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關(guān)于Matreya胎牛血清的組成和功能以下有詳細(xì)分析
發(fā)布時(shí)間： 2021-09-24 點(diǎn)擊次數(shù)： 977次Matreya胎牛血清是一種性狀、外觀 淺黃色澄清、無溶血、無異物稍粘稠液體。它應(yīng)取自剖腹產(chǎn)的胎牛；新牛血清取自出生24小時(shí)之內(nèi)的新生牛；小牛血清取自出生10－30天的小牛。主要成分：Matreya胎牛血清是由血漿去除纖維蛋白而形成的一種很復(fù)雜的混合物，其組成成份雖大部分已知，但還有一部分尚不清楚，且血清組成及含量常隨供血?jiǎng)游锏男詣e、年齡、生理?xiàng)l件和營養(yǎng)條件不同而異。血清中含有各種血漿蛋白、多肽、脂肪、碳水化合物、生長因子、激素、無機(jī)物等，這些物質(zhì)對促進(jìn)細(xì)胞生長或抑制生長活性是達(dá)到生理平衡的。功能：Matreya胎牛血清是細(xì)胞培養(yǎng)中用量最大的天然培養(yǎng)基，含有豐富的細(xì)胞生長必須的營養(yǎng)成份，常用于動(dòng)物細(xì)胞的體外培養(yǎng)，具有極為重要的功能。1、提供對維持細(xì)胞指數(shù)生長的激素，基礎(chǔ)培養(yǎng)基中沒有或量很少的營養(yǎng)物，以及主要的低分子營養(yǎng)物；2、提供結(jié)合蛋白，能識別維生素、脂類、金屬和其他激素等，能結(jié)合或調(diào)變它們所結(jié)合的物質(zhì)活力；3、有些情況下結(jié)合蛋白質(zhì)能與有毒金屬和熱原質(zhì)結(jié)合，起到解毒作用；4、是細(xì)胞貼壁、鋪展在塑料培養(yǎng)基質(zhì)上所需因子來源；5、起酸堿度緩沖液作用；6、提供蛋白酶抑制劑，使在細(xì)胞傳代時(shí)使剩余胰蛋白酶失活，保護(hù)細(xì)胞不受傷害。
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