Patent ID: 6566051
Filing Date: 2003-05-20
Classification: G01N

Abstract:
A test strip for testing for a substance in a sample, comprising:a first layer adapted for drawing sample from a first end of the first layer to a second end of the first layer; a second layer coplanar with the first layer, the second layer comprising a capillary transfer plane member comprised of a material through which fluid will not flow and having a plurality of capillary transfer passages, each transfer passage having a first and second end, the first end being located in fluid contact with the first layer; and a plurality of testing members, each testing member being in fluid contact with the second end of one of the plurality of capillary transfer passages of the second layer, the size and length of each transfer passage being chosen to allow a quantity of sample to be drawn through the transfer passage to the testing member from the first layer, and wherein the plurality of testing members are arranged in a linear sequence and wherein the sample placed on the first end of the first layer reaches each of the plurality of testing members sequentially.