conclusions the rabies virus np could be extracted and purified in an appropriate amount from infected cell culture. the results of sds-page analysis showed that the intact rabies virus np had been purified properly and thus could be used for further steps to produce the specific diagnostic rabies conjugate. results the volume of the lysate was 15 ml and it became 2.5 ml after purification, wit...

introduction: discharge of textile wastewater causes the reduction of sunlight penetration, interferes with the receiving waters ecology and damage the environment. the aim of this study was to determine the removal efficiency of reactive blue 19 dye from aqueous solutions by cuttlefish bone powder. materials & methods: this study was performed experimentally and in laboratory scale. in this re...

transferrin acts as a vehicle for iron transportation between the absorption, storage and utilization sites in the body and, besides iron, its two highaffinity iron-binding site are capable of binding to 29 other elements. in physiological and pathophysiological conditions, transferrin’s properties are different and close attention to these properties is required. for further investigation for ...

the rhizome of anemarrhena asphodeloides is used as food and traditional chinese medicine for its hypoglycemic effect. the aim of this study was to investigate the isolation, purification and hypoglycemic activity of anemaran as the active component. the influence factors (isolation duration, ratio of residuals to water and extracting times) during the isolation process were evaluated. the opti...

introduction: scorpion venoms contain a variety of peptides, toxic to mammals، insects and crustaceans and are the main factors in scorpion venom toxicity (their amount being 1-3% of total venom). most of the scorpion toxins have been isolated from the venoms of scorpions in the buthidae family. the scorpion buthotus schach of this family is widely found in the western regions of iran, but no p...

the goal of this research was to isolate and identify the thermostable alkaline protease producing bacteria among several native iranian microorganisms. at the end of screening program, a bacillus subtilis bp-36 strain producing thermophilic alkaline protease was isolated from a hot spring in ardebil province. the target enzyme was purified using a one-step aqueous two-phase systems (atps) prot...