Modulation of Intramolecular Charge Transfer Emission Inside Micelles: A Fluorescence Probe for Studying Microenvironment of Micellar Assemblies

被引：4
|
作者：
Samanta, Anuva [1 ]
Paul, Bijan Kumar [1 ]
Guchhait, Nikhil [1 ]
机构：
[1] Univ Calcutta, Dept Chem, Kolkata 700009, India
来源：
JOURNAL OF FLUORESCENCE | 2012年 / 22卷 / 01期
关键词：
Micelle; N; N-Dimethylaminonaphthyl-(acrylic)-acid ethyl ester; Fluorescence; Charge transfer; Critical micelle concentration (CMC); Urea; NONIONIC MICELLES; POLAR-SOLVENTS; EXCITED-STATES; UREA; SYSTEMS; DYNAMICS; PARA-(N; N-DIMETHYLAMINO)BENZONITRILE; 4-(N; ENVIRONMENTS; SEPARATION;
D O I：
10.1007/s10895-011-0959-3
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Modulation of intramolecular charge transfer reaction of ethyl ester of N,N-Dimethylaminonaphthyl-(acrylic)-acid (EDMANA) in anionic sodium dodecyl sulfate (SDS), cationic cetyltrimethylammonium bromide (CTAB) and non-ionic p-tert-octylphenoxy polyoxyethanol (Triton-X 100, TX-100) micelles has been addressed using steady state and time resolved spectroscopy. The interaction of the CT probe EDMANA with micelles and its location inside the micelles have been investigated by the study of fluorescence spectral band position of EDMANA in micelle, the effective polarity of micelle-water interface and cetyl pyridinium chloride induced fluorescence quenching measurement. The effects of urea on the properties of the micelles such as Critical Micelle Concentration and the interaction between EDMANA and micelles have been explored using EDMANA as emission probe.
引用
收藏
页码：289 / 301
页数：13
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