目錄:北京索萊寶科技有限公司>>細(xì)胞培養(yǎng)相關(guān)>>細(xì)胞培養(yǎng)試劑>> 10491solarbio RPMI1640 細(xì)胞培養(yǎng)試劑
參考價(jià) | 面議 |
參考價(jià) | 面議 |
更新時(shí)間:2024-08-23 18:43:09瀏覽次數(shù):1355評(píng)價(jià)
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供貨周期 | 現(xiàn)貨 | 規(guī)格 | 500ml |
---|---|---|---|
貨號(hào) | 10491 | 應(yīng)用領(lǐng)域 | 醫(yī)療衛(wèi)生,化工,生物產(chǎn)業(yè),石油 |
主要用途 | 細(xì)胞培養(yǎng)試劑 |
solarbio RPMI1640 細(xì)胞培養(yǎng)試劑
紅細(xì)胞裂解液是一種比較溫和的紅細(xì)胞去除方法。既不損傷有核細(xì)胞又能充分的去除紅細(xì)胞。經(jīng)紅細(xì)胞裂解液裂解得到的組織細(xì)胞中不含紅細(xì)胞,可進(jìn)一步用于原代細(xì)胞培養(yǎng)、細(xì)胞融合、核酸與蛋白的分離和提取等。
紅細(xì)胞裂解的原理
紅細(xì)胞表面上有紅細(xì)胞專(zhuān)屬的表面抗原,當(dāng)裂解液中含可以攻擊特定紅細(xì)胞表面細(xì)胞抗原的酶的時(shí)候,就只會(huì)造成紅細(xì)胞的變形,生物通道擴(kuò)大、膨脹、裂解,而不會(huì)攻擊其他細(xì)胞。另外紅細(xì)胞有自己的電負(fù)性、滲透脆性、懸浮穩(wěn)定性、這都是區(qū)別于其他種類(lèi)細(xì)胞的區(qū)別點(diǎn)。紅細(xì)胞裂解液就是利用這些特性裂解紅細(xì)胞的。
紅細(xì)胞裂解液的使用說(shuō)明
1. 1倍體積的新鮮全血,加入3倍體積的紅細(xì)胞裂解液。如1ml新鮮全血加入3ml紅細(xì)胞裂解液,輕輕渦旋或顛倒混勻。
2. 冰上放置15分鐘,其間輕輕渦旋混勻兩次,紅細(xì)胞裂解后,溶液應(yīng)該是清亮透明的。
3. 收集細(xì)胞:4℃,450×g離心10分鐘以沉淀白細(xì)胞,小心吸棄上清液。
4. 向白細(xì)胞沉淀中加入兩倍體積的紅細(xì)胞裂解液,輕輕渦旋充分重懸白細(xì)胞。如起始血液為1ml,則加入2ml的紅細(xì)胞裂解液。
5. 4℃,450×g離心10分鐘沉淀白細(xì)胞,小心并*吸去上清液。
6. 重懸細(xì)胞,用于后續(xù)實(shí)驗(yàn);如提取RNA,于此步開(kāi)始使用DEPC水配制的溶液進(jìn)行操作。
紅細(xì)胞裂解液的配置方法
取100 μl抗凝全血,加2 ml應(yīng)用液3#,混勻15~20 s;加2 ml應(yīng)用液2#,混勻15~20 s;加4 ml應(yīng)用液1#,混勻15~20 s;300×g離心2 min,棄上清;收集沉淀,加PBS緩沖液,制成白細(xì)胞懸液,備用。(這種紅細(xì)胞裂解法滿足了白細(xì)胞流式細(xì)胞儀檢測(cè)分選要求,價(jià)格低廉,是一種簡(jiǎn)便快捷、經(jīng)濟(jì)實(shí)用的白細(xì)胞純化分選方法。)
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solarbio RPMI1640 細(xì)胞培養(yǎng)試劑
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