Carboxylic-group-functionalized single-walled carbon nanohorns as peroxidase mimetics and their application to glucose detection

文献信息

发布日期 2015-07-28

DOI 10.1039/C5AN01104C

影响因子 4.616

作者

Xian-En Zhao, Jinmao You, Guobao Xu, Hua Wang

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摘要

Carboxylic-group-functionalized single-walled carbon nanohorns (SWCNHs-COOH) have been found to possess peroxidase-like activity for the first time. Similar to natural peroxidase, SWCNHs-COOH can catalyze the oxidation of 3,3′,5,5′-tetramethylbenzidine by H2O2 to produce a blue color solution. Compared with horseradish peroxidase, SWCNHs-COOH exhibit higher activity and stability under harsh reaction conditions. The catalytic activity of SWCNHs-COOH depends on the concentration of H2O2. A colorimetric method for glucose detection was developed by combining the SWCNH-COOH catalytic reaction and the generation of H2O2 by the enzymatic oxidation of glucose with glucose oxidase. Taking into account the advantages of good stability, high biocompatibility in aqueous solutions, being metal-catalyst free, and high purity, SWCNHs-COOH are expected to have potential applications in biotechnology and clinical diagnostics as enzymatic mimics.

期刊推荐

Molecular Pharmacology

Israel Journal of Chemistry

Pharmacological Reviews

Fibre Chemistry

Nature

Russian Chemical Reviews

Pure and Applied Chemistry

Journal of Medicinal Chemistry

Organic Preparations and Procedures International

Journal of Heterocyclic Chemistry

来源期刊

Analyst

CiteScore: 7.8

自引率: 5.6%

年发文量: 653

Analyst publishes analytical and bioanalytical research that reports premier fundamental discoveries and inventions, and the applications of those discoveries, unconfined by traditional discipline barriers.

Carboxylic-group-functionalized single-walled carbon nanohorns as peroxidase mimetics and their application to glucose detection

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