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Mesgari M, Matin MM, Goharshadi EK, Mashreghi M. Biogenesis of bacterial cellulose/xanthan/CeO 2NPs composite films for active food packaging. Int J Biol Macromol 2024; 273:133091. [PMID: 38878924 DOI: 10.1016/j.ijbiomac.2024.133091] [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: 03/08/2024] [Revised: 06/02/2024] [Accepted: 06/09/2024] [Indexed: 06/21/2024]
Abstract
The increasing significance of biopolymer-based food packaging can be attributed to its biodegradability and independence from petroleum-derived materials. Concurrently, metal oxide nanoparticles (NPs) have gained prominence as effective antimicrobial agents against both wild-type and antibiotic-resistant microbes. In this study, cerium oxide or ceria, CeO2, nanoparticles with an average diameter of 50 nm were synthesized via a green method utilizing Vibrio sp. VLC cell lysate supernatant. The synthesized CeO2 NPs displayed remarkable antimicrobial properties, inhibiting the growth of Escherichia coli and Staphylococcus aureus by 93.7 % and 98 %, respectively. To enhance the potential of bacterial cellulose (BC) for advanced applications, we developed a BC/xanthan/CeO2 nanocomposite using both ex situ and in situ techniques. The integration of CeO2 NPs within the nanocomposite structure not only improved the inherent properties of BC, but also rendered it suitable for use in active food packaging systems. The nanocomposite exhibited no significant cytotoxicity on the human dermal fibroblast (HDF) cells, confirming its safety. Nanocomposites containing biogenically synthesized CeO2 NPs demonstrated exceptional efficacy for reducing microbial contamination. Bread samples coated with nanocomposite films displayed no signs of microbial growth. These results support the application of BC/xanthan/CeO2 nanocomposites as suitable and effective coating materials for antimicrobial food packaging applications.
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Affiliation(s)
- Mohammad Mesgari
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran
| | - Maryam M Matin
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran; Novel Diagnostics and Therapeutics Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Elaheh K Goharshadi
- Center of Nano Research, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran; Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran
| | - Mansour Mashreghi
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran; Industrial Biotechnology Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran; Center of Nano Research, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran.
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2
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Yu K, Yang L, Zhang N, Wang S, Liu H. Development of nanocellulose hydrogels for application in the food and biomedical industries: A review. Int J Biol Macromol 2024; 272:132668. [PMID: 38821305 DOI: 10.1016/j.ijbiomac.2024.132668] [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: 07/11/2023] [Revised: 05/22/2024] [Accepted: 05/24/2024] [Indexed: 06/02/2024]
Abstract
As the most abundant and renewable natural resource, cellulose has attracted significant attention and research interest for the production of hydrogels (HGs). To address environmental issues and emerging demands, the benefits of naturally produced HGs include excellent mechanical properties and superior biocompatibility. HGs are three-dimensional networks created by chemical or physical cross-linking of linear or branched hydrophilic polymers and have high capacity for absorption of water and biological fluids. Although widely used in the food and biomedical fields, most HGs are not biodegradable. Nanocellulose hydrogels (NC-HGs) have been extensively applied in the food industry for detection of freshness, chemical additives, and substitutes, as well as the biomedical field for use as bioengineering scaffolds and drug delivery systems owing to structural interchangeability and stimuli-responsive properties. In this review article, the sources, structures, and preparation methods of NC-HGs are described, applications in the food and biomedical industries are summarized, and current limitations and future trends are discussed.
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Affiliation(s)
- Kejin Yu
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Institute of Ocean Research, Bohai University, Jinzhou 121013, China
| | - Lina Yang
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Institute of Ocean Research, Bohai University, Jinzhou 121013, China.
| | - Ning Zhang
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Institute of Ocean Research, Bohai University, Jinzhou 121013, China
| | - Shengnan Wang
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Institute of Ocean Research, Bohai University, Jinzhou 121013, China
| | - He Liu
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Institute of Ocean Research, Bohai University, Jinzhou 121013, China
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Wu JH, Liao JH, Hu TG, Zong MH, Wen P, Wu H. Fabrication of multifunctional ethyl cellulose/gelatin-based composite nanofilm for the pork preservation and freshness monitoring. Int J Biol Macromol 2024; 265:130813. [PMID: 38479667 DOI: 10.1016/j.ijbiomac.2024.130813] [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: 01/16/2024] [Revised: 03/01/2024] [Accepted: 03/10/2024] [Indexed: 03/18/2024]
Abstract
In this study, an active and intelligent nanofilm for monitoring and maintaining the freshness of pork was developed using ethyl cellulose/gelatin matrix through electrospinning, with the addition of natural purple sweet potato anthocyanin. The nanofilm exhibited discernible color variations in response to pH changes, and it demonstrated a higher sensitivity towards volatile ammonia compared with casting film. Notably, the experimental findings regarding the wettability and pH response performance indicated that the water contact angle between 70° and 85° was more favorable for the smart response of pH sensitivity. Furthermore, the film exhibited desirable antioxidant activities, water vapor barrier properties and also good antimicrobial activities with the incorporation of ε-polylysine, suggesting the potential as a food packaging film. Furthermore, the application preservation outcomes revealed that the pork packed with the nanofilm can prolong shelf life to 6 days, more importantly, a distinct color change aligned closely with the points indicating the deterioration of the pork was observed, changing from light pink (indicating freshness) to light brown (indicating secondary freshness) and then to brownish green (indicating spoilage). Hence, the application of this multifunctional film in intelligent packaging holds great potential for both real-time indication and efficient preservation of the freshness of animal-derived food items.
