产品说明
一般描述
Ca2+-chelator exhibiting a 105-fold greater affinity for Ca2+ (110 nM) than for Mg2+. After BAPTA complexes with Ca2+, the UV spectrum shifts from 254 to 279 nm at pH >6.0. Useful for spectrophotometric monitoring of extracellular Ca2+ levels, especially transient phenomena, because of its insensitivity to pH. Has been used for the measurement and control of Ca2+ levels in eggs, chromaffin cells, muscle cells, retinal cells, and pancreatic cells. In conjunction with certain formazan dyes, BAPTA can be used in a colorimetric assay for Mg2+. Has neuroprotective effects in vitro against excitotoxic damage and spontaneous recurrent seizures, such as epilepsy.
包装
1 g in Plastic ampoule
警告
Toxicity: Irritant (B)
重悬
Following reconstitution, aliquot, purge with inert gas and freeze (-20°C). To increase stability in solution, store at a high pH (>10). Stock solutions are stable for up to 1 month at -20°C.
其他说明
DeLorenzo, R.J., et al. 1998. Proc. Natl. Acad. Sci. USA 95, 14482.
Li, L., et al. 1995. J. Cell Physiol. 163, 105.
Tymianski, M., et al. 1994. J. Neurophysiol. 72, 1973.
法律信息
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
经验(实验)分子式 | C22H20N2O10 · 4Na |
分子量 | 564.36 |
MDL编号 | MFCD00067691 |
产品性质
质量水平 | 100 |
形式 | solid |
manufacturer/tradename | Calbiochem® |
储存条件 | OK to freeze desiccated (hygroscopic) protect from light |
颜色 | off-white |
溶解性 | water: 10 mg/mL |
运输 | ambient |
储存温度 | −20℃ |
安全信息
储存分类代码 | 11 - Combustible Solids |
WGK | WGK 3 |
闪点(F) | Not applicable |
闪点(C) | Not applicable |
Sigma-Aldrich