In article <54r1h3$r4q at agate.berkeley.edu>, lhom at nature.berkeley.edu (Louis Hom) wrote:
#I believe another reason for washing away serum-containing media before
#trypsinizing is that among the many proteins present in serum are a number
#of protease inhibitors, both large (e.g., alpha-2-macroglobulin) and small
#(um, no names come to mind).
Um, by induction, microglobulin - isn't it?