Figure 2From: Recombinant d-galactose dehydrogenase partitioning in aqueous two-phase systems: effect of pH and concentration of PEG and ammonium sulfate Effect of NaCl on partition coefficient of GalDH in ATPS containing 14% ( w / w ) PEG-4000 and 12% ( w / w ) (NH 4 ) 2 SO 4 at pH 7.0. Back to article page