Turn-on fluorescence detection of pyrophosphate anion based on DNA-attached cobalt oxyhydroxide

被引：13
|
作者：
Li, Na [1 ]
Zhu, Yu Die [1 ]
Liu, Ting [1 ]
Liu, Shi Gang [1 ]
Lin, Shu Min [1 ]
Shi, Yan [1 ]
Luo, Hong Qun [1 ]
Li, Nian Bing [1 ]
机构：
[1] Southwest Univ, Key Lab Ecoenvironm Three Gorges Reservoir Reg, Minist Educ, Sch Chem & Chem Engn, Chongqing 400715, Peoples R China
来源：
NEW JOURNAL OF CHEMISTRY | 2017年 / 41卷 / 05期
基金：
中国国家自然科学基金;
关键词：
ASCORBIC-ACID; SENSING PLATFORM; SYNOVIAL-FLUID; LIVING CELLS; NANOPROBE; WATER; CALCIFICATION; HYDROTALCITE; RECOGNITION; NANOSHEETS;
D O I：
10.1039/c6nj03491h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The turn-on fluorescence of pyrophosphate anion (PPi) was detected using DNA-attached cobalt oxyhydroxide. The fluorescence signal was quenched when carboxyfluorescein-labeled ssDNA was adsorbed by CoOOH nanoflakes through electrostatic interaction. With the addition of target PPi, PPi competed with DNA for CoOOH nanoflakes, resulting in turn-on fluorescence.
引用
收藏
页码：1993 / 1996
页数：4
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