期刊
LUMINESCENCE
卷 28, 期 4, 页码 530-535出版社
WILEY
DOI: 10.1002/bio.2489
关键词
sonochemistry; Ag nanoclusters; electrogenerated chemiluminescence; dopamine
资金
- National Natural Science Foundation of China [21105068, 21075084]
We report a facile one-pot sonochemical approach to preparing highly water-soluble Ag nanoclusters (NCs) using bovine serum albumin as a stabilizing agent and reducing agent in aqueous solution. Intensive electrogenerated chemiluminescence (ECL) was observed from the as-prepared Ag (NCs) and successfully applied for the ECL detection of dopamine with high sensitivity and a wide detection range. A possible ECL mechanism is proposed for the preparation of Ag NCs. With this method, the dopamine concentration was determined in the range of 8.3x10(-9) to 8.3x10(-7)mol/L without the obvious interference of uric acid, ascorbic acid and some other neurotransmitters, such as serotonin, epinephrine and norepinephrine, and the detection limit was 9.2x10(-10)mol/L at a signal/noise ratio of 3. Copyright (c) 2013 John Wiley & Sons, Ltd.
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