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Affiliation(s)
- Jia-Hui Wu
- School of Food Science and Engineering, South China University of Technology/Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou 510640, China
| | - Jia-Hui Liao
- School of Food Science and Engineering, South China University of Technology/Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou 510640, China
| | - Teng-Gen Hu
- Sericultural & Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods, Ministry of Agriculture/Guangdong Key Laboratory of Agricultural Products Processing, Guangzhou 510640, China
| | - Min-Hua Zong
- School of Food Science and Engineering, South China University of Technology/Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou 510640, China
| | - Peng Wen
- College of Food Science, Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China.
| | - Hong Wu
- School of Food Science and Engineering, South China University of Technology/Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou 510640, China.
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Liao W, Liu X, Zhao Q, Lu Z, Feng A, Sun X. Physicochemical, antibacterial and food preservation properties of active packaging films based on chitosan/ε-polylysine-grafted bacterial cellulose. Int J Biol Macromol 2023; 253:127231. [PMID: 37804899 DOI: 10.1016/j.ijbiomac.2023.127231] [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: 06/12/2023] [Revised: 09/23/2023] [Accepted: 10/01/2023] [Indexed: 10/09/2023]
Abstract
To address the environmental and food contamination issues caused by plastics and microorganisms, antimicrobial films using natural polymers has attracted enormous attention. In this work, we proposed a green, convenient and fast approach to prepare antimicrobial films from chitosan (CS), bacterial cellulose (BC) and ε-polylysine (ε-PL). The effects of different concentrations of ε-PL (0 %, 0.25 %, 0.5 %, 0.75 %, 1 %, w/v) on the physicochemical properties and antibacterial activity of composite films (CS-DABC-x%PL) were systematically investigated. Furthermore, a comprehensive comparison with purely physically mixed CS-BC-x%PL films provides a deeper understanding of the subject matter. Characterization tests of the films were conducted using scanning electron microscope (SEM), X-ray diffraction (XRD) and thermogravimetric analysis (TGA). The results suggested that the incorporation of 0.5 % ε-PL reduced the water solubility of the composite film by 19.82 %, along with improved the tensile strength and thermal stability by 37.31 % and 28.54 %. As ε-PL concentration increased to 1 %, the antibacterial performance of the films gradually enhanced. Additionally, the CS-DABC-0.5%PL film demonstrated effectiveness in delaying the deterioration of tilapia. These findings imply that this novel green packaging material holds significant potential in food preservation due to its promising antibacterial properties.
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Affiliation(s)
- Wenying Liao
- School of Food Science and Technology, State Key Laboratory of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Lihu Road 1800, Wuxi, Jiangsu, 214122, China
| | - Xiaoli Liu
- School of Food Science and Technology, State Key Laboratory of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Lihu Road 1800, Wuxi, Jiangsu, 214122, China.
| | - Qing Zhao
- Pharmacy Departmen, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu Province, China.
| | - Zhanhui Lu
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, 93 Stone Road West, Guelph, Ontario N1G 5C9, Canada
| | - Anqi Feng
- School of Food Science and Technology, State Key Laboratory of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Lihu Road 1800, Wuxi, Jiangsu, 214122, China
| | - Xin Sun
- School of Food Science and Technology, State Key Laboratory of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Lihu Road 1800, Wuxi, Jiangsu, 214122, China
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Diem LN, Torgbo S, Banerjee I, Pal K, Sukatta U, Rugthaworn P, Sukyai P. Sugarcane Bagasse-Derived Cellulose Nanocrystal/Polyvinyl Alcohol/Gum Tragacanth Composite Film Incorporated with Betel Leaf Extract as a Versatile Biomaterial for Wound Dressing. Int J Biomater 2023; 2023:9630168. [PMID: 37485045 PMCID: PMC10359141 DOI: 10.1155/2023/9630168] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 06/21/2023] [Accepted: 07/01/2023] [Indexed: 07/25/2023] Open
Abstract
In this study, nanocomposite film was fabricated using cellulose nanocrystals (CNCs) as nanofiller in a polymer matrix of polyvinyl alcohol (PVA) and gum tragacanth (GT) via solution casting. CNCs were extracted from sugarcane bagasse using a steam explosion technique followed by acid hydrolysis. Initial analysis of CNCs by transmission electron microscopy (TEM) showed nanosized particles of 104 nm in length and 7 nm in width. Physical and chemical characteristics of neat PVA, PVA/GT, and PVA/GT/CNC films with varying concentrations of CNCs (from 2% to 10%) were analyzed by the scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectrometry, mechanical test, and swelling test. The SEM analysis showed cluster formation of CNCs in the polymer matrix at high concentration. The developed films were transparent. FTIR spectrometry analysis confirmed the chemical functional groups of the various components in the film. The presence of GT and CNCs in the polymer matrix improved the characteristics of films as evident in the prolonged stability for 7 days and increased mechanical properties. The highest elastic modulus of 1526.11 ± 31.86 MPa and tensile strength of 80.39 MPa were recorded in PVA/GT/CNC2 film. The swelling ability, however, decreased from 260% to 230%. Cytotoxicity analysis of the PVA/GT/CNC film showed that it is nontoxic to mouse fibroblast cells L929 with 95% cell viability. Films loaded with betel leaf extract exhibited excellent antibacterial activities against Staphylococcus aureus DMST 8840 and Pseudomonas aeruginosa TISTR 781 with 28.20 ± 0.84 mm and 23.60 ± 0.55 mm inhibition zones, respectively. These results demonstrate that PVA/GT/CNC loaded with the betel leaf extract could act as promising and versatile wound dressings to protect the wound surface from infection and dehydration.
