Table 1.
Nanoparticle | Structure | ζ-potential at pH 5.5 in nanopure water (mV) | Size (nm)* |
---|---|---|---|
non-PEG cSCK | cSCK-pa100 | 21.7 ± 2.4 | 14 – 18 |
cSCK-pa75-ta25 | cSCK-pa75-ta25 | ND | 14 – 18 |
cSCK-pa50-ta50 | cSCK-pa50-ta50 | 25.0 ± 2.7 | 14 – 18 |
cSCK-pa25-ta75 | cSCK-pa25-ta75 | ND | 14 – 18 |
cSCK-2PEG | cSCK-pa100-2PEG | 15.4 ± 1.8 | 20 – 25 |
cSCK-5PEG | cSCK-pa100-5PEG | 8.8 ± 2.5 | 20 – 25 |
cSCK-10PEG | cSCK-pa100-10PEG | 1.7 ± 2.8 | 20 – 25 |
Abbreviations: pa, primary amine; ta, tertiary amine; ND, not determined
Determined by dynamic light scatterning