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单克隆抗体 monoclonal antibody

　　指仅对一种抗原决定基的纯粹的抗体。这类抗体不可能通过将抗原 胞的 Hybridoma，在试管内制成了纯粹的单克隆抗体。用某种抗原使动物产生免疫感应，对应于抗原之不同部分可制成各种不同的抗体复合体。然而，因为一个产生抗体的细胞，只能产生一种抗体，所以骨髓肿瘤细胞与产生抗体细胞间的细胞杂种，可形成边产生抗体边增殖的 hybridoma，将每个杂种细胞进行克隆（无性繁殖系）培养，则一个克隆的细胞群只由单种类产生同一抗体的细胞所组成，这样得到的就是单克隆抗体。此抗体在测定

Monoclonal Antibody Production

to acidify the media (gets orange-yellow),change the media and double the culture volume by pipetting off 400 µl,and replace with 900 µl fresh DMEM/20% FCSHT. (6) Harvest more feeder cells for your next expansion.Put 0.5 ml f feeder cells in DMEM/20% FCS

Monoclonal Antibody-Based Immunoassays

An immunoassay may be defined as an assay that employs an immunological reagent, usually an antibody, to confer specificity for the ligand being measured. As a corollary to this, the discovery, and subsequent development, of monoclonal