Sarcoma nomograms: a light over the darkness
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The effect of light-dark cycle alteration on thermal and chemical pain in the male rat
Background: Animals have an internal biological clock with melatonin hormone that helps them to adapt to light/dark circles. Since melatonin is associated with an alteration in the expression and production of opioid receptors, this study aimed to evaluate the effect of changes in the light/dark circles on pain sensation in rats. Methods: This research study in order to investigate the thermal...
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Trehalose is a non-reducing sugar that plays an important role in plant growth and development. To study the role of trehalose on lipid metabolism and gluconeogenesis, Arabidopsis thaliana wild type (WT) and TreF (a line expressing trehalase) were grown on ½ MS medium with or without 100 mM sucrose and or trehalose in light or continuous darkness. In dark, trehalose leads skotomorphoge...
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The aim of present study was to investigate the effect of explants types, in light and darkness condition on propagation of lateral plantlets and also to investigate the effect of type and concentrations of carbohydrates on the regeneration of Catasetum orchid plantlets in two experiments. First experiment for propagation of lateral plantlets was done with two types of explants, shoot tips and ...
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The dialectical principle of light and darkness is one of the Moqani’s wisdom identifications which has been transferred to Islamic period due to continuation of Iranian spirituality. Two celestial principles spenta-mainyu and angra-mainyu in Jervani teachings were mentioned under the title of Ahmad (sal’am) and Satan as principles for guidance and aberrance respectively, by some of Islamic mys...
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