期刊
BIOSENSORS & BIOELECTRONICS
卷 63, 期 -, 页码 276-286出版社
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2014.07.052
关键词
Electrochemical detection; Electrochemical sensors; Inorganic nanomaterials; Organic materials; Biomaterials; Heavy metal ions
类别
资金
- National Special Project for Key Scientific Apparatus Development [2012YQ170000302]
- National Basic Research Program [2010CB732400]
- National Natural Science Foundation of China [21105046, 21135002, 21121091]
- PhD Fund for Young Teachers [20110091120012]
- Natural Science Foundation of Jiangsu [BK2011552]
As heavy metal ions severely harm human health, it is important to develop simple, sensitive and accurate methods for their detection in environment and food. Electrochemical detection featured with short analytical time, low power cost, high sensitivity and easy adaptability for in-situ measurement is one of the most developed methods. This review introduces briefly the recent achievements in electrochemical sensing of heavy metal ions with inorganic, organic and bio-materials modified electrodes. In particular, the unique properties of inorganic nanomaterials, organic small molecules or their polymers, enzymes and nucleic acids for detection of heavy metal ions are highlighted. By employing some representative examples, the design and sensing mechanisms of these electrodes are discussed. (C) 2014 Elsevier B.V. All rights reserved.
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