NADP+/NADPH Colorimetric Assay Kit (WST-8)
中文名称:NADP+/NADPH 比色法试剂盒(WST-8法)
货号:GBQ226
价格: ¥1350.00
产品详情
检测原理 |
测定NADP+和NADPH总量:
葡萄糖-6-磷酸(G6P)在葡萄糖-6-磷酸脱氢酶(G6PDH)的作用下氧化生成6-磷酸葡萄糖酸内酯(6-PG),在这一反应过程中NADP+被还原为NADPH;生成的NADPH在电子耦合试剂1-mPMS的作用下将WST-8还原生成橙黄色的formazan,在450 nm左右有最大吸收峰。反应体系中生成的formazan与样品中NADP+和NADPH的总量呈比例关系。 单独测定NADPH的量: 样本提取后,60℃水浴加热30分钟,样本中的NADP+会分解而只保留NADPH。 NADPH将WST-8还原成formazan,通过比色法确定生成的formazan的量,最终可以单独测定样本中NADPH的量。 测定NADP+以及NADP+/NADPH的比值: 根据前两步检测获得的NADP+和NADPH总量以及NADPH单独的量,即可得到样本中NADP+的量以及NADP+/NADPH的比值。 在上述测定过程中,NAD+和NADH对测定结果无影响。 |
指标简称 | NADP/NADPH |
灵敏度 | 0.02 μmol/L |
检测范围 | 0.02-5.0 μmol/L |
精密度 | 批间差:5.5% | 批内差:2.1% |
样本量 | 50-200 μL(tissue/cell homogenate) |
检测时间 | 1 h 10 min |
保存条件 | 该产品可在-20°C避光条件下保存6个月。 |
有效期 | 6个月 |
产品结果图
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