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Organic-inorganic hybrid ZIF-8/MXene/cellulose-based textiles with improved antibacterial and electromagnetic interference shielding performance.
- Source :
-
International journal of biological macromolecules [Int J Biol Macromol] 2024 May; Vol. 266 (Pt 2), pp. 131080. Date of Electronic Publication: 2024 Mar 25. - Publication Year :
- 2024
-
Abstract
- Despite the tremendous efforts on developing antibacterial wearable textile materials containing Ti <subscript>3</subscript> C <subscript>2</subscript> T <subscript>x</subscript> MXene, the singular antimicrobial mechanism, poor antibacterial durability, and oxidation susceptibility of MXene limits their applications. In this context, flexible multifunctional cellulosic textiles were prepared via layer-by-layer assembly of MXene and the in-situ synthesis of zeolitic imidazolate framework-8 (ZIF-8). Specifically, the introduction of highly conductive MXene enhanced the interface interactions between the ZIF-8 layer and cellulose fibers, endowing the green-based materials with outstanding synergistic photothermal/photodynamic therapy (PTT/PDT) activity and adjustable electromagnetic interference (EMI) shielding performance. In-situ polymerization formed a MXene/ZIF-8 bilayer structure, promoting the generation of reactive oxygen species (ROS) while protecting MXene from oxidation. The as-prepared smart textile exhibited excellent bactericidal efficacy of >99.99 % against both Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) after 5 min of NIR (300 mW cm <superscript>-2</superscript> ) irradiation which is below the maximum permissible exposure (MPE) limit. The sustained released Zn <superscript>2+</superscript> from the ZIF-8 layer achieved a bactericidal efficiency of over 99.99 % within 48 h without NIR light. Furthermore, this smart textile also demonstrated remarkable EMI shielding efficiency (47.7 dB). Clearly, this study provides an elaborate strategy for designing and constructing multifunctional cellulose-based materials for a variety of applications.<br />Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.<br /> (Copyright © 2024 The Authors. Published by Elsevier B.V. All rights reserved.)
- Subjects :
- Zeolites chemistry
Zeolites pharmacology
Reactive Oxygen Species metabolism
Microbial Sensitivity Tests
Photochemotherapy methods
Cellulose chemistry
Cellulose pharmacology
Textiles
Anti-Bacterial Agents pharmacology
Anti-Bacterial Agents chemistry
Staphylococcus aureus drug effects
Metal-Organic Frameworks chemistry
Metal-Organic Frameworks pharmacology
Escherichia coli drug effects
Imidazoles
Subjects
Details
- Language :
- English
- ISSN :
- 1879-0003
- Volume :
- 266
- Issue :
- Pt 2
- Database :
- MEDLINE
- Journal :
- International journal of biological macromolecules
- Publication Type :
- Academic Journal
- Accession number :
- 38537850
- Full Text :
- https://doi.org/10.1016/j.ijbiomac.2024.131080