A "turn-on'' carbon nanotube-Ag nanoclusters fluorescent sensor for sensitive and selective detection of Hg2+ with cyclic amplification of exonuclease III activity

作者：Wang, Guangfeng; Xu, Gang; Zhu, Yanhong; Zhang, Xiaojun^*

来源：Chemical communications, 2014, 50(6): 747-750.

DOI：10.1039/c3cc46716c

• DNA DETECTION
• SIGNAL AMPLIFICATION
• ENERGY-TRANSFER
• BASE-PAIRS
• GOLD
• BIOSENSOR
• NANOPARTICLES

With exonuclease III activity on DNA hybrids containing thymine-Hg2+-thymine, a label-free ultrasensitive "turn-on'' fluorescent sensor involving "quenching'' and "reappearing'' processes based on a carbon nanotube-Ag nanoclusters system is demonstrated for amplified determination of Hg2+.

• 出版日期2014
• 单位安徽师范大学