the endo-beta- ( 1 -- > 3 ) -glucanase was further purified by diethylaminoethyl-cellulose and hydroxyapatite chromatography , whereas the endo-beta- ( 1 -- > 6 ) -glucanase could be purified further by diethylamino-ethyl-cellulose and carboxymethyl cellulose chromatography .
C0007648
cellulose
C0059756
ethyl-cellulose