最近最新的日本中文MV_麻豆出品视频在线_超pen个人视频97_国产精品第一国产精品_国产香蕉片_免费看麻豆文化传媒_奶大灬舒服灬太大了一进一出_人妻激情偷乱一区二区三区

Product Description

Apotransferrin Human Plasma

Transferrin less the iron molecule. Like transferrin, apotransferrin has a physiological role in the transportation and distribution of iron among the body organs. It is also an important transport factor used in defined culture media. Purified to have less than 0.02 mg iron per gram of transferrin. Each human transferrin molecule has the ability to carry two iron ions in the ferric form (Fe3 ). Dissolves in water at 10 mg per ml. Prepared from plasma shown to be non reactive for HbsAG, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests. Total protein determination by the Lowry method. >95 percent pure and shows only one major band corresponding to the molecular weight of Transferrin by SDS-PAGE. Add deionized water to original volume, aliquot and freeze unused portion.