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Affiliation(s)
- Luong Ngoc Diem
- Cellulose for Future Materials and Technologies Special Research Unit, Department of Biotechnology, Faculty of Agro-Industry, Kasetsart University, Chatuchak, Bangkok 10900, Thailand
| | - Selorm Torgbo
- Cellulose for Future Materials and Technologies Special Research Unit, Department of Biotechnology, Faculty of Agro-Industry, Kasetsart University, Chatuchak, Bangkok 10900, Thailand
| | - Indranil Banerjee
- Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, NH-65 Karwar, Jodhpur 342037, India
| | - Kunal Pal
- Department of Biotechnology and Medical Engineering, National Institute of Technology, Rourkela, Odisha 769008, India
| | - Udomlak Sukatta
- Kasetsart Agriculture and Agro-Industrial Product Improvement Institute, Kasetsart University, Bangkok 10900, Thailand
| | - Prapassorn Rugthaworn
- Kasetsart Agriculture and Agro-Industrial Product Improvement Institute, Kasetsart University, Bangkok 10900, Thailand
| | - Prakit Sukyai
- Cellulose for Future Materials and Technologies Special Research Unit, Department of Biotechnology, Faculty of Agro-Industry, Kasetsart University, Chatuchak, Bangkok 10900, Thailand
- Center for Advanced Studies for Agriculture and Food (CASAF), Kasetsart University Institute for Advanced Studies, Kasetsart University, Chatuchak, Bangkok 10900, Thailand
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Amoroso L, De France KJ, Kummer N, Ren Q, Siqueira G, Nyström G. Nanocomposites of cellulose nanofibers incorporated with carvacrol via stabilizing octenyl succinic anhydride-modified ɛ-polylysine. Int J Biol Macromol 2023; 242:124869. [PMID: 37201880 DOI: 10.1016/j.ijbiomac.2023.124869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 05/03/2023] [Accepted: 05/11/2023] [Indexed: 05/20/2023]
Abstract
Food packaging plays an extremely important role in the global food chain, allowing for products to be shipped across long distances without spoiling. However, there is an increased need to both reduce plastic waste caused by traditional single-use plastic packaging and improve the overall functionality of packaging materials to extend shelf-life even further. Herein, we investigate composite mixtures based on cellulose nanofibers and carvacrol via stabilizing octenyl-succinic anhydride-modified epsilon polylysine (MɛPL-CNF) for active food packaging applications. The effects of epsilon polylysine (εPL) concentration and modification with octenyl-succinic anhydride (OSA) and carvacrol are evaluated with respect to composites morphology, mechanical, optical, antioxidant, and antimicrobial properties. We find that both increased εPL concentration and modification with OSA and carvacrol lead to films with increased antioxidant and antimicrobial properties, albeit at the expense of reduced mechanical performance. Importantly, when sprayed onto the surface of sliced apples, MεPL-CNF-mixtures are able to successfully delay/hinder enzymatic browning, suggesting the potential of such materials for a range of active food packaging applications.
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Affiliation(s)
- Luana Amoroso
- Laboratory for Cellulose & Wood Materials, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600 DÜbendorf, Switzerland
| | - Kevin J De France
- Laboratory for Cellulose & Wood Materials, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600 DÜbendorf, Switzerland
| | - Nico Kummer
- Laboratory for Cellulose & Wood Materials, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600 DÜbendorf, Switzerland; Department of Health Science and Technology, ETH Zürich, Schmelzbergstrasse 9, 8092 Zürich, Switzerland
| | - Qun Ren
- Laboratory for Biointerfaces, Empa - Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9041 St. Gallen, Switzerland
| | - Gilberto Siqueira
- Laboratory for Cellulose & Wood Materials, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600 DÜbendorf, Switzerland.
| | - Gustav Nyström
- Laboratory for Cellulose & Wood Materials, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600 DÜbendorf, Switzerland; Department of Health Science and Technology, ETH Zürich, Schmelzbergstrasse 9, 8092 Zürich, Switzerland.
