2 条结果 关键词:细胞色素P450scc ×

Screen-printed electrodes based on carbon nanotubes and cytochrome P450scc for highly sensitive cholesterol biosensors.

Biosensors & bioelectronics 2008 Carrara S, Shumyantseva VV, Archakov AI, Samorì B

本文研究了固定在纳米结构铑–石墨电极上的细胞色素P450scc(CYP11A1)的电子转移行为。多壁碳纳米管(MWCNT)通过滴涂法沉积到铑–石墨电极表面,随后将细胞色素P450scc沉积于MWCNT修饰电极上;同时,将P450scc分别沉积到金纳米粒修饰电极和裸铑–石墨电极上,以与前期工作比较。循环伏安结果表明,MWCNT修饰表面...

Electrochemical study of the interaction between cytochrome P450sccK201E and cholesterol.

Talanta 2004 Antonini M, Ghisellini P, Paternolli C, Nicolini C

本研究采用经定点突变获得的细胞色素P450sccK201E(P450sccK201E)作为识别元件,研究其与胆固醇的酶-底物相互作用,并探索其在胆固醇电化学检测中的应用。检测采用循环伏安法(CV)和计时电流法(chronoamperometry),在屏印电极上进行。通过生化分析比较了突变酶对游离胆固醇、低密度脂蛋白胆固醇(LDL)和...