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3.3.2. Dynamic Light Scattering (DLS) and Zeta Potential

VN Vanesa Nozal
ER Elisa Rojas-Prats
IM Inés Maestro
CG Carmen Gil
DP Daniel I. Perez
AM Ana Martinez
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Dynamic Light Scattering (DLS) was used to determine the size of NPs as well as the polydispersity index (PDI) employing a DynaPro MS/X, (Wyatt Inc., Santa Barbara, CA, USA). Dry nanoparticles were re-suspended in deionized water and sonicated for 10 min to improve dispersion homogeneity. Every sample was housed in quartz cuvettes and measured 40 times in one run. The zeta potential values were determined by laser Doppler anemometry using a Zetasizer Nano ZS instrument (Malvern, UK) at 25 °C. Samples were measured in triplicate.

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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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