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Lan X, Luo T, Zhong Z, Huang D, Liang C, Liu Y, Wang H, Tang Y. Green cross-linking of gelatin/tea polyphenol/ε-poly (L-lysine) electrospun nanofibrous membrane for edible and bioactive food packaging. Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2022.100970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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8
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Preparation of ε-polylysine and hyaluronic acid self-assembled microspheres loaded bacterial cellulose aerogels with excellent antibacterial activity. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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He Y, Ye HC, You TT, Xu F. Sustainable and multifunctional cellulose-lignin films with excellent antibacterial and UV-shielding for active food packaging. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.108355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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10
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Qian H, Liu J, Wang X, Pei W, Fu C, Ma M, Huang C. The state-of-the-art application of functional bacterial cellulose-based materials in biomedical fields. Carbohydr Polym 2022; 300:120252. [DOI: 10.1016/j.carbpol.2022.120252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 10/13/2022] [Accepted: 10/19/2022] [Indexed: 11/02/2022]
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Zhang X, Guo H, Luo W, Chen G, Xiao N, Xiao G, Liu C. Development of functional hydroxyethyl cellulose-based composite films for food packaging applications. Front Bioeng Biotechnol 2022; 10:989893. [PMID: 36246371 PMCID: PMC9557200 DOI: 10.3389/fbioe.2022.989893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Accepted: 08/30/2022] [Indexed: 12/02/2022] Open
Abstract
Cellulose-based functional composite films can be a good substitute for conventional plastic packaging to ensure food safety. In this study, the semi-transparent, mechanical strengthened, UV-shielding, antibacterial and biocompatible films were developed from hydroxyethyl cellulose Polyvinyl alcohol (PVA) and ε-polylysine (ε-PL) were respectively used as reinforcing agent and antibacterial agent, and chemical cross-linking among these three components were constructed using epichlorohydrin The maximum tensile strength and elongation at break were 95.9 ± 4.1 MPa and 148.8 ± 2.6%, respectively. TG-FTIR and XRD analyses indicated that chemical structure of the composite films could be well controlled by varying component proportion. From UV-Vis analysis, the optimum values of the percentage of blocking from UV-A and UV-B and ultraviolet protection factor values were 98.35%, 99.99% and 60.25, respectively. Additionally, the composite films exhibited good water vapor permeability, swelling behavior, antibacterial activity and biocompatibility. In terms of these properties, the shelf life of grapes could be extended to 6 days after packing with the composite film.
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Affiliation(s)
- Xueqin Zhang
- College of Light Industry and Food Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Academy of Contemporary Agricultural Engineering Innovations, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Guangdong Key Laboratory of Science and Technology of Lingnan Specialty Food, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, China
| | - Haoqi Guo
- College of Light Industry and Food Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Wenhan Luo
- College of Light Industry and Food Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Academy of Contemporary Agricultural Engineering Innovations, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Guangdong Key Laboratory of Science and Technology of Lingnan Specialty Food, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Guojian Chen
- College of Light Industry and Food Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Academy of Contemporary Agricultural Engineering Innovations, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Guangdong Key Laboratory of Science and Technology of Lingnan Specialty Food, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Naiyu Xiao
- College of Light Industry and Food Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Academy of Contemporary Agricultural Engineering Innovations, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Guangdong Key Laboratory of Science and Technology of Lingnan Specialty Food, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- *Correspondence: Naiyu Xiao, ; Gengsheng Xiao, ; Chuanfu Liu,
| | - Gengsheng Xiao
- College of Light Industry and Food Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Academy of Contemporary Agricultural Engineering Innovations, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Guangdong Key Laboratory of Science and Technology of Lingnan Specialty Food, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- *Correspondence: Naiyu Xiao, ; Gengsheng Xiao, ; Chuanfu Liu,
| | - Chuanfu Liu
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, China
- *Correspondence: Naiyu Xiao, ; Gengsheng Xiao, ; Chuanfu Liu,
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Wang C, Cao H, Jia L, Liu W, Liu P. Characterization of antibacterial aerogel based on ɛ-poly-l-lysine/nanocellulose by using citric acid as crosslinker. Carbohydr Polym 2022; 291:119568. [DOI: 10.1016/j.carbpol.2022.119568] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 04/11/2022] [Accepted: 04/30/2022] [Indexed: 12/17/2022]
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13
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Fabrication of bacterial cellulose with TiO2-ZnO nanocomposites as a multifunctional membrane for water remediation. J Colloid Interface Sci 2022; 620:1-13. [DOI: 10.1016/j.jcis.2022.03.108] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/09/2022] [Accepted: 03/24/2022] [Indexed: 01/19/2023]
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Facile Preparation of Organo-Modified ZnO/Attapulgite Nanocomposites Loaded with Monoammonium Glycyrrhizinate via Mechanical Milling and Their Synergistic Antibacterial Effect. MINERALS 2022. [DOI: 10.3390/min12030364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
In this study, monoammonium glycyrrhizinate (MAG) was introduced into cetyltrimethyl ammonium bromide (CTAB)-modified ZnO/attapulgite (APT) via a mechanical process to form performance-enhanced antibacterial nanocomposites (MAG/C–ZnO/APT). The APT supported ZnO nanocomposite (ZnO/APT) was prepared by a conventional precipitation method, and 20–50 nm of globular ZnO nanoparticles were uniformly decorated on APT nanorods. The FTIR and zeta potential analyses demonstrated that modification by CTAB facilitated the loading of MAG into ZnO/APT by H-bonding and electrostatic interactions. Antibacterial evaluation results indicate that MAG/C–ZnO/APT nanocomposites with CTAB and MAG doses of 2.5% and 0.25%, respectively, exhibited synergistically enhanced inhibitory activities against Escherichia coli, Staphylococcus aureus, Enterococcus faecalis, Pseudomonas aeruginosa, methicillin-resistant Staphylococcus aureus and extended-spectrum β-lactamases Escherichia coli, with minimum inhibitory concentrations of 1, 0.1, 0.25, 5, 0.1, and 2.5 mg/mL, respectively, which are better than those of ZnO/APT, C–ZnO/APT and MAG. Moreover, the nanocomposites had low cytotoxicity on human normal cell line L-O2. Therefore, this study provided a more effective strategy to extend the antibacterial spectrum and strengthen the inhibitory effects of antibiotic-free materials to address increasingly serious situations of microbial infection.
