RIPA裂解液
产品名称: RIPA裂解液
英文名称: none
产品编号: C1053-100
产品价格: 0
产品产地: 中国
品牌商标: Applygen
更新时间: null
使用范围: null
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RIPA裂解液 (RIPA Lysis Buffer) C1053
描述: RIPA裂解液(RIPA Lysis Buffer)对动物细胞胞膜、胞浆、胞核成分均有较强裂解作用,是经典和最常用的细胞组织快速裂解液。使用RIPA 裂解缓冲液制备用于Western特别是用于免疫共沉淀的裂解产物已经是一种首选的标准操作,也适用于大部分抗原表位检测,特别是免疫共沉淀等实验。
组成: 100 ml RIPA裂解缓冲液。
成分:50 mM Tris-HCl (pH 7.4), 150 mM NaCl, 1% NP-40, 0.1% SDS.
储存:4 ℃保存 12个月有效
制备细胞裂解产物:
1. 800g 4℃离心5分钟收集培养细胞,估计细胞离心后的体积(PCV, 106 cells=~20 ml, 107 cells =~100 ml PCV);
2. 每50~100 ml PCV加入5倍体积RIPA裂解缓冲液(250~500 ml),冰浴放置10分钟,并每隔5分钟在漩涡混合仪上振荡30秒;
3. 12000g 4℃离心10分钟,将上清转移到新的离心管中,即得细胞总蛋白产物。
注意:如所得蛋白产物较为粘稠,可先95℃加热5分钟,迅速冰浴5分钟,再进行步骤3
制备组织裂解产物:
1. 取50-100 mg组织在冰上剪成碎片,用预冷的PBS洗涤2次离心弃去PBS;
2. 加入 0.5-1 ml 预冷 RIPA 裂解缓冲液;
3. 4℃用玻璃匀浆器匀浆20-40次,直到95%的细胞被破碎,然后在冰浴中放置10分钟,并每隔5分钟在漩涡混合仪上振荡30秒;
4. 12000g 4℃离心10分钟,将上清转移到新的离心管中,即得组织总蛋白产物。
注意:如所得蛋白产物较为粘稠,可先95℃加热5分钟,迅速冰浴5分钟,再进行步骤4
说明:
1. 转移上清液时不要吸入底部的沉淀物;
2. 在做免疫沉淀或免疫共沉淀时最好在实验前进行蛋白提取,避免某些不稳定蛋白的降解;
3. RIPA裂解缓冲液中未加入蛋白酶抑制剂,用户可自行选择添加。
使用我司RIPA裂解缓冲液发表SCI论文已达数百篇,部分文章列表如下,供参考:
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