2 条结果 关键词:电导检测 ×

A novel conductance glucose biosensor in ultra-low ionic strength solution triggered by the oxidation of Ag nanoparticles.

Analytica chimica acta 2015 Song Y, Chen J, Liu H, Li P 等 6 人

本文报道了一种简单、灵敏且有效的葡萄糖检测方法,通过监测含柠檬酸封端银纳米颗粒(CCAgNPs)的超低离子强度溶液电导变化实现葡萄糖检测。在氧气饱和溶液中,葡萄糖氧化酶(GOD)首先催化葡萄糖氧化为葡萄糖酸,同时氧气被还原为过氧化氢(H2O2)。随后,H2O2将CCAgNPs氧化为Ag+,并同步释放柠檬酸封端剂。生成的Ag+、葡萄糖...

Mathematical modeling of a tethered bilayer sensor containing gramicidin A ion channels.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference 2009 Monfared SM, Krishnamurthy V, Cornell B

本文针对含多粘菌素A(gramicidin A, gA)离子通道的系联双分子层生物传感器(tethered bilayer biosensor, ICS)建立数学模型,研究其化学动力学与电动力学响应。传感器由金电极上固定的脂质单分子层和可移动外脂质单分子层组成,两层中的gA通道随机对齐形成二聚体,在100–300 mV偏压下允许离子...