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Jang</title> <meta name="description" content="Search results for: Joo Hyun Jang"> <meta name="keywords" content="Joo Hyun Jang"> <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="Joo Hyun Jang"> <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> 331</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Joo Hyun Jang</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">331</span> A Different Approach to Optimize Fuzzy Membership Functions with Extended FIR Filter</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jun-Ho%20Chung">Jun-Ho Chung</a>, <a href="https://publications.waset.org/abstracts/search?q=Sung-Hyun%20Yoo"> Sung-Hyun Yoo</a>, <a href="https://publications.waset.org/abstracts/search?q=In-Hwan%20Choi"> In-Hwan Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun-Kook%20Lee"> Hyun-Kook Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Moon-Kyu%20Song"> Moon-Kyu Song</a>, <a href="https://publications.waset.org/abstracts/search?q=Choon-Ki%20Ahn"> Choon-Ki Ahn</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The extended finite impulse response (EFIR) filter is addressed to optimize membership functions (MFs) of the fuzzy model that has strong nonlinearity. MFs are important parts of the fuzzy logic system (FLS) and, thus optimizing MFs of FLS is one of approaches to improve the performance of output. We employ the EFIR as an alternative optimization option to nonlinear fuzzy model. The performance of EFIR is demonstrated on a fuzzy cruise control via a numerical example. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20logic%20system" title="fuzzy logic system">fuzzy logic system</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=membership%20function" title=" membership function"> membership function</a>, <a href="https://publications.waset.org/abstracts/search?q=extended%20FIR%20filter" title=" extended FIR filter"> extended FIR filter</a> </p> <a href="https://publications.waset.org/abstracts/42104/a-different-approach-to-optimize-fuzzy-membership-functions-with-extended-fir-filter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42104.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">723</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">330</span> Effects of Extract from Lactuca sativa on Sleep in Pentobarbital-Induced Sleep and Caffeine-Induced Sleep Disturbance in Mice</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hae%20Dun%20Kim">Hae Dun Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Joo%20Hyun%20Jang"> Joo Hyun Jang</a>, <a href="https://publications.waset.org/abstracts/search?q=Geu%20Rim%20Seo"> Geu Rim Seo</a>, <a href="https://publications.waset.org/abstracts/search?q=Kyung%20Soo%20Ra"> Kyung Soo Ra</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyung%20Joo%20Suh"> Hyung Joo Suh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lactuca sativa (lettuce) has been known for its medical property to relieve anxiety and nervous. This study was implemented to investigate sleep-promoting effects of the lettuce alcohol extract (LAE). Caffeine is widely used psychoactive substance known to induced wakefulness and insomnia to its consumers. In the present study, the sedative-hypnotic activity of the LAE was studied using the method of pentobarbital-induced sleep in the mouse model. The LAE was administrated to mice 30 min before the pentobarbital injection. The LAE prolonged the pentobarbital-induced sleep duration and decreased sleep latency. The effects of LAE were comparable to those of induced by diazepam. Another study was performed to examine whether LAE ameliorates caffeine-induced sleep disturbance in mice. Additionally, caffeine (10 mg/kg, p.o) delayed sleep onset and reduced sleep duration of mice. Conversely, LAE treatment (80 or 160 mg/kg, p.o), especially at 160 mg/kg, normalized the sleep disturbance induced by caffeine. LAE supplementation can counter the sleep disturbance induced by caffeine. These results suggest that LAE possess significant sedative-hypnotic activity, which supports the popular use of lettuce for treatment of insomnia and provide the basis for new drug discovery. Furthermore, these results demonstrate that the lettuce extract may be preferable for the treatment of insomnia. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=caffeine" title="caffeine">caffeine</a>, <a href="https://publications.waset.org/abstracts/search?q=Lactuca%20sativa" title=" Lactuca sativa"> Lactuca sativa</a>, <a href="https://publications.waset.org/abstracts/search?q=sleep%20duration" title=" sleep duration"> sleep duration</a>, <a href="https://publications.waset.org/abstracts/search?q=sleep%20latency" title=" sleep latency"> sleep latency</a> </p> <a href="https://publications.waset.org/abstracts/49766/effects-of-extract-from-lactuca-sativa-on-sleep-in-pentobarbital-induced-sleep-and-caffeine-induced-sleep-disturbance-in-mice" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49766.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">329</span> Effect of Dietary Supplementation of Allium Hookeri Root and Processed Sulfur on the Growth Performance of Guinea Pigs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nayeon">Nayeon</a>, <a href="https://publications.waset.org/abstracts/search?q=Lee"> Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Won-Young"> Won-Young</a>, <a href="https://publications.waset.org/abstracts/search?q=Cho"> Cho</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun%20Joo"> Hyun Joo</a>, <a href="https://publications.waset.org/abstracts/search?q=Jang"> Jang</a>, <a href="https://publications.waset.org/abstracts/search?q=Chi-Ho"> Chi-Ho</a>, <a href="https://publications.waset.org/abstracts/search?q=Lee"> Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study investigated the effects of the dietary supplementation of the <em>Allium hookeri </em>root, and processed sulfur, on the growth performance of guinea pigs. The guinea pigs were fed a control diet (CON), as well as the control diet including 1% freeze-dried <em>Allium hookeri </em>root (AH), or 0.1% processed sulfur (S), or including both the freeze-dried <em>Allium hookeri </em>root and the processed sulfur (AHS). The weight of perirenal adipose tissue (PAT) and the epididymal adipose tissue (EAT) in the AH were significantly lower than CON (p < 0.05). The serum cholesterols levels of the AH and the AHS were significantly lower than the S (p < 0.05). While the total saturated fatty acid content in the serum of the AH and AHS groups showed a tendency to decrease, the total monounsaturated fatty acid increased. The results of this study suggested that dietary consumption of <em>Allium hookeri</em> root may help to decrease fat accumulation, lower serum cholesterol levels, and control serum free fatty acid contents in the guinea pigs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Allium%20hookeri" title="Allium hookeri">Allium hookeri</a>, <a href="https://publications.waset.org/abstracts/search?q=dietary%20supplementation" title=" dietary supplementation"> dietary supplementation</a>, <a href="https://publications.waset.org/abstracts/search?q=growth%20performance" title=" growth performance"> growth performance</a>, <a href="https://publications.waset.org/abstracts/search?q=processed%20sulfur" title=" processed sulfur"> processed sulfur</a>, <a href="https://publications.waset.org/abstracts/search?q=Guinea%20pig" title=" Guinea pig"> Guinea pig</a> </p> <a href="https://publications.waset.org/abstracts/77113/effect-of-dietary-supplementation-of-allium-hookeri-root-and-processed-sulfur-on-the-growth-performance-of-guinea-pigs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77113.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">269</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">328</span> Adaptive Cooperative Scheme Considering the User Location</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bit-Na%20Kwon">Bit-Na Kwon</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun-Jee%20Yang"> Hyun-Jee Yang</a>, <a href="https://publications.waset.org/abstracts/search?q=Dong-Hyun%20Ha"> Dong-Hyun Ha</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyoung-Kyu%20Song"> Hyoung-Kyu Song</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, an adaptive cooperative scheme in the cell edge is proposed. The proposed scheme considers the location of a user and applies the suitable cooperative scheme. In cellular systems, the performance of communication is degraded if the user is located in the cell edge. In conventional scheme, two base stations are used in order to obtain diversity gain. However, the performance of communication is not sufficiently improved since the distance between each base station and a user is still distant. Therefore, we propose a scheme that the relays are used and the cooperative scheme is adaptively applied according to the user location. Through simulation results, it is confirmed that the proposed scheme has better performance than the conventional scheme. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adaptive%20transmission" title="adaptive transmission">adaptive transmission</a>, <a href="https://publications.waset.org/abstracts/search?q=cooperative%20communication" title=" cooperative communication"> cooperative communication</a>, <a href="https://publications.waset.org/abstracts/search?q=diversity%20gain" title=" diversity gain"> diversity gain</a>, <a href="https://publications.waset.org/abstracts/search?q=OFDM" title=" OFDM"> OFDM</a> </p> <a href="https://publications.waset.org/abstracts/32518/adaptive-cooperative-scheme-considering-the-user-location" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32518.