to produce embryogenic callus and somatic embryos, tendril explants were collected and cultured in ms medium supplemented with various concentrations of hormones. after one month most of explants produced callus. the highest percent of embryogenic callus obtained in ms medium supplemented with 4.5 µm bap and 1µm 2,4-d. production of somatic embryos was depended on genotype and medium. yaghouti ...

clarithromycin (clm) is a member of macrolide family with broad spectrum antibiotic activity. it is practically insoluble in water and its poor solubility is ph dependent. in this study, series of nanosuspensions containing clm and stabilizer such as hpmc, nacmc, polysorbate 80, poloxamer 188 and polyvinyl alcohol in various ratios were prepared using sonoprecipitation method. briefly, clm was ...

the aim of this investigation was to assess the in vitro interaction of two antifungal agents, econazole-nitrate and chelerythrine, against ten fluconazole-resistant clinical isolates and one atcc type strain 10231 of candida albicans. the checkerboard microdilution method was performed according to the recommendations of the national committee for clinical laboratory standards, and the results...

nowadays organizations seriously search for their overall improvements with the aim of achieving to the organizational excellence. organizations can’t manage their programs efficiently without using comprehensive model due to examine and reform their programs. because of these needs and problems, in this thesis we are analyzing the performance management system at the department of the assessme...

abstract. vegetation of each region is one of the most important phenomena of nature and is the best guide to judge about the ecological sciences of that region because the plants are resistant organisms that have endured the long term conditions of all kinds of environmental conditions for a long period of time and have adapted with environmental stresses. therefore floristical investigation o...

normal 0 false false false en-us x-none ar-sa background : coblation tonsillectomy is a new surgical technique and demands further research to be proven as a suitable and standard method of tonsillectomy. this study compares coblation and traditional tonsillectomy techniques in view of their advantages and complications. methods : in a prospective double-blind randomized controlled trial inform...

background: many types of single-use blades are manufactured with different designs and materials. there have been several reports of difficulties in obtaining a view of the glottis with single-use laryngoscopes. the purpose of this prospective study was to compare the quickness and the success rate of endotracheal intubations with two different laryngoscope blades: disposable laryngoscope blad...

background autism spectrum disorder (asd) is a intricate childhood neuropsychiatric disorder that is described by deficits in communication of verbal and non-verbal, reciprocal social interactions, stereotypic behaviors, interests, and activities. the studies of post-mortem neuro-anatomical anomalies have indicated that migration alterations could occur early during development (first trimester...

abstract introduction: today, there is a global tendency to teaching anatomy courses at the same time with clinical skills during medical education period. this project was designed to determine the effect of an integrated course of physical examination and trunk anatomy on second year medical students' knowledge of anatomy and their attitude towards this method of learning anatomy. method...