To all, We have some tissue culture set-ups to which we wish to add GA and CK. Can these hormones be autoclaved or do they have to be filter sterilized? TIA Bob Dr. Robert R. Wise Department of Biology and Microbiology University of Wisconsin-Oshkosh Oshkosh, WI 54901 (920) 424-3404 tel (920) 424-1101 fax wise at uwosh.edu www.uwosh.edu/departments/biology/wise/wise.html