A ratiometric fluorescence recognition of guanosine triphosphate on the basis of Zn(II) complex of 1,4-bis(imidazol-1-ylmethyl) benzene

被引：18
|
作者：
Liang, Li Jiao [1 ,2 ]
Zhen, Shu Jun [1 ]
Zhao, Xi Juan [1 ]
Huang, Cheng Zhi [1 ,3 ]
机构：
[1] Southwest Univ, Coll Chem & Chem Engn, Educ Minist, Key Lab Luminescence & Real Time Anal, Chongqing 400715, Peoples R China
[2] Chongqing Three Gorges Univ, Sch Chem & Environm Engn, Chongqing 404000, Peoples R China
[3] Southwest Univ, Coll Pharmaceut Sci, Chongqing 400715, Peoples R China
来源：
ANALYST | 2012年 / 137卷 / 22期
基金：
中国国家自然科学基金;
关键词：
PERFORMANCE LIQUID-CHROMATOGRAPHY; INTRAMOLECULAR CHARGE-TRANSFER; RED-BLOOD-CELLS; TRANSPLANT RECIPIENTS; GTP CONCENTRATIONS; AQUEOUS-SOLUTION; GUANINE; GUANOSINE-5'-TRIPHOSPHATE; ALARMONE; ANIONS;
D O I：
10.1039/c2an35743g
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
As one vital member among the family of phosphates, guanosine triphosphate (GTP) not only plays a very important role in many critical biological processes but also closely associates with definite pathological states. Based on the ratiometric fluorescence response of the zinc complex of 1,4-bis(imidazol-1-ylmethyl) benzene (bix) in this contribution, a highly selective recognition of GTP has been successfully developed. The fluorescence of bix-Zn(II) at 289 nm decreased in the presence of GTP with the appearance of one new emission band at 341 nm, resulting in ratiometric fluorescence changes with the concentration of GTP. With that, ratiometric fluorescence recognition for GTP could be effectively established, and so GTP could be successfully discriminated from other structurally similar anions, including ATP and PPi. Furthermore, bix-Zn(II) also has a ratiometric fluorescence response to DNA sequences containing guanine.
引用
收藏
页码：5291 / 5296
页数：6
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