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Yu C, Han Z, Sun H, Tong J, Hu Z, Wang Y, Fang X, Yue W, Qian S, Nie G. Balancing mechanical property and swelling behavior of bacterial cellulose film by in-situ adding chitosan oligosaccharide and covalent crosslinking with γ-PGA. Int J Biol Macromol 2024; 267:131280. [PMID: 38640644 DOI: 10.1016/j.ijbiomac.2024.131280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 03/23/2024] [Accepted: 03/29/2024] [Indexed: 04/21/2024]
Abstract
Bacterial cellulose (BC) is an ideal candidate material for drug delivery, but the disbalance between the swelling behavior and mechanical properties limits its application. In this work, covalent crosslinking of γ-polyglutamic acid (γ-PGA) with the chitosan oligosaccharide (COS) embedded in BC was designed to remove the limitation. As a result, the dosage, time, and batch of COS addition significantly affected the mechanical properties and the yield of bacterial cellulose complex film (BCCF). The addition of 2.25 % COS at the incubation time of 0.5, 1.5, and 2 d increased the Young's modulus and the yield by 5.65 and 1.42 times, respectively, but decreased the swelling behavior to 1774 %, 46 % of that of native BC. Covalent γ-PGA transformed the dendritic structure of BCCF into a spider network, decreasing the porosity and increasing the swelling behavior by 3.46 times. The strategy balanced the swelling behavior and mechanical properties through tunning hydrogen bond, electrostatic interaction, and amido bond. The modified BCCF exhibited a desired behavior of benzalkonium chlorides transport, competent for drug delivery. Thereby, the strategy will be a competent candidate to modify BC for such potential applications as wound dressing, artificial skin, scar-inhibiting patch, and so on.
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Affiliation(s)
- Chenrui Yu
- College of Biological and Food Engineering, Anhui Polytechnic University, 241000 Wuhu, China; College of Biological Science and Medical Engineering, Donghua University, 201620, Shanghai, China
| | - Zhenxing Han
- College of Biological and Food Engineering, Anhui Polytechnic University, 241000 Wuhu, China
| | - Hongxia Sun
- College of Chemistry and Materials Science, Anhui Normal University, 241002 Wuhu, China.
| | - Jie Tong
- College of Biological and Food Engineering, Anhui Polytechnic University, 241000 Wuhu, China
| | - Ziwei Hu
- College of Biological and Food Engineering, Anhui Polytechnic University, 241000 Wuhu, China
| | - Yu Wang
- College of Biological and Food Engineering, Anhui Polytechnic University, 241000 Wuhu, China
| | - Xu Fang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong 266237, China.
| | - Wenjin Yue
- School of Chemical and Environmental Engineering, Anhui Polytechnic University, 241000 Wuhu, China.
| | - Senhe Qian
- College of Biological and Food Engineering, Anhui Polytechnic University, 241000 Wuhu, China.
| | - Guangjun Nie
- College of Biological and Food Engineering, Anhui Polytechnic University, 241000 Wuhu, China.
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2
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Li Z, Li X, Yang Y, Li Q, Gong J, Liu X, Liu B, Zheng G, Zhang S. Novel multifunctional environmentally friendly degradable zeolitic imidazolate frameworks@poly (γ-glutamic acid) hydrogel with efficient dye adsorption function. Int J Biol Macromol 2024; 261:129929. [PMID: 38311139 DOI: 10.1016/j.ijbiomac.2024.129929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 01/27/2024] [Accepted: 01/31/2024] [Indexed: 02/10/2024]
Abstract
Recently, metal-organic frameworks (MOFs) have been widely developed due to the rich porosity, excellent framework structure and multifunctional nature. Meanwhile, a series of MOFs crystals and MOF-based composites have been emerged. However, the widespread applications of MOFs are hindered by challenges such as rigidity, fragility, solution instability, and processing difficulties. In this study, we addressed these limitations by employing an in-situ green growth approach to prepare a zeolitic imidazolate frameworks-8@poly (γ-glutamic acid) hydrogel (ZIF-8@γ-PGA) with hierarchical structures. This innovative method effectively resolves the inherent issues associated with MOFs. Furthermore, the ZIF-8@γ-PGA hydrogel is utilized for dye adsorption, demonstrating an impressive maximum adsorption capacity of 1130 ± 1 mg/g for methylene blue (MB). The adsorption behavior exhibits an excellent agreement with both the kinetic model and isotherm. Meanwhile, because the adsorbent raw materials are all green non-toxic materials, multiple applications of materials can also be realized. Significantly, the results of antibacterial experiments showed that the ZIF-8@γ-PGA hydrogel after in-situ growth of ZIF-8 had better antibacterial properties. Thus, the ZIF-8@γ-PGA hydrogel has great potential for development in wound dressings, sustained drug owing to its biocompatibility and antibacterial activity.
