A J Tenner et al.
Journal of immunology (Baltimore, Md. : 1950), 127(2), 648-653 (1981-08-01)
A new procedure for isolating human C1q from serum or plasma is described. The method, that is highly selective, rapid and involves minimal handling, yields fully active, immunoglobulin-free unaggregated C1q. Several different methods of radiolabeling C1q are compared. These include