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Polish Academy of Sciences

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Aleksandra Bandzerewicz


Recent publications
1.  Bandzerewicz A., Wierzchowski K., Mierzejwska J., Denis P., Gołofit T., Patrycja S., Pilarek M., Gadomska-Gajadhur A., Biological Activity of Poly(1,3-propanediol citrate) Films andNonwovens: Mechanical, Thermal, Antimicrobial, andCytotoxicity Studies, Macromolecular Rapid Communications, ISSN: 1521-3927, DOI: 10.1002/marc.202300452, Vol.45, pp.1-18, 2024

Abstract:
Polymers are of great interest for medical and cosmeceutical applications. Thecurrent trend is to combine materials of natural and synthetic origin in orderto obtain products with appropriate mechanical strength and goodbiocompatibility, additionally biodegradable and bioresorbable. Citric acid,being an important metabolite, is an interesting substance for the synthesis ofmaterials for biomedical applications. Due to the high functionality of themolecule, it is commonly used in biomaterials chemistry as a crosslinkingagent. Among citric acid-based biopolyesters, poly(1,8-octanediol citrate) isthe best known. It shows application potential in soft tissue engineering. Thiswork focuses on a much less studied polyester, poly(1,3-propanediol citrate).Porous and non-porous materials based on the synthesized polyesters areprepared and characterized, including mechanical, thermal, and surfaceproperties, morphology, and degradation. The main focus is on assessing thebiocompatibility and antimicrobial properties of the materials.

Keywords:
biomaterials, cell cultures, citric acid polyesters, electrospinning

Affiliations:
Bandzerewicz A. - other affiliation
Wierzchowski K. - other affiliation
Mierzejwska J. - other affiliation
Denis P. - IPPT PAN
Gołofit T. - other affiliation
Patrycja S. - other affiliation
Pilarek M. - other affiliation
Gadomska-Gajadhur A. - Nałęcz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences (PL)
2.  Bandzerewicz A., Howis J., Wierzchowski K., Miroslav S., Jiri H., Denis P., Gołofit T., Pilarek M., Gadomska-Gajadhur A., Exploring the application of poly(1,2-ethanediol citrate)/polylactide nonwovens in cell culturing, Frontiers in Bioengineering and Biotechnology, ISSN: 2296-4185, DOI: 10.3389/fbioe.2024.1332290, Vol.12, pp.1-13, 2024

Abstract:
Biomaterials containing citric acid as a building unit show potential for use as blood vessel and skin tissue substitutes. The success in commercializing implants containing a polymer matrix of poly(1,8-octanediol citrate) provides a rationale for exploring polycitrates based on other diols. Changing the aliphatic chain length of the diol allows functional design strategies to control the implant’s mechanical properties, degradation profile and surface energy. In the present work, poly(1,2-ethanediol citrate) was synthesized and used as an additive to polylactide in the electrospinning process. It was established that the content of polycitrate greatly influences the nonwovens’ properties: an equal mass ratio of polymers resulted in the best morphology. The obtained nonwovens were characterized by surface hydrophilicity, tensile strength, and thermal properties. L929 cell cultures were carried out on their surface. The materials were found to be non-cytotoxic and the degree of porosity was suitable for cell colonization. On the basis of the most important parameters for assessing the condition of cultured cells (cell density and viability, cell metabolic activity and lactate dehydrogenase activity), the potential of PLLA + PECit nonwovens for application in tissue engineering was established.

Affiliations:
Bandzerewicz A. - other affiliation
Howis J. - other affiliation
Wierzchowski K. - other affiliation
Miroslav S. - other affiliation
Jiri H. - other affiliation
Denis P. - IPPT PAN
Gołofit T. - other affiliation
Pilarek M. - other affiliation
Gadomska-Gajadhur A. - Nałęcz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences (PL)

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