Vesicle size (VS) and polydispersity index (PI) were determined at 25 °C by dynamic light scattering using a Zetasizer NanoZS90 analyzer (Malvern Instruments, Malvern, UK) at 90° scattering angle.
The size distribution of OMVs was measured by dynamic light scattering using Zetasizer Nano ZS (Malvern Instruments) and was analyzed by Dynamic V6 software [43].
The measurement of macromolecule sizes was analyzed by dynamic light scattering using a NanoZS (Malvern Instrumenyts Inc., UK).
Particle aggregation was analyzed by dynamic light scattering using a Zetasizer Nano ZS system (Malvern Instruments).
The particle size of liposomes was measured by dynamic light scattering using Zetasizer Nano ZS (Malvern, Worcestershire, UK) at 25°C.
The particle size and zeta potential of liposomes were measured by laser light scattering using a particle size analyzer ELS-80000, OutSeongnameongnam, South Korea).
The particle size and zeta potential of PEI-NH-CNTs were determined by dynamic light scattering using Zetasizer Nano ZS system (Malvern Instruments, Worcestershire, UK).
The size and the zeta potential of the nanoparticles (at pH 7) were measured by dynamic light scattering using a Zetasizer (Malvern Instruments).
The particle size and zeta potential of PEI-GO were determined by dynamic light scattering using Zetasizer Nano ZS system (Malvern Instruments, Worcestershire, UK).
The GNPs were characterized by transmission electron microscopy (H7000; Hitachi Corp. Tokyo, Japan), UV-spectroscopy (Lambda 40; PerkinElmer, Waltham, MA), and by dynamic light scattering using 90 Plus Particle Sizer Analyzer (Brookhaven Instruments Corp. New York, NY) to determine the size of the particles.
