| abstract |
A microfluidic test module having an outer casing for hand held portability, and, a microfluidic device mounted within the outer casing for processing a biological sample, the outer casing providing a microenvironment adjacent the microfluidic device, wherein, the outer casing has a membrane seal of flexible material between the microenvironment and atmosphere for reducing pressure changes in the microenvironment resulting from atmospheric pressure fluctuations. |