申请人:NATIONAL RESEARCH DEVELOPMENT CORPORATION
公开号:EP0265127A1
公开(公告)日:1988-04-27
It has been a problem that the known LAL method of endotoxin assay suffers from batch-to-batch differences in sensitivity, does not measure absolute amounts of endotoxin and gives some false positives. The assay of the invention quantitates endotoxin by making use of the binding interaction of the lipopolysaccharide (LPS) component of endotoxin with a polymyxin or octapeptin or a similar cyclic peptide. The cyclic peptide or the LPS is labelled, preferably enzyme-labelled.
已知的 LAL 内毒素测定法存在一个问题,即批次与批次之间的灵敏度存在差异,不能测定内毒素的绝对量,而且会出现一些假阳性。 本发明的测定法利用内毒素中的脂多糖(LPS)成分与多粘菌素或八肽或类似的环肽的结合作用来定量测定内毒素。 环肽或 LPS 已被标记,最好是酶标记。