货号: PM150210
Price: ¥58
产品信息
产品简介 | Dulbecco's 改良培养基--DMEM(Dulbecco's Modified Eagle Medium)是在MEM培养基的基础上研制的,与MEM培养基相比,氨基酸的含量增加了2倍,维生素的含量增加了4倍,同时还增加了非必须氨基酸、微量铁离子以及丙酮酸钠。DMEM培养基最初设计葡萄糖含量为1000mg/L(低糖型),后来又发展出葡萄糖含量为4500mg/L(高糖型),现已广泛应用于各种细胞的培养。 DMEM高糖型培养基普遍应用于生长快、粘附性低的细胞、杂交瘤的骨髓瘤细胞、克隆细胞、DNA转染的转化细胞、各种原代病毒宿主细胞、单一细胞的培养以及疫苗的生产,例如利用CHO细胞表达EPO和生产乙肝疫苗。 本产品含有多类细胞培养所需的氨基酸、维生素、无机盐等多种成分,但不含蛋白质、脂类或任何生长因子,故此产品需搭配血清或无血清添加物使用。 |
产品形态 | 液体 |
产品浓度 | 1× |
产品规格 | 500mL |
PH | 7.2-7.4 |
D-葡萄糖 | 4500mg/L |
HEPES | 无 |
L-谷氨酰胺 | 4mM |
NaHCO3 | 3700mg/L |
酚红 | 15mg/L |
丙酮酸钠 | 1 mM |
细菌检测 | Negative |
真菌检测 | Negative |
支原体检测 | Negative |
内毒素含量(EU/mL) | <3 |
储存条件 | 2-8℃,避光储存 |
运输条件 | 常温 |
有效期 | 18个月 |
注意事项 |
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Q1:请问DMEM培养基中成分表没有写含有甲硫氨酸,是不含有这个成分吗?
是含有的,蛋氨酸就是甲硫氨酸。
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Q2:DMEM培养基放-20℃影响使用吗?
如果细胞培养基偶然被冻,自然溶解培养基后观察是否有沉淀产生;如果没有沉淀产生,培养基则可以正常使用;如果出现沉淀,意味着有部分营养成分析出,为了不影响细胞生长,补建议继续使用。

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