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Bacterial cellulose and its potential for biomedical applications. Biotechnol Adv 2021; 53:107856. [PMID: 34666147 DOI: 10.1016/j.biotechadv.2021.107856] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 10/09/2021] [Accepted: 10/10/2021] [Indexed: 12/11/2022]
Abstract
Bacterial cellulose (BC) is an important polysaccharide synthesized by some bacterial species under specific culture conditions, which presents several remarkable features such as microporosity, high water holding capacity, good mechanical properties and good biocompatibility, making it a potential biomaterial for medical applications. Since its discovery, BC has been used for wound dressing, drug delivery, artificial blood vessels, bone tissue engineering, and so forth. Additionally, BC can be simply manipulated to form its derivatives or composites with enhanced physicochemical and functional properties. Several polymers, carbon-based nanomaterials, and metal nanoparticles (NPs) have been introduced into BC by ex situ and in situ methods to design hybrid materials with enhanced functional properties. This review provides comprehensive knowledge and highlights recent advances in BC production strategies, its structural features, various in situ and ex situ modification techniques, and its potential for biomedical applications.
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CaCO 3-coated PVA/BC-based composite for the simultaneous adsorption of Cu(II), Cd(II), Pb(II) in aqueous solution. Carbohydr Polym 2021; 267:118227. [PMID: 34119180 DOI: 10.1016/j.carbpol.2021.118227] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/13/2021] [Accepted: 05/16/2021] [Indexed: 01/09/2023]
Abstract
A polymer composite material comprising polyvinyl alcohol/bacterial cellulose/calcium carbonate (PVA/BC/CaCO3) was prepared for enabling the selective adsorption of toxic heavy metal ions, such as Cd(II), Cu(II), and Pb(II) from solution. FT-IR, SEM and XRD analyses confirmed the successful incorporation of CaCO3 into the PVA-based polymer by chemical cross-linking with epichlorohydrin. The optimal pH for adsorption of the metal ions onto PVA/BC/CaCO3 was determined to be 6.0. The pseudo-first-order kinetics model was best-suited for fitting the adsorption kinetics data, and the Langmuir model was best-suited for fitting the thermodynamic adsorption data. The maximum adsorption capacities of PVA/BC/CaCO3 for Cu(II), Pb(II), and Cd(II) were found to be 57.1, 513.6, and 238.6 mg/g, respectively, at 40 °C. In addition, the adsorbent was found to be highly recyclable. Overall, PVA/BC/CaCO3 adsorbent has the applicable potential in the removal of heavy metal ions from contaminated solution.
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Wahid F, Zhao XJ, Zhao XQ, Ma XF, Xue N, Liu XZ, Wang FP, Jia SR, Zhong C. Fabrication of Bacterial Cellulose-Based Dressings for Promoting Infected Wound Healing. ACS APPLIED MATERIALS & INTERFACES 2021; 13:32716-32728. [PMID: 34227797 DOI: 10.1021/acsami.1c06986] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Bacterial cellulose (BC) holds several unique properties such as high water retention capability, flexibility, biocompatibility, and high absorption capacity. All these features make it a potential material for wound healing applications. However, it lacks antibacterial properties, which hampers its applications for infectious wound healings. This study reported BC-based dressings containing ε-polylysine (ε-PL), cross-linked by a biocompatible and mussel-inspired polydopamine (PDA) for promoting infectious wound healing. BC membranes were coated with PDA by a simple self-polymerization process, followed by treating with different contents of ε-PL. The resulted membranes showed strong antibacterial properties against tested bacteria by both in vitro and in vivo evaluations. The membranes also exhibited hemocompatibility and cytocompatibility by in vitro investigations. Moreover, the functionalized membranes promoted infected wound healing using Sprague-Dawley rats as a model animal. A complete wound healing was observed in the group treated with functionalized membranes, while wounds were still open for control and pure BC groups in the same duration. Histological investigations indicated that the thickness of newborn skin was greater and smoother in the groups treated with modified membranes in comparison to neat BC or control groups. These results revealed that the functionalized membranes have great potential as a dressing material for infected wounds in future clinical applications.
