谷胱甘肽过氧化物酶分析试剂盒
产品名称: 谷胱甘肽过氧化物酶分析试剂盒
英文名称: GPx
产品编号: 8238
产品价格: 0
产品产地: 美国ScienCell
品牌商标: ScienCell
更新时间: null
使用范围: null
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谷胱甘肽过氧化物酶分析试剂盒 货号8238
Glutathione peroxidase (GPx) is an antioxidant enzyme located in cytoplasma and mitochondria. It catalyzes the reduction of hydrogen peroxide (H2O2) and a variety of organic hydroperoxides (R-O-O-H) to water and the corresponding stable alcohols (R-OH) using glutathione as the reducing reagent, thus inhibiting the formation of free radicals and protecting the cells from oxidative damage. The ScienCell GPx Assay provides an indirect method to quantify the activity of total glutathione peroxidase. In this assay, oxidized glutathione, produced upon reduction of peroxide substrate by glutathione peroxidase, is then recycled back to glutathione using glutathione reductase and NADPH. The oxidation of NADPH to NADP+ is monitored by a decrease in the absorbance at 340 nm. Since all other reagents are provided in excess, the GPx activity is rate-limiting. The rate of decrease in A340nm is directly proportional to the GPx activity. In this assay, cumene hydroperoxide is used as the peroxide substrate, so the total GPx (selenium and non-selenium containing) activity in a variety of samples can be measured.
酶活力检测 |
英文缩写 |
中文名称 |
规格 |
价格 |
8068 |
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100 Tests |
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8238 |
GPx |
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100 Tests |
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