The expression product of ScFv was purified through Ni-NTA agarose metal affinity resin column and renatured. 经金属螯合亲和层析柱(Ni-NTA agarose)纯化和凝胶柱上在位复性后,ELISA结果证实其具有良好的结合β3抗原活性。
3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition. 在洗衣粉中掺入螯合剂,例如次氮基三乙酸酯(NTA)或者是乙二胺四乙酸酯(EDTA),这些螯合剂易于形成水溶性的金属螯合物。