Supramolecular assembly of a new squaraine and β-cyclodextrin for detection of thiol-containing amino acids in water

被引：7
作者：
Luo, Chao [1 ]
Zhou, Qianxiong [1 ]
Lei, Wanhua [1 ]
Wang, Jianguang [1 ]
Zhang, Baowen [1 ]
Wang, Xuesong [1 ]
机构：
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Photochem Convers & Optoelect Mat, Beijing 100190, Peoples R China
来源：
SUPRAMOLECULAR CHEMISTRY | 2011年 / 23卷 / 09期
关键词：
squaraine; beta-cyclodextrin; thiol-containing amino acids; molecular recognition; LARGE EMISSION SHIFT; FLUORESCENT-PROBE; AGGREGATION BEHAVIOR; LIVING CELLS; RISK FACTOR; HOMOCYSTEINE; CYSTEINE; PLASMA; MEDIA; DYES;
D O I：
10.1080/10610278.2011.603730
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new unsymmetrical aniline-based squaraine (SQ2) bearing binding unit of Hg2+ ion was designed and synthesised. SQ2 can form 1:2 inclusion complex with beta-cyclodextrin, and the resulting complex, which undergoes absorption and fluorescence bleaching upon binding Hg2+, can serve as a turn-on colorimetric or fluorescent chemosensor in organic solvent-free aqueous solution for thiol-containing amino acids with high selectivity and tunable measuring range.
引用
收藏
页码：662 / 668
页数：7
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