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Biopolymers for Technology Applications
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Biopolymers for Technology Applications

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

Deadline for manuscript submissions: closed (30 November 2020) | Viewed by 16880

Special Issue Editors

Prof. Dr. Anderson de Oliveira Lobo

E-Mail Website
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
Special Issues, Collections and Topics in MDPI journals
Prof. Thomas Jay Webster

E-Mail Website1 Website2
Co-Guest Editor
Department of Chemical Engineering, Northeastern University, Boston, MA 02115, USA
Interests: nanomedicine; synthesis, design, and evaluation of nanomaterials for various implant applications
Dr. Edson C. Silva-Fiho

E-Mail Website
Co-Guest Editor
Chemistry Department, Universidade Federal do Piaui, Teresina 64049-550, PI, Brazil
Interests: synthesis; characterization; modification; ion exchange; adsorption; biological properties
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Biopolymers are organic molecules that are composed of repeating monomers and produced by living organisms, and they have many applications in different research fields. In this Special Edition, we are aiming to receive papers including experimental and theoretical studies on the fundamental behavior as well as applications of biopolymers, coming from the interdisciplinary physical chemistry, biochemical, biophysical, and biomedical research communities.

Prof. Anderson Oliveira Lobo
Prof. Thomas Jay Webster
Prof. Edson Cavalcanti da Silva Filho
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. 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

  • biopolymers
  • biomaterials
  • polysaccharides
  • composites
  • modification
  • characterization
  • nanostructures
  • thermal extrusion
  • spinning techniques
  • thermal properties
  • biological properties

Published Papers (2 papers)

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Research

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17 pages, 3208 KiB  
Article
Biocompatible Gels of Chitosan–Buriti Oil for Potential Wound Healing Applications
by Maria Onaira Gonçalves Ferreira, Idglan Sá Lima, Alessandra Braga Ribeiro, Anderson O. Lobo, Marcia S. Rizzo, Josy Anteveli Osajima, Leticia Miranda Estevinho and Edson C. Silva-Filho
Materials 2020, 13(8), 1977; https://0-doi-org.brum.beds.ac.uk/10.3390/ma13081977 - 23 Apr 2020
Cited by 18 | Viewed by 3150
Abstract
The buriti oil (Mauritia flexuosa L.) can be associated with polymeric matrices for biomedical applications. This study aimed to evaluate the effect of chitosan gel (CG) associated with buriti oil (CGB) as a healing agent. The fatty acids and volatile compounds composition [...] Read more.
The buriti oil (Mauritia flexuosa L.) can be associated with polymeric matrices for biomedical applications. This study aimed to evaluate the effect of chitosan gel (CG) associated with buriti oil (CGB) as a healing agent. The fatty acids and volatile compounds composition of buriti oil were performed and the composite gels were characterized using FTIR and thermal analysis. Biological tests including antimicrobial, antioxidant, anti-inflammatory and healing effects were also investigated. Buriti oil is composed of oleic and palmitic acids, and the main volatile compounds were identified. The buriti oil did not show antimicrobial activity, on the other hand, the composite gel (chitosan and oil) proved to be efficient against Staphylococcus aureus and Klebsiella pneumonia at the 10 mg/mL. Similar behavior was observed for antioxidant activity, determined by the β-carotene bleaching assay, composite gels presenting higher activity and buriti oil showed anti-inflammatory activity, which may be related to the inhibition of the release of free radicals. Regarding wound healing performed using in vivo testing, the composite gel (CGB) was found to promote faster and complete wound retraction. The results indicated that the gel chitosan–buriti oil has a set of properties that improve its antibacterial, antioxidant and healing action, suggesting that this material can be used to treat skin lesions. Full article
(This article belongs to the Special Issue Biopolymers for Technology Applications)
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Review

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41 pages, 3392 KiB  
Review
Recent Achievements in Polymer Bio-Based Flocculants for Water Treatment
by Piotr Maćczak, Halina Kaczmarek and Marta Ziegler-Borowska
Materials 2020, 13(18), 3951; https://0-doi-org.brum.beds.ac.uk/10.3390/ma13183951 - 07 Sep 2020
Cited by 89 | Viewed by 13207
Abstract
Polymer flocculants are used to promote solid–liquid separation processes in potable water and wastewater treatment. Recently, bio-based flocculants have received a lot of attention due to their superior advantages over conventional synthetic polymers or inorganic agents. Among natural polymers, polysaccharides show many benefits [...] Read more.
Polymer flocculants are used to promote solid–liquid separation processes in potable water and wastewater treatment. Recently, bio-based flocculants have received a lot of attention due to their superior advantages over conventional synthetic polymers or inorganic agents. Among natural polymers, polysaccharides show many benefits such as biodegradability, non-toxicity, ability to undergo different chemical modifications, and wide accessibility from renewable sources. The following article provides an overview of bio-based flocculants and their potential application in water treatment, which may be an indication to look for safer alternatives compared to synthetic polymers. Based on the recent literature, a new approach in searching for biopolymer flocculants sources, flocculation mechanisms, test methods, and factors affecting this process are presented. Particular attention is paid to flocculants based on starch, cellulose, chitosan, and their derivatives because they are low-cost and ecological materials, accepted in industrial practice. New trends in water treatment technology, including biosynthetic polymers, nanobioflocculants, and stimulant-responsive flocculants are also considered. Full article
(This article belongs to the Special Issue Biopolymers for Technology Applications)
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