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Título

Physicochemical aspects of the liposome-wool interaction in wool dyeing

AutorMartí Gelabert, Meritxell; Barsukov, Leonid I.; Fonollosa Argemi, Jordi; Parra Juez, José Luis; Sukhanov, Stanislav V.; Coderch Negra, M. Luisa
Palabras claveLiposome−wool interaction
Wool dyeing process
DMPC liposomes
Cell membrane complex
Fecha de publicación19-mar-2004
EditorAmerican Chemical Society
CitaciónLangmuir 20(8): 3068-3073 (2004)
ResumenDespite the promising application of liposomes in wool dyeing, little is known about the mechanism of liposome interactions with the wool fiber and dyestuffs. The kinetics of wool dyeing by two dyes, Acid Green 27 (hydrophobic) and Acid Green 25 (hydrophilic), were compared in three experimental protocols: (1) without liposomes, (2) in the presence of phosphatidylcholine (PC) liposomes, and (3) with wool previously treated with PC liposomes. Physicochemical interactions of liposomes with wool fibers were studied under experimental dyeing conditions with particular interest in the liposome affinity to the fiber surface and changes in the lipid composition of the wool fibers. The results obtained indicate that the presence of liposomes favors the retention of these two dyes in the dyeing bath, this effect being more pronounced in case of the hydrophobic dye. Furthermore, the liposome treatment is accompanied by substantial absorption of PC by wool fibers with simultaneous partial solubilization of their polar lipids (more evident at higher temperatures). This may result in structural modification of the cell membrane complex of wool fibers, which could account for a high level of the dye exhaustion observed at the end of the liposome dyeing process.
Descripción6 pages, 6 figures, 4 tables.-- PMID: 15875831 [PubMed].-- Printed version published Apr 13, 2004.
Versión del editorhttp://dx.doi.org/10.1021/la030385+
URIhttp://hdl.handle.net/10261/18824
DOI10.1021/la030385+
ISSN0743-7463 (Print)
1520-5827 (Online)
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