background: l-glutamic acid is one of the major amino acids that is present in a wide variety of foods. it is mainly used as a food additive and flavor enhancer in the form of sodium salt. corynebacterium glutamicum (c. glutamicum) is one of the major organisms widely used for glutamic acid production. methods: the study was dealing with immobilization of c. glutamicum and mixed culture of c. g...

a new model is proposed in this research to calculate the longitudinal strengthof unidirectional e-glass reinforced polymer composites exposed to sulfuricacid environment, using a micromechanics model. in the proposed method,it is assumed that the residual strength of the degraded composites under acidic environment can be calculated by knowing the degraded strength properties of the constituen...

plants of asteraceae are used in traditional medicine and phytotherapy. the two main caffeic acid derivatives, chicoric and caftaric acid which are found in many genus of asteraceae including echinacea exhibit important biological activities. the level of these acids in e. purpurea is affected by many factors such as growing situations, extraction methods, storage conditions and plant age. in t...

introduction: epilepsy is a chronic neurological disorder in which patients experience spontaneous recurrent seizures and deficiency in learning and memory. although the most commonly recommended therapy is drug treatment, some patients do not achieve adequate control of their seizures on existing drugs. new medications with novel mechanisms of action are needed to help those patients whose sei...

introduction: bread made ​​from wheat flour is an important source of minerals such as iron and zinc, but its phytic acid content is a contributing factor that can cause decreased absorption of these minerals. this survey aimed to determine phytic acid content in different types of bread and dough consumed in yazd, iran. materials and methods: a descriptive, cross-sectional study was carried ou...

methemoglobinemia is a disorder characterized by the presence of a higher than normal level of methemoglobin. prilocaine which is one of the oxidizing local anaesthetics is widely used in many local procedures. the first choice of treatment of complications due to the use of these local anaesthetics is methylene blue, while ascorbic acid is the alternative choice. the side effects of metilen bl...

background combining different analgesic drugs for improvement of drug efficacy is a recommended strategy intended to achieve the optimal therapeutic effects. objectives the purpose of the present study was to assess the nature of the interaction between ascorbic acid and two analgesic drugs, morphine and tramadol. materials and methods the analgesic activity was assessed by the acetic acid wri...