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Affiliation(s)
- Zheng Li
- State Key Laboratory of Separation Membranes and Membrane Processes/National Center for International Joint Research on Separation Membranes/Key Laboratory of Advanced Textile Composites of Ministry of Education, School of Textile Science and Engineering, Tiangong University, Tianjin 300387, PR China.
| | - Xiao Li
- State Key Laboratory of Separation Membranes and Membrane Processes/National Center for International Joint Research on Separation Membranes/Key Laboratory of Advanced Textile Composites of Ministry of Education, School of Textile Science and Engineering, Tiangong University, Tianjin 300387, PR China
| | - Yuzhou Yang
- State Key Laboratory of Separation Membranes and Membrane Processes/National Center for International Joint Research on Separation Membranes/Key Laboratory of Advanced Textile Composites of Ministry of Education, School of Textile Science and Engineering, Tiangong University, Tianjin 300387, PR China
| | - Qiujin Li
- State Key Laboratory of Separation Membranes and Membrane Processes/National Center for International Joint Research on Separation Membranes/Key Laboratory of Advanced Textile Composites of Ministry of Education, School of Textile Science and Engineering, Tiangong University, Tianjin 300387, PR China
| | - Jixian Gong
- State Key Laboratory of Separation Membranes and Membrane Processes/National Center for International Joint Research on Separation Membranes/Key Laboratory of Advanced Textile Composites of Ministry of Education, School of Textile Science and Engineering, Tiangong University, Tianjin 300387, PR China
| | - Xiuming Liu
- State Key Laboratory of Separation Membranes and Membrane Processes/National Center for International Joint Research on Separation Membranes/Key Laboratory of Advanced Textile Composites of Ministry of Education, School of Textile Science and Engineering, Tiangong University, Tianjin 300387, PR China
| | - Bing Liu
- Ningxia Shenju Agricultural Technology Development Co., Ltd., Zhongwei 755001, PR China
| | - Guobao Zheng
- Agricultural Biotechnology Centre, Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan, Ningxia 750002
| | - Songnan Zhang
- State Key Laboratory of Separation Membranes and Membrane Processes/National Center for International Joint Research on Separation Membranes/Key Laboratory of Advanced Textile Composites of Ministry of Education, School of Textile Science and Engineering, Tiangong University, Tianjin 300387, PR China.
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3
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Meng S, Wu H, Xiao D, Lan S, Dong A. Recent advances in bacterial cellulose-based antibacterial composites for infected wound therapy. Carbohydr Polym 2023; 316:121082. [PMID: 37321715 DOI: 10.1016/j.carbpol.2023.121082] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 05/20/2023] [Accepted: 05/30/2023] [Indexed: 06/17/2023]
Abstract
Wound infection arising from pathogenic bacteria brought serious trouble to the patient and medical system. Among various wound dressings that are effective in killing pathogenic bacteria, antimicrobial composites based on bacterial cellulose (BC) are becoming the most popular materials due to their success in eliminating pathogenic bacteria, preventing wound infection, and promoting wound healing. However, as an extracellular natural polymer, BC is not inherently antimicrobial, which means that it must be combined with other antimicrobials to be effective against pathogens. BC has many advantages over other polymers, including nano-structure, significant moisture retention, non-adhesion to the wound surface, which has made it superior to other biopolymers. This review introduces the recent advances in BC-based composites for the treatment of wound infection, including the classification and preparation methods of composites, the mechanism of wound treatment, and commercial application. Moreover, their wound therapy applications include hydrogel dressing, surgical sutures, wound healing bandages, and patches are summarized in detail. Finally, the challenges and future prospects of BC-based antibacterial composites for the treatment of infected wounds are discussed.