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">572</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">327</span> High-Quality Flavor of Black Belly Pork under Lightning Corona Discharge Using Tesla Coil for High Voltage Education</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kyung-Hoon%20Jang">Kyung-Hoon Jang</a>, <a href="https://publications.waset.org/abstracts/search?q=Jae-Hyo%20Park"> Jae-Hyo Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Kwang-Yeop%20Jang"> Kwang-Yeop Jang</a>, <a href="https://publications.waset.org/abstracts/search?q=Dongjin%20Kim"> Dongjin Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Tesla coil is an electrical resonant transformer circuit designed by inventor Nikola Tesla in 1891. It is used to produce high voltage, low current and high frequency alternating current electricity. Tesla experimented with a number of different configurations consisting of two or sometimes three coupled resonant electric circuits. This paper focuses on development and high voltage education to apply a Tesla coil to cuisine for high quality flavor and taste conditioning as well as high voltage education under 50 kV corona discharge. The result revealed that the velocity of roasted black belly pork by Tesla coil is faster than that of conventional methods such as hot grill and steel plate etc. depending on applied voltage level and applied voltage time. Besides, carbohydrate and crude protein increased, whereas natrium and saccharides significantly decreased after lightning surge by Tesla coil. This idea will be useful in high voltage education and high voltage application. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=corona%20discharge" title="corona discharge">corona discharge</a>, <a href="https://publications.waset.org/abstracts/search?q=Tesla%20coil" title=" Tesla coil"> Tesla coil</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20voltage%20application" title=" high voltage application"> high voltage application</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20voltage%20education" title=" high voltage education"> high voltage education</a> </p> <a href="https://publications.waset.org/abstracts/77120/high-quality-flavor-of-black-belly-pork-under-lightning-corona-discharge-using-tesla-coil-for-high-voltage-education" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77120.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">328</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">326</span> Optimal Rotor Design of an 150kW-Class IPMSM through the 3D Voltage-Inductance Map Analysis Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eung-Seok%20Park">Eung-Seok Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Tae-Chul%20Jeong"> Tae-Chul Jeong</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun-Jong%20Park"> Hyun-Jong Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun-Woo%20Jun"> Hyun-Woo Jun</a>, <a href="https://publications.waset.org/abstracts/search?q=Dong-Woo%20Kang"> Dong-Woo Kang</a>, <a href="https://publications.waset.org/abstracts/search?q=Ju%20Lee"> Ju Lee </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This presents a methodology to determine detail design directions of an 150kW-class IPMSM (interior permanent magnet synchronous motor) and its detail design. The basic design of the stator and rotor was conducted. After dividing the designed models into the best cases and the worst cases based on rotor shape parameters, Sensitivity analysis and 3D Voltage-Inductance Map (3D EL-Map) parameters were analyzed. Then, the design direction for the final model was predicted. Based on the prediction, the final model was extracted with Trend analysis. Lastly, the final model was validated with experiments. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PMSM" title="PMSM">PMSM</a>, <a href="https://publications.waset.org/abstracts/search?q=optimal%20design" title=" optimal design"> optimal design</a>, <a href="https://publications.waset.org/abstracts/search?q=rotor%20design" title=" rotor design"> rotor design</a>, <a href="https://publications.waset.org/abstracts/search?q=voltage-inductance%20map" title=" voltage-inductance map"> voltage-inductance map</a> </p> <a href="https://publications.waset.org/abstracts/25639/optimal-rotor-design-of-an-150kw-class-ipmsm-through-the-3d-voltage-inductance-map-analysis-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25639.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">674</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">325</span> Approach to Functional Safety-Compliant Design of Electric Power Steering Systems for Commercial Vehicles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyun%20Chul%20Koag">Hyun Chul Koag</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun-Sik%20Ahn"> Hyun-Sik Ahn</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we propose a design approach for the safety mechanism of an actuator used in a commercial vehicle’s EPS system. As the number of electric/electronic system in a vehicle increases, the importance of the functional safety has been receiving much attention. EPS(Electric Power Steering) systems for commercial vehicles require large power than passenger vehicles, and hence, dual motor can be applied to get more torque. We show how to formulate the development process for the design of hardware and software of an EPS system using dual motors. A lot of safety mechanisms for the processor, sensors, and memory have been suggested, however, those for actuators have not been fully researched. It is shown by metric analyses that the target ASIL(Automotive Safety Integrated Level) is satisfied in the point of view of hardware of EPS controller. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=safety%20mechanism" title="safety mechanism">safety mechanism</a>, <a href="https://publications.waset.org/abstracts/search?q=functional%20safety" title=" functional safety"> functional safety</a>, <a href="https://publications.waset.org/abstracts/search?q=commercial%20vehicles" title=" commercial vehicles"> commercial vehicles</a>, <a href="https://publications.waset.org/abstracts/search?q=electric%20power%20steering" title=" electric power steering"> electric power steering</a> </p> <a href="https://publications.waset.org/abstracts/71842/approach-to-functional-safety-compliant-design-of-electric-power-steering-systems-for-commercial-vehicles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71842.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">393</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">324</span> Anti-Inflammatory Effect of Myristic Acid through Inhibiting NF-κB and MAPK Signaling Pathways in Lipopolysaccharide-Stimulated RAW 264.7 Macrophage Cells</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyun%20Ji%20Hyun">Hyun Ji Hyun</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyo%20Sun%20Suh"> Hyo Sun Suh</a>, <a href="https://publications.waset.org/abstracts/search?q=Min%20Kook%20Kim"> Min Kook Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Yong%20Chan%20Kwon"> Yong Chan Kwon</a>, <a href="https://publications.waset.org/abstracts/search?q=Byung-Mu%20Lee"> Byung-Mu Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Scope: This study is focused on the effect of myristic acid on LPS-induced inflammation in RAW 264.7 macrophage cells. Methods and results: For the experiment, RAW 264.7 mouse macrophage cell line was used. Results showed that treatment with myristic acid can attenuate LPS-induced inflammation. Moreover, myristic acid significantly suppressed expression of inflammatory mediators and down-regulating UVB-induced intracellular ROS generation. Furthermore, myristic acid reduced the expression of NF-κB by inhibiting degradation of IκB-α and ERK, JNK, and p38 pathways by inhibiting phosphorylation in RAW 264.7 macrophage cells. Conclusion: Overall, these data suggest that the myristic acid could reduce LPS-induced inflammation. Acknowledgment: This research was supported by the Ministry of Trade, Industry & Energy(MOTIE), Korea Institute for Advancement of Technology(KIAT) through the Encouragement Program for The Industries of Economic Cooperation Region <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anti-inflammation" title="anti-inflammation">anti-inflammation</a>, <a href="https://publications.waset.org/abstracts/search?q=myristic%20acid" title=" myristic acid"> myristic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=ROS" title=" ROS"> ROS</a>, <a href="https://publications.waset.org/abstracts/search?q=ultraviolet%20light" title=" ultraviolet light"> ultraviolet light</a> </p> <a href="https://publications.waset.org/abstracts/88889/anti-inflammatory-effect-of-myristic-acid-through-inhibiting-nf-kb-and-mapk-signaling-pathways-in-lipopolysaccharide-stimulated-raw-2647-macrophage-cells" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88889.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">205</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">323</span> Study on the Retaining Sleeve Structure for the Reduction of Eddy Current in SPMSM</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyun-Woo%20Jun">Hyun-Woo Jun</a>, <a href="https://publications.waset.org/abstracts/search?q=In-Gun%20Kim"> In-Gun Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun%20Seok%20Hong"> Hyun Seok Hong</a>, <a href="https://publications.waset.org/abstracts/search?q=Dong-Woo%20Kang"> Dong-Woo Kang</a>, <a href="https://publications.waset.org/abstracts/search?q=Ju%20Lee"> Ju Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In high-speed SPMSM design, the rotor-retaining sleeve is inserted into rotor to prevent permanent magnet’s damage. It is quite efficient way considering manufacturability, but the sleeve becomes major source of ohm loss in high-speed operation. In this paper, the high-speed motor for turbo-blower at the rating of 100kW was introduced. To improve its efficiency, the retaining sleeve’s optimal design was needed. Within the range of satisfies the mechanical safety, sleeve’s some design variables have been changed. The effect of changing design variables of the sleeve was studied. This paper presents the optimized sleeve’s advantages in electrical efficiency from the result of electromagnetic FEA (finite element analysis) software. Finally, it suggests the optimal sleeve design to reduce eddy current loss, which is related to motor shape. