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. Author manuscript; available in PMC: 2021 Apr 28.
Published in final edited form as: Eur Respir J. 2019 Aug 1;54(2):1900088. doi: 10.1183/13993003.00088-2019

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.

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