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- 详细信息
- 文献和实验
- 技术资料
- 库存:
大量
- 英文名:
β-Nicotinamide adenine dinucleotide, reduced disodium salt hydrate
- CAS号:
606-68-8
- 保质期:
2年
- 供应商:
上海瓦兰生物
- 保存条件:
-20°
- 规格:
50MG
性质
| Related Categories | Bulk vials, Cofactors, Cofactors and Substrates,Core Bioreagents, NAD(P)(H) and Analogs, 更多... |
| InChI Key | FWBNCIFELNNJCX-UHOVGGJYSA |
| Quality Level | PREMIUM |
| assay | ≥97% (HPLC) |
| ≥97% (spectrophotometric assay) | |
| storage temp. | −20°C |
产品描述
包装
1, 5 g in poly bottle
50, 100, 500 mg in poly bottle
Packaged by solid weight.
Application
β-Nicotinamide adenine dinucleotide (NAD+) and β-Nicotinamide adenine dinucleotide, reduced (NADH) comprise a coenzyme redox pair (NAD+:NADH) involved in a wide range of enzyme catalyzed oxidation reduction reactions. In addition to its redox function, NAD+/NADH is a donor of ADP-ribose units in ADP-ribosylaton (ADP-ribosyltransferases; poly(ADP-ribose) polymerases ) reactions and a precursor of cyclic ADP-ribose (ADP-ribosyl cyclases).
As a reagent, NADH can be used in enzyme cycling assays to amplify detection of activity of biologically relevant enzymes or metabolites present in low concentrations.
Biochem/physiol Actions
NADH is a coenzyme that functions as a regenerating electron donor in catabolic processes including glycolysis, β-oxidation and the citric acid cycle (Krebs cycle, TCA cycle). It participates in cell signaling events as well, for example as a substrate for the poly (ADP-ribose) polymerases (PARPs) during the DNA damage response. The NAD+/NADH dependent sirtuins play key roles in stress responses during events involving energy metabolism, with implications in cancer biology, diabetes and neurodegenerative disease.
As a reagent, NADH can be used in enzyme cycling assays to amplify detection of activity of biologically relevant enzymes or metabolites present in low concentrations.
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文献和实验烟酰胺腺嘌呤二核苷酸 nicotinamide ade-nine dinucleotide
烟酰胺腺嘌呤二核苷酸 nicotinamide ade- nine dinucleotide 缩写 NAD。也称二磷酸吡啶核苷酸(缩写 DPN),或辅脱氢酶( codehydrogenase) Ⅰ或辅酶Ⅰ。在 260毫微米处具有最大紫外吸收光谱,通过各种脱氨酶,从底物中接受一个氢原子和一个电子,变成还原型。 E′ 0=-0.32V。这时吡啶环被还原,由于在 340毫微米处有最大吸收,所以对反应的进行可以测定。这个反应也能可逆地进行。因此 NAD 可作为各种脱氨酶的一种共同
(neuronal nitrous oxide synthesis , nNS) mRNA 或还原型烟酰胺腺嘌呤二核苷酸磷酸( reduced form of nicotinamide-adenine dinucleotide phosphate ,NADPH) 阳性神经元明显减少的观点一致[ 13 ] 。我们采用向小鼠单侧脑室一次性注射可溶性Aβ1~40 (1g·L - 1 ×3μl) 进行药效学研究,发现Aβ1~40能引起小鼠学习记忆能力下降, 皮层MDA 含量增加, T-AOC 活力下降,MAO-B 活性
,可见其利用能量的效率是很高的。叶绿体则是通过光合磷酸化反应来合成ATP。即叶绿体吸收光量子后将它用于进行希尔反应及偶联磷酸化反应由烟酰胺腺嘌呤二核苷酸(NADP )、ADP、无机磷酸(Pi)和水反应生成还原型烟酰胺腺嘌呤二核苷酸(NADPH)、ATP,氢离子(H )和氧气。由一个NADP 生成 1个NADH需要 4个光量子,但形成一个NADPH偶联产生的ATP数目前尚未完全肯定,大致有1、1.33和2三种说法。 细胞从光量子或氧化有机物获取能量以生成ATP分子,再通过ATP
技术资料








