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Gülpınar M, Tomul F, Arslan Y, Tran HN. Chitosan-based film incorporated with silver-loaded organo-bentonite or organo-bentonite: Synthesis and characterization for potential food packaging material. Int J Biol Macromol 2024; 274:133197. [PMID: 38885862 DOI: 10.1016/j.ijbiomac.2024.133197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 06/12/2024] [Accepted: 06/14/2024] [Indexed: 06/20/2024]
Abstract
Biopolymer-clay composite films were synthesized and characterized for food packaging material. The synthesis was conducted in two stages. Cetrimonium bromide-modified bentonite (CTAB-bentonite) was first exchanged with Ag ions to obtain Ag-CTAB-bentonite. Biopolymer-clay composite films were then performed by a solution-casting method between chitosan (biopolymer) and Ag-CTAB-bentonite or between chitosan and CTAB-bentonite. Different weights of CTAB-bentonite (3% and 5% wt.) and Ag-CTAB-bentonite (3% and 5% wt.) were used during the second stage. The resultant films were characterized by X-ray diffraction analysis, Fourier transform infrared spectroscopy, scanning electron microscope coupled with energy dispersive X-ray spectroscopy, atomic force microscopes, thermogravimetric analysis, differential scanning calorimetry, dynamic mechanical analysis, optical measurement, and others (moisture content, swelling behavior, water solubility, antibacterial, shredded carrot preservation, and biodegradability). Results indicated that the properties (thermal stability, thermomechanical ability, UV-visible light barrier, shredded carrot preservation) of the chitosan-based film incorporated with the synthesized composites were enhanced compared to those of the CS film. The CS/(CTAB-bentonite)-3% and CS/(Ag-CTAB-bentonite)-3% films exhibited antibacterial properties against Escherichia coli, Salmonella enterica subp. enterica, Staphylococcus aureus, and Listeria monocytogenes. The chitosan-based film reinforced with the two prepared composites can be potential for food preservation and packaging.
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Affiliation(s)
- Muhittin Gülpınar
- Burdur Mehmet Akif Ersoy University, Faculty of Arts and Science, Chemistry Department, Burdur, Turkey
| | - Fatma Tomul
- Burdur Mehmet Akif Ersoy University, Faculty of Arts and Science, Chemistry Department, Burdur, Turkey
| | - Yasin Arslan
- Burdur Mehmet Akif Ersoy University, Faculty of Arts and Science, Nanoscience and Nanotechnology Department, Burdur, Turkey
| | - Hai Nguyen Tran
- Center for Energy and Environmental Materials, Institute of Fundamental and Applied Sciences, Duy Tan University, Ho Chi Minh 70000, Viet Nam; Faculty of Environmental and Chemical Engineering, Duy Tan University, Da Nang 50000, Viet Nam.
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Sun S, Liu Z, Zheng J, Cheng Q, Tan Y, Huang S, Zhang L, Wang Y, Zhou H. A Directional Chitosan Sound Sensor Based on Piezoelectric-Triboelectric Sensing. ACS Macro Lett 2023; 12:577-582. [PMID: 37053569 DOI: 10.1021/acsmacrolett.3c00139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Abstract
Herein, we have constructed a directional sound sensor based on an anisotropic chitosan aerogel. Because of the lamellar porous structure, this chitosan aerogel exhibits a distinct anisotropic behavior, featuring the compressive stress along the direction of the parallel laminate structure, being approximately 2.6 times that in the orthogonal direction. Simultaneously, the chitosan aerogel is used as a directional sound-sensing material, which exhibits excellent acoustic-electric conversion performance with a marked difference in the direction perpendicular to the laminate structure than in the parallel direction. The CSANG has an optimum electrical output of 66 V and 9.2 μA under a sound stimulation of 150 Hz and 120 dB in the orthogonal direction of the laminate structure. Therefore, this directional chitosan sound sensor with excellent biocompatibility and sound sensitivity demonstrates promising application potential in the field of intelligent sensing and artificial cochlea.
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Affiliation(s)
- Shuang Sun
- State Key Laboratory of Material Processing and Die & Mold Technology, Huazhong University of Science & Technology, Wuhan 430074, P. R. China
| | - Zijie Liu
- State Key Laboratory of Material Processing and Die & Mold Technology, Huazhong University of Science & Technology, Wuhan 430074, P. R. China
| | - Jiaqi Zheng
- State Key Laboratory of Material Processing and Die & Mold Technology, Huazhong University of Science & Technology, Wuhan 430074, P. R. China
| | - Qikuan Cheng
- State Key Laboratory of Material Processing and Die & Mold Technology, Huazhong University of Science & Technology, Wuhan 430074, P. R. China
| | - Yanlong Tan
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Siluo Huang
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Lu Zhang
- State Key Laboratory of Material Processing and Die & Mold Technology, Huazhong University of Science & Technology, Wuhan 430074, P. R. China
| | - Yunming Wang
- State Key Laboratory of Material Processing and Die & Mold Technology, Huazhong University of Science & Technology, Wuhan 430074, P. R. China
| | - Huamin Zhou
- State Key Laboratory of Material Processing and Die & Mold Technology, Huazhong University of Science & Technology, Wuhan 430074, P. R. China
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Chen D, Wang Y, Zhou H, Huang Z, Zhang Y, Guo CF, Zhou H. Current and Future Trends for Polymer Micro/Nanoprocessing in Industrial Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2200903. [PMID: 35313049 DOI: 10.1002/adma.202200903] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/16/2022] [Indexed: 06/14/2023]
Abstract
Polymers are widely used in optical devices, electronic devices, energy-harvesting/storage devices, and sensors, owing to their low weight, excellent flexibility, and simple fabrication process. With advancements in micro/nanoprocessing techniques and more demanding application requirements, it is becoming necessary to realize high-resolution fabrication of polymers to prepare miniaturized devices. This is particularly because conventional processing technologies suffer from high thermal stress and strong adhesion/friction, which can irreversibly damage the micro/nanostructures of miniaturized devices. In addition, although the use of advanced fabrication methods to prepare high-resolution micro/nanostructures is explored, these methods are limited to laboratory research or small-batch production. This review focuses on the micro/nanoprocessing of polymeric materials and devices with high spatial precision and replication accuracy for industrial applications. Specifically, the current state-of-the-art techniques and future trends for micro/nanomolding, high-energy beam processing, and micro/nanomachining are discussed. Moreover, an overview of the fabrication and applications of various polymer-based elements and devices such as microlenses, biosensors, and transistors is provided. These techniques are expected to be widely applied for multiscale and multimaterial processing as well as for multifunction integration in next-generation integrated devices, such as photoelectric, smart, and biodegradable devices.
