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Advances in Polymeric Biomedical Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Polymeric Materials".

Deadline for manuscript submissions: closed (20 June 2022) | Viewed by 5209

Special Issue Editors


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Guest Editor
School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China
Interests: polymeric biomaterials; tissue engineering; biomedical devices; biofabrication; flexible electronics

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Guest Editor
Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
Interests: polymeric biomaterials; regenerative medicine; 3-D printing; drug delivery; nanotechnology

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Guest Editor
Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
Interests: biomaterials; tissue engineering; cancer research; spine applications; animal models

Special Issue Information

Dear Colleagues,

Over the past two decades, the interdisciplinary field of biomaterials and tissue engineering has experienced dynamic and rapid growth. Polymeric biomaterials possess many advantages due to their unique tailorability of chemical structures and physical properties, biodegradability, and the feasibility of fabricating them into medical devices for applications including tissue replacement, drug delivery, cancer therapy, and nonviral gene therapy. Based on the principles of polymer science and engineering, numerous strategies have been applied to develop biomaterials with controllable physical properties to satisfy diverse clinical needs by tuning their structural parameters and morphologies at different length scales. Polymeric biomaterials can be incorporated with natural materials and inorganic nanoparticles to achieve novel, unique properties and better performance. Biomimetic and intelligent polymeric systems have also been investigated to advance our material design strategies. Through controllable polymer properties, cell–material interactions such as cell adhesion, proliferation, migration, and differentiation can be modulated. Vesicles formed by amphiphilic polymers can be used as carriers for delivering drugs to desired targets. Polymer scaffolds with predesigned geometries and nanometer-scale or micron-scale structural parameters can be fabricated for diverse tissue engineering applications.

The aim of this Special Issue is to examine the synergy between material design strategies and biological evaluations through new and significant contributions from active researchers in the field. We invite authors to present original research articles that will stimulate the continuing efforts in developing novel polymeric systems for improving our fundamental understanding of cell/tissue–material interactions and biomedical applications. Topics of interest include, but are not limited to, the following:

  • Design, synthesis, and physicochemical characterization of novel polymeric biomaterials;
  • Cell/tissue–material interactions and biological evaluations of novel polymeric biomaterials;
  • Fabrication of surface patterns and scaffolds using polymeric biomaterials;
  • Novel polymeric systems and self-assembled structures for drug delivery;
  • Theoretical modeling of polymeric biomaterials and related biological functions.

Prof. Dr. Shanfeng Wang
Prof. Dr. Lichun Lu
Prof. Dr. Michael J. Yaszemski
Guest Editors

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. Materials 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 2600 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

  • polymeric biomaterials
  • tissue engineering
  • nanomedicine
  • scaffolding
  • biomedical devices

Published Papers (2 papers)

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Research

18 pages, 2912 KiB  
Article
New Organosilicon Composite Based on Borosiloxane and Zinc Oxide Nanoparticles Inhibits Bacterial Growth, but Does Not Have a Toxic Effect on the Development of Animal Eukaryotic Cells
by Denis N. Chausov, Dmitriy E. Burmistrov, Alexander D. Kurilov, Nikolai F. Bunkin, Maxim E. Astashev, Alexander V. Simakin, Maria V. Vedunova and Sergey V. Gudkov
Materials 2021, 14(21), 6281; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14216281 - 21 Oct 2021
Cited by 13 | Viewed by 2281
Abstract
The present study a comprehensive analysis of the antibacterial properties of a composite material based on borosiloxane and zinc oxide nanoparticles (ZnO NPs). The effect of the polymer matrix and ZnO NPs on the generation of reactive oxygen species, hydroxyl radicals, and long-lived [...] Read more.
The present study a comprehensive analysis of the antibacterial properties of a composite material based on borosiloxane and zinc oxide nanoparticles (ZnO NPs). The effect of the polymer matrix and ZnO NPs on the generation of reactive oxygen species, hydroxyl radicals, and long-lived oxidized forms of biomolecules has been studied. All variants of the composites significantly inhibited the division of E. coli bacteria and caused them to detach from the substrate. It was revealed that the surfaces of a composite material based on borosiloxane and ZnO NPs do not inhibit the growth and division of mammalians cells. It is shown in the work that the positive effect of the incorporation of ZnO NPs into borosiloxane can reach 100% or more, provided that the viscoelastic properties of borosiloxane with nanoparticles are retained. Full article
(This article belongs to the Special Issue Advances in Polymeric Biomedical Materials)
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15 pages, 2955 KiB  
Article
Bioactive Hydrogels: Design and Characterization of Cellulose-Derived Injectable Composites
by Andrea Fiorati, Cristina Linciano, Camilla Galante, Maria Grazia Raucci and Lina Altomare
Materials 2021, 14(16), 4511; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14164511 - 11 Aug 2021
Cited by 8 | Viewed by 1897
Abstract
Cellulose represents a low cost, abundant, and renewable polysaccharide with great versatility; it has a hierarchical structure composed of nanofibers with high aspect ratio (3–4 nm wide, hundreds of μm long). TEMPO-mediated oxidation represents one of the most diffused methods to obtain cellulose [...] Read more.
Cellulose represents a low cost, abundant, and renewable polysaccharide with great versatility; it has a hierarchical structure composed of nanofibers with high aspect ratio (3–4 nm wide, hundreds of μm long). TEMPO-mediated oxidation represents one of the most diffused methods to obtain cellulose nanofibers (CNFs): It is possible to obtain physically crosslinked hydrogels by means of divalent cation addition. The presence of inorganic components, such as calcium phosphates (CaP), can improve not only their mechanical properties but also the bioactivity of the gels. The aim of this work is to design and characterize a TEMPO-oxidized cellulose nanofibers (TOCNFs) injectable hydrogel embedded with inorganic particles, CaP and CaP-GO, for bone tissue regeneration. Inorganic particles act as physical crosslinkers, as proven by rheological characterization, which reported an increase in mechanical properties. The average load value registered in injection tests was in the range of 1.5–4.4 N, far below 30 N, considered a reasonable injection force upper limit. Samples were stable for up to 28 days and both CaP and CaP-GO accelerate mineralization as suggested by SEM and XRD analysis. No cytotoxic effects were shown on SAOS-2 cells cultured with eluates. This work demonstrated that the physicochemical properties of TOCNFs-based dispersions could be enhanced and modulated through the addition of the inorganic phases, maintaining the injectability and bioactivity of the hydrogels. Full article
(This article belongs to the Special Issue Advances in Polymeric Biomedical Materials)
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