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Affiliation(s)
- Suriguga Meng
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China; Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, China
| | - Haixia Wu
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China; Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, China
| | - Douxin Xiao
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China; Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, China.
| | - Shi Lan
- College of Science, Inner Mongolia Agricultural University, Hohhot 010018, China.
| | - Alideertu Dong
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China; Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, China.
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4
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Tang J, Yi W, Yan J, Chen Z, Fan H, Zaldivar-Silva D, Agüero L, Wang S. Highly absorbent bio-sponge based on carboxymethyl chitosan/poly-γ-glutamic acid/platelet-rich plasma for hemostasis and wound healing. Int J Biol Macromol 2023; 247:125754. [PMID: 37429345 DOI: 10.1016/j.ijbiomac.2023.125754] [Citation(s) in RCA: 35] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 06/27/2023] [Accepted: 07/07/2023] [Indexed: 07/12/2023]
Abstract
Stopping bleeding at an early stage and promoting wound healing are of great significance for efficient wound management. In this study, a carboxymethyl chitosan (CMCS)/poly-γ-glutamic acid (γ-PGA)/platelet-rich plasma (PRP) hydrogel (CP-PRP hydrogel) was firstly prepared by crosslinking of CMCS with γ-PGA and the enzymatic coagulation of PRP. Then, the CP-PRP hydrogel was freeze-dried and transformed into a sponge (CP-PRP sponge). A series of safety experiments with cells, blood, and tissues proved the biocompatibility of the CP-PRP sponge. Importantly, the CP-PRP sponge was able to adhere and condense red blood cells, which accelerated blood clotting. Therefore, the CP-PRP sponge showed an enhanced hemostasis effect compared to SURGIFLO® Hemostatic Matrix. Moreover, in vitro and in vivo experiments showed that the sponge was able to release epidermal growth factor (EGF) and vascular endothelial growth factor (VEGF). Thus, in a mouse model of full-thickness skin defects, the wounds of the sponge-treated mice were significantly healed within two weeks. These results proved the transforming potential of the CP-PRP sponge as a novel bioactive wound dressing.
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Affiliation(s)
- Jingwen Tang
- School of Materials and Chemistry, the University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai 200093, PR China
| | - Wanwan Yi
- Department of Nuclear Medicine, Shanghai Tenth People's Hospital, Tongji University School of Medicine, No. 301 Yanchang Middle Road, Shanghai 200072, PR China
| | - Jiahao Yan
- School of Materials and Chemistry, the University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai 200093, PR China
| | - Zheng Chen
- School of Materials and Chemistry, the University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai 200093, PR China
| | - Hengwei Fan
- Department of Hepatic Surgery Dept I, the Eastern Hepatobiliary Surgery Hospital, Navy Medical University, No. 225 Changhai Road, Shanghai 200438, PR China.
| | - Dionisio Zaldivar-Silva
- Departamento de Biomateriales Polimericos, Centro de Biomateriales, Universidad de La Habana, Ave Universidad entre Calle Ronda y Calle G, 10400 Municipio Plaza de La Revolucion, La Habana, Cuba
| | - Lissette Agüero
- Departamento de Biomateriales Polimericos, Centro de Biomateriales, Universidad de La Habana, Ave Universidad entre Calle Ronda y Calle G, 10400 Municipio Plaza de La Revolucion, La Habana, Cuba
| | - Shige Wang
- School of Materials and Chemistry, the University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai 200093, PR China.
