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Chen Z, Wang B, Qi J, Liu T, Feng Y, Liu C, Shen C. Eco-friendly bacterial cellulose/MXene aerogel with excellent photothermal and electrothermal conversion capabilities for efficient separation of crude oil/seawater mixture. Carbohydr Polym 2024; 336:122140. [PMID: 38670764 DOI: 10.1016/j.carbpol.2024.122140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/23/2024] [Accepted: 04/07/2024] [Indexed: 04/28/2024]
Abstract
Developing novel absorbent materials targeting high-efficiency, low-energy-consumption, and environmental-friendly oil spill cleanup is still a global issue. Porous absorbents endowed with self-heating function are an attractive option because of that they are able to in-situ heat crude oil and dramatically reduce oil viscosity for efficient remediation. Herein, we facilely prepared an eco-friendly multifunctional bacterial cellulose/MXene aerogel (P-SBC/MXene aerogel) for rapid oil recovery. Thanks to excellent full solar spectrum absorption (average absorbance = 96.6 %), efficient photo-thermal conversion, and superior electrical conductivity (electrical resistance = 36 Ω), P-SBC/MXene aerogel exhibited outstanding photothermal and electrothermal capabilities. Its surface temperature could quickly reach 93 °C under 1.0 kW/m2 solar irradiation and 124 °C under 3.0 V voltage respectively, enabling effective heat transfer toward spilled oil. The produced heat significantly decreased crude oil viscosity, allowing P-SBC/MXene aerogel to rapidly absorb oil. By combining solar heating and Joule heating, P-SBC/MXene aerogel connected to a pump-assisted absorption device was capable of achieving all-weather crude oil removal from seawater (crude oil flux = 630 kg m-2 h-1). More notably, P-SBC/MXene aerogel showed splendid outdoor crude oil separation performance. Based on remarkable crude oil/seawater separation ability, the versatile aerogel provides a promising way to deal with large-area oil spills.
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Affiliation(s)
- Zhenfeng Chen
- College of Materials Science and Engineering, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold of Ministry of Education, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Bo Wang
- College of Materials Science and Engineering, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold of Ministry of Education, Zhengzhou University, Zhengzhou, Henan 450001, China.
| | - Jiahuan Qi
- College of Materials Science and Engineering, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold of Ministry of Education, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Tianhui Liu
- College of Materials Science and Engineering, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold of Ministry of Education, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Yuqing Feng
- College of Materials Science and Engineering, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold of Ministry of Education, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Chuntai Liu
- College of Materials Science and Engineering, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold of Ministry of Education, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Changyu Shen
- College of Materials Science and Engineering, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold of Ministry of Education, Zhengzhou University, Zhengzhou, Henan 450001, China
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2
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Behrouznejad B, Sadat SB, Masaeli E. The orchestration of sustained drug delivery by bacterial cellulose/gelatin nanocomposites reinforced with carboxylic carbon nanotubes. Carbohydr Polym 2024; 333:121917. [PMID: 38494242 DOI: 10.1016/j.carbpol.2024.121917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 01/16/2024] [Accepted: 02/04/2024] [Indexed: 03/19/2024]
Abstract
Recently, modifying bacterial cellulose (BC) by compositing it with other nano-biomaterials has become inevitable to achieve its desired properties in drug delivery. To address this, our study endeavors to utilize an in-situ fabrication method for the creation of a multifunctional BC/gelatin (BC/Gel) platform reinforced with carboxylic multi-walled carbon nanotubes (cMWCNTs) as a sustainable delivery model of biomolecules. Incipiently, cMWCNTs were loaded with human serum albumin (HSA) as a drug model, with an optimized nanoparticle-to-protein ratio of 1:5 and loading efficiency of 90.0 ± 1.0 % before incorporation into BC/Gel hydrogels. By comparison, nanocomposition improved the surface area and overall porosity of BC/Gel up to 58.0 ± 1.3 m2/g and 85.5 ± 1.1 %, respectively. Likewise, significant wettability of 44.0 ± 0.1° and dramatic biodegradation rate of 36.9 ± 1.2 % were other exceptionally gained attributes. Meanwhile, with a Zero-order kinetic mechanism, CNT-HSA integration facilitated the controlled release of 56.0 ± 0.9 % HSA over 7 days. Drug-loaded nanocomposites showcased >70 % viability during in vitro cellular trials using Human Foreskin Fibroblasts (HFF). Overall, BC/Gel/CNT-HSA nanocomposite exhibited favorable cell behavior, devoid of cytotoxic manifestations. Consequently, this BC-based nanocomposite scaffold implicates the premiere capability in the sustained delivery of an extended range of protein biomolecules, offering a promising therapeutic avenue for bolstering tissue regeneration.
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Affiliation(s)
- Bahareh Behrouznejad
- Department of Biology, Faculty of Modern Sciences and Technologies, ACECR Institute of Higher Education (Isfahan Branch) Isfahan, P.O. Box 84175-443, Iran; Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, P.O. Box 81593-58686, Iran
| | - Sayedeh Boshra Sadat
- Department of Biology, Faculty of Modern Sciences and Technologies, ACECR Institute of Higher Education (Isfahan Branch) Isfahan, P.O. Box 84175-443, Iran; Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, P.O. Box 81593-58686, Iran
| | - Elahe Masaeli
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, P.O. Box 81593-58686, Iran.
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3
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He P, Wang D, Zheng R, Wang H, Fu L, Tang G, Shi Z, Wu Y, Yang G. An antibacterial biologic patch based on bacterial cellulose for repair of infected hernias. Carbohydr Polym 2024; 333:121942. [PMID: 38494213 DOI: 10.1016/j.carbpol.2024.121942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 02/08/2024] [Accepted: 02/09/2024] [Indexed: 03/19/2024]
Abstract
Infection-associated complications and repair failures and antibiotic resistance have emerged as a formidable challenge in hernia repair surgery. Consequently, the development of antibiotic-free antibacterial patches for hernia repair has become an exigent clinical necessity. Herein, a GBC/Gel/LL37 biological patch (biopatch) with exceptional antibacterial properties is fabricated by grafting 2-Methacryloyloxyethyl trimethylammonium chloride (METAC), a unique quaternary ammonium salt with vinyl, onto bacterial cellulose (GBC), followed by compounding with gelatin (Gel) and LL37. The GBC/Gel/LL37 biopatch exhibits stable swelling capacity, remarkable mechanical properties, flexibility, and favorable biocompatibility. The synergistic effect of METAC and LL37 confers upon the GBC/Gel/LL37 biopatch excellent antibacterial efficacy against Staphylococcus aureus and Escherichia coli, effectively eliminating invading bacteria without the aid of exogenous antibiotics in vivo while significantly reducing local acute inflammation caused by infection. Furthermore, the practical efficacy of the GBC/Gel/LL37 biopatch is evaluated in an infected ventral hernia model, revealing that the GBC/Gel/LL37 biopatch can prevent the formation of visceral adhesions, facilitate the repair of infected ventral hernia, and effectively mitigate chronic inflammation. The prepared antibacterial GBC/Gel/LL37 biopatch is very effective in dealing with the risk of infection in hernia repair surgery and offers potential clinical opportunities for other soft injuries, exhibiting considerable clinical application prospects.
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Affiliation(s)
- Pengyu He
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Dawei Wang
- Department of Plastic and Cosmetic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan 430030, Hubei, China
| | - Ruizhu Zheng
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Hao Wang
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Lina Fu
- College of Medicine, Huanghuai University, Zhumadian, Henan 463000, China; Zhumadian Central Hospital, Zhumadian, Henan 463000, China
| | - Guoliang Tang
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zhijun Shi
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China.
| | - Yiping Wu
- Department of Plastic and Cosmetic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan 430030, Hubei, China.
| | - Guang Yang
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China.
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Chen X, Lan W, Xie J. Characterization of active films based on chitosan/polyvinyl alcohol integrated with ginger essential oil-loaded bacterial cellulose and application in sea bass (Lateolabrax japonicas) packaging. Food Chem 2024; 441:138343. [PMID: 38211477 DOI: 10.1016/j.foodchem.2023.138343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 12/21/2023] [Accepted: 12/30/2023] [Indexed: 01/13/2024]
Abstract
The poor mechanical properties, low water-resistance, and limited antimicrobial activity of chitosan (CS)/polyvinyl alcohol (PVA) based film limited its application in aquatic product preservation. Herein, bacterial cellulose (BC) was used to load ginger essential oil (GEO). The effects of the addition of BC and different concentrations of GEO on the physicochemical and antimicrobial activities of films were systematically evaluated. Finally, the application of sea bass fillets was investigated. Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction analysis (XRD) analysis indicated dense networks were formed, which was verified by enhanced physical properties. The mechanical properties, barrier properties, and antimicrobial activities enhanced as GEO concentration increased. CPB0.8 (0.8 % GEO) film had better tensile strength (TS) and barrier performance, improved the quality, and extended the shelf-life of sea bass for another 6 days at least. Overall, active films are potential packaging materials for aquatic products.
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Affiliation(s)
- Xuening Chen
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Weiqing Lan
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering (Shanghai Ocean University), Shanghai 201306, China.
| | - Jing Xie
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering (Shanghai Ocean University), Shanghai 201306, China.
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5
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Han B, Liu F, Hu S, Chen X, Lin C, Lee IS, Chen C. An antibacterial membrane based on Janus bacterial cellulose with nano-sized copper oxide through polydopamine conjugation for infectious wound healing. Carbohydr Polym 2024; 332:121923. [PMID: 38431418 DOI: 10.1016/j.carbpol.2024.121923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 01/25/2024] [Accepted: 02/05/2024] [Indexed: 03/05/2024]
Abstract
Bacterial cellulose (BC) produced by Acetobacter xylinum has great advantages in wound dressing. However, the structural limitation under static culture, and lack of antibacterial properties restrict its application, especially for infectious wound healing. The present study reported an original wound dressing, which was composed of a Janus BC membrane with antibacterial nano-sized copper oxide (CuO) through polydopamine (PDA) conjugation to promote wound healing under infectious condition. The finished product (CuO/PDA/BC membrane) exhibited favorable air permeability, high hydrophilicity and good mechanical properties, as well as strong antibacterial effects by the sustained release of CuO and photothermal effect of CuO/PDA. Furthermore, CuO/PDA/BC membrane inhibited inflammatory response and promoted wound healing in an infectious wound model in vivo. These results suggested that our CuO/PDA/BC membrane had great potential as wound dressing for infectious wound healing.
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Affiliation(s)
- Bing Han
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Fan Liu
- Department of Orthodontics, School of Stomatology, China Medical University, Shenyang 110002, PR China
| | - Shuhang Hu
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Xinyu Chen
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Chenming Lin
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - In-Seop Lee
- Institute of Human Materials, Suwon 16514, Republic of Korea
| | - Cen Chen
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, PR China; Zhejiang provincial key Laboratory of Silkworm Bioreactor and Biomedicine, Hangzhou 310018, PR China.
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6
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Lin L, Chen L, Lu C, Chen G, Hong FF. Chitosan particles embedded bacterial nanocellulose flat membrane for hemodialysis. Int J Biol Macromol 2024; 266:130646. [PMID: 38460632 DOI: 10.1016/j.ijbiomac.2024.130646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 02/20/2024] [Accepted: 03/04/2024] [Indexed: 03/11/2024]
Abstract
The development of bio-based hemodialysis membranes continues to be a challenge. Bacterial nanocellulose (BNC) membranes show potential in hemodialysis but can hardly retain beneficial proteins. Here, chitosan particles/bacterial nanocellulose (CSP/BNC) membranes were designed to efficiently remove uremic toxins and retain beneficial proteins. First, CSPs were synthesized in situ within a BNC membrane by ionic gelation following negative pressure impregnation. Subsequently, these membranes were thoroughly characterized. Compared with the BNC membrane, the pore volume and pore size of the 3 % CSP/BNC membrane decreased by 42.2 % and 32.1 %, respectively. The increased 22.2 times of Young's modulus and 88.9 % of tensile strength in the 3 % CSP/BNC membrane confirmed enhanced mechanical property. The sieving coefficient of bovine serum albumin decreased to 0.05 ± 0.03 in the 3 % CSP/BNC membrane. Moreover, the CSP/BNC membrane exhibited good hemocompatibility and cytocompatibility. The simulated dialysis results showed that the 3 % CSP/BNC membrane exhibited high clearance of urea (16.37 %/cm2) and lysozyme (3.54 %/cm2), while efficiently retaining bovine serum albumin (98.04 %/cm2). This is the first demonstration of the construction of a BNC-based hemodialysis membrane with in situ CSP formation to effectively regulate the pore properties of the membrane, making the CSP/BNC membrane a promising candidate for hemodialysis applications.
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Affiliation(s)
- Lulu Lin
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China; College of Biological Science and Medical Engineering, Donghua University, No. 2999 North Ren Min Road, Shanghai 201620, China
| | - Lin Chen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China; National Advanced Functional Fiber Innovation Center, Wu Jiang, Su Zhou, China
| | - Changrui Lu
- College of Biological Science and Medical Engineering, Donghua University, No. 2999 North Ren Min Road, Shanghai 201620, China
| | - Genqiang Chen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China; College of Biological Science and Medical Engineering, Donghua University, No. 2999 North Ren Min Road, Shanghai 201620, China.
| | - Feng F Hong
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China; College of Biological Science and Medical Engineering, Donghua University, No. 2999 North Ren Min Road, Shanghai 201620, China; National Advanced Functional Fiber Innovation Center, Wu Jiang, Su Zhou, China.
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7
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Niknafs B, Meskaraf-Asadabadi M, Hamdi K, Ghanbari E. Incorporating bioactive glass nanoparticles in silk fibroin/bacterial nanocellulose composite scaffolds improves their biological and osteogenic properties for bone tissue engineering applications. Int J Biol Macromol 2024; 266:131167. [PMID: 38547948 DOI: 10.1016/j.ijbiomac.2024.131167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 03/15/2024] [Accepted: 03/25/2024] [Indexed: 04/05/2024]
Abstract
Blend polymers composed of natural polymers are a ubiquitous biomaterial class due to their suitable mechanical and biological characterization. In the present study, composite scaffolds based on bacterial cellulose (BC)/silk fibroin (SF) with bioactive glass nanoparticles (BGNPs) were developed to enhance osteogenesis in human adipose derived stem cells (hASCs). The scanning electron microscopy (SEM) results of BGNPs indicated a spherical morphology and size ranging from 15 to 30 nm. The presence of BC and BGNPs reduced the pore diameter of SF scaffolds to about 210 ± 10 μm and 205 ± 10 μm, respectively, while increasing their compressive strength and compressive modulus. FTIR analyses proved the presence of BGNPs, BC and SF in the scaffolds. Flow cytometry data confirmed the surface markers for hASCs. The results also showed that BC and BGNPs addition to BC/SF scaffolds decreased degradation and swelling rate. The gene expression (Runx2, alkaline phosphatase and osteocalcin) studies signified the osteogenic potential of BGNPs in BC/SF scaffolds on hASCs. Eventually, the increased cell adhesion, viability and differentiation in the BC/SF and BC/SF/BGNPs composite scaffolds drawn from MTT, SEM, Alizarin red staining and alkaline phosphatase activity confirmed that these scaffolds promise to serve as a therapeutic candidate for bone defects.
