نتایج جستجو برای: catalase and peroxidase
تعداد نتایج: 16831293 فیلتر نتایج به سال:
introduction: heavy metals are important occupational and environmental pollutants that cause damage to various organs. although there is no effective therapy for such a poisoning, metallothionein has been shown to play a key role in the detoxification of cadmium (cd). evidence in the literature suggests that superoxide dismutase, glutathione peroxidase, and catalase constitute important defens...
The catalase reaction of catalase-peroxidases involves catalase-specific features built into a peroxidase core. An arginine, 20 A from the active-site heme, acts as a molecular switch moving between two conformations, one that activates heme oxidation and one that activates oxoferryl heme reduction by H(2)O(2), facilitating the catalatic pathway in a peroxidase. The influence of the arginine is...
Background & Aims : Considering the high prevalence of oxidative stress and lower total antioxidant status in type 2 diabetic patients, the aim of the present study was to investigate the effects of inulin on total antioxidant capacity , glutathione peroxidase, superoxide dismutase and catalase activities in these patients. Materials & Methods : In this controlled, randomized clinical tri...
In this study, the synthesis of ceria (CeO2) nanoparticles (NPs) was examined by the biosynthesis method. Then, enzyme-like features of synthesized nanoceria were examined. Peroxidase enzyme from fig (Ficus carica) was used as a synthesis and stabilizer reagent. Furthermore, it was investigated whether the obtained nanoceria has superoxide dismutase (SOD), catalase (CAT) and peroxidase (POX) ac...
Introduction: Antioxidant enzymes protect cells against reactive oxygen species. This study investigated the effects of Curcumin and L-Carnitine supplementation on antioxidant enzymes in the body of basketball players after an acute bout of exercise. Methods: 30 female basketball players participated in this quasi-experimental study. After obtaining written consents, the participants were rand...
fire blight, caused by the bacterium erwinia amylovora, is one of the most destructive diseases of plants in the rosaceae subfamily pomoideae. the objective of this study was to determine the level of resistance of 30 pear cultivars and describe the biochemical changes induced in some resistant and susceptible cultivars. the level of resistance was determined by the length of the fire blight le...
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