Alkanol effects on fluorescence quenching of Safranine T by thiourea in reverse micellar medium of Aerosol-O-T in heptane

被引：13

作者：

Nandi, S ^{[1
]}

Bhattacharya, SC ^{[1
]}

机构：

[1] Jadavpur Univ, Dept Chem, Chem Phys Sect, Kolkata 700032, W Bengal, India

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2001年 / 186卷 / 03期

关键词：

fluoresecence quenching; reverse micelle; Safranine T; alkanol;

D O I：

10.1016/S0927-7757(00)00822-0

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The fluorescence characteristics of Safranine: T (ST) (3,6-diamino-2,7-dimethyl-5 phenyl phenazinium chloride) in presence of thiourea have been studied in reverse micelles of Aerosol-O-T in heptane and in presence of alkanols. From the results of the fluorescence quenching of ST by thiourea the occupancy number of the quencher in the reverse micelle (RM), and the binding constant of the quencher with the RM have been determined using Encinas-Lissi equation. The alkanols added are found to affect the quenching process. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：179 / 187

页数：9

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