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5
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Kim J, Choi J, Hyun J. Free-form three-dimensional nanocellulose structure reinforced with poly(vinyl alcohol) using freeze-thaw process. Carbohydr Polym 2022; 298:120055. [DOI: 10.1016/j.carbpol.2022.120055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 08/08/2022] [Accepted: 08/26/2022] [Indexed: 11/25/2022]
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6
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Microbial biopolymers in articular cartilage tissue engineering. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03178-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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7
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Dong S, Zhang Y, Mei Y, Zhang Y, Hao Y, Liang B, Dong W, Zou R, Niu L. Researching progress on bio-reactive electrogenic materials with electrophysiological activity for enhanced bone regeneration. Front Bioeng Biotechnol 2022; 10:921284. [PMID: 35957647 PMCID: PMC9358035 DOI: 10.3389/fbioe.2022.921284] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 07/04/2022] [Indexed: 11/17/2022] Open
Abstract
Bone tissues are dynamically reconstructed during the entire life cycle phase, which is an exquisitely regulated process controlled by intracellular and intercellular signals transmitted through physicochemical and biochemical stimulation. Recently, the role of electrical activity in promoting bone regeneration has attracted great attention, making the design, fabrication, and selection of bioelectric bio-reactive materials a focus. Under specific conditions, piezoelectric, photoelectric, magnetoelectric, acoustoelectric, and thermoelectric materials can generate bioelectric signals similar to those of natural tissues and stimulate osteogenesis-related signaling pathways to enhance the regeneration of bone defects, which can be used for designing novel smart biological materials for engineering tissue regeneration. However, literature summarizing studies relevant to bioelectric materials for bone regeneration is rare to our knowledge. Consequently, this review is mainly focused on the biological mechanism of electrical stimulation in the regeneration of bone defects, the current state and future prospects of piezoelectric materials, and other bioelectric active materials suitable for bone tissue engineering in recent studies, aiming to provide a theoretical basis for novel clinical treatment strategies for bone defects.
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Affiliation(s)
- Shaojie Dong
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
- Department of Prosthodontics, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
| | - Yuwei Zhang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
| | - Yukun Mei
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
| | - Yifei Zhang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
| | - Yaqi Hao
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
- Department of Prosthodontics, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
| | - Beilei Liang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
- Department of Prosthodontics, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
| | - Weijiang Dong
- School of Basic Sciences of Xi’an Jiaotong University Health Science Center, Xi’an, China
- *Correspondence: Weijiang Dong, ; Rui Zou, ; Lin Niu,
| | - Rui Zou
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
- *Correspondence: Weijiang Dong, ; Rui Zou, ; Lin Niu,
| | - Lin Niu
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
- Department of Prosthodontics, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- *Correspondence: Weijiang Dong, ; Rui Zou, ; Lin Niu,
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8
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Surendran G, Sherje AP. Cellulose nanofibers and composites: An insight on basics and biomedical applications. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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9
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Dou C, Li Z, Luo Y, Gong J, Li Q, Zhang J, Zhang Q, Qiao C. Bio-based poly (γ-glutamic acid)-gelatin double-network hydrogel with high strength for wound healing. Int J Biol Macromol 2022; 202:438-452. [DOI: 10.1016/j.ijbiomac.2022.01.057] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 12/27/2021] [Accepted: 01/10/2022] [Indexed: 12/21/2022]
