产品名称
SIGMAFAST™ 对硝基苯基磷酸酯片, tablet, To prepare 20 mL
质量水平
表单
tablet
溶解性
water: 0.25 tablet/mL, clear, colorless
储存温度
−20°C
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应用
开发用作可溶性底物，用于检测酶免疫分析法（EIA）中碱性磷酸酶的活性。 pNPP是高灵敏度碱性磷酸酶EIA检测的首选底物。将一片pNPP和一片Tris缓冲片溶解在去离子水中即得即用型底物。 SIGMAFAST pNPP每片可产生含有1.0 mg/ml pNPP、0.2 M Tris缓冲液的溶液。使用pNPP的EIA应用可以在定时实验中读数，或用3 N NaOH终止反应后延迟读数。SIGMAFAST™ 仅需要添加蒸馏水或去离子水即可制备活性底物溶液。片剂用箔包单个包装。
制备说明
将每片片剂溶于 20 mL 去离子水中，得到含 pNPP 的即用型缓冲液。
法律信息
SIGMAFAST is a trademark of Sigma-Aldrich Co. LLC
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
G Gasperini et al.
Infection and immunity, 89(4) (2020-12-16)
Typhoid and paratyphoid fevers have a high incidence worldwide and coexist in many geographical areas, especially in low-middle-income countries (LMIC) in South and Southeast Asia. There is extensive consensus on the urgent need for better and affordable vaccines against systemic
Fredman González et al.
medRxiv : the preprint server for health sciences (2021-05-06)
New information is emerging about SARS-CoV-2 epidemiology and immunity, but little of this information comes from low- and middle-income countries or from patients receiving care in the outpatient setting. The current study investigated the SARS-CoV-2 infection status and antibody responses
Yau-Hung Chen et al.
International journal of biological macromolecules, 126, 159-169 (2018-12-27)
To fulfill the properties of membrane for guided bone tissue regeneration, chitosan (CS) and calcium phosphates were blended to produce porous hybrid membranes by lyophilization. We synthesized three different calcium phosphates: calcium deficient hydroxyapatite (CDHA), biphasic calcium phosphate (BCP) and
Phillipp Hartmann et al.
Frontiers in physiology, 12, 699253-699253 (2021-08-06)
Alcohol-associated liver disease (ALD) is an important cause of morbidity and mortality worldwide. The intestinal microbiota is involved in the development and progression of ALD; however, little is known about commensal fungi therein. We studied the dynamic changes of the
Fernando Diaz et al.
Virology, 513, 129-135 (2017-10-27)
Herpes simplex virus 2 (HSV-2) is the leading cause of genital herpes and increases the risk of HIV infection, but there is no effective vaccine. A replication-defective HSV-2 mutant virus, dl5-29, is effective in animal models and has been in
商品
NBT-BCIP substrate system aids in western blotting and immunohistological staining, producing a blue-purple insoluble end product.
硝基蓝四唑（NBT）可与碱性磷酸酶底物5-溴-4-氯-3-吲哚基磷酸盐（BCIP）一起用于蛋白印迹和免疫组织染色程序。这些底物系统产生不溶的NBT二甲终产物，其颜色为蓝至紫色，可以通过视觉观察到。
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