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Polymers
Special Issues
Physicochemical Properties of Biodegradable Polymers
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Physicochemical Properties of Biodegradable Polymers

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

Deadline for manuscript submissions: closed (31 July 2021) | Viewed by 4584

Special Issue Editor

Dr. Magdalena Kobielarz

E-Mail Website
Guest Editor
Department of Mechanics, Materials and Biomedical Engineering, Wrocław University of Science and Technology, 50-370 Wrocław, Poland
Interests: biomechanics; mechanical properties of polymers and copolymers; modification and functionalization of biopolymers; biodegradation of polymers; mechanical properties of biological tissues and tissues' structural components; constitutive modeling of fibre-reinforced tissues and biomaterials

Special Issue Information

Dear Colleagues,

Biodegradable polymers and copolymers are increasingly being used in biomedical applications due to their acceptable physicochemical properties, ease of processing, and low (or lack of) cytotoxicity. Moreover, they are the best alternative for construction materials mechanically unadjusted to loads prevailing in human tissues. The bulk and surface modification or functionalization of polymers by chemical and physical methods, and the conditions of manufacturing and processing processes, can strongly affect the physicochemical properties of biodegradable polymers and their biocompatibility. Even slight changes can exclude polymers from applications.

This Special Issue of Polymers, entitled "Physicochemical Properties of Biodegradable Polymers", is concerned with versatile and current research on physicochemical properties, particularly mechanical properties, of biodegradable polymers for biomedical applications. Topics may include the determination of physicochemical properties and biocompatibility and the alterations that occur during polymerization, copolymerization, manufacturing, processing, physical and chemical modifications, functionalization, covering, and degradation. Both original research articles and reviews are welcome.

Dr. Magdalena Kobielarz
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

  • biodegradable polymers and copolymers
  • mechanical properties
  • chemical and physical properties
  • bulk and surface modification
  • surface functionalization
  • biodegradation
  • biocompatibility and cytocompatibility
  • biomedical applications

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

15 pages, 16193 KiB  
Article
The Role of the Mechanical, Structural, and Thermal Properties of Poly(l-lactide-co-glycolide-co-trimethylene carbonate) in the Development of Rods with Aripiprazole
by Artur Turek, Jakub Rech, Aleksandra Borecka, Justyna Wilińska, Magdalena Kobielarz, Henryk Janeczek and Janusz Kasperczyk
Polymers 2021, 13(20), 3556; https://doi.org/10.3390/polym13203556 - 15 Oct 2021
Cited by 3 | Viewed by 1925
Abstract
In this work, we aimed to determine the role of the mechanical, structural, and thermal properties of poly(l-lactide-co-glycolide-co-trimethylene carbonate) (P(l-LA:GA:TMC)) with shape memory in the formulation of implantable and biodegradable rods with aripiprazole (ARP). Hot [...] Read more.
In this work, we aimed to determine the role of the mechanical, structural, and thermal properties of poly(l-lactide-co-glycolide-co-trimethylene carbonate) (P(l-LA:GA:TMC)) with shape memory in the formulation of implantable and biodegradable rods with aripiprazole (ARP). Hot melt extrusion (HME) and electron beam (EB) irradiation were applied in the formulation process of blank rods and rods with ARP. Rod degradation was carried out in a PBS solution. HPLC; NMR; DSC; compression and tensile tests; molecular weight (Mn); water uptake (WU); and weight loss (WL) analyses; and SEM were used in this study. HME and EB irradiation did not influence the structure of ARP. The mechanical tests indicated that the rods may be safely implanted using a pre-filled syringe. During degradation, no unfavorable changes in terpolymer content were observed. A decrease in the glass transition temperature and the Mn, and an increase in the WU and the WL were revealed. The loading of ARP and EB irradiation induced earlier pore formation and more intense WU and WL changes. ARP was released in a tri-phasic model with the lag phase; therefore, the proposed formulation may be administered as a delayed-release system. EB irradiation was found to accelerate ARP release. Full article
(This article belongs to the Special Issue Physicochemical Properties of Biodegradable Polymers)
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25 pages, 5385 KiB  
Article
Biodegradation Process of PSF-PUR Blend Hollow Fiber Membranes Using Escherichia coli Bacteria—Evaluation of Changes in Properties and Porosity
by Wioleta Sikorska, Małgorzata Milner-Krawczyk, Monika Wasyłeczko, Cezary Wojciechowski and Andrzej Chwojnowski
Polymers 2021, 13(8), 1311; https://doi.org/10.3390/polym13081311 - 16 Apr 2021
Cited by 8 | Viewed by 1840
Abstract
This work was focused on biodegradation with Escherichia coli bacteria studies of PSF-PUR blend semipermeable hollow fiber membranes that possibly can undergo a partial degradation process. Hollow fiber membranes were obtained from polysulfone (PSF) and polyurethane (PUR) containing ester bonds in the polymer [...] Read more.
This work was focused on biodegradation with Escherichia coli bacteria studies of PSF-PUR blend semipermeable hollow fiber membranes that possibly can undergo a partial degradation process. Hollow fiber membranes were obtained from polysulfone (PSF) and polyurethane (PUR) containing ester bonds in the polymer chain in various weight ratios using two solvents: N,N-Dimethylmethanamide (DMF) or N-Methylpyrrolidone (NMP). The membranes that underwent the biodegradation process were tested for changes in the ultrafiltration coefficient (UFC), retention and cut-off point. Moreover, the membranes were subjected to scanning electron microscopy (SEM), MeMoExplorerTM Software and Fourier-transform infrared spectroscopy (FT-IR) analysis. The influence of E. coli and its metabolites has been proven by the increase in UFC after biodegradation and changes in the selectivity and porosity of individual membranes after the biodegradation process. Full article
(This article belongs to the Special Issue Physicochemical Properties of Biodegradable Polymers)
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