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Affiliation(s)
- Behrooz Niknafs
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Kobra Hamdi
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elham Ghanbari
- Department of Tissue Engineering, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Luo C, Li YM, Jiang K, Wang K, Kuzmanović M, You XH, Zhang Y, Lei J, Huang SS, Xu JZ. ECM-inspired calcium/zinc laden cellulose scaffold for enhanced bone regeneration. Carbohydr Polym 2024; 331:121823. [PMID: 38388030 DOI: 10.1016/j.carbpol.2024.121823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 01/01/2024] [Accepted: 01/11/2024] [Indexed: 02/24/2024]
Abstract
Cellulose-based polymer scaffolds are highly diverse for designing and fabricating artificial bone substitutes. However, realizing the multi-biological functions of cellulose-based scaffolds has long been challenging. In this work, inspired by the structure and function of the extracellular matrix (ECM) of bone, we developed a novel yet feasible strategy to prepare ECM-like scaffolds with hybrid calcium/zinc mineralization. The 3D porous structure was formed via selective oxidation and freeze drying of bacterial cellulose. Following the principle of electrostatic interaction, calcium/zinc hybrid hydroxyapatite nucleated, crystallized, and precipitated on the 3D scaffold in simulated physiological conditions, which was well confirmed by morphology and composition analysis. Compared with alternative scaffold cohorts, this hybrid ion-loaded cellulose scaffold exhibited a pronounced elevation in alkaline phosphatase (ALP) activity, osteogenic gene expression, and cranial defect regeneration. Notably, the hybrid ion-loaded cellulose scaffold effectively fostered an M2 macrophage milieu and had a strong immune effect in vivo. In summary, this study developed a hybrid multifunctional cellulose-based scaffold that appropriately simulates the ECM to regulate immunomodulatory and osteogenic differentiation, setting a measure for artificial bone substitutes.
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Affiliation(s)
- Chuan Luo
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610065, China
| | - Yuan-Min Li
- NHC Key Laboratory of Transplant Engineering and Immunology, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610065, China
| | - Kai Jiang
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Kai Wang
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610065, China
| | - Maja Kuzmanović
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Xuan-He You
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610065, China
| | - Yao Zhang
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610065, China
| | - Jun Lei
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Shi-Shu Huang
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610065, China.
| | - Jia-Zhuang Xu
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China.
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9
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Pandit A, Kumar KD, Kumar R. In vitro degradation and antibacterial activity of bacterial cellulose deposited flax fabric reinforced with polylactic acid and polyhydroxybutyrate. Int J Biol Macromol 2024; 266:131199. [PMID: 38574917 DOI: 10.1016/j.ijbiomac.2024.131199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 03/24/2024] [Accepted: 03/26/2024] [Indexed: 04/06/2024]
Abstract
The objective of this study was to prepare biocomposites through the solution casting method followed by compression moulding in which bacterial cellulose (BC) deposited flax fabric (FF) produced through fermentation is coated with minimal amount of polylactic acid (PLA) and polyhydroxybutyrate (PHB). Biocomposites incorporated with 60 % of PLA or PHB (% w/w) show enhanced tensile strength. Cross-sectional morphology showed good superficial interaction of these biopolymers with fibres of FF thereby filling up the gaps present between the fibres. The tensile strength of biocomposites at 60 % PLA and 60 % PHB improved from 37.97 MPa (i.e., BC deposited FF produced in presence of honey) to 67.17 MPa and 56.26 MPa, respectively. Further, 0.25 % of nalidixic acid (NA) (% w/w) and 6 % of oleic acid (OA) (% w/w) incorporation into the biocomposites imparted prolonged antibacterial activity against Escherichia coli, Staphylococcus aureus and Pseudomonas aeruginosa. The in vitro cytotoxicity of biocomposites was determined using L929 mouse fibroblast cells. The 3-(4,5-cime- thylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide cytotoxicity tests showed that the PHB derived biocomposites along with antibacterial compounds in it were non-toxic. In vitro degradation of biocomposites was measured for up to 8 weeks in the mimicked physiological environment that showed a gradual rate of degradation over the period.
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Affiliation(s)
- Abhay Pandit
- Department of Biotechnology, Central University of South Bihar, Gaya 824236, India
| | - K Dinesh Kumar
- Department of Materials Science & Engineering, Indian Institute of Technology, Patna 801106, India
| | - Rakesh Kumar
- Department of Biotechnology, Central University of South Bihar, Gaya 824236, India.
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10
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Li G, Bao L, Hu G, Chen L, Zhou X, Hong FF. Development and performance evaluation of a novel elastic bacterial nanocellulose/polyurethane small caliber artificial blood vessels. Int J Biol Macromol 2024:131685. [PMID: 38641268 DOI: 10.1016/j.ijbiomac.2024.131685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 02/05/2024] [Accepted: 04/16/2024] [Indexed: 04/21/2024]
Abstract
There is an increasing demand for small-diameter blood vessels. Currently, there is no clinically available small-diameter artificial vessel. Bacterial nanocellulose (BNC) has vast potential for applications in artificial blood vessels due to its good biocompatibility. At the same time, medical polyurethane (PU) is a highly elastic polymer material widely used in artificial blood vessels. This study reports a composite small-diameter BNC/PU conduit using a non-solvent-induced phase separation method with the highly hydrophilic BNC tube as the skeleton and the hydrophobic polycarbonate PU as the filling material. The results revealed that the compliance and mechanical matching of BNC/PU tubes were higher than BNC tubes; the axial/radial mechanical strength, burst pressure, and suture strength were significantly improved; the blood compatibility and cell compatibility were also excellent. The molecular and subcutaneous embedding tests showed that the composite tubes had lighter inflammatory reactions. The results of the animal substitution experiments showed that the BNC/PU tubes kept blood flow unobstructed without tissue proliferation after implantation in rats for 9 months. Thus, the BNC/PU small-diameter vascular prosthesis had the potential for long-term patency and acted as an ideal material for small-diameter vessels.
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Affiliation(s)
- Geli Li
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China; College of Biological Science and Medical Engineering, Donghua University, No. 2999 North Renmin Road, Shanghai 201620, China
| | - Luhan Bao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
| | - Gaoquan Hu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
| | - Lin Chen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China; College of Biological Science and Medical Engineering, Donghua University, No. 2999 North Renmin Road, Shanghai 201620, China
| | - Xingping Zhou
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
| | - Feng F Hong
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China; College of Biological Science and Medical Engineering, Donghua University, No. 2999 North Renmin Road, Shanghai 201620, China; Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, Donghua University, Shanghai 201620, China; Scientific Research Base of Bacterial Nanofiber Manufacturing and Composite Technology, China Textile Engineering Society, China.
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11
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Zhang Y, Du W, Ye D, Zhou J, Xu W, Xu J. Redox-active NiS@ bacterial cellulose nanofiber composite separators with superior rate capability for lithium-ion batteries. Int J Biol Macromol 2024; 268:131622. [PMID: 38636762 DOI: 10.1016/j.ijbiomac.2024.131622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 04/10/2024] [Accepted: 04/13/2024] [Indexed: 04/20/2024]
Abstract
Separator is an essential component of lithium-ion batteries (LIBs), which is placed between the electrodes to impede their electrical contact and provide the transport channels for lithium ions. Traditionally, the separator contributes the overall mass of LIBs, thereby reducing the gravimetric capacity of the devices. Herein, a dual-layer redox-active cellulose separator is designed and fabricated to enhance the electrochemical performances of LIBs by introducing NiS. The presented separator is composed of an insulating bacterial cellulose (BC) nanofiber layer and a conductive, and redox-active NiS@BC/carbon nanotubes layer. By using the NiS@BC separator, the discharge capacity of the LiFePO4//Li half battery is enhanced to 117 mAh g-1 at a current of 2C owing to the redox-activity of NiS. Moreover, the functional separator-electrode interface can facilitate the homogenous Li stripping/plating and depress the polarization upon the repeated stripping/plating process. Consequently, the battery containing the redox-active separator exhibits outstanding cycle stability and rate capability. The present study contributes a novel strategy for the developments of functional separators to improve the electrochemical properties of LIBs.
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Affiliation(s)
- Yun Zhang
- State Key Lab for Hubei New Textile Materials and Advanced Processing Technology, College of Materials Science & Engineering, Wuhan Textile University, 430200 Wuhan, China
| | - Wei Du
- State Key Lab for Hubei New Textile Materials and Advanced Processing Technology, College of Materials Science & Engineering, Wuhan Textile University, 430200 Wuhan, China.
| | - Dezhan Ye
- State Key Lab for Hubei New Textile Materials and Advanced Processing Technology, College of Materials Science & Engineering, Wuhan Textile University, 430200 Wuhan, China
| | - Jiangang Zhou
- State Key Lab for Hubei New Textile Materials and Advanced Processing Technology, College of Materials Science & Engineering, Wuhan Textile University, 430200 Wuhan, China
| | - Weilin Xu
- State Key Lab for Hubei New Textile Materials and Advanced Processing Technology, College of Materials Science & Engineering, Wuhan Textile University, 430200 Wuhan, China
| | - Jie Xu
- State Key Lab for Hubei New Textile Materials and Advanced Processing Technology, College of Materials Science & Engineering, Wuhan Textile University, 430200 Wuhan, China.
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12
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Kraisuriyawong P, Kornsuthisopon C, Pavasant P, Rattanapisit K, Phoolcharoen W, Hoven VP. Functionalizable bacterial cellulose composite membrane for guided tissue regeneration. Int J Biol Macromol 2024; 268:131655. [PMID: 38636763 DOI: 10.1016/j.ijbiomac.2024.131655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 04/07/2024] [Accepted: 04/15/2024] [Indexed: 04/20/2024]
Abstract
This research aims to develop guided tissue regeneration (GTR) membranes from bacterial cellulose (BC), a natural polysaccharide-based biopolymer. A double-layered BC composite membrane was prepared by coating the BC membrane with mixed carboxymethyl cellulose/poly(ethylene oxide) (CMC/PEO) fibers via electrospinning. The CMC/PEO-BC membranes were then characterized for their chemical and physical characteristics. The 8 % (wt/v) CMC/PEO (1:1) aqueous solution yielded well-defined electrospun CMC/PEO nanofibers (125 ± 10 nm) without beads. The CMC/PEO-BC membranes exhibited good mechanical and swelling properties as well as good cytocompatibility against human periodontal ligament cells (hPDLs). Its functionalizability via carboxyl entities in CMC was tested using the calcium-binding domain of plant-derived recombinant human osteopontin (p-rhOPN-C122). As evaluated by enzyme-linked immunosorbent assay, a 98-99 % immobilization efficiency was achieved in a concentration-dependent manner over an applied p-rhOPN-C122 concentration range of 7.5-30 ng/mL. The biological function of the membrane was assessed by determining the expression levels of osteogenic-related gene transcripts using quantitative real-time reverse-transcriptase polymerase chain reaction. Mineralization assay indicated that the p-rhOPN-C122 immobilized CMC/PEO-BC membrane promoted hPDLs osteogenic differentiation. These results suggested that the developed membrane could serve as a promising GTR membrane for application in bone tissue regeneration.
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Affiliation(s)
- Puthon Kraisuriyawong
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand
| | - Chatvadee Kornsuthisopon
- Stem Cell Biology Research Unit, Faculty of Dentistry, Chulalongkorn University, Bangkok 10330, Thailand
| | - Prasit Pavasant
- Center of Excellence for Regenerative Dentistry, Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand
| | - Kaewta Rattanapisit
- Research Unit for Plant-Produced Pharmaceuticals, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand
| | - Waranyoo Phoolcharoen
- Research Unit for Plant-Produced Pharmaceuticals, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand; Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand
| | - Voravee P Hoven
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand; Center of Excellence in Materials and Biointerfaces, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand; Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand.
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13
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Song J, Fan M, Zhang R, Qu M, Tang P, Wang H, Bin Y. Highly sensitive humidity sensor based on composite film of partially reduced graphene oxide and bacterial cellulose. Biosens Bioelectron 2024; 257:116296. [PMID: 38643550 DOI: 10.1016/j.bios.2024.116296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 03/17/2024] [Accepted: 04/10/2024] [Indexed: 04/23/2024]
Abstract
Breathing is an important physiological activity of human body, which not only reflects the state of human movement, but also is one of the important health indicators. Breathing can change the concentration of water molecules, so monitoring humidity has gradually become a hot topic in modern research. In this study, a humidity sensing composite film with high sensitivity and short response time was made by using the mixture of graphene oxide (GO) and bacterial cellulose (BC) with simple dry film-forming method. L-ascorbic acid was used as reducing agent to reduce GO and improve the conductivity of GO/BC composite film (BG). The influence of different BC contents and the different reduction degree on the resistance change rate of composite film was investigated in details. The maximum resistance change rate of partially reduced BG humidity sensitive composite film reached up to 94%, and the response and recovery time were 13 s and 47 s respectively. Furthermore, the sensor shows obvious resistance change in noncontact sensing test and different breathing states. This kind of humidity sensitive film with fast response and high sensitivity has great potential in human health monitoring and noncontact sensing, and is of great significance in promoting health detection and intelligent life.
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Affiliation(s)
- Jingyi Song
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, PR China
| | - Mingshuai Fan
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, PR China
| | - Rui Zhang
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, PR China
| | - Meijie Qu
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, PR China
| | - Ping Tang
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, PR China
| | - Hai Wang
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, PR China
| | - Yuezhen Bin
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, PR China.
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14
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Ozelin SD, Esperandim TR, Dias FGG, Pereira LDF, Garcia CB, de Souza TO, Magalhães LF, Barud HDS, Sábio RM, Tavares DC. Nanocomposite Based on Bacterial Cellulose and Silver Nanoparticles Improve Wound Healing Without Exhibiting Toxic Effect. J Pharm Sci 2024:S0022-3549(24)00139-4. [PMID: 38615814 DOI: 10.1016/j.xphs.2024.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 04/09/2024] [Accepted: 04/09/2024] [Indexed: 04/16/2024]
Abstract
Wound healing is an important and complex process, containing a multifaceted process governed by sequential yet overlapping phases. Certain treatments can optimize local physiological conditions and improve wound healing. Silver nanoparticles (AgNP) are widely known for their antimicrobial activity. On the other hand, bacterial cellulose (BC) films have been used as a dressing that temporarily substitutes the skin, offering many advantages in optimizing wound healing, in addition to being highly biocompatible. Considering the promising activities of AgNP and BC films, the present study aimed to evaluate the wound healing activity in Wistar Hannover rats using a nanocomposite based on bacterial cellulose containing AgNP (AgBC). In a period of 21 days, its influence on the wound area, microbial growth, histopathological parameters, and collagen content were analyzed. In addition, toxicity indicators were assessed, such as weight gain, water consumption, and creatinine and alanine transaminase levels. After 14 days of injury, the animals treated with AgBC showed a significant increase in wound contraction. The treatment with AgBC significantly reduced the number of microbial colonies compared to other treatments in the first 48 h after the injury. At the end of the 21 experimental days, an average wound contraction rate greater than 97 % in relation to the initial area was observed, in addition to a significant increase in the amount of collagen fibers at the edge of the wounds, lower scores of necrosis, angiogenesis and inflammation, associated with no systemic toxicity. Therefore, it is concluded that the combination of preexisting products to form a new nanocomposite based on BC and AgNP amplified the biological activity of these products, increasing the effectiveness of wound healing and minimizing possible toxic effects of silver.
