Superose? 12 prep grade is used for protein chromatography, gel filtration chromatography and gel filtration media. Superose? 12 prep grade has been used to purify and characterize a haemolysin of Actinomyces pyogenes as well as a fibrinogenase from Vipera lebetina (desert adder) venom. Superose? 12 prep grade has also been used for the isolation and characterization of an extracellular protease of Actinomyces pyogenes.