نتایج جستجو برای: coronilla varia
تعداد نتایج: 803 فیلتر نتایج به سال:
Nine compounds (1-9) were isolated from the fruiting bodies of Stropharia rugosoannulata. Compounds 1-5, 8, and 9 suppressed the formation of osteoclast. Compounds 2 and 5 showed anti-fungal activity, and their MIC were 250 µM and 500 µM respectively. Compounds 2-6 showed inhibitory effects on thapsigargin toxicity.
The phases of the annual cycle for migratory species are inextricably linked. Yet, less than five percent of ecological studies examine seasonal interactions. In this study, we utilized stable hydrogen isotopes to geographically link individual black-and-white warblers (Mniotilta varia) captured during spring migration with breeding destinations to understand a migrant's stopover strategy in th...
هدف: در این پژوهش اثر دو عنصر روی و نیکل بر آناتومی برگ و دو نوع متابولیت ثانویه برگ (فلاونوئیدها و نیتروتوکسین ها) در گیاه یونجه تاجی مورد بررسی قرار گرفت. مواد و روش ها: گیاهان 40 روزه که به مدت 24 و 72 ساعت در شرایط هیدروپونیک در تنش با غلظتهای 0، 5/7، 15، 5/22 و 30 میلی مولار کلرید روی و 0، 5/2 ، 5 ، 5/7 و 10 میلی مولار کلرید نیکل قرار گرفته بودند برداشت و آناتومی برگ ها بررسی گردید. مطالع...
Polyphenols constitute a distinct group of natural compounds of medicinal importance exhibiting wide range of physiological activities as antioxidant, immunestimulant, antitumor and antiparasitic. Yellow fever and dengue fever are mosquito-borne infectious diseases transmitted by Aedes aegyptii, the presence of yellow fever in Sudan and dengue fever in Saudi Arabia are threats to Egypt with the...
Equilibrium experiments of chromium(III) biosorption by microalga (Spirulina sp.) and macroalga (Pithophora varia) were investigated in this paper. Influence of the following process parameters was studied: pH, biomass concentration and temperature. The equilibrium of the process was described with Langmuir equation. The model parameters were determined at various process conditions. The best o...
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