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Affiliation(s)
- Saulo Duarte Ozelin
- University of Franca, Avenida Dr. Armando Salles de Oliveira, 201, 14404-600, Franca, São Paulo, Brazil
| | | | | | - Lucas de Freitas Pereira
- University of Franca, Avenida Dr. Armando Salles de Oliveira, 201, 14404-600, Franca, São Paulo, Brazil
| | - Cristiane Buzatto Garcia
- University of Franca, Avenida Dr. Armando Salles de Oliveira, 201, 14404-600, Franca, São Paulo, Brazil
| | - Thiago Olímpio de Souza
- University of Franca, Avenida Dr. Armando Salles de Oliveira, 201, 14404-600, Franca, São Paulo, Brazil
| | | | - Hernane da Silva Barud
- University of Araraquara, Biopolymers and Biomaterials Laboratory, Rua Carlos Gomes, 1338, 14801-320, Araraquara, São Paulo, Brazil; BioSmart Nano, Av. Jorge Fernandes de Mattos, 311, 14808-162 Araraquara, São Paulo, Brazil
| | - Rafael Miguel Sábio
- São Paulo State University, School of Pharmaceutical Sciences, Rodovia Araraquara Jaú, Km 01, 14800-903, Araraquara, São Paulo, Brazil
| | - Denise Crispim Tavares
- University of Franca, Avenida Dr. Armando Salles de Oliveira, 201, 14404-600, Franca, São Paulo, Brazil.
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15
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Nasharudin MIH, Siew SW, Ahmad HF, Mahmud N. Whole genome sequencing analysis of Komagataeibacter nataicola reveals its potential in food waste valorisation for cellulose production. Mol Biol Rep 2024; 51:503. [PMID: 38600404 DOI: 10.1007/s11033-024-09492-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Accepted: 03/27/2024] [Indexed: 04/12/2024]
Abstract
BACKGROUND Komagataeibacter nataicola (K. nataicola) is a gram-negative acetic acid bacterium that produces natural bacterial cellulose (BC) as a fermentation product under acidic conditions. The goal of this work was to study the complete genome of K. nataicola and gain insight into the functional genes in K. nataicola that are responsible for BC synthesis in acidic environments. METHODS AND RESULT The pure culture of K. nataicola was obtained from yeast-glucose-calcium carbonate (YGC) agar, followed by genomic DNA extraction, and subjected to whole genome sequencing on a Nanopore flongle flow cell. The genome of K. nataicola consists of a 3,767,936 bp chromosome with six contigs and 4,557 protein coding sequences. The maximum likelihood phylogenetic tree and average nucleotide identity analysis confirmed that the bacterial isolate was K. nataicola. The gene annotation via RAST server discovered the presence of cellulose synthase, along with three genes associated with lactate utilization and eight genes involved in lactate fermentation that could potentially contribute to the increase in acid concentration during BC synthesis. CONCLUSION A more comprehensive genome study of K. nataicola may shed light into biological pathway in BC productivity as well as benefit the analysis of metabolites generated and understanding of biological and chemical interactions in BC production later.
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Affiliation(s)
- Muhammad Irhamni Haziqi Nasharudin
- Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300, Kuantan, Pahang, Malaysia
| | - Shing-Wei Siew
- Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300, Kuantan, Pahang, Malaysia
| | - Hajar Fauzan Ahmad
- Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300, Kuantan, Pahang, Malaysia
- Group of Environment, Microbiology and Bioprocessing (GERMS), Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300, Kuantan, Pahang, Malaysia
| | - Nazira Mahmud
- Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300, Kuantan, Pahang, Malaysia.
- Group of Environment, Microbiology and Bioprocessing (GERMS), Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300, Kuantan, Pahang, Malaysia.
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16
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Diken-Gür S. Investigation of anti-adherence and antimicrobial properties of prodigiosin-functionalized bacterial cellulose membrane for biomedical applications. J Biotechnol 2024; 385:58-64. [PMID: 38458539 DOI: 10.1016/j.jbiotec.2024.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 02/29/2024] [Accepted: 03/03/2024] [Indexed: 03/10/2024]
Abstract
In this study, novel biomaterial that consisted entirely of bacterial products was developed with the approach of designing cost effective material for biomedical applications. With this aim, bacterial cellulose membranes (BCMs) which synthesized by Komagataeibacter intermedius were produced. Moreover, to impart antimicrobial properties to enhance the capacity of BCMs for biomedical usage, prodigiosin (PG) pigment of Serratia marcescens which presents wide range of antimicrobial activities was loaded to BCMs. Firstly, high yield of PG production was achieved, and then crude pigment was purified with silica gel column. The purified PG was characterized with thin layer chromatography and UV-visible spectrometry. The antimicrobial effect of the produced pigment on Gram-positive and negative bacteria and a yeast was investigated. The success of modification in PG-modified BCMs has been demonstrated by FTIR and SEM. Moreover, antimicrobial and antiadhesive ability of novel PG-BCMs were examined with disc diffusion and plate counting methods. As a result, it was established that PG-BCMs were able to inhibit the growth of all tested microorganisms. Furthermore, excellent antiadhesive effect was observed for the tested microorganisms with the inhibition rates of 82.05-96.25 %. Finally, cytotoxicity test with L929 cell line demonstrated that PG-BCM is biocompatible at a level that can be applied in in vivo studies.
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Affiliation(s)
- Sinem Diken-Gür
- Hacettepe University, Faculty of Science, Department of Biology, Ankara, Turkey.
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17
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Qin X, Yuan Y, Fei S, Lin X, Shi S, Wang X, Pang Q, Kang J, Li C, Liu S. Exploring the biotic and abiotic drivers influencing nata de coco production by Komagataeibacter nataicola in pre-fermented coconut water. Int J Food Microbiol 2024; 414:110620. [PMID: 38382414 DOI: 10.1016/j.ijfoodmicro.2024.110620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/29/2024] [Accepted: 02/07/2024] [Indexed: 02/23/2024]
Abstract
In China and Southeast Asia, pre-fermented coconut water is commonly used for the production of nata de coco, a jelly-like fermented food that consists of bacterial cellulose (BC). The inherent natural fermentation process of coconut water introduces uncontrollable variables, which can lead to unstable yields during BC production. This study involved the collection of spontaneously pre-fermented coconut water over a five-month production cycle. The aim was to evaluate the microbiota and metabolite profile, as well as determine its impact on BC synthesis by Komagataeibacter nataicola. Significant variations in the microbial community structure and metabolite profile of pre-fermented coconut water were observed across different production months, these variations had significant effects on BC synthesis by K. nataicola. A total of 52 different bacterial genera and 32 different fungal genera were identified as potential biotic factors that can influence BC production. Additionally, several abiotic factors, including lactate (VIP = 4.92), mannitol (VIP = 4.22), ethanol (VIP = 2.67), and ascorbate (VIP = 1.61), were found to be potential driving forces affecting BC synthesis by K. nataicola. Upon further analysis, the correlation network indicated that 14 biotic factors had a significant contribution to BC production in three strains of K. nataicola. These factors included 8 bacterial genera, such as Limosilactobacillus and Lactiplantibacillus, and 6 fungal genera, such as Meyerozyma and Ogataea. The abiotic factors lactate, mannitol, and ethanol showed a positive correlation with the BC yield. This study provides significant insights into controlling the fermentation processes of pre-fermented coconut water in industrial settings.
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Affiliation(s)
- Xinling Qin
- School of Food Science and Engineering, Hainan University, Haikou 570228, China
| | - Yaqian Yuan
- School of Food Science and Engineering, Hainan University, Haikou 570228, China
| | - Shuangwen Fei
- School of Food Science and Engineering, Hainan University, Haikou 570228, China
| | - Xue Lin
- School of Food Science and Engineering, Hainan University, Haikou 570228, China; Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Haikou 570228, China; Key Laboratory of Tropical Agricultural Products Processing Technology of Haikou City, Haikou 570228, China
| | - Shun Shi
- School of Food Science and Engineering, Hainan University, Haikou 570228, China
| | - Xiangrong Wang
- School of Food Science and Engineering, Hainan University, Haikou 570228, China
| | - Qing Pang
- School of Food Science and Engineering, Hainan University, Haikou 570228, China
| | - Jiamu Kang
- School of Food Science and Engineering, Hainan University, Haikou 570228, China; Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Haikou 570228, China; Key Laboratory of Tropical Agricultural Products Processing Technology of Haikou City, Haikou 570228, China
| | - Congfa Li
- School of Food Science and Engineering, Hainan University, Haikou 570228, China; Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Haikou 570228, China; Key Laboratory of Tropical Agricultural Products Processing Technology of Haikou City, Haikou 570228, China
| | - Sixin Liu
- School of Food Science and Engineering, Hainan University, Haikou 570228, China; Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Haikou 570228, China; Key Laboratory of Tropical Agricultural Products Processing Technology of Haikou City, Haikou 570228, China.
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18
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Płoska J, Garbowska M, Rybak K, Berthold-Pluta A, Stasiak-Różańska L. Study on application of biocellulose-based material for cheese packaging. Int J Biol Macromol 2024; 264:130433. [PMID: 38408577 DOI: 10.1016/j.ijbiomac.2024.130433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/22/2024] [Accepted: 02/23/2024] [Indexed: 02/28/2024]
Abstract
Bacterial cellulose (BC, biocellulose) is a natural polymer of microbiological origin that meets the criteria of a biomaterial for food packaging. The aim of the research was to obtain biocellulose and test its chemical as well as physical characterization as a potential packaging for Dutch-type cheeses. Four variants of biocellulose-based material were obtained: not grinded and grinded variants obtained from YPM medium (YPM-BCNG and YPM-BCG, respectively) and not grinded and grinded variants from acid whey (AW) (AW-BCNG and AW-BCG, respectively). It was demonstrated that AW-BCNG exhibited the highest thermostability and the highest degradation temperature (348 °C). YPM-BCG and YPM-BCNG demonstrated higher sorption properties (approx. 40 %) compared to AW-BCG and AW-BCNG (approx. 15 %). Cheese packaged in biocellulose (except for YPM-BCNG) did not differ in water, fat, or protein content compared to the control cheese. All of the biocellulose packaging variants provided the cheeses with protection against unfavourable microflora. It was demonstrated that cheeses packaged in biocellulose were characterized by lower hardness, fracturability, gumminess, and chewiness than the control cheese sample. The results obtained indicate that BC may be a suitable packaging material for ripening cheeses, which shows a positive impact on selected product features.
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Affiliation(s)
- J Płoska
- Department of Food Technology and Assessment, Institute of Food Sciences, Warsaw University of Life Sciences, Nowoursynowska Street 159c, 02-776 Warsaw, Poland.
| | - M Garbowska
- Department of Food Technology and Assessment, Institute of Food Sciences, Warsaw University of Life Sciences, Nowoursynowska Street 159c, 02-776 Warsaw, Poland
| | - K Rybak
- Department of Food Engineering and Process Management, Institute of Food Sciences, Warsaw University of Life Sciences, Nowoursynowska Street 159c, 02-776 Warsaw, Poland
| | - A Berthold-Pluta
- Department of Food Technology and Assessment, Institute of Food Sciences, Warsaw University of Life Sciences, Nowoursynowska Street 159c, 02-776 Warsaw, Poland
| | - L Stasiak-Różańska
- Department of Food Technology and Assessment, Institute of Food Sciences, Warsaw University of Life Sciences, Nowoursynowska Street 159c, 02-776 Warsaw, Poland
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19
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Jiang C, Chao Y, Xie W, Wu D. Using bacterial cellulose to bridge covalent and physical crosslinks in hydrogels for fabricating multimodal sensors. Int J Biol Macromol 2024; 263:130178. [PMID: 38368981 DOI: 10.1016/j.ijbiomac.2024.130178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 01/16/2024] [Accepted: 02/12/2024] [Indexed: 02/20/2024]
Abstract
Network optimization is vital for the polysaccharide based hydrogels with multiple crosslinks. In this study, we developed a 'two-step' strategy to activate synergistic effect of chemical and physical crosslinks using a poly (vinyl alcohol) (PVA)/bacterial cellulose (BC) hydrogel as a template. The BC nanofibers, on the one hand, acted as nucleating agents, participating in the crystallization of PVA, and on the other hand, were also involved in the formation of boronic ester bond, anchored with the PVA chains via chemical bonding. Therefore, the existence of BC nanofibers, as 'bridge', linked the crystalline regions and amorphous parts of PVA together, associating the two characteristic crosslinks, which was conducive to load transfer. The mechanical properties of resultant hydrogels, including the tensile elongation and strength, as well as fracture toughness, were significantly improved. Moreover, the dually cross-linked hydrogels possessed ionic conductivity, which was sensitive to the tensile deformation and environmental temperature. This study clarifies a unique role of BC nanofibers in hydrogels, and proposes an effective approach to construct multiple networks in the nanocellulose reinforced PVA hydrogels.
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Affiliation(s)
- Chenguang Jiang
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu Province 225002, PR China
| | - Yuchen Chao
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu Province 225002, PR China
| | - Wenyuan Xie
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu Province 225002, PR China; Institute for Innovative Materials & Energy, Yangzhou University, Yangzhou, Jiangsu Province 225002, PR China.
| | - Defeng Wu
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu Province 225002, PR China; Provincial Key Laboratories of Environmental Materials & Engineering, Yangzhou, Jiangsu Province 225002, PR China.
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20
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Lou Y, Xi J, Jiang S, Chu Y, Deng W, Bian H, Xu Z, Xiao H, Wu W. Nanocellulose-based membranes with pH- and temperature-responsive pore size for selective separation. Int J Biol Macromol 2024; 263:130176. [PMID: 38368977 DOI: 10.1016/j.ijbiomac.2024.130176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 01/15/2024] [Accepted: 02/12/2024] [Indexed: 02/20/2024]
Abstract
Smart gating membranes have drawn much attention due to the controllable pore structure. Herein, a smart gating membrane with dual responsiveness was prepared from bacteria cellulose (BC) grafted with pH- and temperature-responsive polymers. By external stimulation, the average pore size of the membrane can be controlled from 33.75 nm to 144.81 nm, and the pure water flux can be regulated from 342 to 2118 L·m-2·h-1 with remarkable variation in the pH range of 1-11 and temperature range of 20-60 °C. The adjustability of pore size is able to achieve the gradient selective separation of particles and polymers with different sizes. In addition, owing to the underwater superoleophobicity and the nanoscale pore structure, the membrane separation efficiencies of emulsified oils are higher than 99 %. Moreover, the controllable pore size endows the membrane with good self-cleaning performance. This nanocellulose-based smart gating membrane has potential applications in the fields of controllable permeation, selective separation, fluid transport, and drug/chemical controlled release systems.
