Physical Modifications of Kombucha-Derived Bacterial Nanocellulose: Toward a Functional Bionanocomposite Platform

IF 4.2 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Meruyert Imanbekova, Reza Abbasi, Xinyue Hu, Mohul Sharma, Marion Vandewynckele-Bossut, Rupa Haldavnekar, Sebastian Wachsmann-Hogiu
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Abstract

Sustainable functionalization of bacterial cellulose for cost-effective bionanocomposites with desired properties has received growing attention in recent years. This article presents the results of work aimed at obtaining bionanocomposite materials based on bacterial cellulose, a natural and eco-friendly material. Bacterial cellulose obtained from the Kombucha symbiotic culture of bacteria and yeast (SCOBY) fermentation process is functionalized by embedding with diatom frustules, silver nanoparticles (AgNPs), and poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS). The effects of functionalization on mechanical, optical, plasmonic, electrical, chemiluminescent, and antimicrobial properties are evaluated. Morphological characteristics of the nanocomposites are studied using electron microscopy. Addition of diatom frustules introduced into the SCOBY culture media results in bionanocomposite materials with enhanced tensile strength and increased ultraviolet (UV) blockage properties. In situ functionalization of bacterial cellulose with AgNPs tunes plasmonic and chemiluminescent properties, revealing the biosensing potential of the material. Modified bacterial cellulose shows antimicrobial activity in experiments with gram-positive and gram-negative bacteria. Dual functionalization of bacterial cellulose with PEDOT:PSS and AgNPs results in improved electrical conductivity of the bionanocomposite. Overall, bottom-up physical functionalization approaches and the resulting bionanocomposite materials will open up new opportunities for the low-cost production of green materials and contribute to the development of a sustainable economy.

昆布发酵的细菌纳米纤维素的物理改性:打造功能性仿生复合材料平台
近年来,对细菌纤维素进行可持续的功能化处理,以获得具有所需性能的经济高效的仿生复合材料日益受到关注。本文介绍了旨在获得基于细菌纤维素这种天然环保材料的仿生复合材料的研究成果。从康普茶细菌和酵母共生培养物(SCOBY)发酵过程中获得的细菌纤维素通过嵌入硅藻颗粒、银纳米粒子(AgNPs)和聚(3,4-亚乙二氧基噻吩):聚苯乙烯磺酸盐(PEDOT:PSS)实现了功能化。评估了功能化对机械、光学、等离子、电学、化学发光和抗菌特性的影响。使用电子显微镜研究了纳米复合材料的形态特征。在 SCOBY 培养基中添加硅藻球,可使仿生复合材料具有更高的拉伸强度和更强的紫外线(UV)阻挡性能。用 AgNPs 对细菌纤维素进行原位功能化可调谐等离子体和化学发光特性,从而揭示了这种材料的生物传感潜力。改性细菌纤维素在革兰氏阳性和革兰氏阴性细菌实验中显示出抗菌活性。细菌纤维素与 PEDOT:PSS 和 AgNPs 的双重功能化提高了仿生复合材料的导电性。总之,自下而上的物理功能化方法和由此产生的仿生复合材料将为低成本生产绿色材料带来新的机遇,并促进可持续经济的发展。
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来源期刊
Macromolecular Materials and Engineering
Macromolecular Materials and Engineering 工程技术-材料科学:综合
CiteScore
7.30
自引率
5.10%
发文量
328
审稿时长
1.6 months
期刊介绍: Macromolecular Materials and Engineering is the high-quality polymer science journal dedicated to the design, modification, characterization, processing and application of advanced polymeric materials, including membranes, sensors, sustainability, composites, fibers, foams, 3D printing, actuators as well as energy and electronic applications. Macromolecular Materials and Engineering is among the top journals publishing original research in polymer science. The journal presents strictly peer-reviewed Research Articles, Reviews, Perspectives and Comments. ISSN: 1438-7492 (print). 1439-2054 (online). Readership:Polymer scientists, chemists, physicists, materials scientists, engineers Abstracting and Indexing Information: CAS: Chemical Abstracts Service (ACS) CCR Database (Clarivate Analytics) Chemical Abstracts Service/SciFinder (ACS) Chemistry Server Reaction Center (Clarivate Analytics) ChemWeb (ChemIndustry.com) Chimica Database (Elsevier) COMPENDEX (Elsevier) Current Contents: Physical, Chemical & Earth Sciences (Clarivate Analytics) Directory of Open Access Journals (DOAJ) INSPEC (IET) Journal Citation Reports/Science Edition (Clarivate Analytics) Materials Science & Engineering Database (ProQuest) PASCAL Database (INIST/CNRS) Polymer Library (iSmithers RAPRA) Reaction Citation Index (Clarivate Analytics) Science Citation Index (Clarivate Analytics) Science Citation Index Expanded (Clarivate Analytics) SciTech Premium Collection (ProQuest) SCOPUS (Elsevier) Technology Collection (ProQuest) Web of Science (Clarivate Analytics)
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