. 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 2.

Structural information calculated from fitting the SAXS data into the core-shell sphere model.

Polymer	R_core (Å)	Th_shell (Å)	χ²	Agg#	% PEG_shell	No. of PEG chains per nm²	calcd shell SLD ρ_shell (Å⁻²)	Fitted shell SLD ρ_shell (Å⁻²)	Diff (%)
PEG₁₁₄-b-PCL₃₂	53.1	46.6	1.50	118	24.88	0.33	9.73E-06	9.63E-06	1.00
PEG₁₁₄-b-PCL₅₃	67.6	42.2	6.64	147	25.70	0.26	9.73E-06	9.62E-06	1.19
PEG₄₅-b-PLA₁₆₉	98.3	33.4	1.42	253	13.23	0.21	9.61E-06	9.67E-06	0.66
PEG₇₅-b-PLA₁₆₇	81.1	24.1	0.39	144	26.50	0.17	9.74E-06	9.88E-06	1.40