Patent ID: 6419827
Filing Date: 2002-07-16
Classification: B01D,B01L,G01N

Abstract:
A filtration apparatus for processing a plurality of fluid samples, comprising:a purification tray, said purification tray comprising: a filter plate having a plurality of columns with discharge openings at the bottom thereof, a plurality of filters aligning with the columns of the filter plate, and a vent plate including flow obstructions; and a sample well tray having a plurality of sample wells aligned with the columns of the filter plate for receiving fluid from the discharge openings, wherein the vent plate is positioned in a space between the filter plate and the sample well tray, the vent plate flow obstructions positioned adjacent said sample wells for limiting cross-contamination between sample wells, the flow obstructions defining at least one discrete flow path for permitting aerosols from a sample well to pass therethrough out of the respective sample well.