concentrations of dextran ( mol.wt . 15x10 ( 4 ) ) from 1 to 12 % , solutions of dextrans ( all at 6 % ) with mol.wt . varying between 3.6x10 ( 4 ) and 2x10 ( 6 ) , and a solution of 8 % polyethylene glycol ( mol.wt . 4000 ) served equally well for the production of epithelial-cell ; ghosts ' .
C0086140
dextran
C0011806
dextrans