DMEM高糖，細(xì)胞培養(yǎng)

DMEM是現(xiàn)今細(xì)胞培養(yǎng)中比較常見的培養(yǎng)基之一，dmem培養(yǎng)基是建立在MEM培養(yǎng)基的基礎(chǔ)上研究出來的，它與MEM培養(yǎng)基相比較，DMEM培養(yǎng)基中加大了MEM培養(yǎng)基中各種成分的用量，下文主要介紹一下自己配制DMEM的方法。

1 制備新鮮三蒸水或Millipore超純水。

2 稱取所需量的干粉培養(yǎng)基，加入約終體積一半的三蒸水中;若配制一個(gè)包裝的培養(yǎng)液，在將整個(gè)包裝的干粉倒入三蒸水后，需用水洗包裝袋內(nèi)面2次，倒入培養(yǎng)液中，以保證所有干粉都溶解成培養(yǎng)液。磁力攪拌或人工攪拌使之*溶解。

3 根據(jù)包裝袋上的要求補(bǔ)加所需量的碳酸氫鈉;根據(jù)實(shí)驗(yàn)需要，添HEPES(5-20mmol/L)、谷氨酰胺和其他特殊物質(zhì)。

4 加水定容到終體積。

5 必要時(shí)用1 mol/L 鹽酸和1 mol/L 氫氧化鈉調(diào)節(jié)pH。

6 用無菌0.22um濾膜過濾除菌，分裝于無菌血清瓶中，4℃冰箱保存。

配制好的培養(yǎng)液用前加入100U/mL青霉素和100U/mL鏈霉素，并根據(jù)需要加入血清(5%-20%)。 DMEM培養(yǎng)基應(yīng)用廣泛。基于DMEM培養(yǎng)基中氨基酸、微生物含量豐富，并具有糖酵解中的丙酮酸和微量Fe離子，因此在細(xì)胞培養(yǎng)、疫苗生產(chǎn)等方面的應(yīng)用為常見。

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DMEM高糖，細(xì)胞培養(yǎng)