A superquenched DNAzyme-perylene complex: a convenient, universal and low-background strategy for fluorescence catalytic biosensors

被引:29
作者
Fu, Ting [1 ]
Zhao, Xu-Hua [1 ]
Bai, Hua-Rong [1 ]
Zhao, Zi-Long [1 ]
Hu, Rong [1 ]
Kong, Rong-Mei [2 ]
Zhang, Xiao-Bing [1 ]
Tan, Weihong [1 ]
Yu, Ru-Qin [1 ]
机构
[1] Hunan Univ, Mol Sci & Biomed Lab, State Key Lab Chemo Biosensing & Chemometr, Coll Chem & Chem Engn,Coll Biol, Changsha 410082, Hunan, Peoples R China
[2] Qufu Normal Univ, Key Lab Life Organ Anal, Coll Chem & Chem Engn, Qufu 273165, Shandong, Peoples R China
关键词
TURN-ON DETECTION; DNA ENZYME; PROBE; ACID; LEAD; SENSITIVITY; SELECTIVITY; IONS;
D O I
10.1039/c3cc43054e
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Taking advantage of the super-quenching effect of the cationic perylene derivative on adjacent fluorophores, we for the first time reported a DNAzyme-perylene complex-based strategy for constructing fluorescence catalytic biosensors with improved sensitivity.
引用
收藏
页码:6644 / 6646
页数:3
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