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=SPMSM" title="SPMSM">SPMSM</a>, <a href="https://publications.waset.org/abstracts/search?q=sleeve" title=" sleeve"> sleeve</a>, <a href="https://publications.waset.org/abstracts/search?q=eddy%20current" title=" eddy current"> eddy current</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20efficiency" title=" high efficiency"> high efficiency</a> </p> <a href="https://publications.waset.org/abstracts/41355/study-on-the-retaining-sleeve-structure-for-the-reduction-of-eddy-current-in-spmsm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41355.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">424</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">322</span> A Study on Automotive Attack Database and Data Flow Diagram for Concretization of HEAVENS: A Car Security Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Se-Han%20Lee">Se-Han Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Kwang-Woo%20Go"> Kwang-Woo Go</a>, <a href="https://publications.waset.org/abstracts/search?q=Gwang-Hyun%20Ahn"> Gwang-Hyun Ahn</a>, <a href="https://publications.waset.org/abstracts/search?q=Hee-Sung%20Park"> Hee-Sung Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Cheol-Kyu%20Han"> Cheol-Kyu Han</a>, <a href="https://publications.waset.org/abstracts/search?q=Jun-Bo%20Shim"> Jun-Bo Shim</a>, <a href="https://publications.waset.org/abstracts/search?q=Geun-Chul%20Kang"> Geun-Chul Kang</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun-Jung%20Lee"> Hyun-Jung Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent years, with the advent of smart cars and the expansion of the market, the announcement of 'Adventures in Automotive Networks and Control Units' at the DEFCON21 conference in 2013 revealed that cars are not safe from hacking. As a result, the HEAVENS model considering not only the functional safety of the vehicle but also the security has been suggested. However, the HEAVENS model only presents a simple process, and there are no detailed procedures and activities for each process, making it difficult to apply it to the actual vehicle security vulnerability check. In this paper, we propose an automated attack database that systematically summarizes attack vectors, attack types, and vulnerable vehicle models to prepare for various car hacking attacks, and data flow diagrams that can detect various vulnerabilities and suggest a way to materialize the HEAVENS model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=automotive%20security" title="automotive security">automotive security</a>, <a href="https://publications.waset.org/abstracts/search?q=HEAVENS" title=" HEAVENS"> HEAVENS</a>, <a href="https://publications.waset.org/abstracts/search?q=car%20hacking" title=" car hacking"> car hacking</a>, <a href="https://publications.waset.org/abstracts/search?q=security%20model" title=" security model"> security model</a>, <a href="https://publications.waset.org/abstracts/search?q=information%20security" title=" information security"> information security</a> </p> <a href="https://publications.waset.org/abstracts/84442/a-study-on-automotive-attack-database-and-data-flow-diagram-for-concretization-of-heavens-a-car-security-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/84442.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">362</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">321</span> Influence of Sintering Temperatures in Er³⁺/Yb³⁺/Tm³⁺ Tri-Doped Y₂O₃ Nanophosphors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyeon%20Mi%20Noh">Hyeon Mi Noh</a>, <a href="https://publications.waset.org/abstracts/search?q=Ju%20Hyun%20Oh"> Ju Hyun Oh</a>, <a href="https://publications.waset.org/abstracts/search?q=Jung%20Hyun%20Jeong"> Jung Hyun Jeong</a>, <a href="https://publications.waset.org/abstracts/search?q=Haeyoung%20Choi"> Haeyoung Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jung%20Hwan%20Kim"> Jung Hwan Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Er³⁺/Yb³⁺/Tm³⁺ tri-doped Y₂O₃ nanophosphors were synthesized by solvothermal method and its temperature dependence of the white upconversion emission has been studied by using 975 nm laser diode. The upconversion emission spectra in 1 mol% Er³⁺/5 mol% Yb³⁺/xTm³ tri-doped Y₂O₃ nanophosphors sintered at 1000 °C with x from 0 to 0.5 mol%. The blue emission intensity increase with Tm³⁺ concentration from 0 to 0.5 mol%, it is due to the 2F7/2→2F5/2 transition of Yb³⁺ around 10,000 cm-1 could easily reach the Tm³⁺ sates. The white light is composed with the blue (1G4→3H6 of Tm³⁺), green (2H11/2, 4S3/2→4I15/2 of Er³⁺), and red (4F9/2→4I15/2 of Er³⁺) upconversion radiations. The Y₂O₃: Er³⁺/Yb³⁺/Tm³⁺ nanophosphors show from white to green upconversion emission at power of 600 mW/cm² as sintering temperature increased. The calculated Commission Internationale de l’Eclairage (CIE) coordinates can be located in the white area with various sintering temperatures, in sintered at 1000 °C, and their color coordinates are very close to the standard white-light emission (0.33, 0.33). Their upconversion processes were explained by measuring the upconversion luminescence spectra and pump power dependence and energy level diagram. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=white%20upconversion%20emission" title="white upconversion emission">white upconversion emission</a>, <a href="https://publications.waset.org/abstracts/search?q=nanophosphors" title=" nanophosphors"> nanophosphors</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20transfer" title=" energy transfer"> energy transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=solvothermal%20method" title=" solvothermal method"> solvothermal method</a> </p> <a href="https://publications.waset.org/abstracts/75850/influence-of-sintering-temperatures-in-er3yb3tm3-tri-doped-y2o3-nanophosphors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75850.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">337</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">320</span> Code Evaluation on Web-Shear Capacity of Presstressed Hollow-Core Slabs </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Min-Kook%20Park">Min-Kook Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Deuck%20Hang%20Lee"> Deuck Hang Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun%20Mo%20Yang"> Hyun Mo Yang</a>, <a href="https://publications.waset.org/abstracts/search?q=Jae%20Hyun%20Kim"> Jae Hyun Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Kang%20Su%20Kim"> Kang Su Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Prestressed hollow-core slabs (HCS) are structurally optimized precast units with light-weight hollowed-sections and very economical due to the mass production by a unique production method. They have been thus widely used in the precast concrete constructions in many countries all around the world. It is, however, difficult to provide shear reinforcement in HCS units produced by the extrusion method, and thus all the shear forces should be resisted solely by concrete webs in the HCS units. This means that, for the HCS units, it is very important to estimate the contribution of web concrete to the shear resistance accurately. In design codes, however, the shear strengths for HCS units are estimated by the same equations that are used for typical prestressed concrete members, which were determined from the calibrations to experimental results of conventional prestressed concrete members other than HCS units. In this study, therefore, shear test results of HCS members with a wide range of influential variables were collected, and the shear strength equations in design codes were thoroughly examined by comparing to the experimental results in the shear database of HCS members. Acknowledgement: This research was supported by Basic Science Research Program through the National Research Foundation of Korea(NRF) funded by the Ministry of Science, ICT & Future Planning(NRF-2016R1A2B2010277). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hollow-core" title="hollow-core">hollow-core</a>, <a href="https://publications.waset.org/abstracts/search?q=web-shear" title=" web-shear"> web-shear</a>, <a href="https://publications.waset.org/abstracts/search?q=precast%20concrete" title=" precast concrete"> precast concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=prestress" title=" prestress"> prestress</a>, <a href="https://publications.waset.org/abstracts/search?q=capacity" title=" capacity"> capacity</a> </p> <a href="https://publications.waset.org/abstracts/75859/code-evaluation-on-web-shear-capacity-of-presstressed-hollow-core-slabs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75859.