In article <1999Mar3.212220.31589 at ucl.ac.uk>, chen at bsm.bioc.ucl.ac.uk (Chen Ho An) wrote: > I've seen a couple of recipes of minimal media with EDTA added, but can't > work out why it's there. Could you let me know what the concentration of EDTA is. I've just had a nice Idea for an experiment. Cheers Bob -- Robert Hartley BSc(Hons) Centre for Cell Engineering, IBLS Division of Infection & Immunity, Joseph Black Building, University of Glasgow, Glasgow. G12 8QQ Web: http://www.gla.ac.uk/Inter/CellEngineering E-Mail rh at mblab.gla.ac.uk Tel: +44 (0)141 3398855 Ext 2074 Fax: +44 (0) 141 330 3730