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Jia X, Fan X, Chen C, Lu Q, Zhou H, Zhao Y, Wang X, Han S, Ouyang L, Yan H, Dai H, Geng H. Chemical and Structural Engineering of Gelatin-Based Delivery Systems for Therapeutic Applications: A Review. Biomacromolecules 2024; 25:564-589. [PMID: 38174643 DOI: 10.1021/acs.biomac.3c01021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
As a biodegradable and biocompatible protein derived from collagen, gelatin has been extensively exploited as a fundamental component of biological scaffolds and drug delivery systems for precise medicine. The easily engineered gelatin holds great promise in formulating various delivery systems to protect and enhance the efficacy of drugs for improving the safety and effectiveness of numerous pharmaceuticals. The remarkable biocompatibility and adjustable mechanical properties of gelatin permit the construction of active 3D scaffolds to accelerate the regeneration of injured tissues and organs. In this Review, we delve into diverse strategies for fabricating and functionalizing gelatin-based structures, which are applicable to gene and drug delivery as well as tissue engineering. We emphasized the advantages of various gelatin derivatives, including methacryloyl gelatin, polyethylene glycol-modified gelatin, thiolated gelatin, and alendronate-modified gelatin. These derivatives exhibit excellent physicochemical and biological properties, allowing the fabrication of tailor-made structures for biomedical applications. Additionally, we explored the latest developments in the modulation of their physicochemical properties by combining additive materials and manufacturing platforms, outlining the design of multifunctional gelatin-based micro-, nano-, and macrostructures. While discussing the current limitations, we also addressed the challenges that need to be overcome for clinical translation, including high manufacturing costs, limited application scenarios, and potential immunogenicity. This Review provides insight into how the structural and chemical engineering of gelatin can be leveraged to pave the way for significant advancements in biomedical applications and the improvement of patient outcomes.
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Affiliation(s)
- Xiaoyu Jia
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212018, China
| | - Xin Fan
- Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518075, China
| | - Cheng Chen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212018, China
| | - Qianyun Lu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212018, China
| | - Hongfeng Zhou
- Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518075, China
| | - Yanming Zhao
- Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518075, China
| | - Xingang Wang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212018, China
| | - Sanyang Han
- Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518075, China
| | - Liliang Ouyang
- Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
| | - Hongji Yan
- Department of Medical Cell Biology (MCB), Uppsala University (UU), 751 05 Uppsala, Sweden
| | - Hongliang Dai
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212018, China
| | - Hongya Geng
- Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518075, China
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2
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Shen J, Song W, Liu J, Peng X, Tan Z, Xu Y, Liu S, Ren L. 3D bioprinting by reinforced bioink based on photocurable interpenetrating networks for cartilage tissue engineering. Int J Biol Macromol 2024; 254:127671. [PMID: 37884244 DOI: 10.1016/j.ijbiomac.2023.127671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/27/2023] [Accepted: 10/23/2023] [Indexed: 10/28/2023]
Abstract
Cartilage has a limited ability to repair itself, highlighting the urgent need for suitable materials for cartilage regeneration. Achieving a balance between cell survival environment and hydrogel crosslinking density is crucial for photosensitive cell-laden cartilage repair materials to achieve both high strength and good cell viability. Here, an interpenetrating hydrogel consisted of methacrylate gelatin (GelMA) and glycidyl methacrylate silk fibroin (SG) was introduced. Compared to GelMA hydrogel, GelMA/SG had desired mechanical properties, with achieving up to 5 times of compression modulus and 6 times of compression failure energy. Meanwhile, the chondrocytes inside GelMA/SG exhibited great viability which was over 90 %. GelMA/SG as a bioink had favorable printability for digital light processing (DLP) bioprinting. The mesh DLP-printed scaffolds with high precision were created and GelMA/SG had a better shape retention ability than GelMA. Moreover, GelMA/SG cell-laden scaffolds had high strength while chondrocytes proliferated significantly in vitro culture. They were implanted under the skin of nude mice to evaluate ectopic chondrogenesis in vivo. The GelMA/SG cell-laden scaffolds indicated little deformation and high expression of collagen type II and glycosaminoglycans, which was advantageous for cartilage regeneration. The scaffold and its fabrication strategy provide potential solutions for clinical cartilage repair problems in the future.