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">506</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">319</span> A Study on the Effect of Rib Structure in Spoke-Type PMSM</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyun-Soo%20Seol">Hyun-Soo Seol</a>, <a href="https://publications.waset.org/abstracts/search?q=In-Gun%20Kim"> In-Gun Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun%20Seok%20Hong"> Hyun Seok Hong</a>, <a href="https://publications.waset.org/abstracts/search?q=Dong-Woo%20Kang"> Dong-Woo Kang</a>, <a href="https://publications.waset.org/abstracts/search?q=Ju%20Lee"> Ju Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Rotor of Spoke-Type PMSM is divided into permanent magnet and rotor core. Moreover, rotor core is composed of pole-piece, Bridge and rib. Piece between the permanent magnet N and S poles is pole-piece. Bridge and rib hold pole-piece. In the case of pole-piece and bridge, it is essential structure of Spoke-Type PMSM. However, Rib can be selected by the designer depending on the operating conditions and constraints. If rib is present in the rotor, rib which acts in the leak path generates a leakage flux. Although the leakage flux reduces the torque in low speed, it expands speed range in high speed. So, there is a relationship of trade off. Viewed from the standpoint of permanent magnet demagnetization, since the magnetic flux by the stator winding leaks to the rib, it is an advantage. In addition, rib affects the safety factor of the rotor. For application required high speed operation, since the securing the safety factor of the rotor is important, rib structure is advantageous. On the other hand, in the case of the application that does not require high speed operation, it is desirable to increase the output power by designing without rib. In this paper, Effects on rib structure is analyzed in detail and this paper provides designer with information about rotor design of spoke-type PMSM according to rib structure. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spoke-Type%20PMSM" title="spoke-Type PMSM">spoke-Type PMSM</a>, <a href="https://publications.waset.org/abstracts/search?q=rotor%20shape" title=" rotor shape"> rotor shape</a>, <a href="https://publications.waset.org/abstracts/search?q=rib" title=" rib"> rib</a>, <a href="https://publications.waset.org/abstracts/search?q=operation%20range" title=" operation range"> operation range</a> </p> <a href="https://publications.waset.org/abstracts/41388/a-study-on-the-effect-of-rib-structure-in-spoke-type-pmsm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41388.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">429</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">318</span> Development of Coastal Inundation–Inland and River Flow Interface Module Based on 2D Hydrodynamic Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eun-Taek%20Sin">Eun-Taek Sin</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun-Ju%20Jang"> Hyun-Ju Jang</a>, <a href="https://publications.waset.org/abstracts/search?q=Chang%20Geun%20Song"> Chang Geun Song</a>, <a href="https://publications.waset.org/abstracts/search?q=Yong-Sik%20Han"> Yong-Sik Han</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to the climate change, the coastal urban area repeatedly suffers from the loss of property and life by flooding. There are three main causes of inland submergence. First, when heavy rain with high intensity occurs, the water quantity in inland cannot be drained into rivers by increase in impervious surface of the land development and defect of the pump, storm sewer. Second, river inundation occurs then water surface level surpasses the top of levee. Finally, Coastal inundation occurs due to rising sea water. However, previous studies ignored the complex mechanism of flooding, and showed discrepancy and inadequacy due to linear summation of each analysis result. In this study, inland flooding and river inundation were analyzed together by HDM-2D model. Petrov-Galerkin stabilizing method and flux-blocking algorithm were applied to simulate the inland flooding. In addition, sink/source terms with exponentially growth rate attribute were added to the shallow water equations to include the inland flooding analysis module. The applications of developed model gave satisfactory results, and provided accurate prediction in comprehensive flooding analysis. The applications of developed model gave satisfactory results, and provided accurate prediction in comprehensive flooding analysis. To consider the coastal surge, another module was developed by adding seawater to the existing Inland Flooding-River Inundation binding module for comprehensive flooding analysis. Based on the combined modules, the Coastal Inundation – Inland & River Flow Interface was simulated by inputting the flow rate and depth data in artificial flume. Accordingly, it was able to analyze the flood patterns of coastal cities over time. This study is expected to help identify the complex causes of flooding in coastal areas where complex flooding occurs, and assist in analyzing damage to coastal cities. Acknowledgements—This research was supported by a grant ‘Development of the Evaluation Technology for Complex Causes of Inundation Vulnerability and the Response Plans in Coastal Urban Areas for Adaptation to Climate Change’ [MPSS-NH-2015-77] from the Natural Hazard Mitigation Research Group, Ministry of Public Safety and Security of Korea. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flooding%20analysis" title="flooding analysis">flooding analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=river%20inundation" title=" river inundation"> river inundation</a>, <a href="https://publications.waset.org/abstracts/search?q=inland%20flooding" title=" inland flooding"> inland flooding</a>, <a href="https://publications.waset.org/abstracts/search?q=2D%20hydrodynamic%20model" title=" 2D hydrodynamic model"> 2D hydrodynamic model</a> </p> <a href="https://publications.waset.org/abstracts/77116/development-of-coastal-inundation-inland-and-river-flow-interface-module-based-on-2d-hydrodynamic-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77116.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">362</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">317</span> Evaluation of Developmental Toxicity and Teratogenicity of Perfluoroalkyl Compounds Using FETAX</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyun-Kyung%20Lee">Hyun-Kyung Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Jehyung%20Oh"> Jehyung Oh</a>, <a href="https://publications.waset.org/abstracts/search?q=Young%20Eun%20Jeong"> Young Eun Jeong</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun-Shik%20Lee"> Hyun-Shik Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Perfluoroalkyl compounds (PFCs) are environmental toxicants that persistently accumulate in the human blood. Their widespread detection and accumulation in the environment raise concerns about whether these chemicals might be developmental toxicants and teratogens in the ecosystem. We evaluated and compared the toxicity of PFCs of containing various numbers of carbon atoms (C8-11 carbons) on vertebrate embryogenesis. We assessed the developmental toxicity and teratogenicity of various PFCs. The toxic effects on Xenopus embryos were evaluated using different methods. We measured teratogenic indices (TIs) and investigated the mechanisms underlying developmental toxicity and teratogenicity by measuring the expression of organ-specific biomarkers such as xPTB (liver), Nkx2.5 (heart), and Cyl18 (intestine). All PFCs that we tested were found to be developmental toxicants and teratogens. Their toxic effects were strengthened with increasing length of the fluorinated carbon chain. Furthermore, we produced evidence showing that perfluorodecanoic acid (PFDA) and perfluoroundecanoic acid (PFuDA) are more potent developmental toxicants and teratogens in an animal model compared to the other PFCs we evaluated [perfluorooctanoic acid (PFOA) and perfluorononanoic acid (PFNA)]. In particular, severe defects resulting from PFDA and PFuDA exposure were observed in the liver and heart, respectively, using the whole mount in situ hybridization, real-time PCR, pathologic analysis of the heart, and dissection of the liver. Our studies suggest that most PFCs are developmental toxicants and teratogens, however, compounds that have higher numbers of carbons (i.e., PFDA and PFuDA) exert more potent effects. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PFC" title="PFC">PFC</a>, <a href="https://publications.waset.org/abstracts/search?q=xenopus" title=" xenopus"> xenopus</a>, <a href="https://publications.waset.org/abstracts/search?q=fetax" title=" fetax"> fetax</a>, <a href="https://publications.waset.org/abstracts/search?q=development" title=" development"> development</a> </p> <a href="https://publications.waset.org/abstracts/46966/evaluation-of-developmental-toxicity-and-teratogenicity-of-perfluoroalkyl-compounds-using-fetax" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46966.