A Comparison of a Nanostructured Enzymeless Au/Fe        <sub >2</sub>2        O        <sub >3</sub>3        /MWCNTs/GCE Electrode and a GOx Modified One in Electrocatalytic Detection of Glucose

Mohammadi Fatemeh; Vesali‐Naseh Masoud; Khodadadi Abbas Ali; Mortazavi Yadollah

摘要

Abstract > Acid functionalized multi‐walled carbon nanotubes (f‐MWCNTs) were decorated with Au and Fe <sub>2</sub> O <sub>3</sub> nanoparticles (FeONPs) and deposited on glassy carbon electrode (GCE). The resulting hybrid Au/Fe <sub>2</sub> O <sub>3</sub> /f‐MWCNTs/GCE electrode and the one further modified by glucose oxidase were compared for detection of glucose. FeONPs and Au were deposited on the f‐MWCNTs by sonication‐assisted precipitation and deposition‐precipitation methods, respectively. The morphology and structure of the samples were characterized by transmission electron microscopy, scanning electron microscopy, X‐ray diffraction and Raman spectroscopy. A uniform distribution of FeONPs with an average size of 5?nm increased the surface area of functionalized nanotubes from 39 to 50?m 2 /g. The electrocatalytic glucose detection on the modified electrodes was evaluated using cyclic voltammetry and chronoamperometry in 0.1?M phosphate buffer solution at pH?7.0. The non‐enzymatic and enzymatic electrodes show sensitivity of 512.4 and 921.4?mA/mM.cm 2 and detection limit of 1.7 and 0.9?mM, respectively. The enzymatic and enzymeless electrodes retained more than 70?% and 80?% of their cathodic faradic current after 70 days, respectively. The sensing mechanism of the non‐enzymatic biosensor is described through the reaction of glucose with iron (III) ions, while in the case of enzymatic electrode, glucose is oxidized by glucose oxidase. </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”>抽象</ title> >酸官能化多壁碳纳米管（F-mwcnts）装饰着Au和Fe <亚> 2 </ sub> O <sub> 3 </ sub>纳米颗粒（FeOnps）并沉积在玻璃碳电极（GCE）上。比较所得的杂交AU / Fe <亚> 2 </ sub> O <sub> 3 </ sub> / f-mwcnt / gce电极，并通过葡萄糖氧化酶进行进一步改性的糖糖酶的检测。通过超声辅助沉淀和沉积沉淀方法分别沉积F-MWCNTS的FEONP和AU。通过透射电子显微镜，扫描电子显微镜，X射线衍射和拉曼光谱表征样品的形态和结构。平均尺寸为5Ω·Nm的FeOn的均匀分布增加了官能化纳米管的表面积从39-50μm 2 </ sup> / g。使用循环伏安法和计时率在0.1·m磷酸盐缓冲溶液中在pH·7.0时评估改性电极上的电催化葡萄糖检测。非酶促和酶促电极分别显示出512.4和921.4〜ma / mm.cm的敏感性分别为1.7和0.9Ωmm的512.4和921.4Ω·mA / mm.cm。 70天后，酶促和脓酶电极分别保留了其阴极传球的70μm％和80μm。通过葡萄糖与铁（III）离子的反应描述非酶发传感器的感测机理，而在酶电极的情况下，通过葡萄糖氧化酶氧化葡萄糖。 </ 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9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=Mohammadi Fatemeh&option=202" target="_blank" rel="nofollow">Mohammadi Fatemeh;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Vesali‐Naseh Masoud&option=202" target="_blank" rel="nofollow">Vesali‐Naseh Masoud;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Khodadadi Abbas Ali&option=202" target="_blank" rel="nofollow">Khodadadi Abbas Ali;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Mortazavi Yadollah&option=202" target="_blank" rel="nofollow">Mortazavi Yadollah;</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>Catalysis and Nanostructured Research Laboratory School of Chemical EngineeringUniversity of TehranTehran Iran;</p> <p>Department of Chemical EngineeringHamedan University of Technology (HUT)65155 Hamedan Iran;</p> <p>Catalysis and Nanostructured Research Laboratory School of Chemical EngineeringUniversity of TehranTehran Iran;</p> <p>Catalysis and Nanostructured Research Laboratory School of Chemical EngineeringUniversity of TehranTehran Iran;</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=Carbon nanotubes&option=203" rel="nofollow">Carbon nanotubes;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Iron oxide&option=203" rel="nofollow">Iron oxide;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Gold&option=203" rel="nofollow">Gold;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Glucose biosensors&option=203" rel="nofollow">Glucose biosensors;</a> </p> <div class="translation"> 机译：碳纳米管;氧化铁;金;葡萄糖生物传感器; </div> </li> </ul> </div> </div> <div class="literature cardcommon" id="literaturereference" style="display:none"> <div class="similarity "> <h3 