nepeta satureioides boiss. has been used in traditional medicine of eastern countries and is famous for its medicinal properties. the aim of this study was to evaluate the effect of methanol (meoh), n -hexane and dichloromethane (ch 2 cl 2 ) fractions of the extract on melanin synthesis and oxidative stress in b16f10 melanoma cell line. the b16f10 cell line viability after treatment with increa...

Background and objectives: ZatariamultifloraBioss. (ZM) has shown several effects in gastrointestinal, respiratory and nervous system. In this study, the effect of Z. multiflora was examined in colon cancer cell lines of Caco-2. Methods: Total extract and petroleum ether, chloroform and methanol fractions of the plant were prepared us...

Alkaline/surfactant/polymer (ASP) flooding has been extensively applied to enhancing oil recovery. As an oil displacement agent, pe1troleum sulfonate (PS) is widely used in ASP pilot experiments. It is very important to find a petroleum sulfonate with a high interfacial activity and low adsorption loss. Anionic surfactant petroleum sulfonate is synthesized in a single-tube film sulfonation reac...

background: salvia mirzayanii, a native plant to iran, is shown to have immunomodulatory effects on lymphocyte proliferation. objective: to identify the bioactive immunomodulatory compound(s) present in s. mirzayanii. methods: the crude extract was fractionated to five fractions in two steps using different solvents. the fractions were subjected to bioassay-guided fractionation. all the fractio...

the aim of this study was to assess the conversion of forest to vineyard on different physical pools of organic matter in zrebar lake watershed. soil samples were collected from the two major land use types including forest and vineyard land at 0-30; 30-60, and 60-90-cm depths. in each land use, different soc fractions were measured. according to the results of size fractionation of organic car...

Background: Marine seaweeds synthesize different types of compounds with various biological activities, including anti-tuberculosis and anticancer effects. Objective: The aim of this study was to evaluate anti tuberculosis of Padina australis and cytotoxicity of different fractions of this seaweed. Methods: Padina australis was collected from coasts of Persian Gulf, identified and e...