A continuous-flow filter/concentrator for separating and/or concentrating particles in a fluid is disclosed. The filter is a three-port device an inlet port, an filter port and a concentrate port. The filter separates particles into two streams by the ratio of their dielectrophoretic mobility to their...http://www.google.com/patents/US20030010637?utm_source=gb-gplus-sharePatent US20030010637 - Continuous flow dielectrophoretic particle concentrator
