Search results for: Juliano Bazzo

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Bazzo</title> <meta name="description" content="Search results for: Juliano Bazzo"> <meta name="keywords" content="Juliano Bazzo"> <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="Juliano Bazzo"> <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> 3</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Juliano Bazzo</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> Graphene-Based Reconfigurable Lens Antenna for 5G/6G and Satellite Networks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Andr%C3%A9%20Lages">André Lages</a>, <a href="https://publications.waset.org/abstracts/search?q=Victor%20Dmitriev"> Victor Dmitriev</a>, <a href="https://publications.waset.org/abstracts/search?q=Juliano%20Bazzo"> Juliano Bazzo</a>, <a href="https://publications.waset.org/abstracts/search?q=Gianni%20Portela"> Gianni Portela</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work evaluates the feasibility of the graphene application to perform as a wideband reconfigurable material for lens antennas in 5G/6G and satellite applications. Based on transformation optics principles, the electromagnetic waves can be efficiently guided by modifying the effective refractive index. Graphene behavior can range between a lossy dielectric and a good conductor due to the variation of its chemical potential bias, thus arising as a promising solution for electromagnetic devices. The graphene properties and a lens antenna comprising multiples layers and periodic arrangements of graphene patches were analyzed using full-wave simulations. A dipole directivity was improved from 7 to 18.5 dBi at 29 GHz. In addition, the realized gain was enhanced 7 dB across a 14 GHz bandwidth within the Ka/5G band. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=5G%2F6G" title="5G/6G">5G/6G</a>, <a href="https://publications.waset.org/abstracts/search?q=graphene" title=" graphene"> graphene</a>, <a href="https://publications.waset.org/abstracts/search?q=lens" title=" lens"> lens</a>, <a href="https://publications.waset.org/abstracts/search?q=reconfigurable" title=" reconfigurable"> reconfigurable</a>, <a href="https://publications.waset.org/abstracts/search?q=satellite" title=" satellite"> satellite</a> </p> <a href="https://publications.waset.org/abstracts/121554/graphene-based-reconfigurable-lens-antenna-for-5g6g-and-satellite-networks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/121554.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">146</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">2</span> Staphylococcal Enterotoxins Play an Important Role in Clinical Signs in Bovine Mastitis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=St%C3%A9fani%20T.%20A.%20Dantas">Stéfani T. A. Dantas</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20T.%20S.%20Takume"> Laura T. S. Takume</a>, <a href="https://publications.waset.org/abstracts/search?q=Bruna%20F.%20Rossi"> Bruna F. Rossi</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%89rika%20R.%20Bonsaglia"> Érika R. Bonsaglia</a>, <a href="https://publications.waset.org/abstracts/search?q=Ivana%20G.%20Castilho"> Ivana G. Castilho</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20C.%20F.%20Pantoja"> José C. F. Pantoja</a>, <a href="https://publications.waset.org/abstracts/search?q=Ary%20Fernandes%20J%C3%BAnior"> Ary Fernandes Júnior</a>, <a href="https://publications.waset.org/abstracts/search?q=Juliano%20L.%20Gon%C3%A7alves"> Juliano L. Gonçalves</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcos%20V.%20Santos"> Marcos V. Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Rinaldo%20A.%20Mota"> Rinaldo A. Mota</a>, <a href="https://publications.waset.org/abstracts/search?q=Vera%20L.%20M.%20Rall"> Vera L. M. Rall</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Staphylococcus aureus is one of the main pathogens causing contagious bovine mastitis, being more frequently isolated from subclinical form, although the clinical form also occurs. Clinical mastitis cause visual signs, such as swelling, fever, hardening of the mammary gland, or any change in the characteristics of the milk. Considering the subclinical type, there are no visible signs in the animal nor changes in the milk. S. aureus has many important virulence factors for the establishment of its pathogenicity in animals, such as enterotoxins, which are also responsible for foodborne poisoning. Our objective is to perform a comparative analysis between 103 isolates of S. aureus, obtained from the milk of cows with clinical mastitis and 103 more, from subclinical type, in relation to the presence of these enterotoxins and verify if their presence plays an important role in the signs of illness. We will investigate all enterotoxins described till now, such as sea-see, seg-sez, sel26, sel 27, se01, and se02 (This study was approved by the Sao Paulo State University Animal Use Ethics Committee, No. 0136/2017). For the PCR assay, we used Illustra Bacteria Mini Spin Kit for bacterial DNA. At this moment, we have already tested sea-see, seg-ser, sew, and sex, and the results have already been submitted to Fisher Exact Probability Test or Chi-square Test. Considering the isolates obtained from clinical mastitis, the most frequent enterotoxins were selw (99%), selx (78%) and selh (50.5%), and sec, see, sej, sell, selp,and ser were absent. Among the subclinics, selw (82.5%) selm (15.5%) and selx (14.6%) were the most frequent, and sea-see, seg, sei-sel, sem-ser were absent. We have already observed statistically significant differences for seb, seg, seh, sei, selo, selu, selw and selx. Other interesting results were the low number of genes in each isolate from subclinical mastitis [0 genes: 14 (13.6%); 1 gene: 55 (53.4%); 2 genes: 33 (32%) or 3: 1 (0.97%)] compared to clinical isolates [1 gene: 5 (4.9%); 2 genes: 29 (28.1%); 3 genes: 38 (36.9%); 4 genes: 14 (13.6%); 5 genes: 5 (4.9%); 6 genes: 4 (3.9%); 7 genes: 5 (4.9%); 8 genes: 2 (1.9%) and 9 genes: 1 (1%)]. Based on these results, we can conclude that enterotoxins indeed play an important role in clinical signs in cattle with mastitis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mastitis" title="mastitis">mastitis</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20aureus" title=" S. aureus"> S. aureus</a>, <a href="https://publications.waset.org/abstracts/search?q=PCR" title=" PCR"> PCR</a>, <a href="https://publications.waset.org/abstracts/search?q=staphylococcal%20enterotoxin" title=" staphylococcal enterotoxin"> staphylococcal enterotoxin</a> </p> <a href="https://publications.waset.org/abstracts/159459/staphylococcal-enterotoxins-play-an-important-role-in-clinical-signs-in-bovine-mastitis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159459.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">113</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">1</span> Pharmacokinetic Assessment of Antimicrobial Treatment of Acute Exacerbations of Chronic Obstructive Pulmonary Disease in Hospitalized Patients Colonized with Pseudomonas aeruginosa</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Juliette%20Begin">Juliette Begin</a>, <a href="https://publications.waset.org/abstracts/search?q=Juliano%20Colapelle"> Juliano Colapelle</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrea%20Taratanu"> Andrea Taratanu</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Thirion"> Daniel Thirion</a>, <a href="https://publications.waset.org/abstracts/search?q=Amelie%20Marsot"> Amelie Marsot</a>, <a href="https://publications.waset.org/abstracts/search?q=Bryan%20A.%20Ross"> Bryan A. Ross</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Chronic obstructive pulmonary disease (COPD), a leading cause of death globally, is characterized by chronic airflow obstruction and acute exacerbations (AECOPDs) that are often triggered by respiratory infections. Pseudomonas aeruginosa (P. aeruginosa), a potentially serious bacterial cause of AECOPDs, is treated with targeted anti-pseudomonal antibiotics. These select few antimicrobials are often used as first-line therapy in patients who are clinically unwell and/or in those suspected of P. aeruginosa-related infection prior to confirmation, potentially contributing to antimicrobial resistance. The present study evaluates prescribing practices in patients with a confirmed sputum history of P. aeruginosa admitted for AECOPD at the McGill University Health Centre (MUHC) and treated with anti-pseudomonal antibiotics. Serum antibiotic concentrations were measured from the same-day peak, trough, and mid-dose blood sampling intervals after reaching steady-state (on or after day 3) and were quantified using ultra-high-performance liquid chromatography (UHPLC). Demographic, clinical, and treatment outcomes were extracted from patient medical charts. Treatment failure was defined by respiratory-related death or mechanical ventilation after ≥3 days of antibiotics; antibiotic therapy extended beyond 2 weeks or a new antibiotic regimen started; or urgent care readmission within 30 days for AECOPD. To date, 9 of 30 planned participants have completed testing: seven received ciprofloxacin, one received meropenem, and one received piperacillin-tazobactam. Due to serum sample batching requirements, the serum ciprofloxacin concentration results for the first 2/8 participants are presented at the time of writing. The first participant had serum levels of 5.45mg/L (T₀), 4.74mg/L (T₅₀), and 4.49mg/L (T₁₀₀), while the second had serum levels of 5mg/L (T₀), 2.6mg/L (T₅₀), and 2.51mg/L (T₁₀₀). Pharmacokinetic parameters Cmax (5.18±0.43mg/L), T₁/₂ (23.56±18.94hours), and AUC (181.9±155.95mg*h/l) were higher than reported monograph values and met target AUC-to-MIC ratio of >125. The patients treated with meropenem and with piperacillin-tazobactam experienced treatment failure. Preliminary results suggest that standard ciprofloxacin dosing in patients experiencing an AECOPD and colonized with P. aeruginosa appears to achieve effective serum concentrations. Final cohort results will inform the pharmacokinetic appropriateness and clinical sufficiency of current AECOPD antimicrobial strategies in P. aeruginosa-colonized patients. This study will guide clinicians in determining the appropriate dosing for AECOPD treatment to achieve therapeutic levels, optimizing outcomes, and minimizing adverse effects. It could also highlight the value of routine antibiotic level monitoring in patients with treatment failure to ensure optimal serum concentrations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acute%20exacerbation" title="acute exacerbation">acute exacerbation</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20resistance" title=" antimicrobial resistance"> antimicrobial resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=chronic%20obstructive%20pulmonary%20disease" title=" chronic obstructive pulmonary disease"> chronic obstructive pulmonary disease</a>, <a href="https://publications.waset.org/abstracts/search?q=pharmacokinetics%2Fpharmacodynamics" title=" pharmacokinetics/pharmacodynamics"> pharmacokinetics/pharmacodynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20aeruginosa" title=" Pseudomonas aeruginosa"> Pseudomonas aeruginosa</a> </p> <a href="https://publications.waset.org/abstracts/193317/pharmacokinetic-assessment-of-antimicrobial-treatment-of-acute-exacerbations-of-chronic-obstructive-pulmonary-disease-in-hospitalized-patients-colonized-with-pseudomonas-aeruginosa" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/193317.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">12</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" 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Search results for: Juliano Bazzo