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SOURCE OF BACTERIOCIDIC ULTRA-VIOLET RADIATION AND FLOW OF NANO-PARTICLES OF ZINC AND COPPER OXIDE FOR APPLICATIONS IN MICROBIOLOGY, MEDICINE AND NANOTECHNOLOGY
SOURCE OF BACTERIOCIDIC ULTRA-VIOLET RADIATION AND FLOW OF NANO-PARTICLES OF ZINC AND COPPER OXIDE FOR APPLICATIONS IN MICROBIOLOGY, MEDICINE AND NANOTECHNOLOGY
Сторінки: 209-215. Номер: №4, 2019 (275)
Автори:
O. SHUIABOV, A. MALININA, V. DANYLO
State Higher Educational Institution “Uzhhorod National University”
V.CHYHIN
National Lend Forces Academy, Lviv
O.SHUIABOV, A. MALININA, V. DANYLO
State Higher Educational Institution “Uzhhorod National University”
V. CHYHIN
National Lend Forces Academy, Lviv
DOI: https://www.doi.org/10.31891/2307-5732-2019-275-4-209-215
Рецензія/Peer review : 09.06.2019 р.
Надрукована/Printed : 17.07.2019 р.

Анотація мовою оригіналу

The use of gas-discharge sources of bactericidal ultraviolet radiation in biomedical engineering, such as lamps on vapor or amalgam of mercury, xenon and inert gas halide molecules, has recently received significant development. In addition to the ultraviolet radiation factor in various applications in medicine, biology and agrotechnologies, other factors of the gas discharge that are realized in open sources based on atmospheric pressure air are also important. Thus the characteristics of the source based on the flare corona, whose use for plasma pretreatment of lettuce seeds, showed that the germination of the treated seeds increases by more than 25% after the treatment. Characteristics of an open, overvoltage nanosecond discharge in air at atmospheric pressure between copper electrodes with an ectonic mechanism for introducing copper vapor into the discharge gap. This discharge is a point source of ultraviolet radiation in the spectral range of 200-230 nm. A more detailed study of this discharge revealed that, simultaneously with ultraviolet radiation, it is a source of a stream of copper oxide nanostructures deposited on a glass substrate. Nanostructures based on zinc and copper oxides are characterized by a pronounced antimicrobial effect. Therefore, the development of new methods for the simultaneous production of bactericidal ultraviolet radiation and fluxes of transitional metal nanoparticles, which allow to strengthen the inactivation and antimicrobial properties of gas-discharge air plasma, are of considerable interest for applications in microbiology, medicine and agricultural technologies. This report presents the pulsed plasma-chemical reactor device, the parameters and optical characteristics of the plasma of over-stressed nanosecond discharge between copper and zinc electrodes, and the results of the investigation of nanostructure characteristics of these metals oxides.
Keywords: gas-discharge, ultraviolet radiation, halide molecules, plasma-chemical reactor, copper and zinc electrodes

Розширена анотація англійською мовою

The use of gas-discharge sources of bactericidal ultraviolet radiation in biomedical engineering, such as lamps on vapor or amalgam of mercury, xenon and inert gas halide molecules, has recently received significant development. In addition to the ultraviolet radiation factor in various applications in medicine, biology and agrotechnologies, other factors of the gas discharge that are realized in open sources based on atmospheric pressure air are also important. Thus the characteristics of the source based on the flare corona, whose use for plasma pretreatment of lettuce seeds, showed that the germination of the treated seeds increases by more than 25% after the treatment. Characteristics of an open, overvoltage nanosecond discharge in air at atmospheric pressure between copper electrodes with an ectonic mechanism for introducing copper vapor into the discharge gap. This discharge is a point source of ultraviolet radiation in the spectral range of 200-230 nm. A more detailed study of this discharge revealed that, simultaneously with ultraviolet radiation, it is a source of a stream of copper oxide nanostructures deposited on a glass substrate. Nanostructures based on zinc and copper oxides are characterized by a pronounced antimicrobial effect. Therefore, the development of new methods for the simultaneous production of bactericidal ultraviolet radiation and fluxes of transitional metal nanoparticles, which allow to strengthen the inactivation and antimicrobial properties of gas-discharge air plasma, are of considerable interest for applications in microbiology, medicine and agricultural technologies. This report presents the pulsed plasma-chemical reactor device, the parameters and optical characteristics of the plasma of over-stressed nanosecond discharge between copper and zinc electrodes, and the results of the investigation of nanostructure characteristics of these metals oxides.
Keywords: gas-discharge, ultraviolet radiation, halide molecules, plasma-chemical reactor, copper and zinc electrodes

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