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INTRODUCTION Euxyl K400 is a widely used preservative in cosmetics, topical drugs, cutting fluids, etc. This antimicrobial product has two active components: methyldibromoglutaronitrile (MDGN), also known as 1,2-dibromo-2,4-dicyanobutane, and 2-phenoxyethanol, in a proportion of 1 to 4. The aim of this study was to assess the prevalence of sensitization to this preservative in cases in our derm...

in this study, the stability of trinitroglycerin (tng) in polyethylene (peg) 400 was investigated according to arrhenius approach. the reaction rate constant (k) for the thermal disintegration of tng in peg 400 at various temperatures was counted based on the percents of remaining tng at different intervals of time at a specific temperature. the results showed that “k” at 40, 50, 60, 70, 80 and...

INTRODUCTION Modern medical science was born in the Post-Renaissance or counter-reformation era and began to consolidate in the mid-seventeenth century thanks to the work of physicists, physiologists and biologists who were direct or indirect disciples of Galileo. At that time there was a tendency for scientific studies to move away from conservative and traditionalist universities to concentra...