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. Author manuscript; available in PMC: 2018 Sep 19.
Published in final edited form as: ACS Macro Lett. 2017 Aug 31;6(9):1005–1012. doi: 10.1021/acsmacrolett.7b00490

Table 4.

Parameter values obtained from fitting the SAXS data of PGMA-g-PEG/PLA micelles using core-shell spherical or cylindrical models.

Polymer Rcore
(Å)		 Thshell
(Å)		 Length
(Å)		 χ2 Agg# %
PEGshell 		No. of PEG chains per nm2 calcd shell SLD ρshell
(Å−2)		 Fitted shell SLD ρshell
(Å−2)		 Diff
(%)
PGMA68-g-PEG16/PLA17 56.08 9.12 – 1.23 4.06 29.31 0.70 9.77E-06 9.92E-06 1.52
PGMA72-g-PEG45/PLA33_low 63.94 25.19 – 1.04 3.45 27.62 0.48 9.75E-06 9.52E-06 2.40
PGMA72-g-PEG45/PLA33_high 64.00 29.09 – 1.11 3.46 22.73 0.48 9.70E-06 9.68E-06 0.19
PGMA721-g-PEG45/PLA29_low 41.43 27.93 849.99 2.21 1.25 36.14 0.39 9.84E-06 1.03E-05 4.26
PGMA721-g-PEG45/PLA29_high 42.53 28.14 1004.1 30.29 1.55 37.49 0.40 9.84E-06 1.03E-05 4.99