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Affiliation(s)
- Jingjie Shen
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of education, South China University of Technology, Guangzhou 510006, China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, China
| | - Wenjing Song
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of education, South China University of Technology, Guangzhou 510006, China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, China.
| | - Jia Liu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of education, South China University of Technology, Guangzhou 510006, China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, China
| | - Xiaoyun Peng
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of education, South China University of Technology, Guangzhou 510006, China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, China
| | - Zhuhao Tan
- National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of education, South China University of Technology, Guangzhou 510006, China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, China
| | - Yingni Xu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of education, South China University of Technology, Guangzhou 510006, China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, China
| | - Sa Liu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of education, South China University of Technology, Guangzhou 510006, China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, China
| | - Li Ren
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of education, South China University of Technology, Guangzhou 510006, China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, China.
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3
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Zhang L, Bei Z, Li T, Qian Z. An injectable conductive hydrogel with dual responsive release of rosmarinic acid improves cardiac function and promotes repair after myocardial infarction. Bioact Mater 2023; 29:132-150. [PMID: 37621769 PMCID: PMC10444974 DOI: 10.1016/j.bioactmat.2023.07.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 07/05/2023] [Accepted: 07/05/2023] [Indexed: 08/26/2023] Open
Abstract
Myocardial infarction (MI) causes irreversible damage to the heart muscle, seriously threatening the lives of patients. Injectable hydrogels have attracted extensive attention in the treatment of MI. By promoting the coupling of mechanical and electrical signals between cardiomyocytes, combined with synergistic therapeutic strategies targeting the pathological processes of inflammation, proliferation, and fibrotic remodeling after MI, it is expected to improve the therapeutic effect. In this study, a pH/ROS dual-responsive injectable hydrogel was developed by modifying xanthan gum and gelatin with reversible imine bond and boronic ester bond double crosslinking. By encapsulating polydopamine-rosmarinic acid nanoparticles to achieve on-demand drug release in response to the microenvironment of MI, thereby exerting anti-inflammatory, anti-apoptotic, and anti-fibrosis effects. By adding conductive composites to improve the conductivity and mechanical strength of the hydrogel, restore electrical signal transmission in the infarct area, promote synchronous contraction of cardiomyocytes, avoid induced arrhythmias, and induce angiogenesis. Furthermore, the multifunctional hydrogel promoted the expression of cardiac-specific markers to restore cardiac function after MI. The in vivo and in vitro results demonstrate the effectiveness of this synergistic comprehensive treatment strategy in MI treatment, showing great application potential to promote the repair of infarcted hearts.
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Affiliation(s)
- Linghong Zhang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zhongwu Bei
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Tao Li
- Department of Pediatric Cardiac Surgery, West China the Second Hospital, Sichuan University, Chengdu, 610041, China
| | - Zhiyong Qian
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
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Leong MY, Kong YL, Harun MY, Looi CY, Wong WF. Current advances of nanocellulose application in biomedical field. Carbohydr Res 2023; 532:108899. [PMID: 37478689 DOI: 10.1016/j.carres.2023.108899] [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: 10/03/2022] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 07/23/2023]
Abstract
Nanocellulose (NC) is a natural fiber that can be extracted in fibrils or crystals form from different natural sources, including plants, bacteria, and algae. In recent years, nanocellulose has emerged as a sustainable biomaterial for various medicinal applications including drug delivery systems, wound healing, tissue engineering, and antimicrobial treatment due to its biocompatibility, low cytotoxicity, and exceptional water holding capacity for cell immobilization. Many antimicrobial products can be produced due to the chemical functionality of nanocellulose, such disposable antibacterial smart masks for healthcare use. This article discusses comprehensively three types of nanocellulose: cellulose nanocrystals (CNC), cellulose nanofibrils (CNF), and bacterial nanocellulose (BNC) in view of their structural and functional properties, extraction methods, and the distinctive biomedical applications based on the recently published work. On top of that, the biosafety profile and the future perspectives of nanocellulose-based biomaterials have been further discussed in this review.
