TABLE 2.
Nanoparticle physicochemical characterisation
Nominal size nm | Particle type | Hydrodynamic diameter# nm | PDI# | ζ–potential¶ mV |
---|---|---|---|---|
100 | MAP | 88±1 | 0.02 | −52±1 |
100 | MIP | 109±2 | 0.02 | −7±1 |
300 | MAP | 292±4 | 0.01 | −75±6 |
300 | MIP | 318±7 | 0.04 | −4±1 |
500 | MAP | 538±11 | 0.05 | −52±1 |
500 | MIP | 553±5 | 0.05 | −4±1 |
Data are presented as mean±SEM. PDI: polydispersity index; MAP: muco-adhesive particle; MIP: muco-inert nanoparticle.
: measured in 10 mM NaCl at pH 7.4 by dynamic light scattering;
: measured in 10 mM NaCl at pH 7.4.