An alternative easy method for antibody purification and analysis of proteinprotein interaction using GST fusion proteins immobilized onto glutathioneagarose Analytical and Bioanalytical Chemistry Springer Nature Link Cytiva Glutathione Sepharose 4B Genesee Scientific Protocol for preparing Thiopropyl Sepharose resin used for capturing S nitrosylated proteins ScienceDirect Target discovery of bioactive natural products with native compound coupled CNBr activated Sepharose 4B beads (NCCB): Applications, mechanisms and outlooks ScienceDirect