Search results for: P. Le Coustumer

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Le Coustumer</title> <meta name="description" content="Search results for: P. Le Coustumer"> <meta name="keywords" content="P. Le Coustumer"> <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 ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="P. 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Le Coustumer"> <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> 2</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: P. Le Coustumer</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> Production and Characterization of Silver Doped Hydroxyapatite Thin Films for Biomedical Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20L%20Popa">C. L Popa</a>, <a href="https://publications.waset.org/abstracts/search?q=C.S.%20Ciobanu"> C.S. Ciobanu</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20L.%20Iconaru"> S. L. Iconaru</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Chapon"> P. Chapon</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Costescu"> A. Costescu</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Le%20Coustumer"> P. Le Coustumer</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Predoi"> D. Predoi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the preparation and characterization of silver doped hydroxyapatite thin films and their antimicrobial activity characterized is reported. The resultant Ag: HAp films coated on commercially pure Si disks substrates were systematically characterized by Scanning Electron Microscopy (SEM) coupled with X-ray Energy Dispersive Spectroscopy detector (X-EDS), Glow Discharge Optical Emission Spectroscopy (GDOES) and Fourier Transform Infrared spectroscopy (FT-IR). GDOES measurements show that a substantial Ag content has been deposited in the films. The X-EDS and GDOES spectra revealed the presence of a material composed mainly of phosphate, calcium, oxygen, hydrogen and silver. The antimicrobial efficiency of Ag:HAp thin films against Escherichia coli and Staphylococcus aureus bacteria was demonstrated. Ag:HAp thin films could lead to a decrease of infections especially in the case of bone and dental implants by surface modification of implantable medical devices. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=silver" title="silver">silver</a>, <a href="https://publications.waset.org/abstracts/search?q=hydroxyapatite" title=" hydroxyapatite"> hydroxyapatite</a>, <a href="https://publications.waset.org/abstracts/search?q=thin%20films" title=" thin films"> thin films</a>, <a href="https://publications.waset.org/abstracts/search?q=GDOES" title=" GDOES"> GDOES</a>, <a href="https://publications.waset.org/abstracts/search?q=SEM" title=" SEM"> SEM</a>, <a href="https://publications.waset.org/abstracts/search?q=FTIR" title=" FTIR"> FTIR</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20effect" title=" antimicrobial effect"> antimicrobial effect</a> </p> <a href="https://publications.waset.org/abstracts/2458/production-and-characterization-of-silver-doped-hydroxyapatite-thin-films-for-biomedical-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2458.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">425</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> Occurrence of Pharmaceutical Compounds in an Urban Lake</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20D.%20Villanueva">J. D. Villanueva</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Peyraube"> N. Peyraube</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Allan"> I. Allan</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20D.%20Salvosa"> G. D. Salvosa</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Reid"> M. Reid</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Harman"> C. Harman</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20D.%20Salvosa"> K. D. Salvosa</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20M.%20V.%20Castro"> J. M. V. Castro</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20V.%20O.%20Espaldon"> M. V. O. Espaldon</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20B.%20Sevilla-Nastor"> J. B. Sevilla-Nastor</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Le%20Coustumer"> P. Le Coustumer</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main objectives of this research are to (1) assess the occurrence of the pharmaceutical compounds and (2) present the environmental challenges posed by the existence of these pharmaceutical compounds in the surface water. These pharmaceuticals were measured in Napindan Lake, Philippines. This lake is not only a major tributary of the Pasig River (an estuary) and Laguna Lake (freshwater). It also joins these two important surface waters of the National Capital Region. Pharmaceutical compounds such as Atenolol, Carbamazepine, and two other over the counter medicines: Cetirizine, and Ibuprofen were measured in Napindan Lake. Atenolol is a beta blocker that helps in lowering hypertensions. Carbamazepine is an anticonvulsant used as treatment for epilepsy and neuropathic pain. Cetirizine is an antihistamine that can relieve allergies. Ibuprofen is a non-steroidal anti-inflammatory drug normally used to relieve pains. Three different climatological conditions with corresponding hydro physico chemical characteristics were considered. First, was during a dry season with a simultaneous dredging. Second was during a transition period from dry to wet season. Finally, the third was during a continuous wet event. Based from the results of the study, most of these pharmaceuticals can be found in Napindan Lake. This is a proof that these pharmaceutical compounds are being released to a natural surface water. Even though climatological conditions were different, concentrations of these pharmaceuticals can still be detected. This implies that there is an incessant supply of these pharmaceutical compounds in Napindan Lake. Chronic exposure to these compounds even at low concentrations can lead to possible environmental and health risks. Given this information and since consistent occurrence of these compounds can be expected, the main challenge, at present, is on how to control the sources of these pharmaceutical compounds. Primarily, there is a need to manage the disposal of the pharmaceutical compounds. Yet, the main question is how to? This study would like to present the challenges and institutional roles in helping manage the pharmaceutical disposals in a developing country like the Philippines. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=atenolol" title="atenolol">atenolol</a>, <a href="https://publications.waset.org/abstracts/search?q=carbamazepine" title=" carbamazepine"> carbamazepine</a>, <a href="https://publications.waset.org/abstracts/search?q=cetirizine" title=" cetirizine"> cetirizine</a>, <a href="https://publications.waset.org/abstracts/search?q=ibuprofen" title=" ibuprofen"> ibuprofen</a>, <a href="https://publications.waset.org/abstracts/search?q=institutional%20roles" title=" institutional roles"> institutional roles</a>, <a href="https://publications.waset.org/abstracts/search?q=Napindan%20lake" title=" Napindan lake"> Napindan lake</a>, <a href="https://publications.waset.org/abstracts/search?q=pharmaceutical%20compound%20disposal%20management" title=" pharmaceutical compound disposal management"> pharmaceutical compound disposal management</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20water" title=" surface water"> surface water</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20lake" title=" urban lake"> urban lake</a> </p> <a href="https://publications.waset.org/abstracts/122704/occurrence-of-pharmaceutical-compounds-in-an-urban-lake" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/122704.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">162</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 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Search results for: P. Le Coustumer