Synthesis of pharmacological dyes and their application on synthetic fabrics / Mounir A. I. Salem in COLORATION TECHNOLOGY, Vol. 131, N° 4 (08/2015)  

[article]  inCOLORATION TECHNOLOGY > Vol. 131, N° 4 (08/2015) . - p. 288-297 Titre : Synthesis of pharmacological dyes and their application on synthetic fabrics Type de document : texte imprimé Auteurs : Mounir A. I. Salem, Auteur ; Magda I. Marzouk, Auteur ; Hamada Mashaly, Auteur Année de publication : 2015 Article en page(s) : p. 288-297 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antimicrobiens Colorants -- Synthèse Colorants azoïques Essais (technologie) Essais de résilience Fibres polyesters Teinture -- Fibres textiles synthétiques Index. décimale : 667.3 Teinture et impression des tissus Résumé : Seven new azo dyes were prepared by linking various amino derivatives to barbituric acid through diazo coupling reactions. The structures of the azo dyes were identified by elemental analyses and by Fourier transform infrared, proton nuclear magnetic resonance, and mass spectral data. The barbituric acid dyes exist in five different tautomeric forms, with the Fourier transform infrared and proton nuclear magnetic resonance spectra confirming the existence of these dyes in triketo tautomeric form in the solid state and in the diketo form in the liquid state. All the compounds were tested for their antibacterial, antifungal, anticancer, and antioxidant activity. The prepared dyestuffs were dyed on polyester fabrics, and subsequently their dyeing properties and their light, washing, perspiration, rubbing, and sublimation fastness were determined. Note de contenu : - EXPERIMENTAL : Materials and apparatus - General procedure for the synthesis of diazo dyes 4 to 10 - Antimicrobial activity - Preparation of the test compounds - Testing for antibacterial and yeast activity - Testing for antifungal activity - Cytotoxicity assay - MIT assay - Antioxidant assay - Bleomicin-dependent DNA damage - Bleomycin-dependent DNA damage assay - Dyeing and fastness determinations - RESULTS AND DISCUSSION : Antimicrobial activity - Pharmalogical activity - Structure relationship - Fastness to washing - Fastness to perspiration (acid alkaline) - Fastness to rubbing - Fastness to sublimation - Fastness to light - Colour assessment DOI : 10.1111/cote.12155 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12155 Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24428 [article]

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