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Biranje SS, Sun J, Cheng L, Cheng Y, Shi Y, Yu S, Jiao H, Zhang M, Lu X, Han W, Wang Q, Zhang Z, Liu J. Development of Cellulose Nanofibril/Casein-Based 3D Composite Hemostasis Scaffold for Potential Wound-Healing Application. ACS APPLIED MATERIALS & INTERFACES 2022; 14:3792-3808. [PMID: 35037458 DOI: 10.1021/acsami.1c21039] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Excessive bleeding in traumatic hemorrhage is the primary concern for natural wound healing and the main reason for trauma deaths. The three-dimensional (3D) bioprinting of bioinks offers the desired structural complexity vital for hemostasis activity and targeted cell proliferation in rapid and controlled wound healing. However, it is challenging to develop suitable bioinks to fabricate specific 3D scaffolds desirable in wound healing. In this work, a 3D composite scaffold is designed using bioprinting technology and synergistic hemostasis mechanisms of cellulose nanofibrils (TCNFs), chitosan, and casein to control blood loss in traumatic hemorrhage. Bioinks that consist of casein bioconjugated TCNF (with a casein content of 104.5 ± 34.1 mg/g) using the carbodiimide cross-linker chemistry were subjected to bioprinting for customizable 3D scaffold fabrication. Further, the 3D composite scaffolds were in situ cross-linked using a green ionic complexation approach. The covalent conjugation among TCNF, casein, and chitosan was confirmed by Fourier transform infrared (FTIR) spectroscopy, nuclear magnetic resonance (NMR), X-ray photoelectron spectroscopy (XPS), sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), and X-ray diffraction (XRD) studies. The in vitro hemostasis activity of the 3D composite scaffold was analyzed by a human thrombin-antithrombin (TAT) assay and adsorption of red blood cells (RBCs) and platelets. The 3D composite scaffold had a better swelling behavior and a faster whole blood clotting rate at each time point than the 3D TCNF scaffold and commercial cellulose-based dressings. The TAT assay demonstrated that the 3D composite scaffold could form a higher content of thrombin (663.29 pg/mL) and stable blood clot compared to a cellulosic pad (580.35 pg/mL), 3D TCNF (457.78 pg/mL), and cellulosic gauze (328.92 pg/mL), which are essential for faster blood coagulation. In addition, the 3D composite scaffold had a lower blood clotting index (23.34%) than the 3D TCNF scaffold (41.93%), suggesting higher efficiencies for RBC entrapping to induce blood clotting. The in vivo cytocompatibility was evaluated by a 3D cell culture study, and results showed that the 3D composite scaffold could promote growth and proliferation of NIH 3T3 fibroblast cells, which is vital for wound healing. Cellulase-based in vitro deconstruction of the 3D composite scaffold showed significant weight loss (80 ± 5%) compared to the lysozyme hydrolysis (22 ± 5%) after 28 days of incubation, suggesting the biodegradation potential of the composite scaffold. In conclusion, this study proposes efficient prospects to develop a 3D composite scaffold from bioprinting of TCNF-based bioinks that can accelerate blood clotting and wound healing, suggesting its potential application in reducing blood loss during traumatic hemorrhage.
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Affiliation(s)
- Santosh Shivaji Biranje
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Jianzhong Sun
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Lu Cheng
- Reproduction Medicine Center, Affiliated Hospital of Jiangsu University, 438 Jiefang Road, Zhenjiang 212001, China
| | - Yu Cheng
- Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Yifei Shi
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Sujie Yu
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Haixin Jiao
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Meng Zhang
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Xuechu Lu
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Wenjia Han
- Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Qianqian Wang
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Zhen Zhang
- SCNU-TUE Joint Lab of Device Integrated Responsive Materials (DIRM), National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006, China
- ScienceK Ltd., Huzhou 313000, China
| | - Jun Liu
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
- Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
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11
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Strengthening Cellulose Nanopaper via Deep Eutectic Solvent and Ultrasound-Induced Surface Disordering of Nanofibers. Polymers (Basel) 2021; 14:polym14010078. [PMID: 35012101 PMCID: PMC8747671 DOI: 10.3390/polym14010078] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/15/2021] [Accepted: 12/23/2021] [Indexed: 11/17/2022] Open
Abstract
The route for the preparation of cellulose nanofiber dispersions from bacterial cellulose using ethylene glycol- or glycerol-based deep eutectic solvents (DES) is demonstrated. Choline chloride was used as a hydrogen bond acceptor and the effect of the combined influence of DES treatment and ultrasound on the thermal and mechanical properties of bacterial cellulose nanofibers (BC-NFs) is demonstrated. It was found that the maximal Young’s modulus (9.2 GPa) is achieved for samples prepared using a combination of ethylene glycol-based DES and ultrasound treatment. Samples prepared with glycerol-based DES combined with ultrasound exhibit the maximal strength (132 MPa). Results on the mechanical properties are discussed based on the structural investigations that were performed using FTIR, Raman, WAXD, SEM and AFM measurements, as well as the determination of the degree of polymerization and the density of BC-NF packing during drying with the formation of paper. We propose that the disordering of the BC-NF surface structure along with the preservation of high crystallinity bulk are the key factors leading to the improved mechanical and thermal characteristics of prepared BC-NF-based papers.
