G - Physics – 01 – N
Patent
G - Physics
01
N
167/37
G01N 33/53 (2006.01) G01N 33/564 (2006.01) G01N 33/566 (2006.01)
Patent
CA 1233115
ABSTRACT OF THE DISCLOSURE To diagnose diseases in patients, a protein com- plex, RhC, is prepared from horse serum by precipi- tating a white powder from the serum at a pH of 5.5 and processing to remove lipids at: a pH of 8.2 using Tris-HCl as the buffer. It includes two components bound together to provide a molecular weight of 280,000 and having characteristics of a rheumatoid factor and a Clq-like subcomponent of the complement. The protein complex is incubated with human serum or plasma and then precipitated by dialysis against a high pH buffer (.05 M Tris-HCl pH 8.2). When precipitated, it co- precipitates the immune complexes from the human blood serum without substantial monomeric immunoglobulin to quantitatively isolate immune complexes from serum. Immunological assays then determine how much immune complex and what kind were in the serum.
440703
Johnson & Hicks
The Board Of Regents Of The University Of Nebraska
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