RIPA Lysis Buffer (Strong)
RIPA裂解液 (强)
规格: | / 20 mL / 50 mL / 100 mL |
价格: | / ¥80 / ¥120 / ¥180 |
货号:E-BC-R327
应用: WB
储存: -20°C
产品简介
RIPA裂解液是一种传统的细胞组织快速裂解液,作为Western Blot试验中从动物组织或细胞中提取蛋白的首选裂解液。
产品组成
货号 |
产品名称 |
20 mL |
50 mL |
100 mL |
Storage |
E-BC-R327 |
RIPA Lysis Buffer(Strong) |
20 mL |
50 mL |
100 mL |
-20°C |
E-BC-R287 |
100 mM PMSF |
200 μL |
500 μL |
1 mL |
-20°C |
E-BC-R250 |
100 mM Na3VO4 |
200 μL |
500 μL |
1 mL |
-20°C |
说明书 |
1份 |
产品使用说明
1.组织样本的处理
a.取待测组织样本,用预冷的PBS(0.01 M,pH=7.4)充分洗涤,洗去组织表面血液及内部杂物。
b.称重剪碎,加入适量比例的RIPA裂解液混合物(1 mL的RIPA裂解液中加入10 μL PMSF和10 μL原矾酸钠)进行匀浆裂解。建议按组织重量:RIPA体积=3:10的比例匀浆,例如0.3 g的组织样本加入1 mL的RIPA裂解液,具体体积可根据实验需要适当调整。
c.匀浆后冰上震荡裂解30 min。
d.用移液器反复吹打样本50次左右,确保DNA链被打断,降低样本粘度。
e.4°C下12,000 rpm离心10 min,取上清,待测定蛋白浓度。
2.细胞样本处理
a.收集待测细胞样本,用预冷的PBS(0.01 M,pH=7.4)充分洗涤,洗去培养基等成分(一般建议洗涤3次)。
b.加入适量比例的RIPA裂解液混合物(1 mL RIPA裂解液中加入10 μL PMSF和10 μL原矾酸钠)进行冰上裂解30 min。建议6孔板中每孔加入0.1 mL RIPA裂解液(细胞中的蛋白含量可能会不同,可适当调整加入裂解液的体积)。
c.用移液器反复吹打样本50次左右,确保DNA链被打断,降低样本粘度。
d.4°C 下12,000 rpm离心10 min,取上清,待测定蛋白浓度。
RIPA裂解液主要成分
50 mM Tris (pH=7.4),150 mM NaCl,1% TritonX-100,1% 脱氧胆酸钠,1 mM EDTA,0.1% SDS,10 mM氟化钠,1 mM原钒酸钠,1 mM PMSF。
保存条件
-20°C冻存,保质期12个月。
注意事项
1. 裂解样品的所有步骤都需在冰上或4°C进行。
2. PMSF和原矾酸钠在使用前添加,每1 mL裂解液中加入10 μL PMSF和10 μL原矾酸钠,使终浓度为1 mM。如发现RIPA有沉淀,请放置室温或温水浴进行溶解。
3. RIPA裂解液的裂解产物中可能会出现一团透明胶状物,属正常现象。该透明胶状物为含有基因组DNA等的复合物。用移液器反复吹打样本50次左右,可以有效降低样本样本粘度,离心后取上清进行后续试验。
4. 用RIPA裂解的得到的蛋白样品,因含有高浓度的去垢剂,不能用Bradford法测定样品的蛋白浓度,建议使用BCA法测定蛋白浓度。
5. 为了您的安全和健康,请穿实验服并戴一次性手套操作。
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