Study of CLSI-M44-A disk diffusion method for determining the susceptibility of sandida species against novel complexes Deerived from copper stearate with 2-amino benzothiazoles / N. Mathur in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 48, N° 1/2010 (01-02/2011)

[article]  inTENSIDE, SURFACTANTS, DETERGENTS > Vol. 48, N° 1/2010 (01-02/2011) . - p. 23-27 Titre : Study of CLSI-M44-A disk diffusion method for determining the susceptibility of sandida species against novel complexes Deerived from copper stearate with 2-amino benzothiazoles Type de document : texte imprimé Auteurs : N. Mathur, Auteur ; Lal Chand Heda, Auteur ; V. K. Mathur, Auteur ; P. Saxena, Auteur Année de publication : 2011 Article en page(s) : p. 23-27 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Aminobenzothiazoles Antifongiques Diffusion sur disque, Méthodes de Spectroscopie de la résonance magnétique nucléaire Spectroscopie de résonance paramagnétique électronique Spectroscopie infrarouge proche Stéarate de cuivre Surfactants Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : The study of binuclear complexes of copper(II) is a very active and highly interesting field due to their significance in bioinorganic chemistry, magneto chemistry, material science, superconductivity and multi electron redox chemistry. Due to the surface-active properties of copper(II) stearate with 2-aminobenzothiazole, the complexes exhibit many applications in agrochemical industries as dispersing agents, foaming and wetting agents. In the present investigation solid complexes of Cu(II) stearate with 2-amino-6-methoxybenzothiazole and 2-amino-6-nitrobenzothiazole have been synthesized and characterized by elemental analysis and their IR, NMR, ESR spectral studies. All the synthesized complexes are coloured and their purity was checked by Thin Layer Chromatography. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10666 [article]

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Viscometric Behaviour and Micellization of Complexes of Copper (II) Stearate with N-donor Heterocyclic Dyes / N. Mathur in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 46, N° 1/1009 (01-02/2009)

[article]  inTENSIDE, SURFACTANTS, DETERGENTS > Vol. 46, N° 1/1009 (01-02/2009) . - p. 25-30 Titre : Viscometric Behaviour and Micellization of Complexes of Copper (II) Stearate with N-donor Heterocyclic Dyes Type de document : texte imprimé Auteurs : N. Mathur, Auteur ; S. Pooja, Auteur ; A. Imran, Auteur ; K. G. Ojha, Auteur Année de publication : 2009 Article en page(s) : p. 25-30 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Benzothiazoles Colorants Composés hétérocycliques Cuivre -- Composés organiques Jones-Dole, Equation de Moulik, Equation de Phénylthiourée Surfactants Viscosité Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : Colloido-chemical behavior of copper (II) stearate and N-donor ligands in benzene-methanol mixture of varying composition has been investigated by viscometric measurements. The critical micelle concentration values depend upon the composition of solvent mixture and are to be found in close agreement with each other. The general trend observed is that the viscometric parameters with concentration are quite different and the plots are obtained with curvature at a definite concentration corresponding to critical micelle concentration at which there is marked change in the aggregation of the complex molecules. The results of phenylthiourea and benzothiazole complexes in regards to solute-solvent and solute-solute interactions in mixed solvent systems have been discussed in terms of the equations proposed by Moulik and Jones-Dole. The complexes were synthesized with N-donor ligands and copper (II) stearate and characterized by their elemental analysis, molecular weight, melting point, IR and NMR spectral studies. Due to the surface-active properties of copper stearate, the complexes show remarkable applications in industries and are used as emulsifiers, dispersing agents, foaming and wetting agents. N-donor ability of ligands make them useful as intermediates for many organic compounds such as colorants, agrochemical and pharmaceutical. They are good antiviral, antibacterial and antimalerial agents. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3717 [article]

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