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时间:2020-03-27
《多孔纳米氧化铜修饰电极的制备及分析应用_英文_刘皓.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第43卷第8期Vol.43,No.82013年8月JOURNALOFUNIVERSITYOFSCIENCEANDTECHNOLOGYOFCHINAAug.2013ArticleID:0253-2778(2013)08-0645-09FabricationofnanoporouscopperoxidefilmbiosensorwithapolymerspheretemplateanditsapplicationtoglucosesensingLIUHao,QIANCheng,XUHaihong,WUShouguo(Departm
2、entofChemistry,UniversityofScienceandTechnologyofChina,Hefei230026,China)Abstract:AnanoporousCuOfilmbiosensorwasfabricatedonaCusubstrateelectrodebythecolloidal-crystalpolystyrenetemplatetechniquewiththehelpofpotentiostaticplatingandpotentialcyclicscanning.Thedirecte
3、lectrocatalyticoxidationofglucoseinalkalinemediumonnanoparticleCuOfilmmodifiedelectrodehasbeeninvestigatedindetail.Whenappliedtodetectglucose,thesensorexhibitedalinearresponseofupto3.2mmol/Lofglucose,andahigh-1·cm-2,higherthanthatofmostnonenzymaticglucosesensorssens
4、itivityof3799μA·mMreportedintheliterature.Thesensorresponsetimewaslessthan3sandthedetectionlimitwas0.37μmol/L(atsignal/noise=3).Thisimprovementisduetothenanoporousstructureandthegreatlyenhancedeffectivesurfacearea.Inaddition,thesensoralsoperformedwellformeasuringglu
5、coseconcentrationsinhumanbloodserumsamples.TheresultsindicatethatthenanoporousCuOfilmmodifiedelectrodeallowshighlysensitiveandselective,stable,andfastamperometricsensingofglucoseandisthuspromisingforthefurtherapplicationinnonenzymaticglucosesensorsdevelopment.Keywor
6、ds:polystyrenespheretemplate;electrodeposition;glucose;nonenzymaticbiosensorCLCnumber:O657.1Documentcode:Adoi:10.3969/j.issn.0253-2778.2013.08.007Citation:LiuHao,QianCheng,XuHaihong,etal.Fabricationofnanoporouscopperoxidefilmbiosensorwithapolymerspheretemplateandits
7、applicationtoglucosesensing[J].JournalofUniversityofScienceandTechnologyofChina,2013,43(8):645-653.多孔纳米氧化铜修饰电极的制备及分析应用刘皓,钱程,徐海红,吴守国(中国科学技术大学化学系,安徽合肥230026)摘要:利用胶体晶体模板法和循环伏安电镀法成功地在铜电极表面合成了多孔纳米氧化铜薄膜,并应用于碱性溶液中葡萄糖的直接电催化氧化.制备的修饰电极在5μmol/L~3.2mmol/L的浓度范围内对葡萄糖具Received:201
8、3-05-06;Revised:2013-06-01Foundationitem:SupportedbytheNationalKeyBasicResearch(973)ProgramofChina(2013CB933900).Biography:LIUHao,male,bor
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