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《基于石墨烯納米復(fù)合材料的生物傳感器分析》由會員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、英文摘要current—time(i-t)curvemethod．WeinvestigatedtheeffectofPBandRGOonthesensitivityofsensor,anddiscussedanti．interferenceandclinicalapplicationofthesensor．PartII：Constructionofpesticidebiosensorbasedonprussianblue／graphene—goldnanoparticals-p—cyclodextrin(PB／RGO-AuNPs。p。CD)compositemembran
2、e．Step1：ElectrochemicaldepositionofRGO-AuNPs-p—CDmembraneontheelectrodewerecarriedoutbycontrolledpotentialmethod．Step2：ElectrochemicaldepositionofPB．CSmembraneonthemodifiedelectrodewascarriedoutbyCV．Step3：TheCSwithgoodbiologicalcompatibilitywasusedasacarrierforthehi曲lyefficientimmobilizat
3、ionofAChE．OrganophosphoruspesticideandcarbamatepesticidesareusuallydetectedbasedonmeinhibitionoftheAChEbythesecompounds．TheinhibitionoforganophosphoruspesticideandcarbamatepesticidesonAChEresultsindecreaseofproducedthiocholine，andtheoxidationcurrentdecreasesaccordingly．Theorganophosphorus
4、pesticideandcarbamatepesticidesCanbedetectedbymeasuringthedeclineoftheoxidationcurrentofthiocholine．Theelectrodesurfacewascharacterizedbyscanningelectronmicroscopy(SEM)method．Thecurrentresponsesofthebiosensortoacetylthiocholinechloridewereresearchedbythei-tcurvemethod．Theeffectofinhibitio
5、ntime，AChEreactivation，stability,selectivityandrepeatabilityofsensorwerediscussed，andfinallythebiosensorwasusedtodetecttherecoveryoftherealsamples．Results：1Preparation，characterizationofgrapheneanditsapplicationinglucosebiosensors1．1Graphenepreparedbythisexperimentwasstableandcouldbedirec
6、tlyusedinthemodificationoftheelectrodewithoutanytreatment．AsshowninXRD，thecrystalstructureofgraphitewasdestroyed，whilecrystalintegritydeclinedandtheflakelayerbecamesmallerduringtheredoxprocess，英文摘要．indicatingthegraphenewasobtained．Ultravioletabsorbancespectrashowedthattheoxygen．containing
7、functionalgroupsonthesurfaceofthegrapheneoxidewasreducdedgraduallyandⅡ-JIconjugatesystemwasrestored，whichdemonstratedthesuccessfulpreparationofgrapheneonceagain．TheelectroconductivityofdifferentmodifiedelectrodessurfacewascharacterizedbvCV．Theresultsshowthattherespo
