News新品上市 | NAD/NADH和NADP/NADPH比例荧光检测试剂盒
烟酰胺腺嘌呤二核苷酸(NAD,辅酶Ⅰ)和烟酰胺腺嘌呤二核苷酸磷酸(NADP,氧化型辅酶Ⅱ)是细胞中常见的重要辅因子,通过电子交换参与各种代谢反应。
烟酰胺腺嘌呤二核苷酸(NAD,辅酶Ⅰ)和烟酰胺腺嘌呤二核苷酸磷酸(NADP,氧化型辅酶Ⅱ)是细胞中常见的重要辅因子,通过电子交换参与各种代谢反应。
NADH(还原性辅酶I)是NAD的还原态。在氧化还原反应中,NADH作为氢和电子的供体,NAD作为氢和电子的受体,参与多种生理过程,一般与糖酵解和氧化磷酸化有关。NAD与一个磷酸分子以酯键结合形成NADP,NADP作为氧化剂参与光合作用。还原性辅酶II (NADPH)是NADP接受电子后的产物。NADPH作为供氢体可参与体内多种代谢反应,与大分子的生物合成有关,如:脂肪酸和核酸的合成。

图1.NAD(P)+与NAD(P)H之间的转化(PMID: 31376683)
正常生物体内NAD/NADH和NADP/NADPH比率始终处于一个动态平衡的状态,是可以反映出细胞的氧化还原状态的非常重要的指标。
50130 NAD/NADH比率荧光检测试剂盒(红色荧光)
50140 NADP/NADPH比率荧光检测试剂盒(红色荧光)
NAD(P)H可以将试剂盒中探针还原为高荧光产物,其信号可以通过荧光酶标仪(Ex/Em = 540/590 nm)或在比色测定(OD =576 nm)中定量,适用于多种样本。

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图2.NADH标准曲线
加入75 μL NAD/NADH反应液后室温避光孵育30 min后,荧光酶标仪下测量荧光读值

图3.NADPH标准曲线
加入75 μL NADP/NADPH反应液后室温避光孵育30 min后,荧光酶标仪下测量荧光读值。
产品名称 | 产品货号 | 规格 |
NAD/NADH Ratio Fluorimetric Detection Assay Kit (Red Fluorescence) | 250 T | |
NADP/NADPH Ratio Fluorimetric Detection Assay Kit (Red Fluorescence) | 250T | |
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