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

VOA: special.2010.11.01

And much easier to purify and know what you have at the end, than if you're trying to harvest it from a whole complex organism.

最终产品的纯化和鉴定也比,从复杂的生物体上提取和鉴定容易

耶鲁公开课 - 生物医学工程探索课程节选