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關于Matreya胎牛血清的組成和功能以下有詳細分析
發布時間： 2021-09-24 點擊次數： 954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。它應取自剖腹產的胎牛；新牛血清取自出生24小時之內的新生牛；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動物的性別、年齡、生理條件和營養條件不同而異。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、無機物等，這些物質對促進細胞生長或抑制生長活性是達到生理平衡的。功能：Matreya胎牛血清是細胞培養中用量最大的天然培養基，含有豐富的細胞生長必須的營養成份，常用于動物細胞的體外培養，具有極為重要的功能。1、提供對維持細胞指數生長的激素，基礎培養基中沒有或量很少的營養物，以及主要的低分子營養物；2、提供結合蛋白，能識別維生素、脂類、金屬和其他激素等，能結合或調變它們所結合的物質活力；3、有些情況下結合蛋白質能與有毒金屬和熱原質結合，起到解毒作用；4、是細胞貼壁、鋪展在塑料培養基質上所需因子來源；5、起酸堿度緩沖液作用；6、提供蛋白酶抑制劑，使在細胞傳代時使剩余胰蛋白酶失活，保護細胞不受傷害。
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