CI=1.12-2.66] and dissatisfied own mid-torso body image [AOR=2.68; 95% CI=1.52-4.73] were found to have significant association with weight control practice. Therefore, it may be benefiting to consider the findings of this study for interventions associated with female adolescents weight control practices. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=female-adolescents" title="female-adolescents">female-adolescents</a>, <a href="https://publications.waset.org/abstracts/search?q=highschool" title=" highschool"> highschool</a>, <a href="https://publications.waset.org/abstracts/search?q=weight%20control%20practice" title=" weight control practice"> weight control practice</a>, <a href="https://publications.waset.org/abstracts/search?q=Ethiopia" title=" Ethiopia"> Ethiopia</a> </p> <a href="https://publications.waset.org/abstracts/174906/high-school-female-adolescents-weight-control-practices-in-hawassa-town-ethiopia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/174906.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">71</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">33</span> Tail-Binding Effect of Kinesin-1 Auto Inhibition Using Elastic Network Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyun%20Joon%20Chang">Hyun Joon Chang</a>, <a href="https://publications.waset.org/abstracts/search?q=Jae%20In%20Kim"> Jae In Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Sungsoo%20Na"> Sungsoo Na</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Kinesin-1 (hereafter called kinesin) is a molecular motor protein that moves cargos toward the end of microtubules using the energy of adenosine triphosphate (ATP) hydrolysis. When kinesin is inactive, its tail autoinhibits the motor chain in order to prevent from reacting with the ATP by cross-linking of the tail domain to the motor domains at two positions. However, the morphological study of kinesin during autoinhibition is yet remained obscured. In this study, we report the effect of the binding site of the tail domain using the normal mode analysis of the elastic network model on kinesin in the tail-free form and tail-bind form. Considering the relationship between the connectivity of conventional network model with respect to the cutoff length and the functionality of the binding site of the tail, we revaluated the network model to observe the key role of the tail domain in its structural aspect. Contingent on the existence of the tail domain, the results suggest the morphological stability of the motor domain. Furthermore, employing the results from normal mode analysis, we have determined the strain energy of the neck linker, an essential portion of the motor domain for ATP hydrolysis. The results of the neck linker also converge to the same indication, i.e. the morphological analysis of the motor domain. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=elastic%20network%20model" title="elastic network model">elastic network model</a>, <a href="https://publications.waset.org/abstracts/search?q=Kinesin-1" title=" Kinesin-1"> Kinesin-1</a>, <a href="https://publications.waset.org/abstracts/search?q=autoinhibition" title=" autoinhibition"> autoinhibition</a> </p> <a href="https://publications.waset.org/abstracts/11825/tail-binding-effect-of-kinesin-1-auto-inhibition-using-elastic-network-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11825.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">455</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">32</span> Denoising of Motor Unit Action Potential Based on Tunable Band-Pass Filter</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khalida%20S.%20Rijab">Khalida S. Rijab</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20E.%20Safi"> Mohammed E. Safi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ayad%20A.%20%20Ibrahim"> Ayad A. Ibrahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> When electrical electrodes are mounted on the skin surface of the muscle, a signal is detected when a skeletal muscle undergoes contraction; the signal is known as surface electromyographic signal (EMG). This signal has a noise-like interference pattern resulting from the temporal and spatial summation of action potentials (AP) of all active motor units (MU) near electrode detection. By appropriate processing (Decomposition), the surface EMG signal may be used to give an estimate of motor unit action potential. In this work, a denoising technique is applied to the MUAP signals extracted from the spatial filter (IB2). A set of signals from a non-invasive two-dimensional grid of 16 electrodes from different types of subjects, muscles, and sex are recorded. These signals will acquire noise during recording and detection. A digital fourth order band- pass Butterworth filter is used for denoising, with a tuned band-pass frequency of suitable choice of cutoff frequencies is investigated, with the aim of obtaining a suitable band pass frequency. Results show an improvement of (1-3 dB) in the signal to noise ratio (SNR) have been achieved, relative to the raw spatial filter output signals for all cases that were under investigation. Furthermore, the research’s goal included also estimation and reconstruction of the mean shape of the MUAP. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=EMG" title="EMG">EMG</a>, <a href="https://publications.waset.org/abstracts/search?q=Motor%20Unit" title=" Motor Unit"> Motor Unit</a>, <a href="https://publications.waset.org/abstracts/search?q=Digital%20Filter" title=" Digital Filter"> Digital Filter</a>, <a href="https://publications.waset.org/abstracts/search?q=Denoising" title=" Denoising"> Denoising</a> </p> <a href="https://publications.waset.org/abstracts/63012/denoising-of-motor-unit-action-potential-based-on-tunable-band-pass-filter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63012.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">401</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">31</span> The Effect of the Acquisition and Reconstruction Parameters in Quality of Spect Tomographic Images with Attenuation and Scatter Correction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.%20Boutaghane">N. Boutaghane</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Z.%20Tounsi"> F. Z. Tounsi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many physical and technological factors degrade the SPECT images, both qualitatively and quantitatively. For this, it is not always put into leading technological advances to improve the performance of tomographic gamma camera in terms of detection, collimation, reconstruction and correction of tomographic images methods. We have to master firstly the choice of various acquisition and reconstruction parameters, accessible to clinical cases and using the attenuation and scatter correction methods to always optimize quality image and minimized to the maximum dose received by the patient. In this work, an evaluation of qualitative and quantitative tomographic images is performed based on the acquisition parameters (counts per projection) and reconstruction parameters (filter type, associated cutoff frequency). In addition, methods for correcting physical effects such as attenuation and scatter degrading the image quality and preventing precise quantitative of the reconstructed slices are also presented. Two approaches of attenuation and scatter correction are implemented: the attenuation correction by CHANG method with a filtered back projection reconstruction algorithm and scatter correction by the subtraction JASZCZAK method. Our results are considered as such recommandation, which permits to determine the origin of the different artifacts observed both in quality control tests and in clinical images. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=attenuation" title="attenuation">attenuation</a>, <a href="https://publications.waset.org/abstracts/search?q=scatter" title=" scatter"> scatter</a>, <a href="https://publications.waset.org/abstracts/search?q=reconstruction%20filter" title=" reconstruction filter"> reconstruction filter</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20quality" title=" image quality"> image quality</a>, <a href="https://publications.waset.org/abstracts/search?q=acquisition%20and%20reconstruction%20parameters" title=" acquisition and reconstruction parameters"> acquisition and reconstruction parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=SPECT" title=" SPECT"> SPECT</a> </p> <a href="https://publications.waset.org/abstracts/38755/the-effect-of-the-acquisition-and-reconstruction-parameters-in-quality-of-spect-tomographic-images-with-attenuation-and-scatter-correction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38755.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">453</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=cut-off%20value&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=cut-off%20value&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" 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