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Polymers
Special Issues
Functionalization of Polymers with Natural Bioactive Compounds
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Functionalization of Polymers with Natural Bioactive Compounds

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

Deadline for manuscript submissions: closed (30 July 2023) | Viewed by 7448

Special Issue Editors

Dr. Ivana Lukić

E-Mail Website
Guest Editor
Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia
Interests: supercritical fluids application for polymer functionalization; extractions from plant material; supercritical CO2 impregnation of different carriers; natural bioactive compounds; material characterization
Dr. Stoja Milovanović

E-Mail Website
Guest Editor
Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia
Interests: processing of polymers using supercritical CO2; foams preparation; impregnation of textile, foams, films, fibers, nanofibers with natural bioactive components; preparation of devices that enable controlled release of bioactive substances; separation of high-value extracts from plant materials; characterization of obtained materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Natural bioactive compounds, including constituents of plant extracts, essential oils, natural inorganic particles, etc., have been studied for different biological activities, such as antimicrobial, cytotoxic, and antioxidant. However, these compounds show poor stability and sensitivity towards temperature, oxygen, moisture, etc.; thus, their incorporation into a polymeric carrier is proposed to overcome these shortcomings. At the same time, the processing of polymers to introduce bioactive compounds allows the tailoring of their properties and production of novel materials with improved biological activity and mechanical and barrier properties, which have a wide range of applications in food, pharmacy, cosmetics, medicine, etc.

This Special Issue aims to present developments in the field of polymer functionalization with natural bioactive compounds using different processing methods, such as impregnation, deposition, electrospinning, solvent casting, extrusion, etc., as well as unique properties of obtained materials.

We are pleased to invite you to contribute to the Special Issue with original research articles and reviews. Topics include, but are not limited to: innovative and conventional methods for the incorporation of natural bioactive compounds into polymeric matrices; the characterization of obtained materials; bioactivity (antimicrobial, antioxidant, cytotoxic, etc.); and their versatile applications such as food packaging, biomedical devices, wound dressings, controlled release systems, water treatment, tissue engineering, etc.

Dr. Ivana Lukić
Dr. Stoja Milovanović
Guest Editors

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 bioactive compounds
  • polymer processing
  • impregnation, mixing, and deposition
  • supercritical fluids
  • antimicrobial activity
  • antioxidant activity
  • biomedical application
  • food-packaging application

Published Papers (2 papers)

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Review

13 pages, 1695 KiB  
Review
Mechanical Properties of Protein-Based Food Packaging Materials
by Yasir Abbas Shah, Saurabh Bhatia, Ahmed Al-Harrasi, Muhammad Afzaal, Farhan Saeed, Md Khalid Anwer, Mahbubur Rahman Khan, Muhammad Jawad, Noor Akram and Zargham Faisal
Polymers 2023, 15(7), 1724; https://doi.org/10.3390/polym15071724 - 30 Mar 2023
Cited by 29 | Viewed by 4001
Abstract
The quality and safety of food products greatly depend on the physiochemical properties of the food packaging material. There is an increasing trend in the utilization of protein-based biopolymers for the preparation of edible films and coating due to their film-forming properties. Various [...] Read more.
The quality and safety of food products greatly depend on the physiochemical properties of the food packaging material. There is an increasing trend in the utilization of protein-based biopolymers for the preparation of edible films and coating due to their film-forming properties. Various studies have reported the preparation of protein-based edible films with desirable mechanical and barrier properties. The mechanical attributes of the protein-based food packaging materials can be enhanced by incorporating various components in the film composition such as plasticizers, surfactants, crosslinkers, and various bioactive compounds, including antimicrobial and antioxidant compounds. This review article summarizes the recent updates and perspective on the mechanical attributes such as Tensile Strength (TS), Elongation at Break (EAB), and Young’s Modulus (YM) of edible films based on different proteins from plants and animal sources. Moreover, the effects of composite materials such as other biopolymers, bioactive compounds, essential oils, and plasticizers on the mechanical properties of protein-based edible films are also discussed. Full article
(This article belongs to the Special Issue Functionalization of Polymers with Natural Bioactive Compounds)
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29 pages, 5124 KiB  
Review
Green Processing of Neat Poly(lactic acid) Using Carbon Dioxide under Elevated Pressure for Preparation of Advanced Materials: A Review (2012–2022)
by Stoja Milovanovic, Ivana Lukic, Gabrijela Horvat, Zoran Novak, Sulamith Frerich, Marcus Petermann and Carlos A. García-González
Polymers 2023, 15(4), 860; https://doi.org/10.3390/polym15040860 - 9 Feb 2023
Cited by 9 | Viewed by 2939
Abstract
This review provides a concise overview of up-to-date developments in the processing of neat poly(lactic acid) (PLA), improvement in its properties, and preparation of advanced materials using a green medium (CO2 under elevated pressure). Pressurized CO2 in the dense and supercritical [...] Read more.
This review provides a concise overview of up-to-date developments in the processing of neat poly(lactic acid) (PLA), improvement in its properties, and preparation of advanced materials using a green medium (CO2 under elevated pressure). Pressurized CO2 in the dense and supercritical state is a superior alternative medium to organic solvents, as it is easily available, fully recyclable, has easily tunable properties, and can be completely removed from the final material without post-processing steps. This review summarizes the state of the art on PLA drying, impregnation, foaming, and particle generation by the employment of dense and supercritical CO2 for the development of new materials. An analysis of the effect of processing methods on the final material properties was focused on neat PLA and PLA with an addition of natural bioactive components. It was demonstrated that CO2-assisted processes enable the control of PLA properties, reduce operating times, and require less energy compared to conventional ones. The described environmentally friendly processing techniques and the versatility of PLA were employed for the preparation of foams, aerogels, scaffolds, microparticles, and nanoparticles, as well as bioactive materials. These PLA-based materials can find application in tissue engineering, drug delivery, active food packaging, compostable packaging, wastewater treatment, or thermal insulation, among others. Full article
(This article belongs to the Special Issue Functionalization of Polymers with Natural Bioactive Compounds)
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