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Affiliation(s)
- Yanling Lou
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Jianfeng Xi
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
| | - Shan Jiang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Youlu Chu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Wen Deng
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Huiyang Bian
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Zhaoyang Xu
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Huining Xiao
- Department of Chemical Engineering, University of New Brunswick, Fredericton, NB E3B 5A3, Canada
| | - Weibing Wu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
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21
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Zhang R, Zheng R, Zheng Z, Chen Q, Jiang N, Tang P, Wang H, Bin Y. Bacterial cellulose/multi-walled carbon nanotube composite films for moist-electric energy harvesting. Int J Biol Macromol 2024; 263:130022. [PMID: 38331064 DOI: 10.1016/j.ijbiomac.2024.130022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 01/23/2024] [Accepted: 02/05/2024] [Indexed: 02/10/2024]
Abstract
Generation of renewable and clean electricity energy from ubiquitous moisture for the power supply of portable electronic devices has become one of the most promising energy collection methods. However, the modest electrical output and transient power supply characteristics of existing moist-electric generator (MEG) severely limit its commercial application, leading to an urgent demand of developing a MEG with high electrical output and continuous power generation capacity. In this work, it is demonstrated that a flexible bacterial cellulose (BC)/Multi-walled carbon nanotube (MWCNT) double-layer (BM-dl) film prepared by vacuum filtration can maintain the moisture concentration difference in the film MEG. Unlike previous studies on cellulose based MEG, BM-dl film has a heterogeneous structure, resulting in a maximum output power density of 0.163 μW/cm2, an extreme voltage of 0.84 V, and current of 2.21 μA at RH = 90 %. BM-dl MEG can generate a voltage of 0.55 V continuously for 45 h in a natural environment (RH = 63-77 %, T = 26-27 °C), which is in a leading level among existing reported cellulose-based MEGs. In summary, this study provides new ideas for innovative design of MEG, which is highly competitive in terms of energy supply for the Internet of Things and wearable devices.
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Affiliation(s)
- Rui Zhang
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
| | - Ruitong Zheng
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
| | - Zhiyi Zheng
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
| | - Qingyi Chen
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
| | - Nan Jiang
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
| | - Ping Tang
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
| | - Hai Wang
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China.
| | - Yuezhen Bin
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China.
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22
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Li D, Li EJ, Li L, Li B, Jia S, Xie Y, Zhong C. Effect of TEMPO-oxidized bacterial cellulose nanofibers stabilized Pickering emulsion of cinnamon essential oil on structure and properties of gelatin composite films. Int J Biol Macromol 2024; 264:130344. [PMID: 38401581 DOI: 10.1016/j.ijbiomac.2024.130344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 02/10/2024] [Accepted: 02/19/2024] [Indexed: 02/26/2024]
Abstract
Pure gelatin film often exhibits high hydrophilicity and a lack of antibacterial activity, hindering its practical application in the field of food preservation. To address these issues, we incorporated 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO)-oxidized bacterial cellulose (TOBC) nanofibers stabilized cinnamon essential oil (CEO) Pickering emulsions into the gelatin matrix to develop active food packaging films. The study revealed that the good distribution of emulsion droplets in the film matrix. While with increasing Pickering emulsion proportion, the microstructures of composite films were more heterogeneous, showing some pores or cavities. In addition, the insertion of TOBC-stabilized CEO emulsions could improve the elongation at break (EAB), water-resistance, UV blocking ability, and antibacterial activity of film, but reduced its tensile strength (TS) and water vapor barrier properties (WVP). Notably, the film prepared with 4 % TOBC-stabilized CEO Pickering emulsion demonstrated enhanced preservation of strawberries. Overall, the as-prepared gelatin-based active composite films have considerable potential for food packaging.
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Affiliation(s)
- Dongmei Li
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China
| | - En-Jie Li
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China
| | - Li Li
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China
| | - Bo Li
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China
| | - Shiru Jia
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China
| | - Yanyan Xie
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China.
| | - Cheng Zhong
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China.
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23
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Hernández-Guerrero M, Gomez-Maldonado D, Gutiérrez-Castañeda J, Revah S, Campos-Terán J, Vigueras-Ramírez G. Assessment of Culture Systems to Produce Bacterial Cellulose with a Kombucha Consortium. Appl Biochem Biotechnol 2024:10.1007/s12010-024-04929-z. [PMID: 38558275 DOI: 10.1007/s12010-024-04929-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/18/2024] [Indexed: 04/04/2024]
Abstract
Bacterial cellulose (BC) is an emerging material for high-end applications due to its biocompatibility and physicochemical characteristics. However, the scale-up production of this material is still expensive, with the culture medium constituting one-third of the total cost. Herein, four different media (yeast nitrogen base, YNB; Murashige and Skoog, MSO; black tea; and NPK fertilizer solution) were compared while using sucrose as an additional carbon source. The yields of BC were best for YNB and fertilizer with 0.37 and 0.34 gBC/gC respectively. These two were then compared using glucose as a carbon source, with improvements in the production of 29% for the fertilizer, while only an 8% increase for YNB was seen; however, as the carbon concentration increased with a fixed N concentration, the yield was lower but the rate of production of BC increased. The obtained BC films were sanitized and showed low molecular weight and all the expected cellulose characteristic FT-IR bands while SEM showed nanofibers around 0.1 μm. Compared to traditional methods for lab-scale production, the use of the fertilizer and the consortium represent benefits compared to traditional lab-scale BC culture methods such as a competitive cost (two times lower) while posing resilience and tolerance to stress conditions given that it is produced by microbial communities and not with a single strain. Additionally, the low molecular weight of the films could be of interest for certain coating formulations.
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Affiliation(s)
- Maribel Hernández-Guerrero
- Departamento de Procesos y Tecnología, Universidad Autónoma Metropolitana-Cuajimalpa, Vasco de Quiroga 4871, Cuajimalpa, 05348, Mexico City, Mexico
| | - Diego Gomez-Maldonado
- Department of Chemical Engineering, Northeastern University, 360 Huntington Ave, Boston, MA, 02115, USA
| | - Jorge Gutiérrez-Castañeda
- Ingeniería Biológica, Universidad Autónoma Metropolitana-Cuajimalpa, Vasco de Quiroga 4871, Cuajimalpa, 05348, Mexico City, Mexico
| | - Sergio Revah
- Departamento de Procesos y Tecnología, Universidad Autónoma Metropolitana-Cuajimalpa, Vasco de Quiroga 4871, Cuajimalpa, 05348, Mexico City, Mexico
| | - José Campos-Terán
- Departamento de Procesos y Tecnología, Universidad Autónoma Metropolitana-Cuajimalpa, Vasco de Quiroga 4871, Cuajimalpa, 05348, Mexico City, Mexico
| | - Gabriel Vigueras-Ramírez
- Departamento de Procesos y Tecnología, Universidad Autónoma Metropolitana-Cuajimalpa, Vasco de Quiroga 4871, Cuajimalpa, 05348, Mexico City, Mexico.
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24
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Saleh AK, Ray JB, El-Sayed MH, Alalawy AI, Omer N, Abdelaziz MA, Abouzeid R. Functionalization of bacterial cellulose: Exploring diverse applications and biomedical innovations: A review. Int J Biol Macromol 2024; 264:130454. [PMID: 38417758 DOI: 10.1016/j.ijbiomac.2024.130454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/05/2024] [Accepted: 02/24/2024] [Indexed: 03/01/2024]
Abstract
The demand for the functionalization of additive materials based on bacterial cellulose (BC) is currently high due to their potential applications across various sectors. The preparation of BC-based additive materials typically involves two approaches: in situ and ex situ. In situ modifications entail the incorporation of additive materials, such as soluble and dispersed substances, which are non-toxic and not essential for bacterial cell growth during the production process. However, these materials can impact the yield and self-assembly of BC. In contrast, ex situ modification occurs subsequent to the formation of BC, where the additive materials are not only adsorbed on the surface but also impregnated into the BC pellicle, while the BC slurry was homogenized with other additive materials and gelling agents to create composite films using the casting method. This review will primarily focus on the in situ and ex situ functionalization of BC then sheds light on the pivotal role of functionalized BC in advancing biomedical technologies, wound healing, tissue engineering, drug delivery, bone regeneration, and biosensors.
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Affiliation(s)
- Ahmed K Saleh
- Cellulose and Paper Department, National Research Centre, 33 El-Bohouth St., Dokki, P.O. 12622 Giza, Egypt.
| | - Julie Basu Ray
- Department of Health Sciences, Christian Brothers University, Memphis, TN, USA
| | - Mohamed H El-Sayed
- Department of Biology, College of Science and Arts, Northern Border University, Arar, Saudi Arabia
| | - Adel I Alalawy
- Department of Biochemistry, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia
| | - Noha Omer
- Department of chemistry, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia
| | - Mahmoud A Abdelaziz
- Department of chemistry, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia
| | - Ragab Abouzeid
- Cellulose and Paper Department, National Research Centre, 33 El-Bohouth St., Dokki, P.O. 12622 Giza, Egypt; School of Renewable Natural Resources, Louisiana State University, Baton Rouge, LA 70803, USA.
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25
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Shen W, Cui J, Chen C, Zhang L, Sun D. Metal-organic framework derived transition metal sulfides grown on carbon nanofibers as self-supported catalysts for hydrogen evolution reaction. J Colloid Interface Sci 2024; 659:364-373. [PMID: 38181700 DOI: 10.1016/j.jcis.2023.12.171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/21/2023] [Accepted: 12/28/2023] [Indexed: 01/07/2024]
Abstract
Metal-organic framework (MOF) derived transition metal-based electrocatalysts have received great attention as substitutes for noble metal-based hydrogen evolution catalysts. However, the low conductivity and easy detachments from electrodes of raw MOF have seriously hindered their applications in hydrogen evolution reaction. Herein, we report the facile preparation of Co-NSC@CBC84, a porous carbon-based and self-supported catalyst containing Co9S8 active species, by pyrolysis and sulfidation of in-situ grown ZIF-67 on polydopamine-modified biomass bacterial cellulose (PDA/BC). As a binder-free and self-supported electrocatalyst, Co-NSC@CBC84 exhibits superior electrocatalytic properties to other reported cobalt-based sulfide catalytic materials and has good stability in 0.5 M H2SO4 electrolyte. At the current density of 10 mA cm-2, only an overpotential of 138 mV was required, corresponding to a Tafel slope of 123 mV dec-1, owing to the strong synergy effect between Co-NSC nanoparticles and CBC substrate. This work therefore provides a feasible approach to prepare self-supported transition metal sulfides as HER catalysts, which is helpful for the development of noble metal-free catalysts and biomass carbon materials.
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Affiliation(s)
- Wei Shen
- Institute of Chemicobiology and Functional Materials, School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei, Nanjing 210094, China
| | - Jian Cui
- Institute of Chemicobiology and Functional Materials, School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei, Nanjing 210094, China
| | - Chuntao Chen
- Institute of Chemicobiology and Functional Materials, School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei, Nanjing 210094, China
| | - Lei Zhang
- Institute of Chemicobiology and Functional Materials, School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei, Nanjing 210094, China
| | - Dongping Sun
- Institute of Chemicobiology and Functional Materials, School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei, Nanjing 210094, China.
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26
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Tang L, Jin Y, He X, Huang R. Biodegradable poly(ethylene glycol-glycerol-itaconate-sebacate) copolyester elastomer with significantly reinforced mechanical properties by in-situ construction of bacterial cellulose interpenetrating network. Sci Rep 2024; 14:7172. [PMID: 38531891 DOI: 10.1038/s41598-024-56534-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 03/07/2024] [Indexed: 03/28/2024] Open
Abstract
To address the concern that biodegradable elastomers are environmental-friendly but usually associated with poor properties for practical utilization, we report a star-crosslinked poly(ethylene glycol-glycerol-itaconate-sebacate) (PEGIS) elastomer synthesized by esterification, polycondensation and UV curing, and reinforced by bacterial cellulose (BC). The interpenetrating network of primary BC backbone and vulcanized elastomer is achieved by the "in-situ secondary network construction" strategy. With the well dispersion of BC without agglomeration, the mechanical properties of PEGIS are significantly enhanced in tensile strength, Young's modulus and elongation at break. The reinforcement strategy is demonstrated to be efficient and offers a route to the development of biodegradable elastomers for a variety of applications in the future.
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Affiliation(s)
- Lisheng Tang
- Center for Innovation and Entrepreneurship, Taizhou Institute of Zhejiang University, Taizhou, 318000, Zhejiang, China
- Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, Zhejiang, China
| | - Yuanyuan Jin
- Center for Innovation and Entrepreneurship, Taizhou Institute of Zhejiang University, Taizhou, 318000, Zhejiang, China
| | - Xiaoyan He
- Center for Innovation and Entrepreneurship, Taizhou Institute of Zhejiang University, Taizhou, 318000, Zhejiang, China.
| | - Ran Huang
- Academy for Engineering and Applied Technology; Yiwu Research Institute; Zhuhai Fudan Innovation Institute, Fudan University, Shanghai, 200433, China.
- Center for Innovation and Entrepreneurship, Taizhou Institute of Zhejiang University, Taizhou, 318000, Zhejiang, China.
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27
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罗 川, 张 莉, 冉 力, 尤 炫, 黄 石. [New Advances in the Application of Bacterial Cellulose Composite Materials in the Field of Bone Tissue Engineering]. Sichuan Da Xue Xue Bao Yi Xue Ban 2024; 55:243-248. [PMID: 38645860 PMCID: PMC11026885 DOI: 10.12182/20240360507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Indexed: 04/23/2024]
Abstract
Bacterial cellulose (BC) is a type of extracellular polymeric nanomaterial secreted by microorganisms over the course of their growth. It has gained significant attention in the field of bone tissue engineering due to its unique structure of three-dimensional fibrous network, excellent biocompatibility, biodegradability, and exceptional mechanical properties. Nevertheless, BC still has some weaknesses, including low osteogenic activity, a lack of antimicrobial properties, small pore size, issues with the degradation rate, and a mismatch in bone tissue regeneration, limiting its standalone use in the field of bone tissue engineering. Therefore, the modification of BC and the preparation of BC composite materials have become a recent research focus. Herein, we summarized the relationships between the production, modification, and bone repair applications of BC. We introduced the methods for the preparation and the modification of BC. Additionally, we elaborated on the new advances in the application of BC composite materials in the field of bone tissue engineering. We also highlighted the existing challenges and future prospects of BC composite materials.
