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. 2020 Dec 13;27(1):1729–1740. doi: 10.1080/10717544.2020.1856219

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© 2020 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-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Developing and charactering arsenic trioxide (ATO) microcrystal-loaded microspheres (AM). (A). Representative electron microscope images of ATO microcrystal (left upper), AM (right upper), ATO large crystal (left lower), and vacant microsphere (right lower). Inset panel of right upper quadrant: Degrading AM to show the encapsulated ATO microcrystal. Bar = 5 μm. (B) Distribution of the size of AM. (C) Fourier-transform infrared spectroscopy (FT-IR) spectra of ATO, vacant PLGA microsphere, and AM. (D). Drug releasing curve of AM in PBS (pH = 5.8, 6.5, or 7.4) (data: mean ± SD).