Table 1. Molecular parameters of the synthesized copolymer.

Copolymer	LA/GA (mol/mol)a)	Molecular weighta)	Mw/Mnb)
PLGA-PEG-PLGA	6.3/1	1600-1500-1600	1.24

^a)Molar ratio LA/GA in the PLGA block and the number-average molecular weight (M_n) of the block in the copolymer calculated from ¹H NMR;

^b)weight-average molecular weight (M_w) over M_n obtained from GPC.