摘要
AnovelphotoelectrochemicalbiosensorincorporatingnanosizedCdSsemiconductorcrystalswithenzymetoenhancephotochemicalreactionhasbeeninvestigated.CdSnanoparticlesweresynthe-sizedbyusingdendrimerPAMAMasinnertemplates.TheCdSnanoparticlesandglucoseoxidase(GOD)wereimmobilizedonPtelectrodevialayer-by-layer(LbL)techniquetofabricateabiological-inorganichybridsystem.Underultravioletlight,thephoto-effectoftheCdSnanoparticlesshowedenhancementofthebiosensortodetectglucose.PtnanoparticlesweremixedintotheNafionfilmtoimmobilizetheCdS/enzymecompositesandtoimprovethechargetransferofthehybrid.Experimentalresultsdemon-stratethedesirablecharacteristicsofthisbiosensingsystem,e.g.asensitivityof1.83A/(mMcm2),lowerdetectionlimit(1M),andacceptablereproducibilityandstability.
出版日期
2009年05月15日（中国期刊网平台首次上网日期，不代表论文的发表时间）
