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Advances in Agro-Polymers
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Advances in Agro-Polymers

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (15 January 2024) | Viewed by 1841

Special Issue Editor

Dr. In Chul Um

E-Mail Website
Guest Editor
Department of Biofibers and Biomaterials Science, Kyungpook National University, Daegu, Republic of Korea
Interests: silk; biopolymer; natural fiber; non-woven fabric; wet-spinning; electro-spinning
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Agro-polymers are obtained from byproducts of agriculture and include cellulose, lignin, starch, silk fibroin, silk sericin, wool keratin, soy, zein, pectin, collagen, and so on. Recently, the agro-polymers have attracted researchers’ attention because they are environment friendly due to that they are from nature. They have unique properties including good biocompatibility, biodegradability, excellent cytocompatibility, and high water retentions. Thanks to these useful properties, the agro-polymers are considered to use them for the biomedical, cosmetic, and health care products applications.

In this special issue, researchers from both academia and industry are invited to submit their latest studies on the agro-polymers. The object of this special issue is to provide a platform for knowledge and experience exchange on the recent studies on the fabrication, structure, properties, and application of agro-polymers.

Dr. In Chul Um
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. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. 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

  • cellulose
  • lignin
  • starch
  • fibroin
  • sericin
  • keratin
  • soy
  • zein
  • pectin
  • collagen
  • biocompatibility
  • biodegradability

Published Papers (2 papers)

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Research

14 pages, 5973 KiB  
Article
A Novel Fabrication of Heterogeneous Saponified Poly(Vinyl Alcohol)/Pullulan Blend Film for Improved Wound Healing Application
by Sabina Yeasmin, Jae Hoon Jung, Jungeon Lee, Tae Young Kim, Seong Baek Yang, Dong-Jun Kwon, Myoung Ok Kim and Jeong Hyun Yeum
Int. J. Mol. Sci. 2024, 25(2), 1026; https://doi.org/10.3390/ijms25021026 - 14 Jan 2024
Viewed by 634
Abstract
In this study, a novel film of poly(vinyl alcohol) (PVA)/pullulan (PULL) with improved surface characteristics was prepared from poly(vinyl acetate) (PVAc)/PULL blend films with various mass ratios after the saponification treatment in a heterogeneous medium. According to proton nuclear magnetic resonance (1 [...] Read more.
In this study, a novel film of poly(vinyl alcohol) (PVA)/pullulan (PULL) with improved surface characteristics was prepared from poly(vinyl acetate) (PVAc)/PULL blend films with various mass ratios after the saponification treatment in a heterogeneous medium. According to proton nuclear magnetic resonance (1H-NMR), Fourier transform infrared, and X-ray diffraction results, it was established that the successful fabrication of saponified PVA/PULL (100/0, 90/10, and 80/20) films could be obtained from PVAc/PULL (100/0, 90/10, and 80/20) films, respectively, after 72 h saponification at 50 °C. The degree of saponification calculated from 1H-NMR analysis results showed that fully saponified PVA was obtained from all studied films. Improved hydrophilic characteristics of the saponified films were revealed by a water contact angle test. Moreover, the saponified films showed improved mechanical behavior, and the micrographs of saponified films showed higher surface roughness than the unsaponified films. This kind of saponified film can be widely used for biomedical applications. Moreover, the reported saponified film dressing extended the lifespan of dressing as determined by its self-healing capacity and considerably advanced in vivo wound-healing development, which was attributed to its multifunctional characteristics, meaning that saponified film dressings are promising candidates for full-thickness skin wound healing. Full article
(This article belongs to the Special Issue Advances in Agro-Polymers)
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14 pages, 20226 KiB  
Article
Fabrication, Structural Characteristics, and Properties of Sericin-Coated Wool Nonwoven Fabrics
by Hye Gyeoung Lee, Mi Jin Jang and In Chul Um
Int. J. Mol. Sci. 2023, 24(19), 14750; https://doi.org/10.3390/ijms241914750 - 29 Sep 2023
Viewed by 832
Abstract
Recently, nonwoven fabrics from natural silk have attracted considerable attention for biomedical and cosmetic applications because of their good mechanical properties and cytocompatibility. Although these fabrics can be easily fabricated using the binding character of sericin, the high cost of silk material may [...] Read more.
Recently, nonwoven fabrics from natural silk have attracted considerable attention for biomedical and cosmetic applications because of their good mechanical properties and cytocompatibility. Although these fabrics can be easily fabricated using the binding character of sericin, the high cost of silk material may restrict its industrial use in certain areas. In this study, sericin was added as a binder to a cheaper material (wool) to prepare wool-based nonwoven fabrics and investigate the effect of the amount of sericin added on the structural characteristics and properties of the wool nonwoven fabric. It was found using SEM that sericin coated the surface of wool fibers and filled the space between them. With an increase in sericin addition, the porosity, moisture regain, and the contact angle of the sericin-coated wool nonwoven fabric decreased. The maximum stress and initial Young’s modulus of the nonwoven fabric increased with the increase in sericin amount up to 32.5%, and decreased with a further increase in the amount of sericin. Elongation at the end steadily decreased with the increase in sericin addition. All of the nonwoven fabrics showed good cytocompatibility, which increased with the amount of sericin added. These results indicate that sericin-coated wool-based nonwoven fabrics may be successfully prepared by adding sericin to wool fibers, and that the properties of these fabrics may be diversely controlled by altering the amount of sericin added, making them promising candidates for biomedical and cosmetic applications. Full article
(This article belongs to the Special Issue Advances in Agro-Polymers)
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