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- 210063
- 2025年07月11日
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上海汇谱仪器有限公司
| Cat. Number |
210063
|
| Chemical Name |
P-Nitrophenyl-β-Xylobioside
|
| Mol. Formula |
C16H21NO11
|
| Mol. Weight |
403.34
|
| Qty 1 |
10mg
|
| Qty 2 |
50mg
|
| Appearance |
Off white, freeze dried powder.
|
| Application Notes |
> 95 %
|
| Synonym |
4-Nitrophenyl-β-D-Xylobioside
p-NP Xylobioside. 4-NP Xylobioside PNPX2 |
| Solubility |
Water (5 mg/mL; Clear, colourless to faint yellow solution).
Methanol (50 mg/mL; Clear, colourless to faint yellow solution). |
| References |
A colorimetric substrate for measurement of β-xylanase and β-xylosidase activity. |
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文献和实验The United States consumes approximately 16–17 million barrels of crude oil per day, and the majority is used for electricity, heating, and transportation fuel (1 ). The main constituents of crude oil are linear aliphatics. Clearly
邻硝基苯-β-吡喃半乳糖苷 O－nitrophenyl－β－D－galactopyranoside
缩写为 ONPG。是广泛利用于β -半乳糖苷酶活力测定的底物。水解后可游离出邻硝基酚，由于邻硝基酚在碱性条件下呈黄色（ 420毫微米光吸收），所以容易进行比色定量。另外利用这种性质，还可用于分离各种代谢调节突变株。
to a goat antimouse IgG, which catalyzes the substrate p-nitrophenyl phosphate, to form a colored product. Excess reagents are removed by washing, and enzyme activity can be measured with an ELISA plate reader at 415nm. The amount of colored product
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