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Affiliation(s)
- Dan Chen
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Yunming Wang
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Helezi Zhou
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Zhigao Huang
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Yun Zhang
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Chuan Fei Guo
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
| | - Huamin Zhou
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
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Jahromi M, Niakousari M, Golmakani MT. Fabrication and characterization of pectin films incorporated with clove essential oil emulsions stabilized by modified sodium caseinate. Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2022.100835] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Dispenza C, Sabatino MA, Infurna G, Dintcheva NT. Control of end‐of‐life oxygen‐containing groups accumulation in biopolyesters through introduction of crosslinked polysaccharide particles. POLYM ENG SCI 2022. [DOI: 10.1002/pen.25855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | | | - Giulia Infurna
- Dipartimento di Ingegneria Università di Palermo Palermo
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Sun Y, Chen D, Li Y, Sun S, Zheng J, Cui J, Wang G, Zheng L, Wang Y, Zhou H. High-performance green electronic substrate employing flexible and transparent cellulose films. Carbohydr Polym 2021; 270:118359. [PMID: 34364604 DOI: 10.1016/j.carbpol.2021.118359] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/09/2021] [Accepted: 06/15/2021] [Indexed: 10/21/2022]
Abstract
Today's widely used and rapidly updated electronic substrates are composed of petroleum-based polymers, but the resulting electronic waste (such as Dioxin, oxole, PCBs, etc.) will cause massive harm to the environment and human body. Therefore, we report an effective approach for fabricating recyclable and high-performance cellulose films as green electronic substrates by calendering. The crosslinking between CH and CHCH in cellulose modified by maleic anhydride led to the in-situ formation of a chemical crosslinking network, and hydrogen bonds acted as a sacrificial physical crosslinking network. The dual crosslinked cellulose film exhibits high strength (120.56 MPa), improved elongation (increased by 263%), and outstanding thermal stability (thermal decomposition temperature is 311 °C). Further, the film has been successfully used as a substrate for biomass sensor and realized apparent responses to changes. The scientific strategy paves the way for the large-scale fabrication of high-performance cellulose films and simultaneously promotes green electronic substrates' industrialization.
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Affiliation(s)
- Yanling Sun
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Dan Chen
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Yang Li
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Shuang Sun
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Jiaqi Zheng
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Jingqiang Cui
- Henan Key Laboratory of Medical Polymer Materials Technology and Application, TuoRen Medical Device Research & Development Institute Co., Ltd., Health Technology Industry Park, Changyuan County, Henan 453000, PR China
| | - Guosheng Wang
- Henan Key Laboratory of Medical Polymer Materials Technology and Application, TuoRen Medical Device Research & Development Institute Co., Ltd., Health Technology Industry Park, Changyuan County, Henan 453000, PR China
| | - Li Zheng
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
| | - Yunming Wang
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China.
| | - Huamin Zhou
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
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Bionanocomposite Films Containing Halloysite Nanotubes and Natural Antioxidants with Enhanced Performance and Durability as Promising Materials for Cultural Heritage Protection. Polymers (Basel) 2020; 12:polym12091973. [PMID: 32878027 PMCID: PMC7564337 DOI: 10.3390/polym12091973] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 08/26/2020] [Accepted: 08/28/2020] [Indexed: 12/30/2022] Open
Abstract
In the last decade, the interest toward the formulation of polymer films for cultural heritage protection continuously grew, and these films must be imperatively transparent, removable, and should not react/interact with surface of the artworks. In this research, bionanocomposite films, based on chitosan (Ch) and pectin (P) and containing naturally occurring fillers and antioxidants, were formulated by solvent casting methods and were accurately characterized. The natural halloysite nanotubes (HNT) have a two-fold role, specifically, physical compatibilizer and antioxidant carrier. Therefore, the theoretical solubility between Ch and P was estimated considering Hoy’s method for solubility of polymers, while the optimum ratio between biopolymer constituents was assessed by ζ-potential measurements. The transparency, wettability, and mechanical behavior of Ch:P films, also in presence of HNT without and with antioxidants, were investigated. The beneficial effects of natural antioxidants, such as vanillic acid (VA) and quercetin (Q), on Ch:P/HNT durability were found.
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