Chemists in Germany have created a lab on a chip that includes the reaction, electrophoretic separation of products, and analysis by nanospray mass spectrometry. Read my story here:

http://www.rsc.org/chemistryworld/News/2007/May/17050702.asp

(There has been a bit of chaos around the release date, it should read May 22nd !).

PS related story from the same lab is here:

http://www.rsc.org/chemistryworld/News/2006/February/01020601.asp