Table 1.

Molecular weight of the three vectors by GPC

Sample	Mw	Mn	PDI
AG-P-SS-P	19,560	13,216	1.48
P-SS-P	18,855	12,739	1.35
P-P	18,628	14,440	1.29

Polydispersity index (PDI; Mw/Mn) determined by GPC

GPC gel permeation chromatography