"October 3, 2007 lecture by Bill Thies for the Stanford University Computer Systems Colloquium (EE 380). Bill Thies provides an overview of microfluidic technologies from a computer science perspective, highlight areas in the which computer science researchers can contribute to this field; he will also describe recent work in developing new... - http://www.youtube.com/watch...
Why don't you attach storage chambers to the waste ports that discharge the half of each sample before mixing, and send them to a separate mixing chamber and use this mixed fluid for replenishment?
- sylvia finkell