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. 2021 Jun 24;16:4289–4319. doi: 10.2147/IJN.S311001

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© 2021 Cheng et al.

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SEM Images of nanocomposite scaffold architecture following extrusion with 400-µm diameter nozzle. (A) Top view of single layer print; (B) side view of seven-layer print displaying inter-layer spacing and lateral spacing between fibers; (CandD) cross-sectional view of single fibers following biopsy from the macrostructure.

Notes: Reproduced from Carrow JK, Di Luca A, Dolatshahi-Pirouz A, Moroni L, Gaharwar AK. 3D-printed bioactive scaffolds from nanosilicates and PEOT/PBT for bone tissue engineering. Regen Biomater. 2019;6(1):29–37.²¹⁶ Copyright © 2018, Oxford University Press. Creative Commons (https://creativecommons.org/licenses/by/4.0/legalcode).