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Affiliation(s)
- M Y Leong
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University Lakeside Campus, 47500, Subang Jaya, Selangor Darul Ehsan, Malaysia
| | - Y L Kong
- Department of Engineering and Applied Sciences, American Degree Program, Taylor's University Lakeside Campus, 47500, Subang Jaya, Selangor Darul Ehsan, Malaysia.
| | - M Y Harun
- Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400, UPM Serdang, Selangor Darul Ehsan, Malaysia
| | - C Y Looi
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University Lakeside Campus, 47500, Subang Jaya, Selangor Darul Ehsan, Malaysia
| | - W F Wong
- Department of Medical Microbiology, Faculty of Medicine, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
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5
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Wu H, Lou Y, Zhai X, Li Z, Liu B. Development and Characterization of CO 2-Responsive Intelligent Polymer Sealant. ACS OMEGA 2023; 8:35066-35076. [PMID: 37780003 PMCID: PMC10535263 DOI: 10.1021/acsomega.3c04466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 08/30/2023] [Indexed: 10/03/2023]
Abstract
In this study, we present an innovative intelligent polymer sealant designed to mitigate CO2 leakage during underground geological storage (CCUS). This sealant is formulated by cross-linking CO2-responsive polymers, specifically acrylamide (AM) and N-[3-(dimethylamino) propyl] methacrylamide (DMAPMA), with polyethylenimine (PEI) serving as the cross-linking agent. The polymer sealant's characteristics were systematically investigated, varying the CO2-responsive polymer content (1.5 wt %) and PEI content (0.1-0.6 wt %). A comprehensive analysis encompassing the rheological properties, thermal behavior, conductivity, and microstructures was conducted. Experimental results indicate that the polymer sealant exhibits excellent injectability, rapid response kinetics, thermal stability, and robust mechanical strength. Upon encountering CO2, the polymer system undergoes a transition from sol to gel state, forming a surface-smooth, uniformly porous three-dimensional (3D) network skeleton structure. Remarkably, the gel's modulus remains relatively unaffected by the shear frequency. Core fluid displacement experiments demonstrated a substantial sealing efficiency of 73.6% for CO2 and an impressive subsequent injection water sealing rate of 96.2%, underscoring its superior sealing and migration performance. In conclusion, the proposed CO2-responsive gel sealant exhibits an exceptional potential for successful utilization in CCUS operations. This advancement introduces a novel avenue to enhance the effectiveness of CO2-responsive gel sealants, thereby contributing to the advancement of CO2 leakage mitigation strategies in geological storage scenarios.
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Affiliation(s)
- Huimei Wu
- National
Engineering Research Center for Oil & Gas Drilling and Completion
Technology, Yangtze University, Wuhan 430100, China
- Hubei
Key Laboratory of Oil and Gas Drilling and Production Engineering, Yangtze University, Wuhan 430100, China
| | - Yishan Lou
- National
Engineering Research Center for Oil & Gas Drilling and Completion
Technology, Yangtze University, Wuhan 430100, China
- Hubei
Key Laboratory of Oil and Gas Drilling and Production Engineering, Yangtze University, Wuhan 430100, China
| | - Xiaopeng Zhai
- National
Engineering Research Center for Oil & Gas Drilling and Completion
Technology, Yangtze University, Wuhan 430100, China
- Hubei
Key Laboratory of Oil and Gas Drilling and Production Engineering, Yangtze University, Wuhan 430100, China
| | - Zhonghui Li
- National
Engineering Research Center for Oil & Gas Drilling and Completion
Technology, Yangtze University, Wuhan 430100, China
- Hubei
Key Laboratory of Oil and Gas Drilling and Production Engineering, Yangtze University, Wuhan 430100, China
| | - Bin Liu
- National
Engineering Research Center for Oil & Gas Drilling and Completion
Technology, Yangtze University, Wuhan 430100, China
- Hubei
Key Laboratory of Oil and Gas Drilling and Production Engineering, Yangtze University, Wuhan 430100, China
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6
