期刊
ANALYTICAL METHODS
卷 7, 期 13, 页码 5454-5461出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ay00895f
关键词
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资金
- National Natural Science Foundation of China [21365016, 21265014]
- Enhance Comprehensive Strength Project of Ningxia University [8016-18]
Copper sulfide (CuS) nanorods were synthesized via a one-pot hydrothermal approach. The CuS nanorods exhibited intrinsic peroxidase-like activity. The CuS nanorods showed high catalytic activity, good stability and dispersion in water. The CuS nanorods were used as peroxidase mimetics for the colorimetric detection of hydrogen peroxide. This method is simple, inexpensive, highly sensitive, and selective for H2O2 detection with a linear range of 1.0 x 10(-6) to 1.0 x 10(-3) mol L-1 and a detection limit of 1.1 x 10(-7) mol L-1. The color change observable by the naked eye based on the oxidation of o-phenylenediamine (OPD) is the principle underlying the sensing of H2O2 level.
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