[The use of impulse plasma-optical ultraviolet technologies for ensuring microbial safety of the space station environment].

Purpose of the work was to study usability and efficiency of UV decontamination units aboard space station. UV-radiators were high-intensity xenon flashbulbs, as well as standard mercury and amalgam lamps; subjects were reference strains and test-microorganisms isolated from the ISS environment. Quantities of viable airborne and superficial microorganisms were determined before and after UV irradiation. The sanitary-microbiological assessment involved visual and microscopic counting of colony-forming units on material samples (CFU/100 cm2) and Petri dishes after air sampling (CFU/m3 of air). Continuous spectrum of high-intensity pulsed UV was demonstrated to be effective against contamination both by vegetative and high-resistant bacterial spores and molds.

[Hygienic evaluation of the effectiveness of the use of impulse ultraviolet radiation sources in railway transport]. / Gigienicheskaia otsenka éffektivnosti primeneniia impul'snykh ul'trafioletovykh obluchatelei na zheleznodorozhnom transporte.

The paper covers the use of impulse ultraviolet radiation sources for disinfecting the air and inside surfaces of the premises of railway station buildings and the water of long-distance passenger trains.