A highly sensitive and selective fluorescent probe for cyanide based on the dissolution of gold nanoparticles and its application in real samples
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× 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 …
based on the dissolution of polymer‐coated gold nanoparticles by cyanide. The lowest
concentration for quantification of cyanide ions was 3.0× 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 …
Abstract
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 3.0×10−7 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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