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. 2019 Dec 17;7:424. doi: 10.3389/fbioe.2019.00424

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Copyright © 2019 Guimarães, Noro, Silva, Cavaco-Paulo and Nogueira.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Morphology profile of liposomes. Representative STEM images of liposomal formulation (A) before freeze-drying, (B) with sucrose (8:1 mass ratio), after freeze-drying and (C) without sucrose, after freeze-drying. The scale bar in the figures represents 2 μm.