产品说明
Coomassie Brilliant Blue G-250 (CBBG) is a member of the Coomassie family of triphenylmethane dyes and is used as a common analytical dye in SDS-PAGE and BN-PAGE.CBBG can also be used with the Bradford Method to determine protein concentration.G-250 is differentiated from the R-250 Coomassie stain by the addition of two methyl groups and the slightly greenish tint to its blue color.CBBG may exist in one of three forms: a cation (red form) at a pH below 0 with an absorbance peak at 470 nm, an anion (blue form) at a pH above 2 with an absorbance peak at 595 nm, and a neutral, green form at a pH around 1 with an absorbance peak around 650 nm.The blue, anionic form is what binds with amino acid residues, such as arginine or aromatics, to form a stable complex—forming the basis of the Bradford Method.Recently, it has also been shown that CBBG is also an antagonist to P2X7 (P2X purinoceptor 7: P2RX7).CBBG is soluble in water but methanol and acetic acid are often added for better solubility.Product SpecificationsComassie Brilliant Blue G-250, Ultra PureCBBG, Ultra PureFormula: C47H48N3O7S2NaMW: 854.02 g/molStorage/Handling: Store in a dry and well-ventilated place.PubChem Chemical ID: 61363
D-荧光素钾盐/钠盐体内使用手册--Goldbio介绍
荧光素是一种常用的荧光素酶表达的活体成像生物发光报告子。以ATP和Mg2+作为辅因子，有氧条件下荧火虫荧光素酶与水溶性底物反应发出一种特有的黄绿色发射光，在37℃活体内转换为红光。该反应通过消耗ATP来指示是否存在能量或生命的存在。
D-荧光素在生物技术领域是一种常用的试剂，尤其在活体成像方面。荧光素酶被接种在研究动物中比如大鼠，小鼠，用来标记肿瘤细胞，干细胞或传染病。通过生物荧光成像这个模式系统中D-荧光素的注射可以用来实时，非侵入性监测疾病的进程或药物效率。
产品具体信息
D-荧光素钾盐
4，5-Dihydro-2-(6-hydroxy-2-benzothiazolyl)-4-thiazolecarboxylic acid potassium salt
KC11H7N2O3S2
分子量：318.42 g/mol
D-荧光素钠盐
4，5-Dihydro-2-(6-hydroxy-2-benzothiazolyl)-4-thiazolecarboxylic acid sodium salt
NaC11H7N2O3S2.H2O
分子量：320.32 g/mol
储存：-20℃避光保存。
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