Simultaneous Detection of Dopamine and Uric Acid on Indium Tin Oxides Modified with Cost‐effective Gas‐phase Synthesized Single Walled Carbon Nanotubes

Khan Md. Mohibul Islam; Baek Geun Woo; Kim Kyuwon; Kwon Hyuck‐In; Jin Sung Hun

摘要

Abstract >Cost‐effective gas‐phase synthesized single walled carbon nanotubes (SWCNTs) were first employed for the surface modification of indium tin oxides (ITO) via electrostatic coating of poly‐l‐lysine (PLL). Compared with control substrates of bare ITO and SWCNT‐PLL‐slide glasses, SWCNT‐PLL‐ITO, with high catalytic properties associated with large surface areas, showed significant improvement of electro catalytic activity toward the oxidation of dopamine (DA) and uric acid (UA). The cyclic voltammetric (CV) peak separation of oxidation for both DA and UA was estimated to be ～ 0.13?V, which renders them capable of simultaneously detecting DA and UA in a mixed solution. The differential pulse voltammetry (DPV) technique was further performed to obtain a linear detection range of DA from 1.0 μM to 100 μM, and a detection limit of 1.0 μM was confirmed in the mixed solution. Furthermore, the practical analytical ability of the method was finally confirmed by selective detection of both DA and UA in human urine samples without any preliminary treatment, implying the feasibility of applying bio‐sensors in a low‐cost manner. </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 xmlns =“http://www.wiley.com/namespaces/wiley”type =“main”xml：lang =“en”> <title type =“main”>抽象</ title> >成本 - 首先使用有效的气相合成的单壁碳纳米管（SWCNTS）用于通过聚-L-赖氨酸（PLL）的静电涂层的氧化铟锡（ITO）的表面改性。与裸ITO和SWCNT-PLL-滑动玻璃的控制衬底相比，具有与大表面积相关的高催化性质的SWCNT-PLL-ITO，表明电催化活性朝向多巴胺（DA）和尿酸的氧化（ UA）。估计DA和UA的循环伏安（CV）氧化的氧化峰分离为〜0.13？V，其使它们能够在混合溶液中同时检测DA和UA。进一步进行差分脉冲伏安法（DPV）技术以获得从1.0μm至100μm的线性检测范围，并在混合溶液中确认1.0μm的检出限。此外，通过在人尿样本中选择性检测，在没有任何初步处理的情况下，最终通过选择性检测DA和UA的方法来确认该方法的实际分析能力，这意味着以低成本方式施加生物传感器的可行性。</ p> </摘要> </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>2017年第8期</span><b style="margin: 0 2px;">|</b><span>共9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=Khan Md. Mohibul Islam&option=202" target="_blank" rel="nofollow">Khan Md. Mohibul Islam;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Baek Geun Woo&option=202" target="_blank" rel="nofollow">Baek Geun Woo;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Kim Kyuwon&option=202" target="_blank" rel="nofollow">Kim Kyuwon;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Kwon Hyuck‐In&option=202" target="_blank" rel="nofollow">Kwon Hyuck‐In;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Jin Sung Hun&option=202" target="_blank" rel="nofollow">Jin Sung Hun;</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 Electronic Engineering Incheon National UniversityIncheon 22012 Korea;</p> <p>Department of Electronic Engineering Incheon National UniversityIncheon 22012 Korea;</p> <p>Department of ChemistryIncheon National UniversityIncheon 22012 Korea;</p> <p>School of Electrical and Electronics EngineeringChung-Ang UniversitySeoul 156-756 Korea;</p> <p>Department of Electronic Engineering Incheon National UniversityIncheon 22012 Korea;</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=Bio-sensors&option=203" rel="nofollow">Bio-sensors;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Cyclic Voltammetry&option=203" rel="nofollow">Cyclic Voltammetry;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Dopamine&option=203" rel="nofollow">Dopamine;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Indium Tin Oxide and Single Walled Carbon Nanotubes&option=203" rel="nofollow">Indium Tin Oxide and Single Walled Carbon Nanotubes;</a> </p> <div class="translation"> 机译：生物传感器;循环伏安法;多巴胺;氧化铟锡和单壁碳纳米管; </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/0704023174669.html">Simultaneous Detection of Dopamine and Uric Acid on Indium Tin Oxides Modified with Cost‐effective Gas‐phase Synthesized Single Walled Carbon Nanotubes</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Khan Md. 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