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Affiliation(s)
- 川 罗
- 四川大学华西医院 骨科 (成都 610041)Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 莉 张
- 四川大学华西医院 骨科 (成都 610041)Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 力瑜 冉
- 四川大学华西医院 骨科 (成都 610041)Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 炫合 尤
- 四川大学华西医院 骨科 (成都 610041)Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 石书 黄
- 四川大学华西医院 骨科 (成都 610041)Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
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28
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Nguyen TP, Nguyen NN, Lien TN, Nguyen QD. Tannin Removal of Cashew Apple Juice by Powdered Gelatin Treatment and Its Utilization in Bacterial Cellulose Production. Appl Biochem Biotechnol 2024; 196:1435-1449. [PMID: 37418126 DOI: 10.1007/s12010-023-04632-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/01/2023] [Indexed: 07/08/2023]
Abstract
In this study, cashew apple juice was treated with different levels of powdered gelatin (2%, 5%, and 10%) to remove tannins. The results showed that the addition of 5% gelatin removed 99.2% of condensed tannins while did not affect reducing sugars of juice. Subsequently, tannin-free cashew apple juice (CA) was aerobically fermented for 14 days with Komagataeibacter saccharivorans strain 1.1 (KS) and Gluconacetobacter entanii HWW100 (GE) in comparison with Hestrin-Schramm (HS) medium as control. The dry weight of bacterial cellulose (BC) obtained from the KS strain (2.12 and 1.48 g/L for CA and HS media, respectively) was higher than that from the GE strain (0.69 and 1.21 g/L for CA and HS media, respectively). Although GE showed low BC production yield, its viability in both media after 14-day fermentation was notable (6.06-7.21 log CFU/mL) compared to KS strain (1.90-3.30 log CFU/mL). In addition, the XRD and FT-IR analysis showed that there was no significant difference in the crystallinity and functional groups of BC films when cultured on CA and HS medium, while the morphology by SEM exhibited the phenolic molecules on the film surface. Cashew apple juice has been shown to be a viable and cost-effective medium for the BC production.
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Affiliation(s)
- Tran-Phong Nguyen
- Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, Ho Chi Minh City, 754000, Vietnam
| | - Nhu-Ngoc Nguyen
- Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, Ho Chi Minh City, 754000, Vietnam
| | - Tuyet-Ngan Lien
- Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, Ho Chi Minh City, 754000, Vietnam
| | - Quoc-Duy Nguyen
- Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, Ho Chi Minh City, 754000, Vietnam.
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29
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Yang L, Zhu X, Chen Y, Wang J. Enhanced bacterial cellulose production in Gluconacetobacter xylinus by overexpression of two genes (bscC and bcsD) and a modified static culture. Int J Biol Macromol 2024; 260:129552. [PMID: 38242407 DOI: 10.1016/j.ijbiomac.2024.129552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/09/2024] [Accepted: 01/15/2024] [Indexed: 01/21/2024]
Abstract
Bacterial cellulose (BC), a nanostructured material, is renowned for its excellent properties. However, its production by bacteria is costly due to low medium utilization and conversion rates. To enhance the yield of BC, this study aimed to increase BC yield through genetic modification, specifically by overexpressing bcsC and bcsD in Gluconacetobacter xylinus, and by developing a modified culture method to reduce medium viscosity by adding water during fermentation. As a result, BC yields of 5.4, 6.2, and 6.8 g/L were achieved from strains overexpressing genes bcsC, bcsD, and bcsCD, significantly surpassing the yield of 2.2 g/L from wild-type (WT) strains. In the modified culture, the BC yields of all four strains increased by >1 g/L with the addition of 20 mL of water during fermentation. Upon comparing the properties of BC, minimal differences were observed between the WT and pbcsC strains, as well as between the static and modified cultures. In contrast, BC produced by strains overexpressing bcsD had a denser microstructural network and exhibited demonstrated higher tensile strength and elongation-to-break. Compared to WT, BC from bcsD overexpressed strains also displayed enhanced crystallinity, higher degree of polymerization and improved thermal stability.
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Affiliation(s)
- Leyun Yang
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, The Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China.
| | - Xinxin Zhu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, Puzhu South Road, Nanjing 211816, China
| | - Yong Chen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, Puzhu South Road, Nanjing 211816, China
| | - Jun Wang
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, The Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
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30
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Jiang S, Yan Z, Deng Y, Deng W, Xiao H, Wu W. Fluorescent bacterial cellulose@Zr-MOF via in-situ synthesis for efficient enrichment and sensitive detection of Cr(VI). Int J Biol Macromol 2024; 262:129854. [PMID: 38309390 DOI: 10.1016/j.ijbiomac.2024.129854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 01/27/2024] [Accepted: 01/29/2024] [Indexed: 02/05/2024]
Abstract
In this study, for the first time, a new Zr-metal-organic framework (MOF) with strong aggregation-induced emission was successfully grown on bacterial cellulose (BC) using an in situ synthesis method, yielding the fluorescent composite nanofiber BC@Zr-MOF. The BC with abundant hydroxyl groups, which can be uniformly wrapped in the interior of the MOF layer to form BC@Zr-MOF, was used as the growth template. The resulting composite nanofibers had a higher specific surface area (1, 116 m2/g), stronger fluorescence emission and better pH stability than MOF particles. In addition, BC@Zr-MOF exhibited selective recognition and enrichment of Cr2O72- in the aqueous phase and a high adsorption capacity of 90 mg/g. Moreover, because of the high aspect ratio and good tensile strength (6.73 N/mm2), BC@Zr-MOF nanofibers could be readily made into freestanding nanopapers via vacuum filtration, thus solving the molding and recycling problems of MOFs. The facilely prepared test paper could rapidly, sensitively and selectively detect Cr2O72- with the limit of detection (LOD) of 41.8 nM, which is nearly 500 times lower than that of the national drinking water standard. Moreover, the LOD of BC@Zr-MOF nanopapers, when used in combination with circulating filtration, decreases to 6.9 nM owing to the adsorption-enrichment effect.
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Affiliation(s)
- Shan Jiang
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Zifei Yan
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Yuqing Deng
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Wen Deng
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Huining Xiao
- Department of Chemical Engineering, University of New Brunswick, Fredericton, NB E3B 5A3, Canada.
| | - Weibing Wu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
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Ghozali M, Meliana Y, Masruchin N, Rusmana D, Chalid M. Preparation and characterization of Arenga pinnata thermoplastic starch/ bacterial cellulose nanofiber biocomposites via in-situ twin screw extrusion. Int J Biol Macromol 2024; 261:129792. [PMID: 38286368 DOI: 10.1016/j.ijbiomac.2024.129792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/17/2024] [Accepted: 01/25/2024] [Indexed: 01/31/2024]
Abstract
Thermoplastic starch (TPS) is considered as alternative material for substitute petroleum-based materials for single-use packaging material applications. The main weakness of TPS is sensitive to water and humidity which causes low mechanical properties and low thermal resistance. To address this limitation, one can enhance the strength is by incorporating cellulose nanofiber as a reinforcing agent. Cellulose nanofiber used in this study is bacterial cellulose, synthesized from tapioca liquid waste media, namely Nata de Cassava (NDCass). The effect of NDCass addition to TPS on chemical characteristics, physical properties, crystallinity, mechanical properties, and thermal properties was investigated. As the results, NDCass incorporation has no significant effect on the chemical structure and crystal structure of composites as observed by FTIR and XRD analysis. Incorporating of NDCass improved the mechanical properties by 37.3 %, the thermal stability, and the viscosity, however reduced the elongation at break by 65.6 %, the density, the melt flow and shear rate of TPS biocomposite. This study evidently that starch from Arenga pinnata trunk and bacterial cellulose from tapioca liquid waste can be manufactured into biocomposites using in-situ twin screw extrusion which beneficial for large-scale applications.
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Affiliation(s)
- Muhammad Ghozali
- Research Center for Chemistry, National Research and Innovation Agency (BRIN), Tangerang Selatan 15314, Indonesia; Department of Metallurgical and Material Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia.
| | - Yenny Meliana
- Research Center for Chemistry, National Research and Innovation Agency (BRIN), Tangerang Selatan 15314, Indonesia
| | - Nanang Masruchin
- Research Center for Biomass and Bioproducts, National Research and Innovation Agency (BRIN), Cibinong 16911, Indonesia
| | - Dasep Rusmana
- Research Center for Polymer Technology, National Research and Innovation Agency (BRIN), Tangerang Selatan 15314, Indonesia
| | - Mochamad Chalid
- Department of Metallurgical and Material Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia.
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Lee J, An HE, Lee KH, Kim S, Park C, Kim CB, Yoo HY. Identification of Gluconacetobacter xylinus LYP25 and application to bacterial cellulose production in biomass hydrolysate with acetic acid. Int J Biol Macromol 2024; 261:129597. [PMID: 38266828 DOI: 10.1016/j.ijbiomac.2024.129597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 01/12/2024] [Accepted: 01/17/2024] [Indexed: 01/26/2024]
Abstract
Bacterial cellulose (BC) is a remarkable biomacromolecule with potential applications in food, biomedical, and other industries. However, the low economic feasibility of BC production processes hinders its industrialization. In our previous work, we obtained candidate strains with improved BC production through random mutations in Gluconacetobacter. In this study, the molecular identification of LYP25 strain with significantly improved productivity, the development of chestnut pericarp (CP) hydrolysate medium, and its application in BC fermentation were performed for cost-effective BC production process. As a result, the mutant strain was identified as Gluconacetobacter xylinus. The CP hydrolysate (CPH) medium contained 30 g/L glucose with 0.4 g/L acetic acid, whereas other candidates known to inhibit fermentation were not detected. Although acetic acid is generally known as a fermentation inhibitor, it improves the BC production by G. xylinus when present within about 5 g/L in the medium. Fermentation of G. xylinus LYP25 in CPH medium resulted in 17.3 g/L BC, a 33 % improvement in production compared to the control medium, and BC from the experimental and control groups had similar physicochemical properties. Finally, the overall process of BC production from biomass was evaluated and our proposed platform showed the highest yield (17.9 g BC/100 g biomass).
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Affiliation(s)
- Jeongho Lee
- Department of Biotechnology, Sangmyung University, 20, Hongjimun 2-Gil, Jongno-Gu, Seoul 03016, Republic of Korea
| | - Hyung-Eun An
- Department of Biotechnology, Sangmyung University, 20, Hongjimun 2-Gil, Jongno-Gu, Seoul 03016, Republic of Korea
| | - Kang Hyun Lee
- Department of Biotechnology, Sangmyung University, 20, Hongjimun 2-Gil, Jongno-Gu, Seoul 03016, Republic of Korea; Department of Bio-Convergence Engineering, Dongyang Mirae University, 445-8, Gyeongin-Ro, Guro-Gu, Seoul 08221, Republic of Korea
| | - Seunghee Kim
- Department of Biotechnology, Sangmyung University, 20, Hongjimun 2-Gil, Jongno-Gu, Seoul 03016, Republic of Korea
| | - Chulhwan Park
- Department of Chemical Engineering, Kwangwoon University, 20, Kwangwoon-Ro, Nowon-Gu, Seoul 01897, Republic of Korea.
| | - Chang-Bae Kim
- Department of Biotechnology, Sangmyung University, 20, Hongjimun 2-Gil, Jongno-Gu, Seoul 03016, Republic of Korea.
| | - Hah Young Yoo
- Department of Biotechnology, Sangmyung University, 20, Hongjimun 2-Gil, Jongno-Gu, Seoul 03016, Republic of Korea.
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Zhang K, Wu H, Zhang X, Dong H, Chen S, Xu Y, Xu F. Bacterial nanocellulose membrane with opposite surface charges for large-scale and large-area osmotic energy harvesting and ion transport. Int J Biol Macromol 2024; 260:129461. [PMID: 38237827 DOI: 10.1016/j.ijbiomac.2024.129461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 12/27/2023] [Accepted: 01/11/2024] [Indexed: 01/21/2024]
Abstract
How to optimize ion-exchange membrane materials has been the key for researchers recently working on the use of reverse electrodialysis to harvest osmotic energy. Based on the considerations of improving membrane performance and conversion to large-area industrial production, this work first proposes an easy-industrialized strategy to treat bacterial cellulose membranes by hot pressing and hot pressing with etherification modification, and then to obtain anion-selective and cation-selective membrane pairs (PBC-M and NBC-M) with opposite charges. The PBC-M obtained by multi-step treatment has excellent hydrophobicity, good surface charge density, and more favorable nanochannel size for the functioning of double layer. The maximum output power density of 44.1 mW m-2 was obtained in artificial river water and seawater simulated salinity gradient power generation. Applied to a larger test area, the power output of the system where a single membrane is located can reach 2.2 × 10-3 mW, which is ahead of similar experimental products. The two membranes prepared can also be used in combination, which provides a new idea for full cell design. It's important to open up a new route for optimizing nanofluidic channel design, regulating ion flux transport, and advancing the large-scale industrialization of biomass nanofluidic membrane RED system.
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Affiliation(s)
- Kejian Zhang
- Beijing Key Laboratory of Lignocellulosic Chemistry, MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing, 100083, PR China
| | - Hongqin Wu
- Beijing Key Laboratory of Lignocellulosic Chemistry, MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing, 100083, PR China
| | - Xiao Zhang
- Beijing Key Laboratory of Lignocellulosic Chemistry, MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing, 100083, PR China
| | - Huilin Dong
- Beijing Key Laboratory of Lignocellulosic Chemistry, MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing, 100083, PR China
| | - Shen Chen
- Beijing Key Laboratory of Lignocellulosic Chemistry, MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing, 100083, PR China
| | - Yanglei Xu
- Beijing Key Laboratory of Lignocellulosic Chemistry, MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing, 100083, PR China; Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China.
| | - Feng Xu
- Beijing Key Laboratory of Lignocellulosic Chemistry, MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing, 100083, PR China; Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China.
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Ke W, Ge F, Shi X, Zhang Y, Wu T, Zhu X, Cheng Y, Shi Y, Wang Z, Yuan L, Yan Y. Superelastic and superflexible cellulose aerogels for thermal insulation and oil/water separation. Int J Biol Macromol 2024; 260:129245. [PMID: 38191109 DOI: 10.1016/j.ijbiomac.2024.129245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/22/2023] [Accepted: 01/03/2024] [Indexed: 01/10/2024]
Abstract
Aerogels with low thermal conductivity and high adsorption capacity present a promising solution to curb water pollution caused by organic reagents as well as mitigate heat loss. Although aerogels exhibiting good adsorption capacity and thermal insulation have been reported, materials with mechanical integrity, high flexibility and shear resistance still pose a formidable task. Here, we produced bacterial cellulose-based ultralight multifunctional hybrid aerogels by using freeze-drying followed by chemical vapor deposition silylation method. The hybrid aerogels displayed a low density of 10-15 mg/cm3, high porosity exceeding 99.1 %, low thermal conductivity (27.3-29.2 mW/m.K) and superior hydrophobicity (water contact angle>120o). They also exhibited excellent mechanical properties including superelasticity, high flexibility and shear resistance. The hybrid aerogels demonstrated high heat shielding efficiency when used as an insulating material. As a selective oil absorbent, the hybrid aerogels exhibit a maximum adsorption capacity of up to approximately 156 times its own weight and excellent recoverability. Especially, the aerogel's highly accessible porous microstructure results in an impressive flux rate of up to 162 L/h.g when used as a filter in a continuous oil-water separator to isolate n-hexane-water mixtures. This work presents a novel endeavor to create high-performance, sustainable, reusable, and adaptable multifunctional aerogels.