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Lyu B, Lu X, Gao D, Wu H, Ma J. Construction and evaluation of environment-friendly POSS multi-crosslinked mulch film based on bone gelatin. Int J Biol Macromol 2023; 247:125829. [PMID: 37453634 DOI: 10.1016/j.ijbiomac.2023.125829] [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: 04/19/2023] [Revised: 07/06/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Abstract
The non-degradable traditional polyethylene (PE) mulch film has caused great harm to both the ecological environment as well as human health. Therefore, the biodegradable bone gelatin (B-Gel) was innovatively selected to build the mulch film. To further enhance the toughness of the B-Gel mulch films, a POSS star-shaped polymer/bone gelatin (P(POSS-AGE-HEA)/B-Gel) composite was prepared by introducing POSS star-shaped polymer into B-Gel via in situ polymerization using polyhedral oligomeric silsesquioxane (POSS), allyl glycidyl ether (AGE) and hydroxyethyl acrylate (HEA) as raw material, and then was cast to obtain the P(POSS-AGE-HEA)/B-Gel mulch film. The epoxy group of POSS star-shaped polymer with the -COOH and -NH2 of B-Gel forms a covalent bond, and the hydroxyl group with the active groups of B-Gel forms hydrogen bonds. Meanwhile, the multiple side chains of POSS star-shaped polymer are intertwined with B-Gel. These covalent and hydrogen bonds as sacrificial bonds for effective energy dissipation giving the bone gelatin-based film excellent mechanical properties with a tensile strength of 7.56 ± 0.64 MPa and elongation at break of 197.49 ± 17.63 %. Additionally, it also demonstrated sound water vapor barrier, surface hydrophobicity, light transmittance and the effect of facilitating the growth and germination ratio (93.75 %) of wheat.
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Affiliation(s)
- Bin Lyu
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi'an 710021, China; Xi'an Key Laboratory of Green Chemicals and Functional Materials, Shaanxi University of Science & Technology, Xi'an 710021, China.
| | - Xiangrui Lu
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi'an 710021, China; Xi'an Key Laboratory of Green Chemicals and Functional Materials, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Dangge Gao
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi'an 710021, China; Xi'an Key Laboratory of Green Chemicals and Functional Materials, Shaanxi University of Science & Technology, Xi'an 710021, China.
| | - Haoyuan Wu
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi'an 710021, China; Xi'an Key Laboratory of Green Chemicals and Functional Materials, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Jianzhong Ma
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi'an 710021, China; Xi'an Key Laboratory of Green Chemicals and Functional Materials, Shaanxi University of Science & Technology, Xi'an 710021, China.
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7
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Wang N, Yu K, Li K, Yu X. A novel triple-network hydrogel based on borate ester groups: from structural modulation to rapid wound hemostasis. J Mater Chem B 2023; 11:1232-1239. [PMID: 36647703 DOI: 10.1039/d2tb02537j] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Supramolecular hydrogels have received widespread attention due to their soft texture, strong hygroscopicity, and good biocompatibility. These materials have become particularly attractive for sensing, tissue engineering, fluorescence encoding, wound healing, etc. Inspired by the assembly of G-quadruplexes, we choose the boric acid/polyvinyl alcohol/guanosine system to construct a novel triple-network supramolecular hydrogel "tri-BA@PVA/G" via non-covalent cross-linking, and the effect of the concentration of each component on the hydrogel stability was systematically revealed at the same time. Then, the biocompatibility, shape adaption and optical information storage capacity, the rapid hemostatic ability and the ability of the hydrogel to promote wound healing were confirmed both in vitro and in vivo. These results that predict the properties and reveal prospective applications in the field of wound hemostasis have a certain guiding significance for the subsequent preparation of borate-based triple network hydrogels which can be used as wound hemostatic materials.
