功能材料
功能材料
공능재료
JOURNAL OF FUNCTIONAL MATERIALS
2012年
7期
863-867
,共5页
于志辉%任翠华%李钒%夏定国%程水源
于誌輝%任翠華%李釩%夏定國%程水源
우지휘%임취화%리범%하정국%정수원
聚吡咯%葡萄糖氧化酶%电化学性能
聚吡咯%葡萄糖氧化酶%電化學性能
취필각%포도당양화매%전화학성능
polypyrrole%glucose oxidase%electrocatalytic properties
采用电沉积法在玻碳(GC)电极表面合成纳米级聚吡咯(PPy),通过扫描电镜得到PPy的形貌。以PPy为载体,通过吸附法固定葡萄糖氧化酶(GOD),得到GOD/PPy/GC电极。利用循环伏安法对GOD/PPy/GC电极的电化学行为进行分析,结果表明,以PPy为载体可以很好地固定GOD并保持其生物活性。在0.1mol/L磷酸盐缓冲溶液中,无任何电子媒介体存在时,GOD/PPy/GC电极显示了很好的电催化性能。
採用電沉積法在玻碳(GC)電極錶麵閤成納米級聚吡咯(PPy),通過掃描電鏡得到PPy的形貌。以PPy為載體,通過吸附法固定葡萄糖氧化酶(GOD),得到GOD/PPy/GC電極。利用循環伏安法對GOD/PPy/GC電極的電化學行為進行分析,結果錶明,以PPy為載體可以很好地固定GOD併保持其生物活性。在0.1mol/L燐痠鹽緩遲溶液中,無任何電子媒介體存在時,GOD/PPy/GC電極顯示瞭很好的電催化性能。
채용전침적법재파탄(GC)전겁표면합성납미급취필각(PPy),통과소묘전경득도PPy적형모。이PPy위재체,통과흡부법고정포도당양화매(GOD),득도GOD/PPy/GC전겁。이용순배복안법대GOD/PPy/GC전겁적전화학행위진행분석,결과표명,이PPy위재체가이흔호지고정GOD병보지기생물활성。재0.1mol/L린산염완충용액중,무임하전자매개체존재시,GOD/PPy/GC전겁현시료흔호적전최화성능。
Nano-polypyrrole(PPy) were prepared on glassy carbon(GC) electrodes by electrodeposited method.The morphology of the PPy was obtained by scanning electron microscopy(SEM).The GOD/PPy/GC electrode was prepared by immobilization glucose oxidase(GOD) on the PPy.The electrocatalytic properties of GOD/PPy/GC electrode were characterized by cyclic voltograme method;the results showed that GOD can be immobilized on the nano-PPy and the biological activation of GOD was retained.The GOD/PPy/GC electrode exhibits good eleccatalytic performance without any electron mediator at the medium of phosphate buffer(0.1mol/L).