Janaína Teles de Faria et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 877(27), 3031-3037 (2009-09-01)
Xylose reductase (XR) from Debaryomyces hansenii was extracted by partitioning in aqueous two-phase systems (ATPS) composed of polyethylene glycol (PEG) 4000 in the presence of different salts, specifically sodium sulfate, lithium sulfate and potassium phosphate. Batch extractions were carried out