Genotoxic impact of long-term cigarette and waterpipe smoking on DNA damage and oxidative stress in healthy subjects حسب Alsaad A.M.

"…This was associated with a marked decrease (50%) in the expression of detoxifying genes (NQO1 and GSTA1) with an increase in CYP1A1 mRNA expression, a cancer-activating gene. …"
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Modification of Pd/CeO2 catalyst by Atomic Layer Deposition of ZrO2 حسب Onn, Tzia Ming

"…Calcination of the unmodified Pd/CeO2, prepared by precipitation of aqueous Ce(NO3)3 solutions, with Pd added by impregnation, caused a large decrease in surface area and an increase in crystallite size between 673 K and 1073 K; however, catalysts modified by 0.4 nm ZrO2 films showed no change in either surface area or CeO2 crystallite size upon calcination to 1073 K. …"
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The relationship between heavy metal concentration and soil mycoflora in the Gizan region, Saudi Arabia حسب Falih, A. M. [عبد الله مساعد خلف الفالح]

"…There was a high content of total soluble salts in the samples tested. There was a marked decrease in bacterial counts, as well as a significant decline in numbers of actinomycetes, nitrifying bacteria and fungi. …"
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