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. 2020 Apr 10;10(4):720. doi: 10.3390/nano10040720

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© 2020 by the authors.

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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Transmission electron microscopy of the different formulations of nanoparticles (A) DXI PLGA NPs using Lutrol; (B) DXI PLGA NPs using PVA; (C) DXI PLGA NPs using Tween80^®; (D) DXI PLGA5%PEG NPs using Lutrol; (E) DXI PLGA 5% PEG NPs using PVA; (F) DXI PLGA 5% PEG NPs using Tween80^®; (G) DXI PLGA 10%PEG NPs using Lutrol; (H) DXI PLGA 10% PEG NPs using PV; (I) DXI PLGA 10% PEG NPs using Tween80^®; (J) DXI PLGA15%PEG NPs using Lutrol; (K) DXI PLGA 15% PEG NPs using PVA and (L) DXI PLGA 15% PEG NPs using Tween80^® as a surfactant.