纯化
1.purification of colloids
2.Islet cells were purified with COBE-299 cell purification machine and then cultured in vitro for 48 hours.
3.isolation and purification of microorganisms
5.extraction and purification of uranium
9.Separation & Purification of Acid-producing Bacteria
10.Purification was carried out with Ni2+-NTA agrose as there is a 6×His tag at the N-terminal of the recombinant protein.
