Patent ID: 11913954
Assignee: BIO-RAD LABORATORIES, INC.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A method of detecting the presence of syphilis antibodies in a sample comprising:
(a) contacting the sample with (i) a cardiolipin-lecithin-cholesterol antigen non-covalently attached to a solid support, wherein the cardiolipin-lecithin-cholesterol antigen is unmodified to reduce hydrophobicity; and (ii) a Treponema pallidum antigen attached to a solid support;
(b) washing the solid supports of (i) and (ii) to remove unbound sample;
(c) contacting the solid supports of (i) and (ii) with a labeled, anti-human immunoglobulin (Ig) antibody; and
(d) detecting the presence of syphilis antibodies by detecting the label on the anti- human Ig antibody.