期刊
ANALYST
卷 137, 期 11, 页码 2637-2642出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2an35130g
关键词
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资金
- Fujian Province Natural Science Foundation [2010J01053]
- Science and Technology Program of Fujian Education Hall [JK2010035, JA10277, JA11311, JA11164]
- Zhangzhou Institute of Technology Foundation [ZZY1101, ZZY1106]
Based on the ability of lysine (Lys) to enhance the fluorescence intensity of bovine serum albumin modified-carbon dots (CDs-BSA) to decrease surface defects and quench fluorescence of the CDs-BSA-Lys system in the presence of Cu2+ under conditions of phosphate buffer (PBS, pH = 5.0) at 45 degrees C for 10 min, a sensitive Lys enhancing CDs-BSA fluorescent probe was designed. The environment-friendly, simple, rapid, selective and sensitive fluorescent probe has been utilized to detect Cu2+ in hair and tap water samples and it achieved consistent results with those obtained by inductively coupled plasma mass spectroscopy (ICP-MS). The mechanism of the proposed assay for the detection of Cu2+ is discussed.
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