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Affiliation(s)
- Weikang Ke
- Biomass Molecular Engineering Center, Department of Material Science and Engineering, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Fang Ge
- Biomass Molecular Engineering Center, Department of Material Science and Engineering, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Xiaolong Shi
- Biomass Molecular Engineering Center, Department of Material Science and Engineering, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Yutao Zhang
- Biomass Molecular Engineering Center, Department of Material Science and Engineering, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Tianyu Wu
- Biomass Molecular Engineering Center, Department of Material Science and Engineering, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Xi Zhu
- Biomass Molecular Engineering Center, Department of Material Science and Engineering, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Yaming Cheng
- Biomass Molecular Engineering Center, Department of Material Science and Engineering, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Yiqian Shi
- Biomass Molecular Engineering Center, Department of Material Science and Engineering, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Zhongkai Wang
- Biomass Molecular Engineering Center, Department of Material Science and Engineering, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Liang Yuan
- Biomass Molecular Engineering Center, Department of Material Science and Engineering, Anhui Agricultural University, Hefei, Anhui 230036, China.
| | - Youxian Yan
- Biomass Molecular Engineering Center, Department of Material Science and Engineering, Anhui Agricultural University, Hefei, Anhui 230036, China.
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Jori Roslan N, Jamal SH, Abdul Rashid JI, Norrrahim MNF, Ong KK, Wan Yunus WMZ. Response surface methodology for optimization of nitrocellulose preparation from nata de coco bacterial cellulose for propellant formulation. Heliyon 2024; 10:e25993. [PMID: 38380021 PMCID: PMC10877292 DOI: 10.1016/j.heliyon.2024.e25993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 02/06/2024] [Accepted: 02/06/2024] [Indexed: 02/22/2024] Open
Abstract
Nitrocellulose (NC) has garnered significant interest among researchers due to its versatile applications, contingent upon the degree of nitration that modifies the cellulose structure. For instance, NC with a high nitrogen content, exceeding 12.5%, finds utility as a key ingredient in propellant formulations, while variants with lower nitrogen content prove suitable for a range of other applications, including the formulation of printing inks, varnishes, and coatings. This communication aims to present the outcomes of our efforts to optimize the nitration reaction of bacterial cellulose to produce high-nitrogen-content NC, employing the response surface methodology (RSM). Our investigation delves into the influence of the mole ratio of sulfuric and nitric acids, reaction temperature, and nitration duration on the nitrogen content of the resultant products. Utilizing a central composite design (CCD), we identified the optimal conditions for NC synthesis. Analysis of variance (ANOVA) underscored the substantial impact of these reaction conditions on the percentage of nitrogen content (%N) yield. By implementing the predicted optimal conditions-namely, a H2SO4:HNO3 mole ratio of 3:1, a reaction temperature of 35 °C, and a reaction period of 22 min-we successfully produced NC with a nitrogen content of 12.64%. Characterization of these products encompassed elemental analysis, Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), thermal gravimetric analysis (TGA), and field emission scanning electron microscopy (FESEM).
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Affiliation(s)
- Nursyafiqah Jori Roslan
- Department of Defence Science, Faculty of Defence Science and Technology, National Defence University of Malaysia, 57000, Kuala Lumpur, Malaysia
| | - Siti Hasnawati Jamal
- Centre for Tropicalization, Defence Research Institute, National Defence University of Malaysia, 57000, Kuala Lumpur, Malaysia
- Department of Chemistry and Biology, Centre for Defence Foundation Studies, National Defence University of Malaysia, 57000, Kuala Lumpur, Malaysia
| | - Jahwarhar Izuan Abdul Rashid
- Department of Chemistry and Biology, Centre for Defence Foundation Studies, National Defence University of Malaysia, 57000, Kuala Lumpur, Malaysia
| | - Mohd Nor Faiz Norrrahim
- Research Center for Chemical Defence, Defence Research Institute, National Defence University of Malaysia, 57000, Kuala Lumpur, Malaysia
| | - Keat Khim Ong
- Department of Chemistry and Biology, Centre for Defence Foundation Studies, National Defence University of Malaysia, 57000, Kuala Lumpur, Malaysia
| | - Wan Md Zin Wan Yunus
- Department of Defence Science, Faculty of Defence Science and Technology, National Defence University of Malaysia, 57000, Kuala Lumpur, Malaysia
- Centre for Tropicalization, Defence Research Institute, National Defence University of Malaysia, 57000, Kuala Lumpur, Malaysia
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Montenegro-Silva P, Ellis T, Dourado F, Gama M, Domingues L. Enhanced bacterial cellulose production in Komagataeibacter sucrofermentans: impact of different PQQ-dependent dehydrogenase knockouts and ethanol supplementation. Biotechnol Biofuels Bioprod 2024; 17:35. [PMID: 38424558 PMCID: PMC10902950 DOI: 10.1186/s13068-024-02482-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 02/19/2024] [Indexed: 03/02/2024]
Abstract
BACKGROUND Bacterial cellulose (BC) is a biocompatible material with unique mechanical properties, thus holding a significant industrial potential. Despite many acetic acid bacteria (AAB) being BC overproducers, cost-effective production remains a challenge. The role of pyrroloquinoline quinone (PQQ)-dependent membrane dehydrogenases (mDH) is crucial in the metabolism of AAB since it links substrate incomplete oxidation in the periplasm to energy generation. Specifically, glucose oxidation to gluconic acid substantially lowers environmental pH and hinders BC production. Conversely, ethanol supplementation is known to enhance BC yields in Komagataeibacter spp. by promoting efficient glucose utilization. RESULTS K. sucrofermentans ATCC 700178 was engineered, knocking out the four PQQ-mDHs, to assess their impact on BC production. The strain KS003, lacking PQQ-dependent glucose dehydrogenase (PQQ-GDH), did not produce gluconic acid and exhibited a 5.77-fold increase in BC production with glucose as the sole carbon source, and a 2.26-fold increase under optimal ethanol supplementation conditions. In contrast, the strain KS004, deficient in the PQQ-dependent alcohol dehydrogenase (PQQ-ADH), showed no significant change in BC yield in the single carbon source experiment but showed a restrained benefit from ethanol supplementation. CONCLUSIONS The results underscore the critical influence of PQQ-GDH and PQQ-ADH and clarify the effect of ethanol supplementation on BC production in K. sucrofermentans ATCC 700178. This study provides a foundation for further metabolic pathway optimization, emphasizing the importance of diauxic ethanol metabolism for high BC production.
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Affiliation(s)
| | - Tom Ellis
- Centre for Synthetic Biology, Imperial College London, London, UK
- Department of Bioengineering, Imperial College London, London, UK
| | - Fernando Dourado
- CEB-Center of Biological Engineering, University of Minho, Braga, Portugal
- LABBELS-Associate Laboratory, Braga/Guimarães, Portugal
| | - Miguel Gama
- CEB-Center of Biological Engineering, University of Minho, Braga, Portugal
- LABBELS-Associate Laboratory, Braga/Guimarães, Portugal
| | - Lucília Domingues
- CEB-Center of Biological Engineering, University of Minho, Braga, Portugal.
- LABBELS-Associate Laboratory, Braga/Guimarães, Portugal.
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Li Z, Ai J, Wu D, Yu Y, Xie L, Ke H, Wang Q, Zhang K, Lv P, Wei Q. Robust integration of light-driven carbon quantum dots with bacterial cellulose enables excellent mechanical and antibacterial biodegradable yarn. Int J Biol Macromol 2024; 257:128741. [PMID: 38101674 DOI: 10.1016/j.ijbiomac.2023.128741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/29/2023] [Accepted: 12/09/2023] [Indexed: 12/17/2023]
Abstract
Due to the overuse of antimicrobial drugs, bacterial resistance became an urgent problem to be solved. In this study, carbon quantum dots (CQDs) with high photodynamic antibacterial activity were synthesized by a one-pot hydrothermal method and introduced into bacterial cellulose (BC) dispersion solution. Through a wet-spinning and wet-twisting processing strategy, bionic ordering nanocomposite macrofiber (BC/CQDs-based yarn) based on BC were obtained. The results showed that BC/CQDs-based yarn had excellent tensile strength (226.8 MPa) and elongation (22.2 %). Utilizing the light-driven generation of singlet oxygen (1O2) and hydroxyl radical (·OH), BC/CQDs-based yarn demonstrated remarkable antibacterial efficacy, with 99.9999 % (6 log, P < 0.0001) and 96.54 % (1.46 log, P < 0.0004) effectiveness against E. coli and S. aureus, respectively. At the same time, BC/CQDs-based yarn also displayed the characteristics of photothermal, fluorescent, and biodegradability. In summary, the application potential of BC/CQDs-based yarn is significant, opening up a new strategy for the development of sustainable green weaving and bio-based multi-function yarn.
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Affiliation(s)
- Zhuquan Li
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Jingwen Ai
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Dingsheng Wu
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Yajing Yu
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Lixi Xie
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Huizhen Ke
- Fujian Key Laboratory of Novel Functional Textile Fibers and Materials, Minjiang University, Fuzhou 350108, China
| | - Qingqing Wang
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Kai Zhang
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China.
| | - Pengfei Lv
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China; State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China.
| | - Qufu Wei
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China.
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Yang S, Ding Q, Li Y, Han W. Bacterial cellulose/gelatin-based pH-responsive functional film for food freshness monitoring. Int J Biol Macromol 2024; 259:129203. [PMID: 38184031 DOI: 10.1016/j.ijbiomac.2024.129203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 12/20/2023] [Accepted: 01/01/2024] [Indexed: 01/08/2024]
Abstract
Food safety is related to public health and environmental safety. Therefore, it is necessary to develop accurate and effective detection methods to assess food quality and safety. In this study, a pH-responsive functional film (BC/GA/FITC/PCA) was generated for the real-time and visual monitoring of shrimp freshness. Bacterial cellulose /Gelatin (BC/GA) was used as a film-forming matrix, and fluorescein isothiocyanate (FITC) and red cabbage (PCA) were used as the response signals. The addition of FITC and PCA increased the shading capacity (< 30 %) and antioxidant properties (22.8 %) of the films. WCA (82.73 ± 0.95°), WVP (1.48 × 10-11 g·cm/cm2·s·Pa) and OTR (2.42 × 10-15 cm3·cm/cm2·s·Pa) indicated that the film possessed water resistance and oxygen barrier properties. When exposed to daylight, the film underwent a color transition from purple to green as the ammonia concentration increased. In addition, the blue-green fluorescence of the films gradually increased and the detection limit was low (170 ppb). In particular, the change in film color caused by shrimp spoilage corresponded to the TVBN value. This study work provides a new strategy for controlling and monitoring food safety and has a wide range of applications in the fields of food-active packaging and smart packaging.
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Affiliation(s)
- Shuo Yang
- Key Lab of Paper Science and Technology of Ministry of Education, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
| | - Qijun Ding
- Key Lab of Paper Science and Technology of Ministry of Education, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China.
| | - You Li
- Key Lab of Paper Science and Technology of Ministry of Education, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
| | - Wenjia Han
- Key Lab of Paper Science and Technology of Ministry of Education, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
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Sun M, Li D, Xi Y, Qin X, Liao Y, Liu X, Jia S, Xie Y, Zhong C. NIR-triggered bacterial cellulose-based wound dressings for multiple synergistic therapy of infected wound. Int J Biol Macromol 2024; 259:129033. [PMID: 38176505 DOI: 10.1016/j.ijbiomac.2023.129033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 12/19/2023] [Accepted: 12/22/2023] [Indexed: 01/06/2024]
Abstract
Skin wounds are repaired by a complex series of events and overlapping phases in which bacterial infection and insufficient angiogenesis at the wound site delay the healing process. Thus, functional wound dressings with enhanced antibacterial activity and angiogenic capacity have attracted attention. Herein, bacterial cellulose (BC)-based dressings were successfully fabricated by functionalization with a polydopamine (PDA) coating and copper sulfide nanoparticles (CuS NPs). Under 808 nm laser illumination, the BC/PDA/CuS composite membranes exhibited outstanding adjustable photothermal and photodynamic activities as well as controlled Cu2+ release, endowing the composite membranes with synergetic antibacterial activity. Specially, a bactericidal efficiency of 99.7 % and 88.0 % for Staphylococcus aureus and Escherichia coli was achieved after treatment with BC/PDA/CuS5 sample under NIR irradiation (0.8 W/cm2, 10 min), respectively. Moreover, the BC/PDA/CuS5 composite membrane could enhance the angiogenesis due to the released Cu2+. In vivo experiments revealed that the BC/PDA/CuS5 composite membrane dressing could accelerate the wound closure process of the full-thickness skin defects with S. aureus by synergistically reducing inflammation, enhancing collagen deposition, and promoting vascularization under NIR irradiation. Additionally, the BC/PDA/CuS5 composite membrane exhibited high biocompatibility and biosafety. This work offers a new strategy to prepare multifunctional BC-based dressing for clinical wound healing.
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Affiliation(s)
- Meiyan Sun
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China
| | - Dongmei Li
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China
| | - Yan Xi
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China
| | - Xiaotong Qin
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China
| | - Yuting Liao
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China
| | - Xiaozhi Liu
- Tianjin Key Laboratory of Epigenetics for Organ Development in Preterm Infants, Tianjin, PR China
| | - Shiru Jia
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China
| | - Yanyan Xie
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China.
| | - Cheng Zhong
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science and Technology, Tianjin, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, Tianjin, PR China.
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Pedrosa MFF. An overview of bio-cellulose derived materials for catalytic water treatment. Int J Biol Macromol 2024; 258:128789. [PMID: 38096936 DOI: 10.1016/j.ijbiomac.2023.128789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 12/04/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023]
Abstract
Bio-cellulose derived materials (BCM) exhibit distinct structural and morphologic properties, which make them suitable for catalytic environmental remediation. In the domain of water treatment, the prospects for BCM remain bright, offering new possibilities for the development of advanced materials with low environmental impact. Research on BCM as catalysts or catalyst immobilization platforms for water treatment is still limited, mostly using laboratory-grown biomaterials for the photocatalytic degradation of dyes. BCM production costs can be significant, which can hinder its application. Thus, cost-effective alternatives using waste materials as substrates for BCM culture media are highly desirable to optimize production, while also decreasing food waste. Moreover, advances in biotechnology can enhance BCM production, tailoring its properties to meet specific requirements. Hybrid catalytic BCM composites can be easily developed, due to the straightforward functionalization of the biomaterial's network, promoting the efficiency of a variety of catalytic systems. Still considering the intrinsic features of the biomaterial, membrane development and application pose as an opportunity for continuous flow evaluations, facilitating long-term usage and reusability. Nevertheless, there are still challenges regarding catalytic BCM for water treatment (i.e., cost-effectiveness, scaling up, and consistent performance in diverse treatment scenarios). Addressing these aspects can lead to innovative environmental remediation options.
