SEARCH Articles Figures Tables Affinity chromatography Affinity chromatography metal chelate Chelates metalation Immobilized chromatography Immobilized metal affinity chromatography Immobilized metal chelate Immobilized metal chelate chromatography Immobilized metal-chelate affinity Metal affinity chromatography Metal chelates Metal chelating Metal chelation Metal chelator Metal chelators Metal immobilizers Metals chromatography