A sensor for glycoproteins based on dendritic gold nanoparticles electrodeposited on a gold electrode and modified with a phenylboronic acid

被引：0
作者：
Dongdong Shen
Yunchun Liu
Ying Fang
Peng Li
Zhousheng Yang
机构：
[1] Anhui Normal University,College of Chemistry and Materials Science, Anhui Key Laboratory of Chemo
来源：
Journal of Solid State Electrochemistry | 2015年 / 19卷
关键词：
Horseradish peroxidase; Phenylboronic acid derivatives; Electrodeposition; Dendritic gold nanoparticles;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We describe a gold electrode capable of recognizing glycoproteins (as exemplified for the model protein horseradish peroxidase; HRP). It is based on the interaction between the cis-diol groups of the glycoprotein and the boronate groups of 4-mercaptophenylboronic acid (MPBA) that was self-assembled on dendritic gold nanoparticles electrodeposition on the surface of a gold electrode. The modified electrode exhibits linear electrochemical response to HRP in the 2.5 nM to 25 μM concentration range. The detection limit is 0.5 nM at a signal-to-noise ratio of 3.
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页码：563 / 568
页数：5
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