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Affiliation(s)
- Marta F F Pedrosa
- LSRE-LCM - Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal.
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Huang YC, Khumsupan D, Lin SP, Santoso SP, Hsu HY, Cheng KC. Production of bacterial cellulose (BC)/nisin composite with enhanced antibacterial and mechanical properties through co-cultivation of Komagataeibacter xylinum and Lactococcus lactis subsp. lactis. Int J Biol Macromol 2024; 258:128977. [PMID: 38154722 DOI: 10.1016/j.ijbiomac.2023.128977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 12/08/2023] [Accepted: 12/20/2023] [Indexed: 12/30/2023]
Abstract
By employing co-cultivation technique on Komagataeibacter xylinum and Lactococcus lactis subsp. lactis, bacterial cellulose (BC)/nisin films with improved antibacterial activity and mechanical properties were successfully produced. The findings demonstrated that increased nisin production is associated with an upregulation of gene expression. Furthermore, results from Scanning electronic microscopy (SEM), Fourier transform infrared (FTIR), X-ray diffraction (XRD), and Thermogravimetric analysis (TG) confirmed the integration of nisin within BC. While being biocompatible with human cells, the BC/nisin composites exhibited antimicrobial activity. Moreover, mechanical property analyses showed a noticeable improvement in Young's modulus, tensile strength, and elongation at break by 161, 271, and 195 %, respectively. Additionally, the nisin content in fermentation broth was improved by 170 % after co-culture, accompanied by an 8 % increase in pH as well as 10 % decrease in lactate concentration. Real-time reverse transcription PCR analysis revealed an upregulation of 11 nisin-related genes after co-cultivation, with the highest increase in nisA (5.76-fold). To our knowledge, this is the first study which demonstrates that an increase in secondary metabolites after co-culturing is modulated by gene expression. This research offers a cost-effective approach for BC composite production and presents a technique to enhance metabolite concentration through the regulation of relevant genes.
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Affiliation(s)
- Yi-Cheng Huang
- Institute of Biotechnology, College of Bioresources and Agriculture, National Taiwan University, Taipei, Taiwan
| | - Darin Khumsupan
- Institute of Biotechnology, College of Bioresources and Agriculture, National Taiwan University, Taipei, Taiwan
| | - Shin-Ping Lin
- School of Food Safety, Taipei Medical University, Taipei City 110, Taiwan
| | - Shella Permatasari Santoso
- Department of Chemical Engineering, Widya Mandala Surabaya Catholic University, Kalijudan 37, Surabaya 60114, Indonesia; Collaborative Research Center for Sustainable and Zero Waste Industries, Kalijudan 37, Surabaya 60114, East Java, Indonesia
| | - Hsien-Yi Hsu
- Department of Materials Science and Engineering, School of Energy and Environment, City University of Hong Kong, 999077, Hong Kong; Shenzhen Research Institute, City University of Hong Kong, Shenzhen 518057, China
| | - Kuan-Chen Cheng
- Institute of Biotechnology, College of Bioresources and Agriculture, National Taiwan University, Taipei, Taiwan; Institute of Food Science and Technology, College of Bioresources and Agriculture, National Taiwan University, Taipei, Taiwan; Department of Optometry, Asia University, 500, Lioufeng Rd., Wufeng, Taichung, Taiwan 41354; Department of Medical Research, China Medical University Hospital, China Medical University, 91, Hsueh-Shih Road, Taichung 40402, Taiwan.
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42
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Liu Z, Wang Y, Guo S, Liu J, Zhu P. Preparation and characterization of bacterial cellulose synthesized by kombucha from vinegar residue. Int J Biol Macromol 2024; 258:128939. [PMID: 38143062 DOI: 10.1016/j.ijbiomac.2023.128939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 12/06/2023] [Accepted: 12/19/2023] [Indexed: 12/26/2023]
Abstract
Bacterial cellulose (BC) has been widely applied in various fields due to its excellent physicochemical properties, but its high production cost remains a challenge. Herein, the present study aimed to utilize the hydrolysate of vinegar residue (VR) as the only medium to realize the cost-effective production of BC. The BC production was optimized by the single-factor test. The treatment of 6 % VR concentration with 3 % acid concentration at 100 °C for 1.5 h and 96 U/mL of cellulase for 4 h at 50 °C obtained a maximum reducing sugar concentration of about 32 g/L. Additionally, the VR hydrolysate treated with 3 % active carbon (AC) at 40 °C for 0.5 h achieved a total phenol removal ratio of 86 %. The yield of BC reached 2.1 g/L under the optimum conditions, which was twice compared to the standard medium. The produced BC was characterized by SEM, FT-IR, XRD, and TGA analyses, and the results indicated that the BC prepared by AC-treated VR hydrolysate had higher fiber density, higher crystallinity, and good thermal stability. Furthermore, the regenerated BC (RBC) fibers with a tensile stress of 400 MPa were prepared successfully using AmimCl solution as a solvent by dry-wet-spinning method. Overall, the VR waste could be used as an alternative carbon source for the sustainable production of BC, which could be further applied to RBC fibers preparation.
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Affiliation(s)
- Zhanna Liu
- College of Textiles and Clothing, Institute of Functional Textiles and Advanced Materials, State Key Laboratory of Bio-Fibers and Eco-textiles, Qingdao University, Qingdao, Shandong 266071, China; Zibo Key Laboratory of Bio-based Textile Materials, Shandong Vocational College of Light Industry, Zibo, Shandong 255300, China
| | - Yingying Wang
- Zibo Key Laboratory of Bio-based Textile Materials, Shandong Vocational College of Light Industry, Zibo, Shandong 255300, China
| | - Shengnan Guo
- College of Textiles and Clothing, Institute of Functional Textiles and Advanced Materials, State Key Laboratory of Bio-Fibers and Eco-textiles, Qingdao University, Qingdao, Shandong 266071, China
| | - Jie Liu
- College of Textiles and Clothing, Institute of Functional Textiles and Advanced Materials, State Key Laboratory of Bio-Fibers and Eco-textiles, Qingdao University, Qingdao, Shandong 266071, China; Haima Carpet Group Co., Ltd, Weihai, Shandong 264200, China.
| | - Ping Zhu
- College of Textiles and Clothing, Institute of Functional Textiles and Advanced Materials, State Key Laboratory of Bio-Fibers and Eco-textiles, Qingdao University, Qingdao, Shandong 266071, China.
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43
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Feng Z, Wang S, Huang W, Bai W. A potential bilayer skin substitute based on electrospun silk-elastin-like protein nanofiber membrane covered with bacterial cellulose. Colloids Surf B Biointerfaces 2024; 234:113677. [PMID: 38043505 DOI: 10.1016/j.colsurfb.2023.113677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/15/2023] [Accepted: 11/25/2023] [Indexed: 12/05/2023]
Abstract
Skin substitutes are designed to promote wound healing by replacing extracellular matrix. Silk-elastin-like protein is a renewable extracellular matrix-like material that integrated the advantages of silk and elastin-like protein. In this study, electrospun silk-elastin-like protein (SELP) nanofiber membrane covered with bacterial cellulose (BC) was created as a potential skin substitute to mimic gradient structure of epidermis and dermis of skin. The two layers were glued together using adhesive SELP containing 3,4-dihydroxyphenylalanine (DOPA) converted from tyrosine by tyrosinase. Skin topical drugs commonly used in clinical practice can penetrate through the SELP/BC barrier, and the rate of penetration is proportional to drug concentration. BC with dense fibrous structure can act as a barrier to preserve the inner SELP layer and prevent bacterial invasion, with a blocking permeation efficiency over 99% against four species of bacteria. Cell experiments demonstrated that the reticular fibers of SELP could provide an appropriate growth environment for skin cells proliferation and adhesion, which is considered to promote tissue repair and regeneration. The promising results support this strategy to fabricate a silk-elastin-like protein-based biomaterial for skin substitutes in the clinical treatment of full skin injuries and ulcers.
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Affiliation(s)
- Zhaoxuan Feng
- Key Laboratory of Engineering Biology for Low-Carbon Manufacturing, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, China
| | - Sijia Wang
- Key Laboratory of Engineering Biology for Low-Carbon Manufacturing, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, China
| | - Wenxin Huang
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Wenqin Bai
- Key Laboratory of Engineering Biology for Low-Carbon Manufacturing, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, China.
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Qian X, Xu Y, Xu Y. Bacterial cellulose based TiO 2-CdS nanocomposite gel with enhanced photocatalytic activity for adsorptive degradation of cationic dye. Int J Biol Macromol 2024; 259:127873. [PMID: 37926309 DOI: 10.1016/j.ijbiomac.2023.127873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 09/07/2023] [Accepted: 11/01/2023] [Indexed: 11/07/2023]
Abstract
Dye released by industrial is one of the main known pollutants in wastewater, which is harmfully affected to the human health. Adsorptive method by absorbents and photocatalytic degradation technique are advanced technologies to remove dyes from wastewater. However, the single technique mentioned above has imperfections limiting its application. Herein, in order to integrate the two techniques and take both advantages, bacterial cellulose (BC) based titanium dioxide (TiO2)‑cadmium sulfide (CdS) nanocomposite gel was prepared by microwave-assisted solvothermal synthesis. The BC@TiO2-CdS nanocomposite gel was characterized by SEM, EDS, XRD, XPS, Raman spectral and TG, its photocatalytic mechanism was proved by PL. The results showed the TiO2-CdS nanophotocatalyst exhibited binary hierarchical structure and followed the Z-scheme type photocatalytic system. The Z-scheme heterojunction is advantageous for photo-generated charge separation and migration. The photocatalytic performance of BC@TiO2-CdS nanocomposite gel was evaluated by MB degradation under visible light irradiation. Due to synergistic effect of BC matrix and TiO2-CdS, the as-prepared BC@TiO2-CdS nanocomposite gel possesses enhanced photocatalytic activity with 94.47 % removal of methylene blue (MB) after 180 min visible light irradiation. Therefore, this work provides a facile route to fabricate bio-mass based efficient nanophotocatalytic material for pretreating the water pollution.
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Affiliation(s)
- Xin Qian
- Shaanxi University of Science and Technology, Xi'an 710021, Shaanxi, China; National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, China; Shaanxi Provincal Key Laboratory of Papermaking Technology and Specialty Paper Development, China.
| | - Yongjian Xu
- Shaanxi University of Science and Technology, Xi'an 710021, Shaanxi, China; Shaanxi Provincal Key Laboratory of Papermaking Technology and Specialty Paper Development, China; Key Laboratory of Paper Based Functional Materials, China National Light Industry, China.
| | - Yang Xu
- Shaanxi University of Science and Technology, Xi'an 710021, Shaanxi, China; National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, China
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Wu Y, Liu YL, Jia HP, Chen KH, Wu FF, Gao J, Hu Y, Chen Y, Huang C. Effect of in-situ biochemical modification on the synthesis, structure, and function of xanthan gum based bacterial cellulose generated from Tieguanyin oolong tea residue hydrolysate. Food Chem 2024; 432:137133. [PMID: 37633139 DOI: 10.1016/j.foodchem.2023.137133] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 08/02/2023] [Accepted: 08/08/2023] [Indexed: 08/28/2023]
Abstract
The effect of in-situ biochemical modification on the synthesis, structure, and function of xanthan gum based bacterial cellulose generated from Tieguanyin oolong tea residue hydrolysate was evaluated for the first time. This modification could overcome the inhibitory effect of the hydrolysate and the bacterial cellulose yield with 0.6% xanthan gum addition increased by 260.8% compared with that without xanthan gum addition. Bacterial cellulose and xanthan gum were combined by the in-situ modification and the alteration of fermentation medium rheological properties by xanthan gum addition might be beneficial for their combination. The average diameter of the bacterial cellulose microfibrils was increased by the modification, and it had a great influence on the crystalline structure of the bacterial cellulose. Additionally, both the water absorption and texture properties of the bacterial cellulose was strengthened by the modification. Overall, this modification showed great potential for efficient and effective xanthan gum based bacterial cellulose production.
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Affiliation(s)
- Yi Wu
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan 528458, People's Republic of China
| | - Yang-Ling Liu
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan 528458, People's Republic of China
| | - Huai-Peng Jia
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan 528458, People's Republic of China
| | - Kang-Hui Chen
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan 528458, People's Republic of China
| | - Fang-Fang Wu
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan 528458, People's Republic of China; GDPU-HKU Zhongshan Biomedical Innovation Platform, Zhongshan 528437, People's Republic of China
| | - Jing Gao
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan 528458, People's Republic of China; GDPU-HKU Zhongshan Biomedical Innovation Platform, Zhongshan 528437, People's Republic of China
| | - Yong Hu
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan 528458, People's Republic of China; GDPU-HKU Zhongshan Biomedical Innovation Platform, Zhongshan 528437, People's Republic of China
| | - Yun Chen
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan 528458, People's Republic of China; GDPU-HKU Zhongshan Biomedical Innovation Platform, Zhongshan 528437, People's Republic of China.
| | - Chao Huang
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan 528458, People's Republic of China; GDPU-HKU Zhongshan Biomedical Innovation Platform, Zhongshan 528437, People's Republic of China.
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Wang F, Qu T, Yang H, Yang H, Ou Y, Zhang Q, Cheng F, Hu F, Liu H, Xu Z, Gong C. Fabrication of Dual-Functional Bacterial-Cellulose-Based Composite Anion Exchange Membranes with High Dimensional Stability and Ionic Conductivity. ACS Appl Mater Interfaces 2024; 16:2751-2762. [PMID: 38178809 DOI: 10.1021/acsami.3c15643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
Anion exchange membranes (AEMs) are increasingly becoming a popular research area due to their ability to function with nonprecious metals in electrochemical devices. Nevertheless, there is a challenge to simultaneously optimize the dimensional stability and ionic conductivity of AEMs due to the "trade-off" effect. Herein, we adopted a novel strategy of combining filling and cross-linking using functionalized bacterial cellulose (PBC) as a dual-functional porous support and brominated poly(phenylene oxide) (Br-PPO) as the cross-linking agent and filler. The PBC nanofiber framework together with cross-linking can provide a reliable mechanical support for the subsequent filled polymer, thus improving the mechanical properties and effectively limiting the size change of the final quaternized-PPO (QPPO)-filled PBC composite membrane. The composite membrane showed a very low swelling ratio of only 10.35%, even at a high water uptake (81.83% at 20 °C). Moreover, the existence of multiple -NR3+ groups in the cross-link bonds between BC and Br-PPO can provide extra OH- ion transport sites, contributing to the increase in ionic conductivity. The final membrane demonstrated a hydroxide ion conductivity of 62.58 mS cm-1, which was remarkably higher than that of the pure QPPO membrane by up to 235.93% (80 °C). The successful preparation of the PBC3/QPPO membrane provides an effective avenue to tackle the trade-off effect through a dual-functional strategy.
