Three polyethylene glycol dependent methods for the detection or circulating immune complexes in pathological sera: comparison with the Raji cell method.

Abstract

A composite method using polyethylene glycol (PEG) and different markers for detecting circulating immune complexes (CIC) is described. The markers used are bovine conglutinin (RK-BA), C1q (C1q-BA) and IgG, IgM quantitation of PEG precipitate (RID-Ig). A composite scoring system is used in interpreting results from individual assays. The sensitivity of… (More)

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