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Molecular Insights in Bacterial Cellulose

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 (20 September 2024) | Viewed by 1893

Special Issue Editors


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Guest Editor
Department of Chemical and Biochemical Engineering, University Politehnica of Bucharest, Polizu Str. 1-7, 011061 Bucharest, Romania
Interests: biomaterials; industrial microbiology; biotechnologies; smart materials; microbial cellulose
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Faculty of Chemical Engineering and Biotechnology, National University of Science and Technology Politehnica Bucharest, Bucharest, Romania
Interests: environmental engineering; biomaterials; mathematical modeling; chemical and biochemical engineering
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Bacterial cellulose (BC) is a natural exopolysaccharide obtained via the microbial route (via bacteria or fungus). It is produced in different fermentation media, mainly by acetic acid bacteria, which are members of the Acetobactereaceae family and belong to the genera Komagataeibacter. From a chemical point of view, BC is identical to cellulose, but it is considered “unusual” regarding its physicochemical and mechanical properties: higher purity/crystallinity/degree of polymerization/water absorbing capacity/water holding capacity/tensile strength and better biological adaptability. Therefore, nowadays, it is important to use BC in different fields as a substitute for vegetable fibers: medical, cosmetics, textiles, food, etc. The use of BC in the medical and food industries can be possible because BC has been approved as “generally recognized as safe” (GRAS) by the US Food and Drug Administration (FDA) since 1992. Therefore, the discovery of new directions in which BC can be used is a continuous challenge for the scientific world.

We are pleased to invite you to contribute to this Special Issue of the International Journal of Molecular Sciences (IJMS), which focuses on the molecular aspects of material coatings, highlighting scientific and theoretical research in this niche area.

Dr. Gabriela Isopencu
Dr. Iuliana-Mihaela Deleanu
Guest Editors

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Keywords

  • microbial cellulose
  • scaffolds
  • biomaterials
  • functional food
  • wound dressing
  • prebiotics
  • functional textile
  • microbial cellulose
  • scaffolds
  • biomaterials
  • functional food
  • wound dressing
  • prebiotics
  • functional textile

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Published Papers (1 paper)

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Research

20 pages, 3569 KiB  
Article
Antimicrobial Carboxymethyl Cellulose-Bacterial Cellulose Composites Loaded with Green Synthesized ZnO and Ag Nanoparticles for Food Packaging
by Iuliana Mihaela Deleanu, Cristina Busuioc, Mariana Deleanu, Anicuţa Stoica-Guzun, Mădălina Rotaru, Vasile Alexandru Ștefan and Gabriela Isopencu
Int. J. Mol. Sci. 2024, 25(23), 12890; https://doi.org/10.3390/ijms252312890 - 30 Nov 2024
Viewed by 1243
Abstract
Bacterial cellulose (BC) has earned a well-defined place among biopolymers due to its unique physicochemical properties. Unfortunately, native BC lacks antimicrobial and antioxidant properties. To address this limitation, many BC-based nanocomposites with antimicrobial properties have been developed, primarily for applications in the biomedical [...] Read more.
Bacterial cellulose (BC) has earned a well-defined place among biopolymers due to its unique physicochemical properties. Unfortunately, native BC lacks antimicrobial and antioxidant properties. To address this limitation, many BC-based nanocomposites with antimicrobial properties have been developed, primarily for applications in the biomedical field, but also for use in food packaging. Many nanoparticles can be incorporated into BC membranes, often in combination with other bioactive molecules. Among the available methods for nanoparticle synthesis, green synthesis has emerged as promising, as it avoids the use of hazardous chemicals. The aim of this paper is to develop and characterize antimicrobial composite materials fabricated using carboxymethyl cellulose (CMC) and bacterial cellulose fibrils loaded with zinc oxide and silver nanoparticles (NPs) obtained using turmeric extract by green synthesis. NP-loaded CMC-BC composites were characterized using scanning electron microscopy (SEM) coupled with energy dispersive X-ray spectroscopy (EDX), attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy, Grazing incidence X-ray diffraction (GI-XRD), and thermal analysis (TA). The antibacterial potential of such composites was tested against Escherichia coli (E. coli), Bacillus subtilis (B. subtilis), and Candida albicans (C. albicans). Full article
(This article belongs to the Special Issue Molecular Insights in Bacterial Cellulose)
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