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A self-healing and injectable oxidized quaternized guar gum/carboxymethyl chitosan hydrogel with efficient hemostatic and antibacterial properties for wound dressing. Colloids Surf B Biointerfaces 2021; 209:112207. [PMID: 34800810 DOI: 10.1016/j.colsurfb.2021.112207] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/18/2021] [Accepted: 11/06/2021] [Indexed: 01/04/2023]
Abstract
Multifunctional wound dressings urgently need to be developed to meet the various needs of wound healing. In this work, we first proposed a new method about modifying the guar gum (GG) by performing a quaternization graft reaction and then oxidation. The obtained oxidized quaternized guar gum (OQGG) not only has antibacterial function due to the introduction of quaternary ammonium groups, but also can become one of the components of Schiff base hydrogels due to the presence of aldehyde groups. Therefore, we used it and carboxymethyl chitosan (CMCS) to design a hydrogel with antibacterial, hemostatic, self-repairing and injectable properties. We characterized the structure of OQGG and OQGG@CMCS hydrogels, but also evaluated the performance of the hydrogels. The results showed that GG was successfully modified to OQGG and OQGG@CMCS hydrogel was successfully prepared, and the obtained OQGG@CMCS hydrogel showed excellent antibacterial and hemostatic properties, and exhibited self-healing and injectability. In addition, cytotoxicity tests demonstrated that the OQGG@CMCS hydrogels presented good cytocompatibility. Further, the OQGG@CMCS hydrogel significantly promoted wound healing in an S. aureus-infected rat wound model. Therefore, the hydrogel has the potential to be applied as a wound dressing.
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Wei M, Hsu YI, Asoh TA, Sung MH, Uyama H. Injectable poly(γ-glutamic acid)-based biodegradable hydrogels with tunable gelation rate and mechanical strength. J Mater Chem B 2021; 9:3584-3594. [PMID: 33909743 DOI: 10.1039/d1tb00412c] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Polypeptide-based hydrogels have potential applications in polymer therapeutics and regenerative medicine. However, designing reliable polypeptide-based hydrogels with a rapid injection time and controllable stiffness for clinical applications remains a challenge. Herein, a class of injectable poly(γ-glutamic acid) (PGA)-based hydrogels were constructed using furfurylamine and tyramine-modified PGA (PGA-Fa-Tyr) and the crosslinker dimaleimide poly(ethylene glycol) (MAL-PEG-MAL), through a facile strategy combining enzymatic crosslinking and Diels-Alder (DA) reaction. The injectable hydrogels could be quickly gelatinized and the gelation time, ranging from 10 to 95 s, could be controlled by varying the hydrogen peroxide (H2O2) concentration. Compared with hydrogels formed by single enzymatic crosslinking, the compressive stress and strain of the injectable hydrogels were remarkably enhanced because of the occurrence of the subsequent DA reaction in the hydrogels, suggesting the DA network imparted an outstanding toughening effect on the hydrogels. Furthermore, the mechanical strength, swelling ratio, pore size, and degradation behavior of the injectable hydrogels could be easily controlled by changing the molar ratios of H2O2/Tyr or furan/maleimide. More importantly, injectable hydrogels encapsulating bovine serum albumin exhibited sustained release behavior. Thus, the developed hydrogels hold great potential for applications in biomedical fields, such as tissue engineering and cell/drug delivery.
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Affiliation(s)
- Meng Wei
- Department of Applied Chemistry, Osaka University, Suita, Osaka 565-0871, Japan.
| | - Yu-I Hsu
- Department of Applied Chemistry, Osaka University, Suita, Osaka 565-0871, Japan.
| | - Taka-Aki Asoh
- Department of Applied Chemistry, Osaka University, Suita, Osaka 565-0871, Japan.
| | - Moon-Hee Sung
- Department of Advanced Fermentation Fusion Science and Technology, Kookmin University, Seoul, Korea
| | - Hiroshi Uyama
- Department of Applied Chemistry, Osaka University, Suita, Osaka 565-0871, Japan.
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Buldum G, Mantalaris A. Systematic Understanding of Recent Developments in Bacterial Cellulose Biosynthesis at Genetic, Bioprocess and Product Levels. Int J Mol Sci 2021; 22:ijms22137192. [PMID: 34281246 PMCID: PMC8268586 DOI: 10.3390/ijms22137192] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 06/28/2021] [Accepted: 06/30/2021] [Indexed: 02/06/2023] Open
Abstract
Engineering biological processes has become a standard approach to produce various commercially valuable chemicals, therapeutics, and biomaterials. Among these products, bacterial cellulose represents major advances to biomedical and healthcare applications. In comparison to properties of plant cellulose, bacterial cellulose (BC) shows distinctive characteristics such as a high purity, high water retention, and biocompatibility. However, low product yield and extensive cultivation times have been the main challenges in the large-scale production of BC. For decades, studies focused on optimization of cellulose production through modification of culturing strategies and conditions. With an increasing demand for BC, researchers are now exploring to improve BC production and functionality at different categories: genetic, bioprocess, and product levels as well as model driven approaches targeting each of these categories. This comprehensive review discusses the progress in BC platforms categorizing the most recent advancements under different research focuses and provides systematic understanding of the progress in BC biosynthesis. The aim of this review is to present the potential of ‘modern genetic engineering tools’ and ‘model-driven approaches’ on improving the yield of BC, altering the properties, and adding new functionality. We also provide insights for the future perspectives and potential approaches to promote BC use in biomedical applications.
