Patent ID: 8551403
Filing Date: 2013-10-08
Classification: B01J,G01N

Abstract:
1. A combinatorial chemical formation and assay disc; the disc comprising a base and an upper surface and a lower surface, one of the upper or lower surfaces comprising an assay surface, a data surface on the upper surface or the lower surface and the data surface being spaced from the assay surface and wherein the data surface is on or within the assay disc, the assay surface comprising a spiral pattern of raised ridges comprising lands, grooves and side portions between the lands and the grooves, the assay surface further comprising a conductive layer on the base, a photo-conductive layer on the conductive layer and a chemically functional layer on the photo-conductive layer, combinatorial chemistry features formed on the chemically functional layer on the lands of the raised ridges or formed on the chemically functional layer on the grooves between the raised ridges, and the side portions between the lands and the grooves providing transverse separation of the combinatorial features on the assay surface wherein the disc comprises a substantially planar disc, a central aperture to receive a spindle and clamping mechanism to enable the disc to be rotated and wherein the conductive layer or an electrical connection from the conductive layer extends to the central aperture of the disc whereby when it is clamped into a processing device the conductive layer is earthed or becomes part of an electrical circuit.