| 摘要 |
An assay kit for analysis of a ligand, comprising binder particles which comprise particles of predetermined size bearing on their outside surface a binder material which specifically binds to the ligand, competitive binding particles comprising particles of a predetermined size bearing a predetermined amount of ligand on their outer surface, and a filter having apertures which are larger than the competitive binding particles but smaller than aggregates of competitive binder particles with binder particles. |
