نتایج جستجو برای: enzymes activity
تعداد نتایج: 1215948 فیلتر نتایج به سال:
Background & Aim: Hexokinase and pyruvate kinase are two regulatory enzymes of glycolytic pathway in erythrocytes. Increasing evidence suggests that cigarette smoking which produces free radicals and oxidative stress can cause damage to body macromolecules such as proteins and enzymes. The aim of the present study was to investigate the susceptibility of key enzymes of erythrocytes glycolyt...
Abstract Background and objective: There is increasing evidence for the role of oxidative stress in female reproductive tract. The purpose of this study was to determine the activity of antioxidant enzymes during menstrual cycle. In addition, the relationship between activity of antioxidant enzyme and sex hormones was evaluated. Materials and methods: In this study the activity of superoxi...
The effects of irrigation, dry farming and drought treatments on the activities of antioxidant enzymes including superoxide dismutase, ascorbate peroxidase, catalase and peroxidase in barley leaves at different generative growth stages under field conditions were investigated. Three senescence parameters including chlorophyll, total soluble protein and rubisco large subunit protein loss, were a...
asparaginase and amylase are widely used enzymes in various industries, which can be produced by endophytic fungi. in this study, the ability of producing these two enzymes in endophytic fungi isolated from six species of thymus has been reported for the first time in the world. among 89 isolates of the test, 34 isolates produced asparaginase among which m24 (fusarium subglutinans) displayed th...
the effect of salinity was assessed on the activity of some major antioxidant enzymes i.e., superoxide dismutase (sod), peroxidase (pod), catalase (cat), in the seedlings’ roots or shoots of three winter canola (brassica napus l.) cultivars, colvert (tolerant), symbol (semi tolerant) and agat (susceptible). seedlings were treated with 0 (control), 50, 100 and 150 mm nacl for 24 h in hydropoic c...
Partial purification of xylanase produced by Aspergillus niger strain AUMC 14230 is carried out with 80% saturation ammonium sulfate under pH5.0 as first step. The second step in partial Acetone 2.5/1 (v/v). last gill filtrations which give the highest specific from both enzymes. Many factors affecting on purified enzymes. best activity was till 72 hrs and decreased (8.8% & 10.9%), respectivel...
water and soil salinity are two of the most important limiting factors in crop production. phosphatase enzymes are widely found in plants. phosphatase enzymes are responsible for de-phosphorylation of organic phosphate and altering it to mineral phosphate. germination experiments were conducted using two bread wheat cultivars, namely, iniya66 and ghods along with application of different nacl p...
background: hydatid cysts are formed in human body can be treated clinically by surgery or drugs such as albendazole (abz) and mebendazole (mbz). the purpose of this study was comparing the effects of abz and mbz on glutathione-s-transferase, alkaline phosphatase and protease enzymes activities in protoscoleces of hydatid cyst. methods: the culture supernatants containing the parasite excretory...
Objectives: Liver is one of the most sensitive tissues to oxidant damage. Hence, the present study was conducted to compare the effects of Melissa officinalis (MO) extract and Atorvastatin on the activity of liver enzymes in rats. Materials and Methods: In this experimental study, 60 male Wistar rats were selected and allocated to six groups (n=10). The control group received a normal diet, sha...
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