期刊
CHEMICAL COMMUNICATIONS
卷 47, 期 21, 页码 6027-6029出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc10563a
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资金
- National High-Tech Research and Development Plan [2007AA10Z441]
- Special Fund for Agro-scientific Research in the Public Interest of China [200903056]
Mercury ions (Hg(2+)) can specifically interact with the thymine-rich Hg(2+) aptamer and malachite green (MG) to form the Hg(2+) aptamer-MG-Hg(2+) complex, inducing the increase of resonance scattering (RS) intensity at 611 nm, which enables the label-free detection of Hg(2+) in aqueous solution with high selectivity and a detection limit of 1.7 nM.
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