Silk-Based Materials and Composites

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (30 November 2021) | Viewed by 2970

Special Issue Editors


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Guest Editor
1. Centre of Molecular and Environmental Biology (CBMA), Aquatic Research Network (ARNET) Associate Laboratory, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
2. Institute of Science and Innovation for Sustainability (IB-S), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
Interests: (nano)biotechnology; microbial cell factories; bioremediation; multifunctional materials; sustainability and circular economy
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Guest Editor
Chemistry Center and Chemistry Department, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
Interests: materials chemistry; sustainability; biopolymers; solid polymer electrolytes; advanced energy devices; biomimetism; bioinspiration; multifunctional materials

Special Issue Information

Dear Colleagues,

It is our pleasure to announce the opening of a new Special Issue in the Applied Sciences Journal.

Nature can offer an endless source of inspiration for creating new materials that respond to the high ecological, economic, and technical demands of our actual society. The scientific community should have an important role in seeking more efficient, reliable, multifunctional, recyclable, environmentally friendly, and less energy-consuming materials.

Silk is a commonly available natural biopolymer produced in specialized glands of arthropods. With a long history of use in textile, silk has been progressively employed in advanced applications with increasing complexity and multifunctionality. The exceptional intrinsic properties of silk, such as self-assembly, machinability, biocompatibility, biodegradation or nontoxicity, open a wide range of exciting applications. These have resulted in the use of silk not only for the development of advanced materials, but also as a template for the development of genetically engineered silk-based protein polymers. The formulation of composites comprising active fillers and silk-based materials further expands the potential range of applications, opening new perspectives in the development of a new generation of multifunctional biocomposites.

The present Special Issue on “Silk-Based Materials and Composites” aims to cover all aspects of silk-derived materials and composites that contribute to expand the knowledge around silk and push forward its potential range of applications. The topics covered by this Special Issue include but are not exclusively limited to: silk extraction from natural sources, design and formulation of silk-based materials and composites including those of recombinant origin, modification/functionalization, processing and characterization, and experimental validation.

We hope you will contribute your high-quality research, and we look forward to reading your valuable results.

Dr. Raul Machado
Dr. Rui F. P. Pereira
Guest Editors

Manuscript Submission Information

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Keywords

  • Natural silk extraction and purification
  • Genetically engineered silk-based protein polymers
  • Modification or functionalization of silk-based materials
  • Processing of silk-based materials
  • Silk-based composites
  • Characterization of silk-based materials

Published Papers (1 paper)

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Research

14 pages, 1459 KiB  
Communication
Protein-Engineered Polymers Functionalized with Antimicrobial Peptides for the Development of Active Surfaces
by Ana Margarida Pereira, Diana Gomes, André da Costa, Simoni Campos Dias, Margarida Casal and Raul Machado
Appl. Sci. 2021, 11(12), 5352; https://doi.org/10.3390/app11125352 - 9 Jun 2021
Cited by 7 | Viewed by 2066
Abstract
Antibacterial resistance is a major worldwide threat due to the increasing number of infections caused by antibiotic-resistant bacteria with medical devices being a major source of these infections. This suggests the need for new antimicrobial biomaterial designs able to withstand the increasing pressure [...] Read more.
Antibacterial resistance is a major worldwide threat due to the increasing number of infections caused by antibiotic-resistant bacteria with medical devices being a major source of these infections. This suggests the need for new antimicrobial biomaterial designs able to withstand the increasing pressure of antimicrobial resistance. Recombinant protein polymers (rPPs) are an emerging class of nature-inspired biopolymers with unique chemical, physical and biological properties. These polymers can be functionalized with antimicrobial molecules utilizing recombinant DNA technology and then produced in microbial cell factories. In this work, we report the functionalization of rPBPs based on elastin and silk-elastin with different antimicrobial peptides (AMPs). These polymers were produced in Escherichia coli, successfully purified by employing non-chromatographic processes, and used for the production of free-standing films. The antimicrobial activity of the materials was evaluated against Gram-positive and Gram-negative bacteria, and results showed that the polymers demonstrated antimicrobial activity, pointing out the potential of these biopolymers for the development of new advanced antimicrobial materials. Full article
(This article belongs to the Special Issue Silk-Based Materials and Composites)
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