Faiz Warsi, Sameer Shakeel Ansari, Abbul Bashar Khan, Maroof Ali
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Revealing the Molecular Interaction of Surface Active Ionic Liquids [C8mim][Cl] and [C10mim][Cl] with Anionic Dye Eosin Yellow: A Comparative Study with Analogous Cationic Surfactants
Aggregation behaviour of two cationic surfactants octyltrimethylammonium bromide [OTMAB], decyltrimethylammonium bromide [DTMAB] and two surface active ionic liquids 1-methyl-3-octylimidazolium chloride [C8mim][Cl], 1-methyl-3-decylimidazolium chloride [C10mim][Cl] with anionic dye eosin yellow were investigated by conductometry, UV–Visible spectroscopy and fluorescence spectroscopy. Decrease in CMC of SAILs/surfactants is observed in presence of eosin yellow. Spectroscopic analysis demonstrates a shift in spectra of dye which implies SAILs/surfactants interaction with dye. Binding constant (Ka) obtained by UV–Visible spectroscopy and fluorescence spectroscopy follows the sequence [C10mim][Cl] > [C8mim][Cl] and [DTMAB] > [OTMAB]. The binding constant seems to be mostly dependent on the carbon chain length of these SAILs as well as surfactants.
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Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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