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Polymers
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Polymer Innovations for Advanced Biomedical Applications: Insights and Developments
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Polymer Innovations for Advanced Biomedical Applications: Insights and Developments

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Biobased and Biodegradable Polymers".

Deadline for manuscript submissions: 31 May 2025 | Viewed by 1137

Special Issue Editor

Prof. Dr. Alina Sionkowska

E-Mail Website
Guest Editor
Department of Biomaterials and Cosmetic Chemistry, Nicolaus Copernicus University in Torun, 87-100 Torun, Poland
Interests: polymers; biopolymers; cosmetic raw materials; biomaterials; collagen; chitosan
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Polymer-based materials are widely used in biomedical fields. This Special Issue deals with innovations that may lead to new polymer-based products for biomedical applications. Papers regarding innovations in polymer synthesis, modifications, blending, and the fabrication of polymer-based composites are highly expected. Innovative polymer-based materials for wound dressing, scaffolds, drug delivery systems, implants, face masks, etc., are of interest in this Special Issue.

Prof. Dr. Alina Sionkowska
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • polymers
  • innovations
  • biomaterials
  • cosmetics

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Published Papers (2 papers)

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Research

17 pages, 4021 KiB  
Article
The Effects of Shellac and Glycerol on the Physicochemical Properties of Chitosan Films
by Patrycja Brudzyńska and Alina Sionkowska
Polymers 2025, 17(10), 1298; https://doi.org/10.3390/polym17101298 - 9 May 2025
Viewed by 267
Abstract
Chitosan has been investigated for applications in biomaterials, pharmaceuticals, food, biodegradable packaging, and adsorbents. Various natural substances have been incorporated to modify chitosan properties and fabricate functionalized materials. Shellac, a lac-based biopolymer, is a biodegradable, edible, and biocompatible compound used in the food [...] Read more.
Chitosan has been investigated for applications in biomaterials, pharmaceuticals, food, biodegradable packaging, and adsorbents. Various natural substances have been incorporated to modify chitosan properties and fabricate functionalized materials. Shellac, a lac-based biopolymer, is a biodegradable, edible, and biocompatible compound used in the food and pharmaceutical industry. Several materials combining chitosan and shellac were studied for packaging, food preservation, or drug delivery systems. In the present study, chitosan films enriched with shellac and glycerol were prepared. The physicochemical characterization of biopolymeric materials was performed (atomic force microscopy, scanning electron microscopy, contact angle and surface free energy, attenuated total reflectance Fourier-transform infrared spectroscopy, thermogravimetric analysis, mechanical testing, and swelling analysis). The effect of shellac and glycerol on chitosan materials was investigated. As a result, modified chitosan films were homogeneous and were characterized by increased elongation at break, surface free energy, and surface hydrophilicity (samples containing higher concentration of shellac), as well as decreased tensile strength, swelling degree determined at a pH of 7.4, and surface roughness in comparison to pure chitosan films. No significant differences in the thermal properties of modified chitosan-based materials were observed. The incorporation of shellac and glycerol influenced the physicochemical properties of chitosan films, which may act as a matrix for incorporating active substances for use in biomaterials, food packaging, cosmetics, or pharmaceuticals. Full article
(This article belongs to the Special Issue Polymer Innovations for Advanced Biomedical Applications: Insights and Developments)
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24 pages, 5246 KiB  
Article
Elasticity in Porous 3D-Printed Polylactic Acid Scaffolds for Biomedical Applications: A Predictive Approach
by Matteo Sestini, Dario Puppi, Simona Braccini, Teresa Macchi, Beata Matungano, Sven Macolic, Tommaso Guazzini, Gianluca Parrini, Mario Milazzo and Serena Danti
Polymers 2025, 17(7), 836; https://doi.org/10.3390/polym17070836 - 21 Mar 2025
Viewed by 536
Abstract
Additive manufacturing (AM) is rapidly advancing, particularly in biomedical applications, necessitating a deeper understanding of the mechanical behavior of 3D-printed materials. Structures created using fused deposition modeling (FDM) exhibit anisotropic properties due to fabrication inhomogeneity and material architecture. Finite element modeling (FEM) is [...] Read more.
Additive manufacturing (AM) is rapidly advancing, particularly in biomedical applications, necessitating a deeper understanding of the mechanical behavior of 3D-printed materials. Structures created using fused deposition modeling (FDM) exhibit anisotropic properties due to fabrication inhomogeneity and material architecture. Finite element modeling (FEM) is commonly used to predict mechanical behavior, though studies on porous structures have not deeply investigated the influence of geometrical features on global mechanical behavior. This study aimed to correlate the mechanical properties of porous polylactic acid scaffolds with different patterns and infill densities, fabricated via AM through the synergies of experimental and computational approaches. Tensile testing and FEM simulations were conducted, revealing differences in elastic modulus and tensile strength based on infill orientation. A sensitivity analysis on the main geometrical features assessed variations in filament dimensions and layer spacing. FEM simulations showed strong agreement with experimental data, validating their predictive capability, with deviations due to minor structural defects and irregularities in the extruded filaments. This study established for the first time the influence of geometrical details on the elastic properties of porous scaffolds, opening up to new tailored design for, but not limited to, biomedical applications. Full article
(This article belongs to the Special Issue Polymer Innovations for Advanced Biomedical Applications: Insights and Developments)
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