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Polymers 2018, 10(12), 1299; https://doi.org/10.3390/polym10121299

Novel Pathway for Efficient Covalent Modification of Polyester Materials of Different Design to Prepare Biomimetic Surfaces

1
Institute of Chemistry, Saint-Petersburg State University, St. Petersburg 199034, Russia
2
Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg 199004, Russia
3
Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia
4
Institute of Experimental Medicine, Russian Academy of Sciences, St. Petersburg 197376, Russia
5
Institute of Technical Chemistry, Gottfried-Wilhelm-Leibniz University of Hannover, 30167 Hannover, Germany
*
Author to whom correspondence should be addressed.
Received: 8 November 2018 / Revised: 20 November 2018 / Accepted: 21 November 2018 / Published: 23 November 2018
(This article belongs to the Special Issue Functional Polymers for Biomedicine)
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Abstract

To form modern materials with biomimic surfaces, the novel pathway for surface functionalization with specific ligands of well-known and widely used polyester-based rigid media was developed and optimized. Two types of material bases, namely, poly(lactic acid) and poly(ε-caprolactone), as well as two types of material design, e.g., supermacroporous matrices and nanoparticles (NPs), were modified via covalent attachment of preliminary oxidized polyvinylsaccharide poly(2-deoxy-N-methacryloylamido-d-glucose) (PMAG). This polymer, being highly biocompatible and bioinspired, was used to enhance hydrophilicity of the polymer surface and to provide the elevated concentration of reactive groups required for covalent binding of bioligands of choice. The specialties of the interaction of PMAG and its preliminary formed bioconjugates with a chemically activated polyester surface were studied and thoroughly discussed. The supermacroporous materials modified with cell adhesion motifs and Arg-Gly-Asp-containing peptide (RGD-peptide) were tested in the experiments on bone tissue engineering. In turn, the NPs were modified with bioligands (“self-peptide” or camel antibodies) to control their phagocytosis that can be important, for example, for the preparation of drug delivery systems. View Full-Text
Keywords: biofunctionalization; polyvinylsaccharide; polyesters; PLA; PCL; bioligands; scaffolds for bone tissue engineering; nanoparticles for drug delivery; cells adhesion; phagocytosis biofunctionalization; polyvinylsaccharide; polyesters; PLA; PCL; bioligands; scaffolds for bone tissue engineering; nanoparticles for drug delivery; cells adhesion; phagocytosis
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Korzhikov-Vlakh, V.; Averianov, I.; Sinitsyna, E.; Nashchekina, Y.; Polyakov, D.; Guryanov, I.; Lavrentieva, A.; Raddatz, L.; Korzhikova-Vlakh, E.; Scheper, T.; Tennikova, T. Novel Pathway for Efficient Covalent Modification of Polyester Materials of Different Design to Prepare Biomimetic Surfaces. Polymers 2018, 10, 1299.

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