Bismuth Vanadate/Reduced Graphene Oxide Nanocomposite Electrode for Photoelectrochemical Determination of Diclofenac in Urine

do?Prado Thiago Martimiano; Cincotto Fernando Henrique; Fatibello‐Filho Orlando; Cruz?de?Moraes Fernando

摘要

Abstract > The nanocomposite material bismuth vanadate and reduced graphene oxide BiVO <sub>4</sub> /rGO was prepared and deposited onto a fluorine‐doped tin oxide glass surface for application of a photoelectrochemical sensor for the determination of sodium diclofenac in urine samples. This drug is considered as an emergent pollutant because of its ecotoxicological risk when discarded in wastewater. Electrochemistry Impedance Spectroscopy experiments shown that the rGO contributed to the efficiency of the DCF electro‐oxidization and, under irradiation, the resistance in the charge transfer in the work electrode decreased. The sensor presented photocurrent responses during the diclofenac electro‐oxidation under visible light irradiation, with a linear concentration range from 9.6×10 ?9 ?mol?L ?1 to 9.2×10 ?6 ?mol?L ?1 and a LOD of 4.2×10 ?9 ?mol?L ?1 . The presence of the drug in urine was successfully determined by recovery in spiked samples. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>摘录</标题> >纳米复合材料铋钒酸盐和还原的石墨烯氧化物BIVO <sub> 4 </ sub> /制备rgo并沉积在氟掺杂型氧化锡玻璃表面上，用于施加光电化学传感器，用于测定尿液样品中的双氯丁酸钠。由于其在废水中丢弃时，该药物被认为是一种急诊污染物。电化学阻抗光谱实验表明，RGO有助于DCF电氧化的效率，并且在照射下，工作电极中电荷转移中的电阻降低。传感器在可见光照射下的双氯芬酸电氧化过程中呈现光电流反应，线性浓度范围为9.6×10 Δ9</ sup>Δω1α1至9.2× 10 Δ6</ sup>？1 Δ1</ sup>和4.2×10 Δ9</ sup>Δω1？1 </ sup>。通过掺入样品中的回收成功确定尿液中药物的存在。 </ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-22546/'>《Electroanalysis》</a> <b style="margin: 0 2px;">|</b><span>2018年第11期</span><b style="margin: 0 2px;">|</b><span>共8页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=do?Prado Thiago Martimiano&option=202" target="_blank" rel="nofollow">do?Prado Thiago Martimiano;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Cincotto Fernando Henrique&option=202" target="_blank" rel="nofollow">Cincotto Fernando Henrique;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Fatibello‐Filho Orlando&option=202" target="_blank" rel="nofollow">Fatibello‐Filho Orlando;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Cruz?de?Moraes Fernando&option=202" target="_blank" rel="nofollow">Cruz?de?Moraes Fernando;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Department of ChemistryFederal University of S?o CarlosS?o Carlos – SP – Brazil Zip code 13565-905;</p> <p>Department of ChemistryFederal University of S?o CarlosS?o Carlos – SP – Brazil Zip code 13565-905;</p> <p>Department of ChemistryFederal University of S?o CarlosS?o Carlos – SP – Brazil Zip code 13565-905;</p> <p>Department of ChemistryFederal University of S?o CarlosS?o Carlos – SP – Brazil Zip code 13565-905;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/4817.html" title="电化学、电解、磁化学">电化学、电解、磁化学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Photoelectrochemistry&option=203" rel="nofollow">Photoelectrochemistry;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=diclofenac&option=203" rel="nofollow">diclofenac;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=bismuth vanadate&option=203" rel="nofollow">bismuth vanadate;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=reduced graphene oxide&option=203" rel="nofollow">reduced graphene oxide;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=visible light&option=203" rel="nofollow">visible light;</a> </p> <div class="translation"> 机译：光电化学;双氯芬酸;铋钒酸盐;氧化石墨氧化物;可见光; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704023175001.html">Bismuth Vanadate/Reduced Graphene Oxide Nanocomposite Electrode for Photoelectrochemical Determination of Diclofenac in Urine</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=do?Prado Thiago Martimiano&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">do?Prado Thiago Martimiano,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Cincotto 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