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IJBB Vol.41(2&3) [April-June 2004] >


Title: Mixed micelles of cationic surfactants and sodium cholate in water
Authors: Varade, Dharmesh
Patel, Vijay
Bahadur, Anita
Bahadur, Pratap
Vethamuthu, Martin Swanson
Keywords: Bile salts
Cationic surfactants
Mixed micelles
Interaction parameter
Issue Date: Apr-2004
Publisher: CSIR
Abstract: Critical micelle concentrations (CMCs) of cationic surfactant (alkyltrimethylammonium bromides, CnTABr, where n = 10, 12, 14, 16 and 18), and a bile salt sodium cholate (NaC) were determined from surface tension, conductance and dye solubilization methods, while of their equimolar mixtures from surface tension and dye solubilization methods. The interaction parameter (β) obtained from analysis of data, using Rubingh’s theory showed strong interaction between NaC and cationic surfactant. Time-resolved fluorescence-quenching results revealed small-sized mixed spherical micelle with aggregation number much less than micelles of cationic surfactant.
Page(s): 107-112
ISSN: 0301-1208
Source:IJBB Vol.41(2&3) [April-June 2004]

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