Patent ID: 7618587

Claim:
An analyzer comprising: a sample preparing portion configured for preparing an assay sample comprising a reagent and a whole blood specimen, the sample preparing portion comprising: a reaction vessel and a reagent supplying portion for supplying the reagent to the reaction vessel, wherein the reagent comprises fluorescent carrier particles sensitized with an antibody or an antigen against a target substance found in the serum or blood plasma portion of the whole blood specimen; a flow cell; an assay sample supplier for supplying the assay sample from the reaction vessel to the flow cell; a light source for irradiating the assay sample in the flow cell; a first detector that detects fluorescence intensities from irradiated particle components including blood cells and fluorescent carrier particles that reacted to the target substance in the assay sample; a second detector that detects scattered light intensities from irradiated particle components including blood cells and fluorescent carrier particles that reacted to the target substance in the assay sample; and an analyzing portion device configured: differentiate the blood cells and the fluorescent carrier particles based on the detected fluorescence intensities received from the first detector and the detected scattered light intensities received from the second detector; count the differentiated blood cells; and differentially detect agglutination degree of the fluorescent carrier particles that reacted to the target substance.