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International Journal of Bioprinting 3D-Printed scaffolds

[2017] No.344), Scientific Research Fund Project of 6. Zhuang P, Sun AX, An J, et al., 2018, 3D Neural tissue
Wuhan Institute of Technology (Grant No. K201861), models: from spheroids to bioprinting. Biomaterials, 154:
and South Hubei Talents Project of Innovation and 113–133.
Entrepreneurship (Grant [2019] No.11). https://doi.org/10.1016/j.biomaterials.2017.10.002
Conflict of interest 7. Daly AC, Pitacco P, Nulty J, et al., 2018, 3D printed
microchannel networks to direct vascularisation during
All authors declare that they have no conflicts of interest. endochondral bone repair. Biomaterials, 162: 34–46.
Author contributions https://doi.org/10.1016/j.biomaterials.2018.01.057
8. Liu DH, Nie W, Li DJ, et al., 2019, 3D printed PCL/SrHA
G-P.Y. designed the experiments. F.L., S-Y.Z., and Z-W.L. scaffold for enhanced bone regeneration. Chem Eng J, 362:
manufactured and characterized the samples. H-L.K. and 269–279.
F.L. carried out the in vitro and in vivo experiments. F.L.
and G-P.Y. wrote the paper and conducted the analysis 9. Agudelo RR, Scheuermann K, García AG, et al., 2018,
and discussions. All authors discussed the results and Hybrid nanofibers based on poly-caprolactone/gelatin/
commented on the manuscript. S-Y.Z. and Z-W.L. hydroxyapatite nanoparticles-loaded doxycycline: effective
anti-tumoral and antibacterial activity. Mat Sci Eng C Mater
contributed equally to this work.
Biol Appl, 83: 25–34.
Ethics approval and consent to participate https://doi.org/10.1016/j.msec.2017.08.012

All animal experiments were performed at the Tongji 10. Kang HL, Jiang XD, Liu ZW, et al., 2021, Biodegradable
Hospital of Huazhong University of Science and 3D printed scaffolds of modified poly (Trimethylene
Technology in accordance with protocols approved by the Carbonate) composite materials with poly (L-Lactic Acid)
Institutional Animal Care and Use Committee. and hydroxyapatite for bone regeneration. Nanomaterials
(Basel), 11: 3215.
Consent for publication https://doi.org/10.3390/nano11123215
Not applicable. 11. Hu B, Du HJ, Yan GP, et al., 2014, Magnetic polycarbonate
microspheres for tumor-targeted delivery of tumor necrosis
Availability of data factor. Drug Deliv, 21: 204–212.
The data that support the findings of this study are available https://doi.org/10.3109/10717544.2013.843609
from the corresponding author on reasonable request. 12. Wang X, Jiang M, Zhou ZW, et al., 2017, 3D printing of
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