Patent ID: 11946930
Assignee: HOFFMANN-LA ROCHE, INC.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 15:
16. A system for the detection of binding affinities comprising
a device according to claim 1,
a light source for emitting coherent light of a predetermined wavelength, the light source and the device being arranged relative to one another such that the coherent light emitted from the light source is coupled into the planar waveguide via the grating of the device,
a lens for focusing the collimated beam of diffracted coherent light propagating away from the planar waveguide into a focal point,
a detector positioned optically downstream of the lens in the focal point of the lens, for detecting the diffracted coherent light of the collimated beam focused into the focal point of the lens, and
an evaluation device for providing a signal representative of the diffracted coherent light detected by the detector, the signal being indicative of the binding affinity of the target samples to the receptor molecules.