期刊
CHEMICAL COMMUNICATIONS
卷 48, 期 37, 页码 4459-4461出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cc30384a
关键词
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资金
- National High-Tech Research and Development Plan [2012AA101405]
- Special Fund for Agro-scientific Research in the Public Interest of China [200903056]
- National Natural Science Foundation of China [31071860]
- Shanghai Jiao Tong University for Postgraduation
As(III) specifically interacts with an arsenic-binding aptamer to form an As(III)-aptamer complex, so that the following cationic polymer can aggregate gold nanoparticles (AuNPs) and cause a remarkable change in color, which enables the colorimetric detection of As(III) with high selectivity and a detection limit of 5.3 ppb.
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