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