Patent ID: 8525985

Claim:
A biochemical analyzer, comprising: a cell for biochemical analysis that has a first substrate having a surface with a flat first plane and second plane, the second plane having a vertical elevation compared to the first plane and second substrate having a flat base, wherein the second plane of the first substrate is in contact with the base of the second substrate, and same kind of biochemical substances immobilized on a site of the first plane of the first substrate and a site of the base of the second substrate; a fixing section for fixing the cell for biochemical analysis; a light source; a spectrometer; an optical system for guiding light from the light source to the site of the first plane of the first substrate and the site of the base of the second substrate; an optical system for guiding reflected light from the cell for biochemical analysis to the spectrometer; and a computer unit for detecting a change in a reflection spectrum form an output of the spectrometer.