Ультрафіолетове опромінення препарату «KENO CID 210»

Abstract

The effectiveness of the process of photoactivation of aqueous solutions has been proven by studies conducted in the article. As a method of exposure, UV radiation is low-cost and natural, so there is a need to study the effect of ultraviolet radiation on aqueous disinfectant solutions and to determine effective methods of irradiation. Accordingly, there is a need to investigate the effect of UV radiation on disinfectants, in particular on their antimicrobial properties and to determine the effective effect of ultraviolet radiation on the tool. The high pressure mercury arc lamp DRT-400 lamp was used as a source of ultraviolet radiation. The surface of the aqueous solution was at a distance of 0.25 m under a source of UV radiation. The photoactivated liquid was applied to the agar medium immediately after inoculation of bacteria. The growth of colonies of microorganisms was recorded 24 hours after application of the treated disinfectant solution. At the Department of Electrical Engineering, Electromechanics and Electrical Technologies of NULES of Ukraine measurements of pH, redox potential of disinfectant solutions immediately after irradiation were carried out. Graphical dependences of changes of disinfecting properties are received. It is established that ultraviolet radiation significantly changes the pH and redox potential of aqueous solutions of disinfectants. The intensity of the parameter change is characteristic of ultraviolet radiation at an exposure of 5-15 minutes. Irradiation of сoncentrated disinfectant based on quaternary ammonium and glutaraldehyde «Keno Cid 210» solution for 5 minutes effectively inhibits the growth properties of microorganisms. The concentration of the irradiated aqueous disinfectant solution can be 5 times lower than the concentration of the non-irradiated.