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. 2021 Nov 16;9:749910. doi: 10.3389/fbioe.2021.749910

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Copyright © 2021 Yao, Zhu, Han, Xu, Dai, Nie and Liu.

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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(A) Typical TEM images of MSN, Eno@MSN, and Eno@MSN-D.(B). N₂ adsorption−desorption isotherms curves of the MSN. (C) Pore size distribution curves of the MSN. (D) The dynamic light scattering (DLS) curves of MSN, Eno@MSN, and Eno@MSN-D. (E) TGA curves recorded for MSN, Eno@MSN, and Eno@MSN-D. (F) Accumulative release curve of Eno@MSN-D in different pH PBS (pH = 7.4, 6.0).