class="all_title" id="enpatent111">引文网络</h3> <div class="referencetab clearfix"> <ul id="referencedaohang"> <li dataid="referenceul">参考文献</li> <li dataid="citationul">引证文献</li> <li dataid="commonreferenceul">共引文献</li> <li dataid="commoncitationul">同被引文献</li> <li dataid="tworeferenceul">二级参考文献</li> <li dataid="twocitationul">二级引证文献</li> </ul> </div> <div class="reference_details" id="referenceList"> <ul id="referenceul"></ul> <ul id="citationul"></ul> <ul id="commonreferenceul"></ul> <ul id="commoncitationul"></ul> <ul id="tworeferenceul"></ul> <ul id="twocitationul"></ul> </div> </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/0704023174828.html">A Comparison of a Nanostructured Enzymeless Au/Fe <sub >2</sub>2 O <sub >3</sub>3 /MWCNTs/GCE Electrode and a GOx Modified One in Electrocatalytic Detection of Glucose</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Mohammadi Fatemeh&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Mohammadi Fatemeh,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Vesali‐Naseh Masoud&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Vesali‐Naseh Masoud,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Khodadadi Abbas Ali&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Khodadadi Abbas Ali,</a> <a href="/journal-foreign-22546/" target="_blank" rel="nofollow" class="tuijian_authcolor">Electroanalysis .</a> <span>2018</span><span>,第9期</span> </span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：纳米结构腹菌Au / Fe <sub> 2 </ sub> 2 O <sub> 3 </ sup> 3 / mwcnts / gCE电极和GOX改性一个在葡萄糖检测中的GOX修饰的比较</span> </p> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704014157947.html">Electrocatalytic activity of salicylic acid on Au@Fe_3O_4 nanocomposites modified electrode and its detection in tomato leaves infected with Botrytis cinerea</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Li-Jun Sun&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Li-Jun Sun,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhong-Qin Pan&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Zhong-Qin Pan,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Jing Xie&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Jing Xie,</a> <a href="/journal-foreign-34228/" target="_blank" rel="nofollow" class="tuijian_authcolor">Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry .</a> <span>2013</span><span>,第Null期</span> </span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：水杨酸对Au @ Fe_3O_4纳米复合修饰电极的电催化活性及其在灰葡萄孢感染番茄叶片中的检测</span> </p> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/070402835173.html">Comparison of Cobalt Hexacyanoferrate and Poly(Neutral Red) Modified Carbon Film Electrodes for the Amperometric Detection of Heavy Metals Based on Glucose Oxidase Enzyme Inhibition</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Attar Aisha&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Attar Aisha,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ghica M. 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</b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/02031610202.html">Au纳米线阵列修饰电极的制备与水中痕量铅离子的检测</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=张鹏杰&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 张鹏杰</a> <span> . 2013</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/061201748434.html">一种多功能纳米探针GOx/Au NPs/DNA的制备方法及其激酶检测应用</a> <b>[P]</b> . <span> 中国专利： CN103472052B </span> <span> . 2015.08.26</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120102241978.html">一种多功能纳米探针GOx/Au NPs/DNA的制备方法及其激酶检测应用</a> <b>[P]</b> . <span> 中国专利： CN103472052A </span> <span> . 2013-12-25</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130403425581.html">FABRICATION OF NON-ENZYMATIC SENSOR BASED ON Pt/PVF OR Au/PVF OR Ir/ PVF ON A MODIFIED Pt 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A Comparison of a Nanostructured Enzymeless Au/Fe 22 O 33 /MWCNTs/GCE Electrode and a GOx Modified One in Electrocatalytic Detection of Glucose

摘要

A Comparison of a Nanostructured Enzymeless Au/Fe ₂2 O ₃3 /MWCNTs/GCE Electrode and a GOx Modified One in Electrocatalytic Detection of Glucose