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Affiliation(s)
- Fei Wang
- Hubei Engineering & Technology Research Center for Functional Materials from Biomass, School of Chemistry and Material Science, Hubei Engineering University, Xiaogan, Hubei 432000, China
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, China
| | - Ting Qu
- Hubei Engineering & Technology Research Center for Functional Materials from Biomass, School of Chemistry and Material Science, Hubei Engineering University, Xiaogan, Hubei 432000, China
| | - Huiyu Yang
- Hubei Engineering & Technology Research Center for Functional Materials from Biomass, School of Chemistry and Material Science, Hubei Engineering University, Xiaogan, Hubei 432000, China
| | - Haiyang Yang
- Hubei Engineering & Technology Research Center for Functional Materials from Biomass, School of Chemistry and Material Science, Hubei Engineering University, Xiaogan, Hubei 432000, China
| | - Ying Ou
- Hubei Engineering & Technology Research Center for Functional Materials from Biomass, School of Chemistry and Material Science, Hubei Engineering University, Xiaogan, Hubei 432000, China
| | - Quanyuan Zhang
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, China
| | - Fan Cheng
- Hubei Engineering & Technology Research Center for Functional Materials from Biomass, School of Chemistry and Material Science, Hubei Engineering University, Xiaogan, Hubei 432000, China
| | - Fuqiang Hu
- Hubei Engineering & Technology Research Center for Functional Materials from Biomass, School of Chemistry and Material Science, Hubei Engineering University, Xiaogan, Hubei 432000, China
| | - Hai Liu
- Hubei Engineering & Technology Research Center for Functional Materials from Biomass, School of Chemistry and Material Science, Hubei Engineering University, Xiaogan, Hubei 432000, China
| | - Zushun Xu
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, China
| | - Chunli Gong
- Hubei Engineering & Technology Research Center for Functional Materials from Biomass, School of Chemistry and Material Science, Hubei Engineering University, Xiaogan, Hubei 432000, China
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Zheng W, Fan L, Meng Z, Zhou J, Ye D, Xu W, Xu J. Flexible quasi-solid-state supercapacitors for anti-freezing power sources based on polypyrrole@cation-grafted bacterial cellulose. Carbohydr Polym 2024; 324:121502. [PMID: 37985090 DOI: 10.1016/j.carbpol.2023.121502] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/30/2023] [Accepted: 10/14/2023] [Indexed: 11/22/2023]
Abstract
Polypyrrole (PPy)/cellulose nanofiber (CNF) composites have been widely used in flexible energy storage devices because of their lightweight, inherent mechanical flexibility and large specific surface area. However, it is still a challenge to obtain PPy/CNF composite electrodes with high cycling stability. Herein, an electrostatic self-assembly strategy was adopted to deposit anion-doped PPy onto cationic poly(methacryloxyethyltrimethyl ammonium chloride)-grafted bacterial cellulose (BCD) nanofibers. The optimized PPy@BCD electrode demonstrated a high areal capacitance of 6208 mF cm-2 at a current density of 0.5 mA cm-2 and superior cycling stability (a capacitance retention of 100 % after 10,000 charge-discharge cycles at 10 mA cm-2). A quasi-solid-state anti-freezing flexible supercapacitor (AF-FSC) was designed by employing polyacrylamide organohydrogel electrolyte, yielding an areal capacitance of 2930.6 mF cm-2 at 1 mA cm-2 and a capacitance retention of 92.2 % after 1000 cycles at -20 °C. The present AF-FSC is expected to serve as a power source in real-life low-temperature applications.
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Affiliation(s)
- Wenfeng Zheng
- State Key Lab for Hubei New Textile Materials and Advanced Processing Technology, College of Materials Science & Engineering, College of Textile Science & Engineering, Wuhan Textile University, 430200 Wuhan, China
| | - Lingling Fan
- State Key Lab for Hubei New Textile Materials and Advanced Processing Technology, College of Materials Science & Engineering, College of Textile Science & Engineering, Wuhan Textile University, 430200 Wuhan, China
| | - Zhenghua Meng
- Hubei Key Laboratory of Advanced Technology for Automotive Components, Hubei Collaborative Innovation Center for Automotive Components Technology, Wuhan University of Technology, 430070 Wuhan, China
| | - Jiangang Zhou
- State Key Lab for Hubei New Textile Materials and Advanced Processing Technology, College of Materials Science & Engineering, College of Textile Science & Engineering, Wuhan Textile University, 430200 Wuhan, China
| | - Dezhan Ye
- State Key Lab for Hubei New Textile Materials and Advanced Processing Technology, College of Materials Science & Engineering, College of Textile Science & Engineering, Wuhan Textile University, 430200 Wuhan, China.
| | - Weilin Xu
- State Key Lab for Hubei New Textile Materials and Advanced Processing Technology, College of Materials Science & Engineering, College of Textile Science & Engineering, Wuhan Textile University, 430200 Wuhan, China
| | - Jie Xu
- State Key Lab for Hubei New Textile Materials and Advanced Processing Technology, College of Materials Science & Engineering, College of Textile Science & Engineering, Wuhan Textile University, 430200 Wuhan, China.
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48
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Suneetha M, Kim H, Han SS. Bone-like apatite formation in biocompatible phosphate-crosslinked bacterial cellulose-based hydrogels for bone tissue engineering applications. Int J Biol Macromol 2024; 256:128364. [PMID: 38000603 DOI: 10.1016/j.ijbiomac.2023.128364] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 11/14/2023] [Accepted: 11/21/2023] [Indexed: 11/26/2023]
Abstract
Addressing major bone injuries is a challenge in bone regeneration, necessitating innovative 3D hydrogel-based therapeutic approaches to enhance scaffold properties for better bioactivity. Bacterial cellulose (BC) is an excellent scaffold for bone tissue engineering due to its biocompatibility, high porosity, substantial surface area, and remarkable mechanical strength. However, its practical application is limited due to a lack of inherent osteogenic activity and biomineralization ability. In this study, we synthesized bone-like apatite in biocompatible BC hydrogel by introducing phosphate groups. Hydrogels were prepared using fibrous BC, acrylamide (AM), and bis [2-methacryloyloxy] ethyl phosphate (BMEP) as a crosslinker through free radical polymerization (P-BC-PAM). P-BC-PAM hydrogels exhibited outstanding compressive mechanical properties, highly interconnected porous structures, good swelling, and biodegradable properties. BMEP content significantly influenced the physicochemical and biological properties of the hydrogels. Increasing BMEP content enhanced the fibrous structure, porosity from 85.1 % to 89.5 %, and compressive mechanical strength. The optimized hydrogel (2.0P-BC-PAM) displayed maximum compressive stress, toughness, and elastic modulus at 75 % strain: 221 ± 0.08 kPa, 24,674.2 ± 978 kPa, and 11 ± 0.47 kPa, respectively. P-BC-PAM hydrogels underwent biomineralization in simulated body fluid (SBF) for 14 days, forming bone-like apatite with a Ca/P ratio of 1.75, similar to hydroxyapatite. Confirmed by Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and field-emission scanning electron microscopy (FE-SEM), this suggests their potential as scaffolds for bone tissue engineering. MC3T3-E1 osteoblast cells effectively attached and proliferated on P-BC-PAM. In summary, this study contributes insights into developing phosphate-functionalized BC-based hydrogels with potential applications in bone tissue engineering.
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Affiliation(s)
- Maduru Suneetha
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea.
| | - Hyeonjin Kim
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea; Research Institute of Cell Culture, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea.
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49
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Rzhepakovsky I, Piskov S, Avanesyan S, Sizonenko M, Timchenko L, Anfinogenova O, Nagdalian A, Blinov A, Denisova E, Kochergin S, Kubanov S, Shakhbanov M, Shariati MA, Mubarak MS. Composite of bacterial cellulose and gelatin: A versatile biocompatible scaffold for tissue engineering. Int J Biol Macromol 2024; 256:128369. [PMID: 38000592 DOI: 10.1016/j.ijbiomac.2023.128369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 11/26/2023]
Abstract
Synthesis of 0.4 ± 0.03 g/L per day of pure and porous bacterial cellulose (BC) scaffolds (scaffBC) and BC scaffolds modified with gelatin (scaffBC/Gel) was carried out using the Medusomyces gisevii Sa-28 bacterial strain. FT-IR spectroscopy and X-ray diffraction analysis showed that the scaffolds largely consist of crystalline cellulose I (Iα, Iß). Heating of BC with gelatin to 60 °C with subsequent lyophilization led to its modification by adsorption and binding of low-molecular fractions of gelatin and the formation of small pores between the fibers, which increased the biocompatibility and solubility of BC. The solubility of scaffBC and scaffBC/Gel was 20.8 % and 44.4 %, respectively, which enhances degradation in vivo. Light microscopy, scanning electron microscopy, and microcomputed tomography showed a uniform distribution of pores with a diameter of 100-500 μm. The chicken chorioallantoic membrane (CAM) model and subcutaneous implantation in rats confirmed low immunogenicity and intense formation of collagen fibers in both scaffolds and active germination of new blood vessels in scaffBC and scaffBC/Gel. The proliferative cellular activity of fibroblasts confirmed the safety of scaffolds. Taken together, the results obtained show that scaffBC/Gel can be used for the engineering of hard and soft tissues, which opens opportunities for further research.
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Affiliation(s)
- Igor Rzhepakovsky
- Faculty of Medicine and Biology, North-Caucasus Federal University, Pushkina Street 1, 355000 Stavropol, Russia.
| | - Sergey Piskov
- Faculty of Medicine and Biology, North-Caucasus Federal University, Pushkina Street 1, 355000 Stavropol, Russia.
| | - Svetlana Avanesyan
- Faculty of Medicine and Biology, North-Caucasus Federal University, Pushkina Street 1, 355000 Stavropol, Russia.
| | - Marina Sizonenko
- Faculty of Medicine and Biology, North-Caucasus Federal University, Pushkina Street 1, 355000 Stavropol, Russia.
| | - Lyudmila Timchenko
- Faculty of Medicine and Biology, North-Caucasus Federal University, Pushkina Street 1, 355000 Stavropol, Russia.
| | - Oxana Anfinogenova
- Faculty of Medicine and Biology, North-Caucasus Federal University, Pushkina Street 1, 355000 Stavropol, Russia.
| | - Andrey Nagdalian
- Faculty of Medicine and Biology, North-Caucasus Federal University, Pushkina Street 1, 355000 Stavropol, Russia.
| | - Andrey Blinov
- Faculty of Medicine and Biology, North-Caucasus Federal University, Pushkina Street 1, 355000 Stavropol, Russia.
| | - Evgeniya Denisova
- Faculty of Medicine and Biology, North-Caucasus Federal University, Pushkina Street 1, 355000 Stavropol, Russia.
| | - Stanislav Kochergin
- Faculty of Medicine and Biology, North-Caucasus Federal University, Pushkina Street 1, 355000 Stavropol, Russia.
| | - Sergey Kubanov
- Faculty of Medicine and Biology, North-Caucasus Federal University, Pushkina Street 1, 355000 Stavropol, Russia.
| | - Magomed Shakhbanov
- Faculty of Medicine and Biology, North-Caucasus Federal University, Pushkina Street 1, 355000 Stavropol, Russia.
| | - Mohammad Ali Shariati
- Kazakh Research Institute of Processing and Food Industry, Semey Branch of the Institute, 238 "G" Gagarin Ave., Almaty 050060, Republic of Kazakhstan.
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Ye J, Li J, Wang X, Wang Q, Wang S, Wang H, Zhu H, Xu J. Preparation of bacterial cellulose-based antibacterial membranes with prolonged release of drugs: Emphasis on the chemical structure of drugs. Carbohydr Polym 2024; 323:121379. [PMID: 37940275 DOI: 10.1016/j.carbpol.2023.121379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 09/04/2023] [Accepted: 09/09/2023] [Indexed: 11/10/2023]
Abstract
Bacterial cellulose (BC) based antibacterial membranes were synthesized, including BC-cefoperazone (BC-CEF) and BC-cefoperazone sodium (BC-CEF/Na). To examine the various drug loading processes, the structure, morphology, and physical-chemical characteristics of membranes were evaluated. Results demonstrated that both types of medicines were successfully absorbed into membranes, and membranes displayed identical morphology and FT-IR peaks. BC-CEF showed lower crystalline of XRD, which was likely caused by the combination of carboxyl and hydroxyl. However, there were no drug peaks seen in the membranes, indicating no alteration of ribbon crystallization of BC. Two types of antibacterial membranes have significantly distinct drug-loading traits and drug-releasing profiles. The drug loading rate of CEF (46.4 mg/g) was significantly greater than CEF/Na (30.3 mg/g). The cumulative drug-releasing profiles showed that only BC-CEF continues to release drugs for a lengthy period up to 48 h and exhibited good antimicrobial activity against S. aureus and E. coli until 48 h. The cytotoxicity assay demonstrated the great biocompatibility of all membranes. Findings indicated that BC-CEF has the potential use as a prolonged biocide in the biomedical. The idea that BC membranes can naturally incorporate the carboxyl groups from antibiotics is also innovative and can be useful in developing of drug delivery systems.
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Affiliation(s)
- Jianbin Ye
- Fujian Medical University, School of Pharmacy, Fuzhou City, Fujian Province 350004, China; Putian University, School of Basic Medicine Science, Key Laboratory of Translational Tumor Medicine in Fujian Province, Putian City, Fujian Province 351100, China
| | - Jianqing Li
- Fujian Medical University, School of Pharmacy, Fuzhou City, Fujian Province 350004, China; Putian University, School of Basic Medicine Science, Key Laboratory of Translational Tumor Medicine in Fujian Province, Putian City, Fujian Province 351100, China
| | - Xiangjiang Wang
- Putian University, School of Basic Medicine Science, Key Laboratory of Translational Tumor Medicine in Fujian Province, Putian City, Fujian Province 351100, China
| | - Qiuhui Wang
- Fujian Medical University, School of Pharmacy, Fuzhou City, Fujian Province 350004, China; Putian University, School of Basic Medicine Science, Key Laboratory of Translational Tumor Medicine in Fujian Province, Putian City, Fujian Province 351100, China
| | - Shouan Wang
- Putian University, School of Basic Medicine Science, Key Laboratory of Translational Tumor Medicine in Fujian Province, Putian City, Fujian Province 351100, China
| | - Honglin Wang
- Department of Orthopedic Surgery, Dazu Hospital of Chongqing Medical University, Chongqing 402360, China.
| | - Hu Zhu
- Fujian-Taiwan Science and Technology Cooperation Base of Biomedical Materials and Tissue Engineering, Engineering Research Center of Industrial Biocatalysis, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China.
| | - Jia Xu
- Putian University, School of Basic Medicine Science, Key Laboratory of Translational Tumor Medicine in Fujian Province, Putian City, Fujian Province 351100, China.
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