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Affiliation(s)
- Gizem Buldum
- Department of Life Sciences, Imperial College London, London SW7 2AZ, UK;
| | - Athanasios Mantalaris
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Correspondence:
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15
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Pei Z, Yu Z, Li M, Bai L, Wang W, Chen H, Yang H, Wei D, Yang L. Self-healing and toughness cellulose nanocrystals nanocomposite hydrogels for strain-sensitive wearable flexible sensor. Int J Biol Macromol 2021; 179:324-332. [PMID: 33684432 DOI: 10.1016/j.ijbiomac.2021.03.023] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 02/25/2021] [Accepted: 03/04/2021] [Indexed: 12/22/2022]
Abstract
Recently, self-healing and high mechanical strength hydrogels have aroused much research due to their potential future in strain-sensitive flexible sensors. In this manuscript, we successfully designed self-healing and toughness cellulose nanocrystals (CNCs) nanocomposite hydrogels by grafted polypyrrole (PPy) on the surface of CNCs to enhance electrical conductivity. The obtained nanocomposite hydrogels exhibit outstanding self-healing and mechanical behaviors, and the optimal mechanical strength, toughness and self-healing efficiency can be up to 5.7 MPa, 810% and 89.6%, respectively. Using these functional nanocomposite hydrogels, strain-sensitive wearable flexible sensors were designed to monitor finger joint motions, bending of knee, and even the slight pulse beating. Surprisingly, the flexible sensors could evidently perceive body motions from large movements (knee bending) to tiny signals (pulse beating). In addition, it exhibited excellent durability after repeated cycles. This method of prepared self-healing nanocomposite hydrogels will have a potential prospect in the design of biomedical, biosensors, and flexible electronic devices.
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Affiliation(s)
- Zhaoxia Pei
- School of Chemistry and Materials Science, Ludong University, Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province, Collaborative Innovation Center of Shandong Province for High Performance Fibers and Their Composites, Yantai, China
| | - Zhiwei Yu
- School of Chemistry and Materials Science, Ludong University, Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province, Collaborative Innovation Center of Shandong Province for High Performance Fibers and Their Composites, Yantai, China
| | - Mengnan Li
- School of Chemistry and Materials Science, Ludong University, Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province, Collaborative Innovation Center of Shandong Province for High Performance Fibers and Their Composites, Yantai, China
| | - Liangjiu Bai
- School of Chemistry and Materials Science, Ludong University, Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province, Collaborative Innovation Center of Shandong Province for High Performance Fibers and Their Composites, Yantai, China.
| | - Wenxiang Wang
- School of Chemistry and Materials Science, Ludong University, Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province, Collaborative Innovation Center of Shandong Province for High Performance Fibers and Their Composites, Yantai, China.
| | - Hou Chen
- School of Chemistry and Materials Science, Ludong University, Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province, Collaborative Innovation Center of Shandong Province for High Performance Fibers and Their Composites, Yantai, China
| | - Huawei Yang
- School of Chemistry and Materials Science, Ludong University, Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province, Collaborative Innovation Center of Shandong Province for High Performance Fibers and Their Composites, Yantai, China
| | - Donglei Wei
- School of Chemistry and Materials Science, Ludong University, Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province, Collaborative Innovation Center of Shandong Province for High Performance Fibers and Their Composites, Yantai, China
| | - Lixia Yang
- School of Chemistry and Materials Science, Ludong University, Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province, Collaborative Innovation Center of Shandong Province for High Performance Fibers and Their Composites, Yantai, China
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