推荐产品
製造商/商標名
Novagen®
儲存條件
OK to freeze
儲存溫度
10-30°C
一般說明
BCA蛋白测定基于双缩脲作用,即在碱性溶液中蛋白质将Cu2+还原为Cu+,并具有浓度依赖性地检测单价铜离子。二辛可宁酸是一种螯合还原铜的显色剂,产生紫色络合物,在562nm处有很强的吸光度(Smith1985,Wiechelman 1988)。该方法可用于多种样品的蛋白质浓度定量,可在几分钟内进行。
Novagen® BCA蛋白质测定试剂盒可用于在标准测定或微量测定配置中确定20-2000 µg/mL范围内的蛋白质浓度。试剂盒组分足以完成500个标准大小的反应(50 µl蛋白质样品加1 ml试剂)或2500个微量反应(25 µl蛋白质样品加200 µl试剂)。为了方便可靠地制备标准曲线,提供了BSA标准品(2 mg/mL)。
该测定法具有耐用性,可以在许多化合物存在下进行。某些试剂,包括螯合剂、强酸或碱和还原剂,会干扰该测定所依赖的还原和螯合反应(Brown 1989)。BCA测定与以下Novagen蛋白质提取和裂解试剂相容:BugBuster蛋白质提取试剂、PopCulture试剂、CytoBuster蛋白质提取试剂、Reportasol提取缓冲液和Insect PopCulture试剂。试剂盒文献中描述了去除或稀释干扰物质的选项。
Novagen® BCA蛋白质测定试剂盒可用于在标准测定或微量测定配置中确定20-2000 µg/mL范围内的蛋白质浓度。试剂盒组分足以完成500个标准大小的反应(50 µl蛋白质样品加1 ml试剂)或2500个微量反应(25 µl蛋白质样品加200 µl试剂)。为了方便可靠地制备标准曲线,提供了BSA标准品(2 mg/mL)。
该测定法具有耐用性,可以在许多化合物存在下进行。某些试剂,包括螯合剂、强酸或碱和还原剂,会干扰该测定所依赖的还原和螯合反应(Brown 1989)。BCA测定与以下Novagen蛋白质提取和裂解试剂相容:BugBuster蛋白质提取试剂、PopCulture试剂、CytoBuster蛋白质提取试剂、Reportasol提取缓冲液和Insect PopCulture试剂。试剂盒文献中描述了去除或稀释干扰物质的选项。
BCA蛋白测定法是一种简单可靠的蛋白质定量方法。
成分
•500 mlBCA溶液
•15 ml4%硫酸铜
•3 x 1 mlBSA标准品,2 mg/ml
•15 ml4%硫酸铜
•3 x 1 mlBSA标准品,2 mg/ml
警告
毒性:多个毒性值,请参阅MSDS(O)
其他說明
Smith,P.K.,et al. 1985.Anal.Biochem.150,76.
Kessler,R. J. and Fanestil,D. D. 1986.Anal.Biochem 159,138.
Wiechelman,K.,et al. 1988.Anal.Biochem.175,231.
Brown,R.,et al. 1989.Anal.Biochem.180,136.
Kessler,R. J. and Fanestil,D. D. 1986.Anal.Biochem 159,138.
Wiechelman,K.,et al. 1988.Anal.Biochem.175,231.
Brown,R.,et al. 1989.Anal.Biochem.180,136.
法律資訊
仅允许将BCA蛋白测定用于研究目的。
NOVAGEN is a registered trademark of Merck KGaA, Darmstadt, Germany
訊號詞
Danger
危險聲明
危險分類
Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1
儲存類別代碼
10 - Combustible liquids
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