Effect of UV radiation transmitted through light-correcting films on the enzymatic activity of oil-polluted soil

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Abstract

The effect of photoluminescent (light-correcting) polymeric films on the enzymatic activity of microorganisms in oil-polluted soil was investigated under laboratory conditions. The efficiency of the use of films as a covering material containing organic and inorganic photoluminophores was studied under the UV-irradi-ation of the soil polluted with oil products in a concentration of up to 50 g/kg. The application of light-correcting films increases the activity of enzymes in oil-polluted soil: catalase by a factor of 2-4, dehydrogenase 2.5, urease 4.5, polyphenoloxidase and peroxidase by a factor of 2-3. In this situation, as chromatographic investigations showed, biodegradation of oil hydrocarbons polluting the soil proceeds 5-6 times faster in comparison with the reference versions for which a usual polymeric high-pressure polyethylene film was used.

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