Patent ID: 8968677
Filing Date: 2015-03-03
Classification: G01N,Y10T

Abstract:
1. A test strip for an assay device, the test strip comprising: an elongated porous membrane having a top surface and a bottom surface, having a proximal end and a distal end, and having at least one test line; a sample pad adjacent the proximal end of said porous membrane, said sample pad having a first surface and a second surface, said first surface being parallel with and oriented in the same direction as said bottom surface of said porous membrane, said sample pad being impregnated to a condition of approximate saturation with a selective mix of at least two of water, buffers, protectants, proteins, or surfactants and then being frozen at about −80° C. or below; a conjugate pellicle on said first surface of said previously frozen sample pad, said sample pad and said conjugate pellicle having been lyophilized; and means for providing fluid communication between said conjugate pellicle and said porous membrane.