Aqueous solution properties, biodegradability, and antimicrobial activity of some alkylpolyglycosides surfactants / M. M. A. El-Sukkary in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 46, N° 5/2009 (09-10/2009)

[article]  inTENSIDE, SURFACTANTS, DETERGENTS > Vol. 46, N° 5/2009 (09-10/2009) . - p. 311-316 Titre : Aqueous solution properties, biodegradability, and antimicrobial activity of some alkylpolyglycosides surfactants Type de document : texte imprimé Auteurs : M. M. A. El-Sukkary, Auteur ; W. I. M. El-Azab, Auteur ; S. M. Helmy, Auteur ; Aiad Ismail, Auteur ; N. A. Syed, Auteur Année de publication : 2009 Article en page(s) : p. 311-316 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Alkyl polyglycosides Antimicrobiens Biodégradation Surfactants Thermodynamique Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : In the present investigation, a series of alkyl polyglycosides with alkyl chain length of C 8, 9, 10, 12 and 14 were synthesized using transacetalization method. Purity of the products was investigated using high performance liquid chromatography. Surface parameters particularly Effectiveness "pi"cmc, Efficiency PC20, maximum surface excess "gamma" max, minimum surface area Amin and HLB values are investigated, in addition to thermodynamic parameters ("Delta" Gads and "Delta Gmic). resistance to hydrolysis for the prepared compounds was investigated. The synthesized compounds were tested for their biodegradability in Nile river water according to die-away test method and their antimicrobial activity against different strains of bacteria, yeast and fungi was investigated. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=6253 [article]

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