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">352</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">316</span> Studies on the Spontaneous Reductive Decomposition Behavior of Permanganate in the Water</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyun%20Kyu%20Lee">Hyun Kyu Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Won%20Zin%20Oh"> Won Zin Oh</a>, <a href="https://publications.waset.org/abstracts/search?q=June%20Hyun%20Kim"> June Hyun Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Jin%20Hee%20Kim"> Jin Hee Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Sang%20June%20Choi"> Sang June Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hak%20Soo%20Kim"> Hak Soo Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The oxidative dissolution of chromium oxide by manganese oxides including permanganate have been widely studied not only for the chemical decontamination of nuclear power plant, but also for the environmental control of the toxic chromate caused by naturally occurring manganese dioxide. However, little attention has been made for the spontaneous reductive decomposition of permanganate in the water, which is a competing reaction with the oxidation of the chromium oxide by permanganate. The objective of this study is to investigate the spontaneous reductive decomposition behavior of permanganate in the water, depending on the variation of acidity, temperature and concentration. Results of the experiments showed that the permanganate reductive decomposition product is manganese dioxide, and this reaction accompanies with the same molar amount of hydrogen ion consumption. Therefore, at the neutral condition (ex. potassium permanganate solution without acidic chemicals), the permanganate do not reduce by itself at any condition of temperature, concentration within the experimental range. From the results, we confirmed that the oxidation reaction for the permanganate reduction is the water oxidation that is accompanying the oxygen evolution. The experimental results on the reductive decomposition behavior of permanganate in the water also showed that the degree and rate of permanganate reduction increases with the temperature, acidity and concentration. The spontaneous decomposition of the permanganates obtained in the studies would become a good reference to select the operational condition, such as temperature, acidity and concentration, for the chemical decontamination of nuclear power plants. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=permanganate%20reduction" title="permanganate reduction">permanganate reduction</a>, <a href="https://publications.waset.org/abstracts/search?q=spontaneous%20decomposition" title=" spontaneous decomposition"> spontaneous decomposition</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20oxidation" title=" water oxidation"> water oxidation</a>, <a href="https://publications.waset.org/abstracts/search?q=acidity" title=" acidity"> acidity</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature" title=" temperature"> temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=permanganate%20concentration" title=" permanganate concentration"> permanganate concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20decontamination" title=" chemical decontamination"> chemical decontamination</a>, <a href="https://publications.waset.org/abstracts/search?q=nuclear%20power%20plant" title=" nuclear power plant"> nuclear power plant</a> </p> <a href="https://publications.waset.org/abstracts/53686/studies-on-the-spontaneous-reductive-decomposition-behavior-of-permanganate-in-the-water" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53686.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">341</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">315</span> Determination of in vitro Antioxidative Activity of Aster yomena (Kitam.) Honda</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyun%20Young%20Kim">Hyun Young Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Min%20Jung%20Kim"> Min Jung Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Ji%20Hyun%20Kim"> Ji Hyun Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Sanghyun%20Lee"> Sanghyun Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Eun%20Ju%20Cho"> Eun Ju Cho </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Oxidative stress that results from overproduction of free radicals can lead to pathogenesis of human diseases including cancer, neurodegenerative diseases, and cardiovascular disease. Aster yomena (Kitam.) Honda (A. yomena) belonging to Compositae family is a perennial plant, and it has anti-inflammatory, anti-asthmatic and anti-obesity effects. In this study, we investigated the antioxidative effect of A. yomena by measuring 2, 2-diphenyl-1-picrylhydrazyl (DPPH), hydroxyl radical (˙OH) and superoxide radical (O₂⁻) scavenging activities in vitro. A. yomena was extracted with ethanol and then partitioned with n-hexane, methylene chloride (CH₂Cl₂), ethyl acetate (EtOAc) and n-butanol (n-BuOH). In DPPH radical scavenging assay, the concentration of A. yomena from 10 to 100μg/mL dose-dependently raised the inhibition of DPPH oxidation. Especially, EtOAc fraction of A. yomena showed the highest DPPH radical scavenging activity among other fractions. The ˙OH radical scavenging activities of the extract and four fractions of A. yomena were increased by over 80% at a concentration of 50μg/mL. Especially, the IC50 value of EtOAc fraction was 0.03 μg/mL that is the lowest value compared with the values of other fractions. In addition, we found that the EtOAc fraction of A. yomena was showed to be better at O₂⁻ radical scavenging than other fractions. Taken together these results, we suggested that A. yomena, especially EtOAc fraction, can be used as a natural antioxidant against free radicals. Acknowledgements: This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (NRF-2016R1D1A1B03931593). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aster%20yomena%20%28Kitam.%29%20Honda%20%28A.%20yomena%29" title="Aster yomena (Kitam.) Honda (A. yomena)">Aster yomena (Kitam.) Honda (A. yomena)</a>, <a href="https://publications.waset.org/abstracts/search?q=free%20radicals" title=" free radicals"> free radicals</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant" title=" antioxidant"> antioxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=EtOAc%20fraction" title=" EtOAc fraction"> EtOAc fraction</a> </p> <a href="https://publications.waset.org/abstracts/85924/determination-of-in-vitro-antioxidative-activity-of-aster-yomena-kitam-honda" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85924.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">294</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">314</span> A Study on the Effects of Urban Density, Sociodemographic Vulnerability, and Medical Service on the Impact of COVID-19</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jang-hyun%20Oh">Jang-hyun Oh</a>, <a href="https://publications.waset.org/abstracts/search?q=Kyoung-ho%20Choi"> Kyoung-ho Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jea-sun%20Lee"> Jea-sun Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The outbreak of the COVID-19 pandemic brought reconsiderations and doubts about urban density as compact cities became epidemic hot spots. Density, though, provides an upside in that medical services required to protect citizens against the spread of disease are concentrated within compact cities, which helps reduce the mortality rate. Sociodemographic characteristics are also a crucial factor in determining the vulnerability of the population, and the purpose of this study is to empirically discover how these three urban factors affect the severity of the epidemic impacts. The study aimed to investigate the influential relationships between urban factors and epidemic impacts and provide answers to whether superb medical service in compact cities can scale down the impacts of COVID-19. SEM (Structural Equation Modeling) was applied as a suitable research method for verifying interrelationships between factors based on theoretical grounds. The study accounted for 144 municipalities in South Korea during periods from the first emergence of COVID-19 to December 31st, 2022. The study collected data related to infection and mortality cases from each municipality, and it holds significance as primary research that enlightens the aspects of epidemic impact concerning urban settings and investigates for the first time the mediated effects of medical service. The result of the evaluation shows that compact cities are most likely to have lower sociodemographic vulnerability and better quality of medical service, while cities with low density contain a higher portion of vulnerable populations and poorer medical services. However, the quality of medical service had no significant influence in reducing neither the infection rate nor the mortality rate. Instead, density acted as the major influencing factor in the infection rate, while sociodemographic vulnerability was the major determinant of the mortality rate. Thus, the findings strongly paraphrase that compact cities, although with high infection rates, tend to have lower mortality rates due to less vulnerability in sociodemographics, Whereas death was more frequent in less dense cities due to higher portions of vulnerable populations such as the elderly and low-income classes. Findings suggest an important lesson for post-pandemic urban planning-intrinsic characteristics of urban settings, such as density and population, must be taken into account to effectively counteract future epidemics and minimize the severity of their impacts. Moreover, the study is expected to contribute as a primary reference material for follow-up studies that further investigate related subjects, including urban medical services during the pandemic. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=urban%20planning" title="urban planning">urban planning</a>, <a href="https://publications.waset.org/abstracts/search?q=sociodemographic%20vulnerability" title=" sociodemographic vulnerability"> sociodemographic vulnerability</a>, <a href="https://publications.waset.org/abstracts/search?q=medical%20service" title=" medical service"> medical service</a>, <a href="https://publications.waset.org/abstracts/search?q=COVID-19" title=" COVID-19"> COVID-19</a>, <a href="https://publications.waset.org/abstracts/search?q=pandemic" title=" pandemic"> pandemic</a> </p> <a href="https://publications.waset.org/abstracts/176514/a-study-on-the-effects-of-urban-density-sociodemographic-vulnerability-and-medical-service-on-the-impact-of-covid-19" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/176514.