Patent ID: 6881570

Claim:
An apparatus for measuring a value detected from a second label corrected for a value detected from a first label comprising: a test piece with a plurality of known different specific binding substances respectively disposed at a plurality of predetermined positions thereon, wherein said different specific binding substances are each labeled with a first labeling substance, wherein an organism-originated substance specifically binds to at least one of said specific binding substances, and wherein said organism-originated substance is labeled with a second labeling substance that differs from said first labeling substance; a first detection unit, wherein said first detection unit detects a level of a first labeling signal emitted by said first labeling substance; a second detection unit, wherein said second detection unit detects a level of a second labeling signal emitted by said second labeling substance; and an analyzing unit, wherein said analyzing unit measures a quantity of said organism-originated substance bound to each of said specific binding substances, based on a detected level of said second labeling signal, corrected for a detected level of said first labeling signal at each of said predetermined positions.