The possibility of development of new coating materials based on oligopiperylene styrene modified with alkoxysilane and galvanic sludge as a pigment-filler is presented in this article. The nanostructure of the coating surface and the influence of the composition and nature of the components of paint and varnish materials on its property are studied. These materials are intended for protection buildings from the effects of adverse factors.
The activity of succinate dehydrogenase (SDH) changed during maize (Zea mays L.) seed germi nation. On the fifth day of germination, the activity was the highest, which might be evidently explained by accelerated utilization of stored carbohydrates and lipids. Subsequent decrease in SDH activity might be related to metabolism switching to autotrophic nutrition. The correlation was found between the levels of sdh1 1 and sdh1 2 gene transcription and the extent of methylation of their promoters. During seed germi nation, promoter methylation of genes encoding the subunit A of SDH was activated, which resulted in sup pression of their transcription. It is suggested that this mechanism may play an important role in the regula tion of sdh1 1 and sdh1 2 gene transcription in plant tissues.
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