Ruthenium(II) complex-based fluorescent sensor for peroxynitrite

被引：16
|
作者：
Ma, Jingjin [1 ]
Wu, Jiasheng [1 ]
Liu, Weimin [1 ]
Wang, Pengfei [1 ]
Fan, Zhiyuan [1 ]
机构：
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Photochem Convers & Optoelect Mat, Beijing 100190, Peoples R China
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2012年 / 94卷
关键词：
Peroxynitrite; Fluorescent sensor; Ruthenium(II) complex; O-Dealkylation reaction; NITRIC-OXIDE; MEDIATED OXIDATION; LIVING CELLS; OXYGEN; PROBES; OXYHEMOGLOBIN; SUPEROXIDE; NITRATION; MECHANISM; PATHWAYS;
D O I：
10.1016/j.saa.2012.03.067
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
We have developed a new ruthenium complex, Ru(bpy)(2)[4-(2,2'-bipyridin-4-yloxy)phenol]Cl-2 (RuL), as a fluorescent sensor to detect peroxynitrite (ONOO-). The results showed that the addition of ONOO- to the aqueous solution of RuL would result in distinct fluorescence quenching at 600 nm. Rid. exhibits a good selectivity for ONOO- over other reactive oxygen species (ROS) and reactive nitrite species (RNS), and the reaction time is less than 1.5s. The sensing mechanism is proposed as the oxidative O-dealkylation reaction. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：340 / 345
页数：6
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