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. 2018 Jul 25;25(1):1570–1578. doi: 10.1080/10717544.2018.1489430

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© 2018 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 4. — Cellular uptake of HSA-PEG/DiIC₁₈ in SK-BR-3cells. The images were obtained by a confocal laser scanning microscope 4 h after the treatment of HSA-PEG/DiIC₁₈. (a) DAPI (blue), (b) DiIC₁₈ (red), (c) differential interference contrast (DIC) image, (d) merged image, and (e) merged image with orthogonal z-stack projection.