A new facile route for synthesis of 3- (aryl) -8, 9- di (alkyl) thieno [3,2-e] [1,2,4] triazolo pyrimidines derivative from the same starting material, 2- amino - 4,5 -di (alkyl) thiophene-3- carboxamide, has been developed through heterocyclization of the corresponding arylidene-hydrazino -5,6 -di (alkyl) thieno [2,3-d] pyrimidine under refluxing condition with acetic anhydride followed by air...

background: this study was designed to evaluate the correlation between subjective data obtained from a questionnaire and clinical examination among students in shiraz university of medical sciences. materials and methods: in this cross-sectional prospective study, the samples consisted of 200 subjects, with equal distribution between males and females. subjects’ ages ranged from 18 to 30 years...

in this article, a mathematical model describing the growth orterminating myelogenous leukemia blood cancer's cells against naive t-celland eective t-cell population of body, presented by fractional dierentialequations. we use this model to analyze the stability of the dynamics, whichoccur in the local interaction of eector-immune cell and tumor cells. wewill also investigate the optima...

heat stress is a common occupational health hazard at outdoor workplaces especially in a hot-humid climate. overheating of the body can cause a number of problems, including heat rash, heat cramps, dizziness, heat exhaustion, and heat stroke. the present study aimed to assess heat stress indices including di, wbgt, and sw req /phs, as a mean to estimate the heat load on the employees of a petro...

background: phthalate esters have been shown to cause reproductive toxicity in both developing and adult animals. objective: this study was designed to assess long-term effects of maternal exposure to di (2-ethylhexyl) phthalate (dehp) on reproductive ability of both neonatal and adult male offspring. materials and methods: 60 female rats randomly divided in four equal groups; vehicle control a...