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Affiliation(s)
- Fazli Wahid
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science & Technology, Tianjin 300222, P.R. China
- Key Laboratory of Industrial Fermentation Microbiology, (Ministry of Education), Tianjin University of Science & Technology, Tianjin 300222, P.R. China
| | - Xiang-Jun Zhao
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science & Technology, Tianjin 300222, P.R. China
- Key Laboratory of Industrial Fermentation Microbiology, (Ministry of Education), Tianjin University of Science & Technology, Tianjin 300222, P.R. China
| | - Xue-Qing Zhao
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science & Technology, Tianjin 300222, P.R. China
- Key Laboratory of Industrial Fermentation Microbiology, (Ministry of Education), Tianjin University of Science & Technology, Tianjin 300222, P.R. China
| | - Xiao-Fang Ma
- Central Laboratory, The Fifth Central Hospital of Tianjin, Tianjin 300222, PR China
- Tianjin Key Laboratory of Epigenetics for Organ Development of Premature Infants, The Fifth Central Hospital of Tianjin, Tianjin 300222, PR China
| | - Na Xue
- Central Laboratory, The Fifth Central Hospital of Tianjin, Tianjin 300222, PR China
- Tianjin Key Laboratory of Epigenetics for Organ Development of Premature Infants, The Fifth Central Hospital of Tianjin, Tianjin 300222, PR China
| | - Xiao-Zhi Liu
- Central Laboratory, The Fifth Central Hospital of Tianjin, Tianjin 300222, PR China
- Tianjin Key Laboratory of Epigenetics for Organ Development of Premature Infants, The Fifth Central Hospital of Tianjin, Tianjin 300222, PR China
| | - Feng-Ping Wang
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science & Technology, Tianjin 300222, P.R. China
- Key Laboratory of Industrial Fermentation Microbiology, (Ministry of Education), Tianjin University of Science & Technology, Tianjin 300222, P.R. China
| | - Shi-Ru Jia
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science & Technology, Tianjin 300222, P.R. China
- Key Laboratory of Industrial Fermentation Microbiology, (Ministry of Education), Tianjin University of Science & Technology, Tianjin 300222, P.R. China
| | - Cheng Zhong
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science & Technology, Tianjin 300222, P.R. China
- Key Laboratory of Industrial Fermentation Microbiology, (Ministry of Education), Tianjin University of Science & Technology, Tianjin 300222, P.R. China
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18
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Lan X, Liu Y, Wang Y, Tian F, Miao X, Wang H, Tang Y. Coaxial electrospun PVA/PCL nanofibers with dual release of tea polyphenols and ε-poly (L-lysine) as antioxidant and antibacterial wound dressing materials. Int J Pharm 2021; 601:120525. [PMID: 33781878 DOI: 10.1016/j.ijpharm.2021.120525] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/16/2021] [Accepted: 03/20/2021] [Indexed: 01/09/2023]
Abstract
Preparing wound dressing with dual-delivery of antioxidant and antibacterial agents is highly desirable in clinical wound treatment. Herein, a series of coaxial nanofiber membranes loaded with antioxidant tea polyphenols (TP) in the core and antibacterial ε-poly (L-lysine) (ε-PL) in the shell layer were successfully fabricated by coaxial electrospinning. The physicochemical characterizations by transmission electron microscopy, inverted fluorescence microscopy and fourier transform infrared spectroscopy confirmed the formation of core-shell structure. The results of in vitro drug release indicated that ε-PL exhibited a fast release profile while TP released in a sustained manner, which is favorable to the achievement of quick bacteria inhibition in the initial phase as well as long-term antioxidant activity during wound healing. The antioxidant activity of coaxial nanofibers was found to be increased with the increment of TP content and incubation time. The antibacterial assays against Escherichia coli and Staphylococcus aureus demonstrated that the incorporation of ε-PL in the coaxial nanofibers led to strong antibacterial activity. Additionally, all the coaxial nanofibers possessed good cytocompatibility. Therefore, the prepared coaxial nanofibers simultaneously incorporated with ε-PL and TP are promising as potential wound dressing materials.
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Affiliation(s)
- Xingzi Lan
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Yurong Liu
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Yaqi Wang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Feng Tian
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Xiaomin Miao
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Han Wang
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Yadong Tang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China; School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China.
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19
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Qureshi D, Pattanaik S, Mohanty B, Anis A, Kulikouskaya V, Hileuskaya K, Agabekov V, Sarkar P, Maji S, Pal K. Preparation of novel poly(vinyl alcohol)/chitosan lactate-based phase-separated composite films for UV-shielding and drug delivery applications. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-021-03653-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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20
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Wu H, Hu S, Nie C, Zhang J, Tian H, Hu W, Shen T, Wang J. Fabrication and characterization of antibacterial epsilon-poly-L-lysine anchored dicarboxyl cellulose beads. Carbohydr Polym 2021; 255:117337. [DOI: 10.1016/j.carbpol.2020.117337] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 10/26/2020] [Accepted: 10/27/2020] [Indexed: 02/07/2023]
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21
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Li S, Zhang R, Xie J, Sameen DE, Ahmed S, Dai J, Qin W, Li S, Liu Y. Electrospun antibacterial poly(vinyl alcohol)/Ag nanoparticles membrane grafted with 3,3',4,4'-benzophenone tetracarboxylic acid for efficient air filtration. APPLIED SURFACE SCIENCE 2020; 533:147516. [PMID: 32834268 PMCID: PMC7425774 DOI: 10.1016/j.apsusc.2020.147516] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/31/2020] [Accepted: 08/07/2020] [Indexed: 05/05/2023]
Abstract
In this study, poly(vinyl alcohol) (PVA) membranes containing Ag nanoparticles (AgNPs) were prepared by electrospinning and grafted copolymerization with 3,3',4,4'-benzophenone tetracarboxylic acid (BPTA) to provide better mechanical properties, lower water vapor transmittance, and higher antibacterial activity (against Staphylococcus aureus and Escherichia coli) than the PVA/AgNPs membrane. The PVA/AgNPs/BPTA membrane showed higher antibacterial activity than the other membranes, and it produced inhibition zones with diameters of 18.12 ± 0.08 and 16.41 ± 0.05 mm against S. aureus and E. coli, respectively. The PVA/AgNPs/BPTA membrane was found to be capable of promoting reactive oxygen species (ROS) formation under both light and dark conditions. Cycling experiments performed following ROS quenching showed that the best-performing composite membrane retained >70% of its original OH⋅ radical and H2O2 charging capacity after seven cycles. In the filtration test, the electrospun nanofibrous membranes showed high filtration efficiencies of 99.98% for sodium chloride (NaCl). In addition, these membranes maintained a relatively low pressure drop of 168 Pa with a basis weight of 2.1 g m-2. Thus, the PVA/AgNPs/BPTA membrane was concluded to be a promising medical protective material offering the benefits of structural stability and reusability.
