SEARCH Articles Figures Tables Chromatography gel-exclusion GEL PERMEATION GPC (gel permeation Gel permeation chromatography Gel permeation chromatography, GPC Gel permeation/size exclusion Gel permeation/size exclusion chromatography Gel-chromatography Gel-exclusion Permeation chromatography SEC - Size-exclusion Size chromatography Size exclusion chromatography (SEC Size-exclusion