Removal of porphyrins from diphtheria toxoid by selective adsorption on Ecteola-cellulose.
D000327:Adsorption; D002482:Cellulose; D004168:Diphtheria Toxoid; D007474:Ion Exchange; D011166:Porphyrins
D004168:Diphtheria Toxoid; D011166:Porphyrins; D002482:Cellulose