title: High-efficiency cation-exchange chromatography of polypeptides and polyamines in the nanomole range.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D002411:Cation Exchange Resins; D002852:Chromatography, Ion Exchange / Q000379:methods; D010455:Peptides / Q000032:analysis*; D011073:Polyamines / Q000032:analysis*
chemical_list: D000596:Amino Acids; D002411:Cation Exchange Resins; D010455:Peptides; D011073:Polyamines