生产过程中需要培育转基因酵母，细菌或仓鼠细胞，大量生产对人体有益的蛋白质，然后经过多道工序提纯。

It entails breeding genetically modified yeast, bacteria or hamster cells to spawn therapeutic proteins which then need to be purified and refined in successive procedures.

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因此，自70年代以来，磁性微球作为一种新型的功能材料，在细胞分离、蛋白质提纯、免疫测定和靶向药物等诸多领域有着广阔的应用前景。

Therefore, since 1970's, as a new type of functional material, it has gained broad applications in cell separation, protein purification, immunoassays, immobilized enzyme and target delivery of drug.

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目的：为了建立免疫磁珠法体外分离提纯骨髓造血干细胞的方法。

Objective: to isolate and purify murine hematopoietic stem cell using the immunomagnetic microbeads.

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They grew the virus in monkey cell cultures, they purified the virus because you got to get all the other stuff from the cells that you're growing it in a way, they inactivated it by treating it with formalin which is just a formula-- it's just a mixture of Formaldehyde; Formaldehyde cross links proteins.

研究人员将病毒种植在猴细胞内,进行培养,并提纯病毒,在某种程度上,通过这种方法,可以得到所有类型的病毒,研究人员用福尔马林,处理病毒,使其灭活,福尔马林就是甲醛的水溶液,甲醛可以使蛋白质发生交联反应

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