2 条结果 关键词:富勒烯 ×

Potentiometric urea biosensor based on an immobilised fullerene-urease bio-conjugate.

Sensors (Basel, Switzerland) 2013 Saeedfar K, Heng LY, Ling TL, Rezayi M

本文报道一种基于固定化富勒烯-脲酶生物偶联物的电位法尿素生物传感器。通过超声、加热和紫外辐照在富勒烯表面引入羧基,再利用EDC或DCC将脲酶共价固定化于C60-COOH,形成C60-urease生物偶联物。将该生物材料沉积到含非增塑聚正丁基丙烯酸酯(PnBA)膜并包埋氢离子载体的丝网印刷电极上,构成pH选择性电位传感器。脲酶催化尿素...

Fullerene-nitrogen doped carbon nanotubes for the direct electrochemistry of hemoglobin and its application in biosensing.

Bioelectrochemistry (Amsterdam, Netherlands) 2013 Sheng Q, Liu R, Zheng J

本文报道了固定在富勒烯-氮掺杂碳纳米管/壳聚糖(C60-NCNTs/CHIT)复合基质中血红蛋白(Hb)的直接电化学行为。循环伏安法和电化学阻抗谱用于表征修饰电极。在除氧缓冲液中,Hb/C60-NCNTs/CHIT 复合膜修饰电极呈现一对良好的氧化还原峰,形式电位 E°′ 为 –0.335 (±0.3) V(vs. SCE),对应 ...