Chromatography: Will Supercritical Replace Simulated Moving Bed

Lester Dolak discusses supercritical fluid chromatography in an editorial on Pharmaceutical Online.  What do you think?  Any replacement would likely take quite a while. But this is only one potential application for supercritical fluids. For an update on "tunable solvents" from Georgia Tech pioneers, read on, and for a review by Angelo De Palma, click here.