A simple and sensitive sensor for rapid detection of sulfide anions using DNA-templated copper nanoparticles as fluorescent probes

• Published in: Analyst (London) Vol. 137; no. 23; pp. 5502 - 5505
• Main Authors: Liu, Jie, Chen, Junhua, Fang, Zhiyuan, Zeng, Lingwen
• Format: Journal Article
• Language: English
• Published: Cambridge Royal Society of Chemistry 01.01.2012
• Subjects: Analytical chemistry; Anions; Aqueous solutions; Chemistry; Copper; DNA; Exact sciences and technology; Fluorescence; Fluorescent Dyes; General, instrumentation; Metal Nanoparticles; Nanoparticles; PARTICLES; Sensors; SOLUTIONS; Spectrometric and optical methods; SULFIDES; Sulfides - analysis; Nanoparticle; Fluorescence; Selectivity; Method; Chemical sensor; Probe; Fluorescence spectrometry; Sulfides; Double stranded DNA; Sensitivity; Fluorescent labelling; Aqueous solution; Copper; Detection

A simple and rapid method for the detection of S(2-) anions with high selectivity and sensitivity has been developed by using random double-strand DNA-templated formation of copper nanoparticles as novel fluorescence probes in aqueous solution.