Journal
NANOSCALE RESEARCH LETTERS
Volume 5, Issue 11, Pages 1856-1860Publisher
SPRINGEROPEN
DOI: 10.1007/s11671-010-9730-y
Keywords
Mercury(II) ion; BSA; Gold nanoprobes; Fluorescent; Detection
Funding
- National High-tech Research and Development Program of China (863 Program) [2007AA03Z354]
- National Natural Science Foundation of China [20703009, 20971020]
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A simple, cost-effective yet rapid and sensitive sensor for on-site and real-time Hg2+ detection based on bovine serum albumin functionalized fluorescent gold nanoparticles as novel and environmentally friendly fluorescent probes was developed. Using this probe, aqueous Hg2+ can be detected at 0.1 nM in a facile way based on fluorescence quenching. This probe was also applied to determine the Hg2+ in the lake samples, and the results demonstrate low interference and high sensitivity.
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