Patent ID: 9535035
Date: 2017-01-03
CPC Classifications: B82Y,G01N,H01F

Claim:
1. An analysis device comprising: a giant magnetoresistance (GMR) sensor unit disposed on a substrate; a receptor-fastened layer fastening receptors to the GMR sensor unit and disposed on the GMR sensor unit; the receptors fastened to the receptor-fastened layer; a target particle comprising a plurality of magnetic nano particles and a plurality of markers, at least one of the plurality of magnetic nano particles being coupled with a corresponding one of the receptors using a first antibody and being coupled with a corresponding one of the markers of the target particle using a second antibody; and electrodes in contact with both ends of the GMR sensor unit, wherein a width of the GMR sensor unit is the same as or smaller than a width of the target particle, and wherein the target particle is a single particle.