Using oral fluid as the matrix, a viable and simple solid phase extraction method for a wide range of drugs is developed. Several oral fluid collection devices were evaluated to determine the effectiveness of the cleanup procedure, ultimately confirming that the method is both robust and widely applicable.
Analyze Charge Variants in Antibody-Based Therapeutics Using Cation Exchange Chromatography
July 18th 2024This application note discusses the latest development on high performance cation exchange bio-separation columns for determining charge variants in protein-based biotherapeutics, as well as the strategy on method development.