A method and apparatus for performing a microfluidic process. An apparatus includes an arrangement comprising a first tank and a second tank having an inlet connected to an outlet of the first tank. The arrangement also includes a third tank adjacent to the first tank and a fourth tank, adjacent to the...http://www.google.de/patents/US20020048535?utm_source=gb-gplus-sharePatent US20020048535 - Rotation device for sequential microfluidic reaction