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Affiliation(s)
- Siying Li
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Rong Zhang
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Junlan Xie
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Dur E Sameen
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Saeed Ahmed
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Jianwu Dai
- College of Mechanical and Electrical Engineering, Sichuan Agricultural University, Ya'an 625014, China
| | - Wen Qin
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Suqing Li
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Yaowen Liu
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA
- Department of Bioengineering, University of California, Los Angeles, CA, 90095, USA
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22
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Lin D, Zheng Y, Wang X, Huang Y, Ni L, Chen X, Wu Z, Huang C, Yi Q, Li J, Qin W, Zhang Q, Chen H, Wu D. Study on physicochemical properties, antioxidant and antimicrobial activity of okara soluble dietary fiber/sodium carboxymethyl cellulose/thyme essential oil active edible composite films incorporated with pectin. Int J Biol Macromol 2020; 165:1241-1249. [DOI: 10.1016/j.ijbiomac.2020.10.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 09/24/2020] [Accepted: 10/01/2020] [Indexed: 01/06/2023]
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23
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Yu K, Balasubramanian S, Pahlavani H, Mirzaali MJ, Zadpoor AA, Aubin-Tam ME. Spiral Honeycomb Microstructured Bacterial Cellulose for Increased Strength and Toughness. ACS APPLIED MATERIALS & INTERFACES 2020; 12:50748-50755. [PMID: 33112612 PMCID: PMC7662910 DOI: 10.1021/acsami.0c15886] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 10/16/2020] [Indexed: 05/10/2023]
Abstract
Natural materials, such as nacre and silk, exhibit both high strength and toughness due to their hierarchical structures highly organized at the nano-, micro-, and macroscales. Bacterial cellulose (BC) presents a hierarchical fibril structure at the nanoscale. At the microscale, however, BC nanofibers are distributed randomly. Here, BC self-assembles into a highly organized spiral honeycomb microstructure giving rise to a high tensile strength (315 MPa) and a high toughness value (17.8 MJ m-3), with pull-out and de-spiral morphologies observed during failure. Both experiments and finite-element simulations indicate improved mechanical properties resulting from the honeycomb structure. The mild fabrication process consists of an in situ fermentation step utilizing poly(vinyl alcohol), followed by a post-treatment including freezing-thawing and boiling. This simple self-assembly production process is highly scalable, does not require any toxic chemicals, and enables the fabrication of light, strong, and tough hierarchical composite materials with tunable shape and size.
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Affiliation(s)
- Kui Yu
- Department
of Bionanoscience, Kavli Institute of Nanoscience,
Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - Srikkanth Balasubramanian
- Department
of Bionanoscience, Kavli Institute of Nanoscience,
Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - Helda Pahlavani
- Department
of Biomechanical Engineering, Faculty of Mechanical, Maritime, and
Materials Engineering, Delft University
of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands
| | - Mohammad J. Mirzaali
- Department
of Biomechanical Engineering, Faculty of Mechanical, Maritime, and
Materials Engineering, Delft University
of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands
| | - Amir A. Zadpoor
- Department
of Biomechanical Engineering, Faculty of Mechanical, Maritime, and
Materials Engineering, Delft University
of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands
| | - Marie-Eve Aubin-Tam
- Department
of Bionanoscience, Kavli Institute of Nanoscience,
Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
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24
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Ludwicka K, Kaczmarek M, Białkowska A. Bacterial Nanocellulose-A Biobased Polymer for Active and Intelligent Food Packaging Applications: Recent Advances and Developments. Polymers (Basel) 2020; 12:E2209. [PMID: 32993082 PMCID: PMC7601427 DOI: 10.3390/polym12102209] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/22/2020] [Accepted: 09/23/2020] [Indexed: 12/23/2022] Open
Abstract
The aim of this review is to provide an overview of recent findings related to bacterial cellulose application in bio-packaging industry. This constantly growing sector fulfils a major role by the maintenance of product safety and quality, protection against environmental impacts that affect the shelf life. Conventional petroleum-based plastic packaging are still rarely recyclable and have a number of harmful environmental effects. Herein, we discuss the most recent studies on potential good alternative to plastic packaging-bacterial nanocellulose (BNC), known as an ecological, safe, biodegradable, and chemically pure biopolymer. The limitations of this bio-based packaging material, including relatively poor mechanical properties or lack of antimicrobial and antioxidant activity, can be successfully overcome by its modification with a wide variety of bioactive and reinforcing compounds. BNC active and intelligent food packaging offer a new and innovative approach to extend the shelf life and maintain, improve, or monitor product quality and safety. Incorporation of different agents BNC matrices allows to obtain e.g., antioxidant-releasing films, moisture absorbers, antimicrobial membranes or pH, freshness and damage indicators, humidity, and other biosensors. However, further development and implementation of this kind of bio-packaging will highly depend on the final performance and cost-effectiveness for the industry and consumers.
