Counter-current chromatography (CCC) is a versatile liquid–liquid separation technique that exploits the differential partitioning of compounds between two immiscible solvent phases. By eliminating ...

Developments in spectroscopic analysis and routine availability of X-ray crystallography have simplified structural elucidation of natural compounds. However, isolating bioactive components of ...

Refinements in Classic Technology Assist in the Purification of Peptides and Proteins Breakthrough technology that makes it possible to chromatograph larger molecules including proteins and peptides ...

Continuous countercurrent tangential chromatography (CCTC) is a column-free process that provides a scalable, disposable, and cost-saving alternative to column chromatography. As advances in ...

Comparative pharmacokinetics of four bioactive components in normal and chronic heart failure rats after oral administration of Qiangxin Lishui Prescription by microdialysis combined with ...

PNAS is the world's most-cited multidisciplinary scientific serial. It publishes high-impact research reports, commentaries, perspectives, reviews, colloquium papers, and actions of the Academy. In ...