Patent ID: 8968679
Filing Date: 2015-03-03
Classification: B01L

Abstract:
1. A multi-well device comprising: a filter plate having a plurality of filter wells each having a bottom, each of which filter wells includes a membrane located at said bottom of the well, and a receiver plate having plurality of receiver wells each having a bottom, said receiver plate adapted to receive said filter plate, in nesting relationship; whereby each of said filter wells extends into a dedicated receiver well out of said plurality of receiver wells, in one-to-one relationship with a respective filter well to a position spaced from said receiver well bottom, thereby defining in each said receiver well a first region being a filter well occupied region and a second region being a region unoccupied by a filter well, said first region having a cross-section larger than said second region; each said receiver well being defined by a receiving well wall; each said second region of each said receiver well comprising a transition region and a remainder region, said transition region being located at a point at or below the location of each said filter plate well membrane when each said filter plate well is in nesting relationship with a corresponding receiver plate well, and located above said receiver well bottom, wherein said receiving well wall in each said transition region is angled radially inwardly, and transitions to a portion of said receiving well wall that does not angle radially inwardly.