Breaking down electronics into small parts for refiners to melt and purify is another part of the business.

VOA: special.2010.11.01

One can also purify parts of the protein, that is, parts of the virus, that is, "Do I really need to deliver the whole virus?"

人们还可以纯化部分蛋白质,也就是病毒的某些部分来制造疫苗,那么还需要接种完整的病毒吗

耶鲁公开课 - 生物医学工程探索课程节选