Table 1.

Stokes radii of lipopolysaccharide solutions estimated from dynamic light scattering.

Origin of LPS Preparation a,b	Stokes Radius/nm
E. coli H TD2158 (O18A1) *	96
TSP digested, E coli H TD2158 (O18A1)	54
E. coli IHE3042 (O18A1)	66
E. coli DSM10809 (O18A) *	68

^a The O-serotype is given in parentheses. ^b An asterisk marks the ability of this LPS to elicit DNA release from phage HK620 in vitro.