Journal
JOURNAL OF SURFACTANTS AND DETERGENTS
Volume 20, Issue 1, Pages 151-158Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11743-016-1906-8
Keywords
Sulfobetaines; Interfacial activity; Biological properties
Funding
- [03/32/DS-PB/ 0601]
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A new method for the preparation of new heterocyclic amine surfactants based on sulfobetaines is proposed. Interfacial activities of the surfactants obtained in aqueous solution were studied by surface tension measurements. The critical micelle concentration, surface excess concentration, minimum area per surfactant molecule, and standard Gibbs energy of adsorption were determined. The adsorption properties of these compounds depend significantly on the alkyl chain length. Alkyl chain length also affects biological properties of the new surfactants, determining the minimum inhibitory concentration and size of inhibited growth zone. The compounds have high antimicrobial activity.
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