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. Author manuscript; available in PMC: 2017 Jun 13.
Published in final edited form as: ACS Biomater Sci Eng. 2016 May 9;2(6):963–976. doi: 10.1021/acsbiomaterials.6b00052

Table 1.

Physicochemical characterization of MWCNTs dispersed in surfactants

Dispersant Uncoated 1% Pluronic 1% DSPE-PEG 2% DSPE-PEG
Hydrodynamic diameter (D)/Polydispersity index (PI) H2O D=151 ± 26 nm
PI=0.31 ± 0.09
D=189 ± 2.3 nm
PI=0.32 ± 0.03
D=179 ± 2.4 nm
PI=0.31 ± 0.04
D=176 ± 27 nm
PI=0.31 ± 0.09
PBS D=533 ± 102 nm
PI=0.24 ± 0.03
D=184 ± 0.8 nm
PI=0.36 ± 0.02
D=165 ± 2.6 nm
PI=0.27± 0.01
D=155 ± 20 nm
PI=0.29 ± 0.09
Zeta Potential H2O −51.6 ± 0.8 mV −45.3 ± 1.0 mV −35.0 ± 1.9 mV −27.9 ± 0.4 mV

D: hydrodynamic diameter; PI: Polydispersity index