Table 1.

Copolymer of PEG-PLA characteristics determined by 1 HNMR and GPC

1 H-NMR			GPC
copolymer	Mn a	PLA/PEG b	Mn c	Mw d	Mw/Mn e
		Real Theory
LA5	8589.7	0.72 1	7872	9027	1.15
LA15	16383	2.28 3	7403	11999	1.62

a) Average Mn determined by 1H-NMR

b) PLA/PEG determined by 1H-NMR

c) Average Mn determined by GPC

d) Average Mw determined by GPC

e) Polydispersity identified using GPC