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1、BiosensorsandBioelectronics28(2011)393–398ContentslistsavailableatScienceDirectBiosensorsandBioelectronicsjournalhomepage:www.elsevier.com/locate/biosAnovelNiO–AuhybridnanobeltsbasedsensorforsensitiveandselectiveglucosedetectionYuaaaba,∗Ding,YixinLiu,JosephParisi,Li
2、chunZhang,YuLeiaDepartmentofChemical,MaterialsandBiomolecularEngineering,Storrs,CT06269-3222,USAbInstituteofMaterialScience,UniversityofConnecticut,Storrs,CT06269-3222,USAarticleinfoabstractArticlehistory:AnovelamperometricnonenzymaticglucosesensorbasedonAu-dopedNiO
3、nanobeltshasbeensuccess-Received8June2011fullyfabricatedandappliedtononenzymaticglucosedetection.ItselectrochemicalbehaviortowardstheReceivedinrevisedform20July2011oxidationofglucosewascomparedwithNiOnanofibersandAumicroparticlespreparedwithasimilar21July2011Accepted
4、procedure.Availableonline28July2011TheNiO–Auhybridnanobeltsmodifiedelectrodedisplaysgreatlyenhancedelectrocatalyticactivitytowardsglucoseoxidation,revealingasynergisticeffectbetweenthematrixNiOandthedopedAu.Keywords:Theas-preparedNiO–Aunanobeltsbasedglucosesensordisp
5、layssignificantlyloweronsetpotential,lowerdetectionlimit,highersensitivity,andwiderlinearrangethanthatofpristineNiOnanofibersmod-GlucoseifiedElectrooxidationelectrode.Moreover,AunanoparticlesdistributedinNiOnanofibersenabledamperometricglucoseNiO–Audetectionwithinsignifi
6、cantinterferencefromascorbicacidanduricacid.TheseresultsindicatethattheNanobeltsNiO–AuhybridnanobeltisapromisingcandidateinthedevelopmentofhighlysensitiveandselectivenonenzymaticElectrospinningglucosesensors.©2011ElsevierB.V.Allrightsreserved.1.Introductionatesandch
7、loride,leadingtodecreasedsensitivity(Wangetal.,2009b).TransitionmetalssuchasCu(Maleetal.,2004;NagyQuantitativeglucosedeterminationiscriticallyimportanttoetal.,2001;Sunetal.,2011)andNi(Luetal.,2009;Youetal.,diabeticpatients.Commercialteststripswhichdetectglucose2003)
8、canalsobeemployedtoconstructnonenzymaticglu-usinganenzyme(glucoseoxidaseorglucosedehydrogenase)cosesensorsowingtotheirelectrocatalyticprop