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">60</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">313</span> Periareolar Zigzag Incision in the Conservative Surgical Treatment of Breast Cancer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Beom-Seok%20Ko">Beom-Seok Ko</a>, <a href="https://publications.waset.org/abstracts/search?q=Yoo-Seok%20Kim"> Yoo-Seok Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Woo-Sung%20Lim"> Woo-Sung Lim</a>, <a href="https://publications.waset.org/abstracts/search?q=Ku-Sang%20Kim"> Ku-Sang Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun-Ah%20Kim"> Hyun-Ah Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Jin-Sun%20Lee"> Jin-Sun Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=An-Bok%20Lee"> An-Bok Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Jin-Gu%20Bong"> Jin-Gu Bong</a>, <a href="https://publications.waset.org/abstracts/search?q=Tae-Hyun%20Kim"> Tae-Hyun Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Sei-Hyun%20Ahn"> Sei-Hyun Ahn</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Breast conserving surgery (BCS) followed by radiation therapy is today standard therapy for early breast cancer. It is safe therapeutic procedure in early breast cancers, because it provides the same level of overall survival as mastectomy. There are a number of different types of incisions used to BCS. Avoiding scars on the breast is women’s desire. Numerous minimal approaches have evolved due to this concern. Periareolar incision is often used when the small tumor relatively close to the nipple. But periareolar incision has a disadvantages include limited exposure of the surgical field. In plastic surgery, various methods such as zigzag incisions have been recommended to achieve satisfactory esthetic results. Periareolar zigzag incision has the advantage of not only good surgical field but also contributed to better surgical scars. The purpose of this study was to evaluate the oncological safety of procedures by studying the status of the surgical margins of the excised tumor specimen and reduces the need for further surgery. Methods: Between January 2016 and September 2016, 148 women with breast cancer underwent BCS or mastectomy by the same surgeon in ASAN medical center. Patients with exclusion criteria were excluded from this study if they had a bilateral breast cancer or underwent resection of the other tumors or taken axillary dissection or performed other incision methods. Periareolar zigzag incision was performed and excision margins of the specimen were identified frozen sections and paraffin-embedded or permanent sections in all patients in this study. We retrospectively analyzed tumor characteristics, the operative time, size of specimen, the distance from the tumor to nipple. Results: A total of 148 patients were reviewed, 72 included in the final analysis, 76 excluded. The mean age of the patients was 52.6 (range 25-19 years), median tumor size was 1.6 cm (range, 0.2-8.8), median tumor distance from the nipple was 4.0 cm (range, 1.0-9.0), median excised specimen sized was 5.1 cm (range, 2.8-15.0), median operation time was 70.0 minute (range, 39-138). All patients were discharged with no sign of infection or skin necrosis. Free resection margin was confirmed by frozen biopsy and permanent biopsy in all samples. There were no patients underwent reoperation. Conclusions: We suggest that periareolar zigzag incision can provide a good surgical field to remove a relatively large tumor and may provide cosmetically good outcomes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=periareolar%20zigzag%20incision" title="periareolar zigzag incision">periareolar zigzag incision</a>, <a href="https://publications.waset.org/abstracts/search?q=breast%20conserving%20surgery" title=" breast conserving surgery"> breast conserving surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=breast%20cancer" title=" breast cancer"> breast cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=resection%20margin" title=" resection margin"> resection margin</a> </p> <a href="https://publications.waset.org/abstracts/58468/periareolar-zigzag-incision-in-the-conservative-surgical-treatment-of-breast-cancer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58468.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">230</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">312</span> Utilizing the Analytic Hierarchy Process in Improving Performances of Blind Judo</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyun%20Chul%20Cho">Hyun Chul Cho</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyunkyoung%20Oh"> Hyunkyoung Oh</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun%20Yoon"> Hyun Yoon</a>, <a href="https://publications.waset.org/abstracts/search?q=Jooyeon%20Jin"> Jooyeon Jin</a>, <a href="https://publications.waset.org/abstracts/search?q=Jae%20Won%20Lee"> Jae Won Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Identifying, structuring, and racking the most important factors related to improving athletes’ performances could pave the way for improve training system. The purpose of this study was to identify the relative importance factors to improve performance of the of judo athletes with visual impairments, including blindness by using the Analytic Hierarchy Process (AHP). After reviewing the literature, the relative importance of factors affecting performance of the blind judo was selected. A group of expert reviewed the first draft of the questionnaires, and then finally selected performance factors were classified into the major categories of techniques, physical fitness, and psychological categories. Later, a pre-selected experts group was asked to review the final version of questionnaire and confirm the priories of performance factors. The order of priority was determined by performing pairwise comparisons using Expert Choice 2000. Results indicated that “grappling” (.303) and “throwing” (.234) were the most important lower hierarchy factors for blind judo skills. In addition, the most important physical factors affecting performance were “muscular strength and endurance” (.238). Further, among other psychological factors “competitive anxiety” (.393) was important factor that affects performance. It is important to offer psychological skills training to reduce anxiety of judo athletes with visual impairments and blindness, so they can compete in their optimal states. These findings offer insights into what should be considered when determining factors to improve performance of judo athletes with visual impairments and blindness. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analytic%20hierarchy%20process" title="analytic hierarchy process">analytic hierarchy process</a>, <a href="https://publications.waset.org/abstracts/search?q=blind%20athlete" title=" blind athlete"> blind athlete</a>, <a href="https://publications.waset.org/abstracts/search?q=judo" title=" judo"> judo</a>, <a href="https://publications.waset.org/abstracts/search?q=sport%20performance" title=" sport performance"> sport performance</a> </p> <a href="https://publications.waset.org/abstracts/92334/utilizing-the-analytic-hierarchy-process-in-improving-performances-of-blind-judo" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92334.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">217</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">311</span> Resistance of Mycobacterium tuberculosis to Daptomycin</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ji-Chan%20Jang">Ji-Chan Jang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tuberculosis is still major health problem because there is an increase of multidrug-resistant and extensively drug-resistant forms of the disease. Therefore, the most urgent clinical need is to discover potent agents and develop novel drug combination capable of reducing the duration of MDR and XDR tuberculosis therapy. Three reference strains H37Rv, CDC1551, W-Beijing GC1237 and six clinical isolates of MDRTB were tested to daptomycin in the range of 0.013 to 256 mg/L. Daptomycin is resistant to all tested M. tuberculosis strains not only laboratory strains but also clinical MDR strains that were isolated at different source. Daptomycin will not be an antibiotic of choice for treating infection of Gram positive atypical slowly growing M. tuberculosis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tuberculosis" title="tuberculosis">tuberculosis</a>, <a href="https://publications.waset.org/abstracts/search?q=daptomycin" title=" daptomycin"> daptomycin</a>, <a href="https://publications.waset.org/abstracts/search?q=resistance" title=" resistance"> resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=Mycobacterium%20tuberculosis" title=" Mycobacterium tuberculosis"> Mycobacterium tuberculosis</a> </p> <a href="https://publications.waset.org/abstracts/50446/resistance-of-mycobacterium-tuberculosis-to-daptomycin" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50446.