期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 17, 期 35, 页码 9691-9696出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201100389
关键词
analytical methods; cyanide detection; fluorescent probes; gold; nanoparticles
资金
- National Natural Science Foundation of China [20974084]
- Program of NCET
We report a simple fluorescence method for detection of cyanide sensitively and selectively based on the dissolution of polymer-coated gold nanoparticles by cyanide. The lowest concentration for quantification of cyanide ions was 3.0 x 10(-7) M, and other common anions nearly have no influence. Furthermore, several real water samples spiked with cyanide, including local groundwater, tap water, boiled water, and lake water, were analyzed, and the experimental results demonstrated that our sensing system worked well in the above water samples, with a good linear correlation.
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