https://www.ibric.org/myboard/list.php?Board=new_protech&Page=1&FindIt=iduserid&FindText=213193 Sephadex™ Sephadex™ (SEparation PHArmacia DEXtran) was born in 1957 when Professor Jerker Porath of Uppsala University in Sweden accidentally discovered that cross-linked glucan gels could separate small molecules.This discovery led to the development of a technique called gel filtration or size exclu..