Table S1.

Several components of C 1s and O 1s peaks (in atom%) of X-ray photoelectron spectroscopy spectra of PLGA NPs and PLGA-Glc NPs

Functional group	PLGA NPs		PLGA-Glc NPs
	Binding energy (eV)	Atom%	Binding energy (eV)	Atom%
C–C, C–H (C 1s)	284.50	30.87	284.53	55.22
C–O (C 1s)	285.81	9.01	285.85	7.56
C=O (C 1s)	286.60	12.47	286.78	7.17
COO– (C 1s)	288.66	16.27	288.77	10.61
O–C (O 1s)	531.98	17.99	532.11	11.42
O–H (O 1s)	533.34	13.39	533.51	8.02

Abbreviations: Glc, star glucose; NPs, nanoparticles; PLGA, poly((D,L)lactic-glycolic)acid.