Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 17, Issue 35, Pages 9691-9696Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201100389
Keywords
analytical methods; cyanide detection; fluorescent probes; gold; nanoparticles
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Funding
- National Natural Science Foundation of China [20974084]
- Program of NCET
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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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