N. M. Zadymova, Z. N. Skvortsova, Yu. D. Aleksandrov, I. Yu. Ilina
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引用次数: 0
Abstract
The key properties of aqueous Tween 80 micellar solutions as means for the delivery of biologically active substances inhibiting the reproduction of various pathogens have been studied in order to develop innovative methods for plant protection. It has been shown that these solutions exhibit no negative effects upon the contact with potato leaves. The wetting isotherms plotted for aqueous Tween 80 solutions have confirmed the hydrophilization of a potato leaf and a hydrophobic polymer film simulating its surface. The maximum adsorption of Tween 80 on the polymer surface has been determined by combining the methods of tensiometry and wetting, thereby making it possible to predict the structure of the adsorption layer of this surfactant on the surface of the potato leaf. A significant increase in the velocity of penetration into the leaf has been recorded for Tween 80 micellar solutions characterized by the maximum wetting ability.
期刊介绍：
Colloid Journal (Kolloidnyi Zhurnal) is the only journal in Russia that publishes the results of research in the area of chemical science dealing with the disperse state of matter and surface phenomena in disperse systems. The journal covers experimental and theoretical works on a great variety of colloid and surface phenomena: the structure and properties of interfaces; adsorption phenomena and structure of adsorption layers of surfactants; capillary phenomena; wetting films; wetting and spreading; and detergency. The formation of colloid systems, their molecular-kinetic and optical properties, surface forces, interaction of colloidal particles, stabilization, and criteria of stability loss of different disperse systems (lyosols and aerosols, suspensions, emulsions, foams, and micellar systems) are also topics of the journal. Colloid Journal also includes the phenomena of electro- and diffusiophoresis, electro- and thermoosmosis, and capillary and reverse osmosis, i.e., phenomena dealing with the existence of diffusion layers of molecules and ions in the vicinity of the interface.
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