PolyVinylPolyPyrrolidone is the crosslinking polymer of N VinylPyrrolidone, And PVPP is a kind of beer clarifier? 聚乙烯聚吡咯烷酮(E1202)(PVPP)是乙烯基吡咯烷酮(NVP)的交联聚合物,是一种性能优异的啤酒澄清剂。
This report offers a two step purification method for successfully purifying the DNA from soil and compost. The method is composed of the first step of polyvinylpolypyrrolidone + Sephadex G200 chromatography and the second step of electroelution. 本研究通过利用polyvinylpolypyrrolidone+SephadexG200层析柱与电透析两步纯化的方法成功地纯化了来自土壤和堆肥样品的DNA。