3D Printing Polyesters, Hydrogels and Composites for Medical Applications II

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 (25 October 2021) | Viewed by 4336

Special Issue Editors


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Guest Editor
Department of Materials Engineering, Federal University of Piauí, Teresina, Brazil
Interests: biomaterials; tissue engineering; biocompatibility in vitro and in vivo assays polymers; bioceramics; metal alloys; spinning techniques; plasma etching; atomic layer deposition
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Guest Editor
Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
Interests: bioengineering; bimaterials; 3D bioprinting; drug delivery; polymers

Special Issue Information

Dear Colleagues, 

Many issues have been encountered in replacing or regenerating organs from organ transplants due to potential risks of complications, limited donors, biological compatibility, and injuries due to body rejection. Today, numerous strategies to replace tissues and organs use synthetic and biological materials. Three-dimensional (3D) printing technology using commercial or homemade printing plotters has been applied to solve limitations in the traditional manner such materials are assembled. 3D printing has been used to rapidly manufacture personalized tissue engineering scaffolds, repair tissue defects in situ with cells, and even directly print tissue and organs. Such printed implants and organs not only perfectly match the patient’s damaged tissue but can also have engineered material microstructures and cell arrangements to promote cell growth and differentiation. Thus, such implants allow for desirable tissue repair and can solve donor shortage problems. In this Special Issue, we will assemble original research and review papers from experts worldwide discussing recent progress, strategies, problems, and case studies using 3D printing and bioprinting technology for tissue engineering purposes. The issue will also include papers on the future of 3D printing (such as emerging work in 4D printing in which the 4th dimension is time to change the shape of 3D-printed scaffolds after implantation to ensure success), as well as promises and pitfalls of such research. 

Prof. Dr. Anderson Oliveira Lobo
Dr. Shabir Hassan
Guest Editors

Manuscript Submission Information

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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

  • Novel additive manufacturing processes and techniques
  • Modeling and simulation of additive manufacturing processes
  • New materials for 3D printing
  • Hybrid additive and conventional manufacturing
  • Medical applications of 3D printing and bioprinting
  • Advances in personal 3D Printers and consumer adoption
  • Mass customization, new business models
  • Material performance standards and data exchange forma

Published Papers (1 paper)

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Review

28 pages, 4088 KiB  
Review
Four-Dimensional Printing for Hydrogel: Theoretical Concept, 4D Materials, Shape-Morphing Way, and Future Perspectives
by Syed Sarim Imam, Afzal Hussain, Mohammad A. Altamimi and Sultan Alshehri
Polymers 2021, 13(21), 3858; https://0-doi-org.brum.beds.ac.uk/10.3390/polym13213858 - 08 Nov 2021
Cited by 13 | Viewed by 3775
Abstract
The limitations and challenges possessed in static 3D materials necessitated a new era of 4D shape-morphing constructs for wide applications in diverse fields of science. Shape-morphing behavior of 3D constructs over time is 4D design. Four-dimensional printing technology overcomes the static nature of [...] Read more.
The limitations and challenges possessed in static 3D materials necessitated a new era of 4D shape-morphing constructs for wide applications in diverse fields of science. Shape-morphing behavior of 3D constructs over time is 4D design. Four-dimensional printing technology overcomes the static nature of 3D, improves substantial mechanical strength, and instills versatility and clinical and nonclinical functionality under set environmental conditions (physiological and artificial). Four-dimensional printing of hydrogel-forming materials possesses remarkable properties compared to other printing techniques and has emerged as the most established technique for drug delivery, disease diagnosis, tissue engineering, and biomedical application using shape-morphing materials (natural, synthetic, semisynthetic, and functionalized) in response to single or multiple stimuli. In this article, we addressed a fundamental concept of 4D-printing evolution, 4D printing of hydrogel, shape-morphing way, classification, and future challenges. Moreover, the study compiled a comparative analysis of 4D techniques, 4D products, and mechanical perspectives for their functionality and shape-morphing dynamics. Eventually, despite several advantages of 4D technology over 3D technique in hydrogel fabrication, there are still various challenges to address with using current advanced and sophisticated technology for rapid, safe, biocompatible, and clinical transformation from small-scale laboratory (lab-to-bed translation) to commercial scale. Full article
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