ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,171, issued on Aug. 26, was assigned to SMALL MACHINES (Seoul, South Korea).
"Microchip and device for quantitative analysis of antigen, and method for quantitative analysis of antigen using same" was invented by Jun Kyu Choi (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method of quantitatively analyzing an antigen, the method comprising: a step of mixing an assay sample comprising a target antigen, magnetic particles on which a first antibody subjected to an antigen-antibody reaction with the target antigen is immobilized, and beads on which a second antibody different from the first antibody i...