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Polymers
Special Issues
Modification and Application of Natural Polymers
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Special Issue "Modification and Application of Natural Polymers"

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Biomacromolecules, Biobased and Biodegradable Polymers".

Deadline for manuscript submissions: 20 October 2023 | Viewed by 394

Special Issue Editor

Prof. Dr. Dengfeng Yang

E-Mail Website
Guest Editor
Guangxi Academy of Sciences, Nanning, China
Interests: biotechnology; structural biology; biosynthesis; natural product chemistry; marine actinomycetes

Special Issue Information

Dear Colleagues,

Natural polymers play an essential role in the human and natural world, and they can be derived from a wide variety of sources, such as plants, animals, and microorganisms. In recent years, a large number of natural polymers have been studied extensively. These polymers show a good variety of characteristics and an excellent application prospect in the field of food and medicine. However, these natural polymers are sometimes less useful due to some poor properties. Thus, modified or biodegraded natural polymers tend to show better characteristics and have better applications, such as from high polymerization degree to low polymerization degree sugar tend to have higher biological activity.  Natural polymers have been widely used in a variety of applications such as industry, agriculture, food, and pharmaceuticals.

The proposed Special Issue focuses on:

✓ The discovery of natural polymers derived from plants, animals, and microorganisms.

✓ The physical, chemical, and biological characterization of natural polymers.

✓ The modification of natural polymers.

✓ Synthesis of artificial polymers.

✓ Characteristics of the functional properties of natural polymers.

✓ New applications of modified or natural polymers.

Prof. Dr. Dengfeng Yang
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. 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

  • natural polymers
  • polysaccharide
  • polypeptide
  • modifications
  • synthesis
  • artificial polymers
  • functional properties
  • biodegradable
  • application

Published Papers (1 paper)

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Research

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Article
Structural and Physical Properties of Alginate Pretreated by High-Pressure Homogenization
by
Xiu Zhang
,
Jianrong Chen
,
Xuezhi Shao
,
Hongliang Li
,
Yongqiang Jiang
,
Yunkai Zhang
and
Dengfeng Yang
Polymers 2023, 15(15), 3225; https://doi.org/10.3390/polym15153225 - 28 Jul 2023
Viewed by 299
Abstract
To develop a high-efficient extraction method, we investigated the use of high-pressure homogenization (HPH) as a novel pretreatment technology for the extraction of sodium alginate (SA) from Laminaria japonica. After the single-factor experiment, the results demonstrated that under the conditions of 100 [...] Read more.
To develop a high-efficient extraction method, we investigated the use of high-pressure homogenization (HPH) as a novel pretreatment technology for the extraction of sodium alginate (SA) from Laminaria japonica. After the single-factor experiment, the results demonstrated that under the conditions of 100 MPa HPH pressure, 4 cycles, pH 6.0, and 0.5% EDTA for 3.0 h, the optimized extraction yield of HPH reached 34%. To further clarify the effect on the structural properties of HPH-extracted SA, we conducted comprehensive analysis using SEM, FTIR, MRS, NMR, XRD, TGA, and a T-AOC assay. Our findings revealed that HPH pretreatment significantly disrupted the structure of L. japonica cells and reduced their crystallinity to 76.27%. Furthermore, the antioxidant activity of HPH-extracted SA reached 0.02942 mgVceq∙mg−1. Therefore, the HPH pretreatment method is a potential strategy for the extraction of alginate. Full article
(This article belongs to the Special Issue Modification and Application of Natural Polymers)
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