Random dsDNA-templated formation of copper nanoparticles as novel fluorescence probes for label-free lead ions detection

• Published in: Chemical communications (Cambridge, England) Vol. 48; no. 7; pp. 1057 - 1059
• Main Authors: Chen, Junhua, Liu, Jie, Fang, Zhiyuan, Zeng, Lingwen
• Format: Journal Article
• Language: English
• Published: England 25.01.2012
• Subjects: aqueous solutions; Cations, Divalent - analysis; chemical communication; chemical reactions; Copper - chemistry; copper nanoparticles; DNA - chemistry; fluorescent dyes; Fluorescent Dyes - chemistry; ions; lead; Lead - analysis; Nanoparticles - chemistry; Sensitivity and Specificity; Spectrometry, Fluorescence - methods

A simple label-free method for the detection of Pb(2+) ions 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.