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">385</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">310</span> Acanthopanax koreanum and Major Ingredient, Impressic Acid, Possess Matrix Metalloproteinase-13 Down-Regulating Capacity and Protect Cartilage Destruction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyun%20Lim">Hyun Lim</a>, <a href="https://publications.waset.org/abstracts/search?q=Dong%20Sook%20Min"> Dong Sook Min</a>, <a href="https://publications.waset.org/abstracts/search?q=Han%20Eul%20Yun"> Han Eul Yun</a>, <a href="https://publications.waset.org/abstracts/search?q=Kil%20Tae%20Kim"> Kil Tae Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Ya%20Nan%20Sun"> Ya Nan Sun</a>, <a href="https://publications.waset.org/abstracts/search?q=Young%20Ho%20Kim"> Young Ho Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun%20Pyo%20Kim"> Hyun Pyo Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Matrix metalloproteinase (MMP)-13 has an important role for degrading cartilage materials under inflammatory conditions such as arthritis. Since the 70% ethanol extract of Acanthopanax koreanum inhibited MMP-13 expression in IL-1β-treated human chondrocyte cell line, SW1353, two major constituents including acanthoic acid and impressic acid were initially isolated from the same plant materials and their MMP-13 down-regulating capacity was examined. In IL-1β-treated SW1353 cells, acanthoic acid and impressic acid significantly and concentration-dependently inhibited MMP-13 expression at 10 – 100 μM and 0.5 – 10 μM, respectively. The potent one, impressic acid, was found to inhibit MMP-13 expression by blocking the phosphorylation of signal transducer and activator of transcription-1/-2 (STAT-1/-2) and activation of c-Jun and c-Fos among cellular signaling pathway involved, but did not affect the activation of mitogen-activated protein kinases (MAPKs) and nuclear transcription factor-κB (NF-κB). Further, impressic acid was also found to inhibit the expression of MMP-13 mRNA (47.7% inhibition at 10 μM), the glycosaminoglycan release (42.2% reduction at 10 μM) and proteoglycan loss in IL-1-treated rabbit cartilage explants culture. For a further study, 21 impressic acid derivatives were isolated from the same plant materials and their suppressive activities against MMP-13 expression were examined. Among the derivatives, 3α-hydroxy-lup-20(29)-en-23-oxo,28-oic acid, (20R)-3α-hydroxy-29-dimethoxylupan-23,28-dioic acid, acankoreoside F and acantrifoside A clearly down-regulated MMP-13 expression, but impressic acid being most potent. All these results suggest that impressic acid, 3α-hydroxy-lup-20(29)-en-23-oxo,28-oic acid, (20R)-3α-hydroxy-29-dimethoxylupan-23,28-dioic acid, acankoreoside F, acantrifoside A and A. koreanum may have a potential for therapeutic agents to prevent cartilage degradation possibly by inhibiting matrix protein degradation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acanthoic%20acid" title="acanthoic acid">acanthoic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=Acanthopanax%20koreanum" title=" Acanthopanax koreanum"> Acanthopanax koreanum</a>, <a href="https://publications.waset.org/abstracts/search?q=cartilage" title=" cartilage"> cartilage</a>, <a href="https://publications.waset.org/abstracts/search?q=impressic%20acid" title=" impressic acid"> impressic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=matrix%20metalloproteinase" title=" matrix metalloproteinase"> matrix metalloproteinase</a> </p> <a href="https://publications.waset.org/abstracts/57571/acanthopanax-koreanum-and-major-ingredient-impressic-acid-possess-matrix-metalloproteinase-13-down-regulating-capacity-and-protect-cartilage-destruction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57571.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">309</span> Performance Evaluation of the HE4 as a Serum Tumor Marker for Ovarian Carcinoma</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyun-jin%20Kim">Hyun-jin Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Gumgyung%20Gu"> Gumgyung Gu</a>, <a href="https://publications.waset.org/abstracts/search?q=Dae-Hyun%20Ko"> Dae-Hyun Ko</a>, <a href="https://publications.waset.org/abstracts/search?q=Woochang%20Lee"> Woochang Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Sail%20Chun"> Sail Chun</a>, <a href="https://publications.waset.org/abstracts/search?q=Won-Ki%20Min"> Won-Ki Min</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Ovarian carcinoma is the fourth most common cause of cancer-related death in women worldwide. HE4, a novel marker for ovarian cancer could be used for monitoring recurrence or progression of disease in patients with invasive epithelial ovarian carcinoma. It is further intended to be used in conjunction with CA 125 to estimate the risk of epithelial ovarian cancer in women presenting with an adnexal mass. In this study, we aim to evaluate the analytical performance and clinical utility of HE4 assay using Architect i 2000SR(Abbott Diagnostics, USA). Methods: The precision was evaluated according to Clinical and Laboratory Standards Institute(CLSI) EP5 guideline. Three levels of control materials were analyzed twice a day in duplicate manner over 20 days. We calculated within run and total coefficient of variation (CV) at each level of control materials. The linearity was evaluated based on CLSI EP6 guideline. Five levels of calibrator were prepared by mixing high and low level of calibrators. For 43 women with adnexal masses, HE4 and CA 125 were measured and Risk of ovarian malignancy (ROMA) scores were calculated. The patients’ medical records were reviewed to determine the clinical utility of HE4 and ROMA score. Results: In a precision study, the within-run and total CV were 2.0 % and 2.3% for low level of control material, 1.9% and 2.4% for medium level and 0.5 % and 1.1% for high level, respectively. The linear range of HE4 was 14.63 to 1475.15pmol/L. Of the 43 patients, two patients in pre-menopausal group showed the ROMA score above the cut-off level (7.3%). One of them showed CA 125 level within the reference range, while the HE4 was higher than the cut-off. Conclusion: The overall analytical performance of HE4 assay using Architect showed high precision and good linearity within clinically important range. HE4 could be an useful marker for managing patients with adnexal masses. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=HE4" title="HE4">HE4</a>, <a href="https://publications.waset.org/abstracts/search?q=CA125" title=" CA125"> CA125</a>, <a href="https://publications.waset.org/abstracts/search?q=ROMA" title=" ROMA"> ROMA</a>, <a href="https://publications.waset.org/abstracts/search?q=evaluation" title=" evaluation"> evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=performance" title=" performance"> performance</a> </p> <a href="https://publications.waset.org/abstracts/21188/performance-evaluation-of-the-he4-as-a-serum-tumor-marker-for-ovarian-carcinoma" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21188.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">338</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">308</span> Case of an Engineering Design Class in Architectural Engineering</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Myunghoun%20Jang">Myunghoun Jang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Most engineering colleges in South Korea have engineering design classes in order to develop and enhance a student's creativity and problem-solving ability. Many cases about engineering design class are shown in journals and magazines, but a case lasting many years is few. The engineering design class in the Department of Architectural Engineering, Jeju National University was open in 2009 and continues to this year. 3-5 teams in every year set up their problems found their solutions and produced good results. Three of the results obtained patents. The class also provides students with opportunities to improve communication skill because they have many discussions in solving their problems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=engineering%20design" title="engineering design">engineering design</a>, <a href="https://publications.waset.org/abstracts/search?q=architectural%20engineering" title=" architectural engineering"> architectural engineering</a>, <a href="https://publications.waset.org/abstracts/search?q=team-based%20learning" title=" team-based learning"> team-based learning</a>, <a href="https://publications.waset.org/abstracts/search?q=construction%20safety" title=" construction safety"> construction safety</a> </p> <a href="https://publications.waset.org/abstracts/84485/case-of-an-engineering-design-class-in-architectural-engineering" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/84485.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">236</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">307</span> Screening for Hit Identification against Mycobacterium abscessus </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jichan%20Jang">Jichan Jang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mycobacterium abscessus is a rapidly growing life-threatening mycobacterium with multiple drug-resistance mechanisms. In this study, we screened the library to identify active molecules targeting Mycobacterium abscessus using resazurin live/dead assays. In this screening assay, the Z-factor was 0.7, as an indication of the statistical confidence of the assay. A cut-off of 80% growth inhibition in the screening resulted in the identification of four different compounds at a single concentration (20 μM). Dose-response curves identified three different hit candidates, which generated good inhibitory curves. All hit candidates were expected to have different molecular targets. Thus, we found that compound X, identified, may be a promising candidate in the M. abscessus drug discovery pipeline. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mycobacterium%20abscessus" title="Mycobacterium abscessus">Mycobacterium abscessus</a>, <a href="https://publications.waset.org/abstracts/search?q=antibiotics" title=" antibiotics"> antibiotics</a>, <a href="https://publications.waset.org/abstracts/search?q=drug%20discovery" title=" drug discovery"> drug discovery</a>, <a href="https://publications.waset.org/abstracts/search?q=emerging%20Pathogen" title=" emerging Pathogen"> emerging Pathogen</a> </p> <a href="https://publications.waset.org/abstracts/91908/screening-for-hit-identification-against-mycobacterium-abscessus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91908.