Patent ID: 7968061

Claim:
A microplate comprising: a plate body having at least first and second wells formed therein, said first and second wells each having a first open end, a second end, an aperture being formed in said second end, and a side wall extending between said first end and said second end, said side wall encompassing an interior; a first dialysis membrane adjacent said second end, opposite said interior, and extending at least partially across said aperture of said first well, a second dialysis membrane adjacent said second end, opposite said interior, and extending at least partially across said aperture of said second well, said first and second dialysis membranes being separate and out of contiguous contact; an elastomeric member interposed between said first dialysis membrane and said side wall of said first well; and, an end cap fixed to said side wall of said first well, said end cap having an inwardly-extending rim overlapping portions of said first dialysis membrane and defining an opening, wherein said opening being larger than said aperture of said first well.