US Patent 11759783 Assay device

The present invention relates to an assay device for determining the presence and/or amount of an analyte of interest in a sample, the assay device comprising: a) a housing that includes a liquid receiving unit that is adapted to accommodate one or more types of liquid; b) a mixing chamber adapted for containing a solution that is a product of one more types of liquid, and for receiving a sample to interact with said solution; c) an actuating lid which is capable of being actuated to enable the transfer of the liquid into the mixing chamber; and d) an assay means that is in fluid communication with said mixing chamber for determining the presence and/or amount of an analyte of interest in the sample after the interaction of said sample with said solution in the mixing chamber.