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Affiliation(s)
- Karolina Ludwicka
- Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, B. Stefanowskiego 4/10, 90-924 Lodz, Poland; (M.K.); (A.B.)
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25
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Preparation and Properties of Silver-Based Cellulose/Polyvinyl Alcohol Antibacterial Materials. J Inorg Organomet Polym Mater 2020. [DOI: 10.1007/s10904-020-01669-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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26
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Torgbo S, Sukyai P. Biodegradation and thermal stability of bacterial cellulose as biomaterial: The relevance in biomedical applications. Polym Degrad Stab 2020. [DOI: 10.1016/j.polymdegradstab.2020.109232] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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27
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Effect of plasticizer and surfactant on the properties of poly(vinyl alcohol)/chitosan films. Int J Biol Macromol 2020; 164:2100-2107. [PMID: 32758608 DOI: 10.1016/j.ijbiomac.2020.08.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 07/28/2020] [Accepted: 08/01/2020] [Indexed: 12/11/2022]
Abstract
The objective of this study was to develop eco-friendly films based on poly(vinyl alcohol) (PVA) and chitosan (CTS) with the addition of plasticizer (glycerol or sorbitol) and surfactant (cocamidopropyl betaine). The properties of the obtained polymeric films were determined by contact angle measurements, attenuated total reflection infrared spectroscopy (ATR-FTIR), atomic force microscopy (AFM), mechanical tests, and moisture content analysis. The results indicated that four-component blends had high surface hydrophilicity and surface roughness due to the presence of the surfactant. Glycerol incorporation into PVA/CTS blends resulted in higher flexibility and greater water absorption capacity of the three- and four-component polymeric blends compared with these blends with sorbitol. By contrast, the addition of the surfactant to the materials is essential for their application in personal hygiene products as disposable wipes.
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28
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The preparation and characterization of plasticized PVA fibres by a novel Glycerol/Pseudo Ionic Liquids system with melt spinning method. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109768] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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29
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Wang YL, Zhou YN, Li XY, Huang J, Wahid F, Zhong C, Chu LQ. Continuous production of antibacterial carboxymethyl chitosan-zinc supramolecular hydrogel fiber using a double-syringe injection device. Int J Biol Macromol 2020; 156:252-261. [PMID: 32289407 DOI: 10.1016/j.ijbiomac.2020.04.073] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 03/08/2020] [Accepted: 04/09/2020] [Indexed: 10/24/2022]
Abstract
Large-scale production of an antibacterial hydrogel is of critical importance for its practical application in biomedical field. In this regard, herein we report on the construction of a double-syringe injection device by using all the commercial parts and its use for continuous production of carboxymethyl chitosan-zinc (CMCh-Zn) supramolecular hydrogel fiber. The resultant CMCh-Zn hydrogel fibers exhibit good stretchability and knittability. The Zn loading into the hydrogel fibers can be easily controlled by adjusting the concentration of Zn2+ solution. Scanning electron microscope measurements indicate that the CMCh-Zn hydrogel fibers have a relatively smooth and thin skin layer, as well as, a 3-dimensional interconnected microporous interior architecture. Antibacterial activities of the CMCh-Zn hydrogel fibers against both Gram-positive Staphylococcus aureus and Gram-negative Escherichia coli are also investigated. The results show that the intrinsic blue fluorescence of the as-prepared CMCh-Zn hydrogel fibers can be employed as optical indicator of their antibacterial effectiveness.
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Affiliation(s)
- Yu-Long Wang
- College of Chemical Engineering and Materials Science, Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, Tianjin University of Science & Technology, No.29, 13th Avenue, TEDA, Tianjin 300457, China
| | - Ya-Ning Zhou
- College of Chemical Engineering and Materials Science, Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, Tianjin University of Science & Technology, No.29, 13th Avenue, TEDA, Tianjin 300457, China
| | - Xin-Yu Li
- College of Chemical Engineering and Materials Science, Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, Tianjin University of Science & Technology, No.29, 13th Avenue, TEDA, Tianjin 300457, China
| | - Ju Huang
- College of Chemical Engineering and Materials Science, Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, Tianjin University of Science & Technology, No.29, 13th Avenue, TEDA, Tianjin 300457, China
| | - Fazli Wahid
- Key Laboratory of Industrial Fermentation Microbiology (Ministry of Education), Tianjin University of Science & Technology, No.29, 13th Avenue, TEDA, Tianjin 300457, China
| | - Cheng Zhong
- Key Laboratory of Industrial Fermentation Microbiology (Ministry of Education), Tianjin University of Science & Technology, No.29, 13th Avenue, TEDA, Tianjin 300457, China
| | - Li-Qiang Chu
- College of Chemical Engineering and Materials Science, Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, Tianjin University of Science & Technology, No.29, 13th Avenue, TEDA, Tianjin 300457, China.
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