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首页> 外文期刊>Biosensors & Bioelectronics: The International Journal for the Professional Involved with Research, Technology and Applications of Biosensers and Related Devices >Photoelectrochemical platform for cancer cell glutathione detection based on polyaniline and nanoMoS(2) composites modified gold electrode
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Photoelectrochemical platform for cancer cell glutathione detection based on polyaniline and nanoMoS(2) composites modified gold electrode

机译：基于聚苯胺和Nanomos（2）复合材料改性金电极的癌细胞谷胱甘肽检测的光电化学平台

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摘要

Herein, a visible light photoelectrochemical (PEC) platform based on polyaniline (PANI) and nanoMoS(2) composites as optoelectronic material for glutathione detection without any auxiliary of biomolecules or labeled materials was developed. Firstly, the nanoMoS(2) was prepared via a simple ultrasound exfoliation method. The PANI was synthesized by chemical oxidative polymerization method. Then composite of PANI and nanoMoS(2) was used to modify gold electrode. It was found that the composite membrane showed excellent PEC properties. And glutathione enhanced the PEC signal greatly. Based on this finding a method for glutathione detection was fabricated. Under the optimum conditions, the linear response of glutathione concentrations ranged from 1.0 x 10(-10) to 1.0 x 10(-4) mol L-1 was obtained with a detection limit of 3.1 x 10(-11) mol L-1. The relative standard deviation was 2.9% at 2.0 x 10(-9) M (n = 10). This method showed high sensitivity and simpleness which opened up a new promising signal-on PEC platform for future bioassay.
机译：在此，显着基于聚苯胺（PANI）和纳米MOS（2）复合材料的可见光光电子化学（PEC）平台，作为用于谷胱甘肽检测的光电子，而没有生物分子或标记材料的任何辅助物。首先，通过简单的超声剥离方法制备纳米核苷（2）。通过化学氧化聚合方法合成PANI。然后使用PANI和NANOMOS（2）的复合材料来改变金电极。发现复合膜显示出优异的PEC性质。谷胱甘肽大大提高了PEC信号。基于该发现，制造了一种谷胱甘肽检测方法。在最佳条件下，谷胱甘肽浓度的线性响应范围为1.0×10（-10）至1.0×10（-4）摩尔L-1，检测限为3.1×10（-11）摩尔L-1 。相对标准偏差为2.0×10（-9）m（n = 10）。该方法显示出高度灵敏度和简单性，为未来的生物测定进行了高度有希望的信号PEC平台。

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