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">209</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">306</span> A Preliminary Study of the Subcontractor Evaluation System for the International Construction Market</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hochan%20Seok">Hochan Seok</a>, <a href="https://publications.waset.org/abstracts/search?q=Woosik%20Jang"> Woosik Jang</a>, <a href="https://publications.waset.org/abstracts/search?q=Seung-Heon%20Han"> Seung-Heon Han</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The stagnant global construction market has intensified competition since 2008 among firms that aim to win overseas contracts. Against this backdrop, subcontractor selection is identified as one of the most critical success factors in overseas construction project. However, it is difficult to select qualified subcontractors due to the lack of evaluation standards and reliability. This study aims to identify the problems associated with existing subcontractor evaluations using a correlations analysis and a multiple regression analysis with pre-qualification and performance evaluation of 121 firms in six countries. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=subcontractor%20evaluation%20system" title="subcontractor evaluation system">subcontractor evaluation system</a>, <a href="https://publications.waset.org/abstracts/search?q=pre-qualification" title=" pre-qualification"> pre-qualification</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20evaluation" title=" performance evaluation"> performance evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=correlation%20analysis" title=" correlation analysis"> correlation analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=multiple%20regression%20analysis" title=" multiple regression analysis"> multiple regression analysis</a> </p> <a href="https://publications.waset.org/abstracts/65032/a-preliminary-study-of-the-subcontractor-evaluation-system-for-the-international-construction-market" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/65032.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">368</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">305</span> Design and Synthesis of Gradient Nanocomposite Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pu%20Ying-Chih">Pu Ying-Chih</a>, <a href="https://publications.waset.org/abstracts/search?q=Yang%20Yin-Ju"> Yang Yin-Ju</a>, <a href="https://publications.waset.org/abstracts/search?q=Hang%20Jian-Yi"> Hang Jian-Yi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jang%20Guang-Way"> Jang Guang-Way </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Organic-Inorganic hybrid materials consisting of graded distributions of inorganic nano particles in organic polymer matrices were successfully prepared by the sol-gel process. Optical and surface properties of the resulting nano composites can be manipulated by changing their compositions and nano particle distribution gradients. Applications of gradient nano composite materials include sealants for LED packaging and screen lenses for smartphones. Optical transparency, prism coupler, TEM, SEM, Energy Dispersive X-ray Spectrometer (EDX), Izod impact strength, conductivity, pencil hardness, and thermogravimetric characterizations of the nano composites were performed and the results will be presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gradient" title="Gradient">Gradient</a>, <a href="https://publications.waset.org/abstracts/search?q=Hybrid" title=" Hybrid"> Hybrid</a>, <a href="https://publications.waset.org/abstracts/search?q=Nanocomposite" title=" Nanocomposite"> Nanocomposite</a>, <a href="https://publications.waset.org/abstracts/search?q=Organic-Inorganic" title=" Organic-Inorganic"> Organic-Inorganic</a> </p> <a href="https://publications.waset.org/abstracts/25011/design-and-synthesis-of-gradient-nanocomposite-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25011.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">506</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">304</span> Ultra-Sensitive and Real Time Detection of ZnO NW Using QCM</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Juneseok%20You">Juneseok You</a>, <a href="https://publications.waset.org/abstracts/search?q=Kuewhan%20Jang"> Kuewhan Jang</a>, <a href="https://publications.waset.org/abstracts/search?q=Chanho%20Park"> Chanho Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaeyeong%20Choi"> Jaeyeong Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyunjun%20Park"> Hyunjun Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Sehyun%20Shin"> Sehyun Shin</a>, <a href="https://publications.waset.org/abstracts/search?q=Changsoo%20Han"> Changsoo Han</a>, <a href="https://publications.waset.org/abstracts/search?q=Sungsoo%20Na"> Sungsoo Na</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nanomaterials occur toxic effects to human being or ecological systems. Some sensors have been developed to detect toxic materials and the standard for toxic materials has been established. Zinc oxide nanowire (ZnO NW) is known for toxic material. By ionizing in cell body, ionized Zn ions are overexposed to cell components, which cause critical damage or death. In this paper, we detected ZnO NW in water using QCM (Quartz Crystal Microbalance) and ssDNA (single strand DNA). We achieved 30 minutes of response time for real time detection and 100 pg/mL of limit of detection (LOD). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=zinc%20oxide%20nanowire" title="zinc oxide nanowire">zinc oxide nanowire</a>, <a href="https://publications.waset.org/abstracts/search?q=QCM" title=" QCM"> QCM</a>, <a href="https://publications.waset.org/abstracts/search?q=ssDNA" title=" ssDNA"> ssDNA</a>, <a href="https://publications.waset.org/abstracts/search?q=toxic%20material" title=" toxic material"> toxic material</a>, <a href="https://publications.waset.org/abstracts/search?q=biosensor" title=" biosensor"> biosensor</a> </p> <a href="https://publications.waset.org/abstracts/43680/ultra-sensitive-and-real-time-detection-of-zno-nw-using-qcm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43680.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">428</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">303</span> A Finite Memory Residual Generation Filter for Fault Detection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pyung%20Soo%20Kim">Pyung Soo Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Eung%20Hyuk%20Lee"> Eung Hyuk Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Mun%20Suck%20Jang"> Mun Suck Jang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the current paper, a residual generation filter with finite memory structure is proposed for fault detection. The proposed finite memory residual generation filter provides the residual by real-time filtering of fault vector using only the most recent finite observations and inputs on the window. It is shown that the residual given by the proposed residual generation filter provides the exact fault for noise-free systems. Finally, to illustrate the capability of the proposed residual generation filter, numerical examples are performed for the discretized DC motor system having the multiple sensor faults. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=residual%20generation%20filter" title="residual generation filter">residual generation filter</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20memory%20structure" title=" finite memory structure"> finite memory structure</a>, <a href="https://publications.waset.org/abstracts/search?q=kalman%20filter" title=" kalman filter"> kalman filter</a>, <a href="https://publications.waset.org/abstracts/search?q=fast%20detection" title=" fast detection"> fast detection</a> </p> <a href="https://publications.waset.org/abstracts/35140/a-finite-memory-residual-generation-filter-for-fault-detection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35140.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">698</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">302</span> An Experiment of Three-Dimensional Point Clouds Using GoPro</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jong-Hwa%20Kim">Jong-Hwa Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Mu-Wook%20Pyeon"> Mu-Wook Pyeon</a>, <a href="https://publications.waset.org/abstracts/search?q=Yang-dam%20Eo"> Yang-dam Eo</a>, <a href="https://publications.waset.org/abstracts/search?q=Ill-Woong%20Jang"> Ill-Woong Jang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Construction of geo-spatial information recently tends to develop as multi-dimensional geo-spatial information. People constructing spatial information is also expanding its area to the general public from some experts. As well as, studies are in progress using a variety of devices, with the aim of near real-time update. In this paper, getting the stereo images using GoPro device used widely also to the general public as well as experts. And correcting the distortion of the images, then by using SIFT, DLT, is acquired the point clouds. It presented a possibility that on the basis of this experiment, using a video device that is readily available in real life, to create a real-time digital map. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=GoPro" title="GoPro">GoPro</a>, <a href="https://publications.waset.org/abstracts/search?q=SIFT" title=" SIFT"> SIFT</a>, <a href="https://publications.waset.org/abstracts/search?q=DLT" title=" DLT"> DLT</a>, <a href="https://publications.waset.org/abstracts/search?q=point%20clouds" title=" point clouds"> point clouds</a> </p> <a href="https://publications.waset.org/abstracts/5342/an-experiment-of-three-dimensional-point-clouds-using-gopro" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5342.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">469</span> </span> 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