volume 138 issue 2 pages 49662

Highly filled poly( l ‐lactic acid)/hydroxyapatite composite for 3D printing of personalized bone tissue engineering scaffolds

Publication typeJournal Article
Publication date2020-07-27
scimago Q2
wos Q3
SJR0.572
CiteScore5.8
Impact factor2.8
ISSN00218995, 10974628
Materials Chemistry
Surfaces, Coatings and Films
General Chemistry
Polymers and Plastics
Abstract

The designing of new biodegradable polymer composites is one of the most promising areas of modern orthopedics and regenerative surgery. At present, a number of methods have been proposed for designing and processing biodegradable polymer composites via various 3D printing technologies; however, the homogeneity of filler distribution together with mechanical properties of scaffolds made of such composites are far from those required for clinical use. In this study, the method for producing biodegradable composite material based on poly(l‐lactic acid) (PLLA) solution in organic solvent and hydroxyapatite (HAp) powder was proposed. The influence of HAp weight fraction and additional annealing on PLLA matrix crystallinity was investigated. It was shown that crystallinity of PLLA decreases from 58.84 ± 1.21 to 17.33 ± 1.69 as HAp weight fraction increased from 0 to 50 wt%. However, HAp filler promoted PLLA crystallites growth according to the X‐ray powder diffraction analysis. The results of nanoindentation showed Young's modulus values of the 3D‐printed scaffolds with 50 wt% of HAp at the level of human femur and tibia.

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Dubinenko G. E. et al. Highly filled poly( l ‐lactic acid)/hydroxyapatite composite for 3D printing of personalized bone tissue engineering scaffolds // Journal of Applied Polymer Science. 2020. Vol. 138. No. 2. p. 49662.
GOST all authors (up to 50) Copy
Dubinenko G. E., Dubinenko G., Zinoviev A., Bolbasov E. N., Bolbasov E., Kozelskaya A., Shesterikov E., Novikov V., Tverdokhlebov S. I. Highly filled poly( l ‐lactic acid)/hydroxyapatite composite for 3D printing of personalized bone tissue engineering scaffolds // Journal of Applied Polymer Science. 2020. Vol. 138. No. 2. p. 49662.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1002/app.49662
UR - https://onlinelibrary.wiley.com/doi/10.1002/app.49662
TI - Highly filled poly( l ‐lactic acid)/hydroxyapatite composite for 3D printing of personalized bone tissue engineering scaffolds
T2 - Journal of Applied Polymer Science
AU - Dubinenko, Gleb E
AU - Dubinenko, Gleb
AU - Zinoviev, Aleksey
AU - Bolbasov, E. N.
AU - Bolbasov, Evgeny
AU - Kozelskaya, Anna
AU - Shesterikov, Evgeniy
AU - Novikov, Victor
AU - Tverdokhlebov, S. I.
PY - 2020
DA - 2020/07/27
PB - Wiley
SP - 49662
IS - 2
VL - 138
SN - 0021-8995
SN - 1097-4628
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2020_Dubinenko,
author = {Gleb E Dubinenko and Gleb Dubinenko and Aleksey Zinoviev and E. N. Bolbasov and Evgeny Bolbasov and Anna Kozelskaya and Evgeniy Shesterikov and Victor Novikov and S. I. Tverdokhlebov},
title = {Highly filled poly( l ‐lactic acid)/hydroxyapatite composite for 3D printing of personalized bone tissue engineering scaffolds},
journal = {Journal of Applied Polymer Science},
year = {2020},
volume = {138},
publisher = {Wiley},
month = {jul},
url = {https://onlinelibrary.wiley.com/doi/10.1002/app.49662},
number = {2},
pages = {49662},
doi = {10.1002/app.49662}
}
MLA
Cite this
MLA Copy
Dubinenko, Gleb E., et al. “Highly filled poly( l ‐lactic acid)/hydroxyapatite composite for 3D printing of personalized bone tissue engineering scaffolds.” Journal of Applied Polymer Science, vol. 138, no. 2, Jul. 2020, p. 49662. https://onlinelibrary.wiley.com/doi/10.1002/app.49662.