1. A microfluidic device comprising: a microfluidic channel having a first end and a second end; a sample inlet fluidly connected to the first end of the microfluidic channel and configured for receiving a test sample; a clay treatment chamber fluidly connected to said microfluidic channel, wherein said clay treatment chamber contains a clay mineral reagent; a sample lysis chamber fluidly connected to said clay treatment chamber, wherein said sample lysis chamber contains an alkaline solution; one or more sample nucleic acid amplification or detection wells, or combinations thereof, fluidly connected to said sample lysis chamber; and and one or more sample outlets.