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Polysaccharide-Based Materials: Developments and Properties, 2nd Edition

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

Deadline for manuscript submissions: 30 September 2026 | Viewed by 1254

Special Issue Editor


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Guest Editor
Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Roque Sáenz Peña 352, Bernal B1876BXD, Argentina
Interests: biopolymer materials; microbial biomass-based materials; polysaccharides; exopolysaccharides; hydrophilic films; bioactive materials; hydration; water transport; diffusion
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Special Issue Information

Dear Colleagues,

Following the success of a previous Special Issue of Polymers (https://www.mdpi.com/journal/polymers/special_issues/X6050717F1), we are delighted to launch a second edition of the issue, titled “Polysaccharide-Based Materials: Developments and Properties, 2nd Edition”.

Bio-based materials have emerged as an innovative alternative to those derived from non-renewable and non-biodegradable resources. In this context, the study and development of new materials are strongly centred on polysaccharides. The sources of polysaccharides are principally biomass, such as agricultural derivatives, as well as microorganisms and their metabolic processes capable of producing exopolysaccharides. A significant challenge facing this domain is obtaining polysaccharide-based materials with functional capacities comparable to those of materials derived from synthetic polymers.

This Special Issue will synthesize original research and reviews related to polysaccharides and the physicochemical and biotechnological processes aimed at converting these biopolymers into materials such as gels, hydrogels, and films for specialised applications, including as adhesives, adsorbents, carriers for bioactive compounds, and coatings. Additionally, this issue will encompass the study of these materials’ properties and applications in packaging, technology, medicine, and other fields.

It is important to highlight that this Special Issue is intentionally broad in scope; therefore, we expect a substantial number of contributions that align with its focus.

Prof. Dr. Andrés Gerardo Salvay
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 250 words) can be sent to the Editorial Office for assessment.

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

  • polysaccharide-based material development
  • modified polysaccharide-based materials
  • polysaccharide-based materials for food packaging
  • polysaccharide-based functional and smart materials
  • polysaccharide-based material application
  • polysaccharide-based material properties
  • polysaccharide gels and hydrogels

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Published Papers (2 papers)

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Research

20 pages, 5796 KB  
Article
Improving the Flexibility and Water Resistance of Thermo-Compressed Guar Gum Films by Blending Natural Rubber for Use in Sustainable Packaging Applications
by Prasong Srihanam, Nuanchai Khotsaeng and Yodthong Baimark
Polymers 2026, 18(8), 956; https://doi.org/10.3390/polym18080956 - 14 Apr 2026
Viewed by 398
Abstract
Guar gum (GG), a typical biopolymer, has found widespread use in packaging applications due to its biodegradability, non-toxicity, and low price. However, the further application of GG is significantly limited by its poor flexibility and water resistance. In this study, GG/natural rubber (NR) [...] Read more.
Guar gum (GG), a typical biopolymer, has found widespread use in packaging applications due to its biodegradability, non-toxicity, and low price. However, the further application of GG is significantly limited by its poor flexibility and water resistance. In this study, GG/natural rubber (NR) films were prepared by thermo-compressing hand-kneaded pastes made from GG powder and fresh NR latex. Various NR contents—5, 10, 20, and 40 wt%—were investigated. Water-resistant properties were determined by moisture absorption, water dissolution, surface wettability, and water vapor permeability. Fourier transform infrared spectroscopy indicated interactions between the dispersed NR phases and the GG matrix. Scanning electron microscopy revealed distinct phase separation between the GG and NR phases in the films. All GG/NR films exhibited excellent interfacial adhesion between GG and NR phases. Tensile results indicated that an increase in the amount of NR in the GG-based films led to a decrease in both maximum tensile strength and Young’s modulus, while elongation at break increased. GG/40% NR films exhibited an elongation at break of 17.5%, which is a substantial increase of 415% compared to pure GG films. The addition of NR showed improved water-resistant properties of GG-based films; however, the rate of biodegradation during soil burial decreased as the NR ratios increased. These thermo-compressed GG/NR blends hold promise as sustainable alternatives to single-use plastic packaging applications. Full article
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22 pages, 4056 KB  
Article
Thiol-Functionalized Succinoglycan via Cysteine Grafting: Enhanced Rheological Properties and Antioxidant Activity
by Sobin Jeon, Kyungho Kim, Eunkyung Oh, Haemin Jin and Seunho Jung
Polymers 2026, 18(7), 849; https://doi.org/10.3390/polym18070849 - 31 Mar 2026
Viewed by 476
Abstract
Cysteine-modified succinoglycan (SG-Cys) was synthesized via EDC/NHS-mediated amidation by grafting cysteine onto succinoglycan isolated from Sinorhizobium meliloti. The successful introduction of cysteine moieties was confirmed by 1H NMR and FTIR analyses, while the degree of substitution was quantitatively determined using Ellman’s assay. The [...] Read more.
Cysteine-modified succinoglycan (SG-Cys) was synthesized via EDC/NHS-mediated amidation by grafting cysteine onto succinoglycan isolated from Sinorhizobium meliloti. The successful introduction of cysteine moieties was confirmed by 1H NMR and FTIR analyses, while the degree of substitution was quantitatively determined using Ellman’s assay. The incorporation of cysteine significantly influenced the physicochemical and rheological properties of the polymer. In particular, SG-Cys exhibited up to a 1.8-fold increase in viscosity compared with native succinoglycan. The viscoelastic behavior of SG-Cys was systematically evaluated under various environmental conditions, including different pH, ionic strengths, temperatures, and polymer concentrations, revealing enhanced responsiveness to external stimuli. Radical scavenging assays demonstrated that SG-Cys displayed up to a 2.5-fold increase in antioxidant capacity compared with unmodified SG, as determined by DPPH and ABTS assays. Cytotoxicity evaluation using HEK-293 cells confirmed that the modified polymer exhibited no significant cytotoxic effects. Overall, the results demonstrate that thiol functionalization of succinoglycan effectively improves both rheological performance and antioxidant activity, suggesting that SG-Cys is a promising multifunctional bioactive polymer for potential applications in biomaterials, drug delivery, and bioengineering systems. Full article
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