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Affiliation(s)
- Nan Wang
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, China.
| | - Kangkang Yu
- Key Laboratory of Bio-resources and Eco-environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610064, China.
| | - Kun Li
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, China.
| | - Xiaoqi Yu
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, China. .,Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Department of Chemistry, Xihua University, Chengdu, 610039, China
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8
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An injectable conductive hydrogel restores electrical transmission at myocardial infarct site to preserve cardiac function and enhance repair. Bioact Mater 2023; 20:339-354. [PMID: 35784639 PMCID: PMC9210214 DOI: 10.1016/j.bioactmat.2022.06.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 06/02/2022] [Accepted: 06/02/2022] [Indexed: 11/21/2022] Open
Abstract
Myocardial infarction (MI) leads to massive cardiomyocyte death and deposition of collagen fibers. This fibrous tissue disrupts electrical signaling in the myocardium, leading to cardiac systolic and diastolic dysfunction, as well as arrhythmias. Conductive hydrogels are a promising therapeutic strategy for MI. Here, we prepared a highly water-soluble conductive material (GP) by grafting polypyrrole (PPy) onto non-conductive gelatin. This component was added to the gel system formed by the Schiff base reaction between oxidized xanthan gum (OXG) and gelatin to construct an injectable conductive hydrogel. The prepared self-healing OGGP3 (3 wt% GP) hydrogel had good biocompatibility, elastic modulus, and electrical conductivity that matched the natural heart. The prepared biomaterials were injected into the rat myocardial scar tissue 2 days after MI. We found that the cardiac function of the rats treated with OGGP3 was improved, making it more difficult to induce arrhythmias. The electrical resistivity of myocardial fibrous tissue was reduced, and the conduction velocity of myocardial tissue was increased. Histological analysis showed reduced infarct size, increased left ventricular wall thickness, increased vessel density, and decreased inflammatory response in the infarcted area. Our findings clearly demonstrate that the OGGP3 hydrogel attenuates ventricular remodeling and inhibits infarct dilation, thus showing its potential for the treatment of MI. An injectable self-healing conductive hydrogel was synthesized for the treatment of myocardial infarction (MI). The OGGP3 hydrogel had elastic modulus (20.77 kPa) and conductivity (5.52 × 10−4 S/cm) that matched the natural heart. The hydrogel could protect cardiac function, reduce arrhythmia susceptibility and the resistivity of cardiac scar tissue. The hydrogel could increase left ventricular wall thickness, reduce infarct size and cardiac fibrosis in the infarcted area. The hydrogel could promote the expression level of cardiac-specific markers, induce angiogenesis, and reduce inflammation.
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9
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Chatterjee S, Ghosal K, Kumar M, Mahmood S, Thomas S. A detailed discussion on interpenetrating polymer network (IPN) based drug delivery system for the advancement of health care system. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2022.104095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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10
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Hu Q, Lu R, Liu S, Liu Y, Gu Y, Zhang H. 3D printing GelMA/PVA interpenetrating polymer networks scaffolds mediated with CuO nanoparticles for angiogenesis. Macromol Biosci 2022; 22:e2200208. [PMID: 35904133 DOI: 10.1002/mabi.202200208] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 07/19/2022] [Indexed: 11/08/2022]
Abstract
Biocompatible hydrogels have been considered one of the most well-known and promising in the various materials used in the fabrication of tissue-engineering scaffolds. Although considerable progress has been made in recent decades, many limitations remain, such as poor mechanical and degradation properties of biomaterials. In addition, vascularization of tissue-engineering scaffold is enduring challenge, which limited the fabrication and application of scaffold with clinically relevant dimension. To cover these challenges, in this work, a novel nanocomposite interpenetrating polymer networks (IPN) hydrogel scaffold consists of methacrylated gelatin (GelMA), poly(vinyl alcohol) (PVA) and copper oxide nanoparticles (CuONPs) was fabricated by extrusion-based 3D printing and contained favorable biological and physicochemical properties, such as mechanical, degradation, and cytocompatibility properties, particularly conducive to angiogenesis in the scaffold. A series of physiochemical and biological characterizations of the photo-crosslinked and hydrogen-bonded crosslinked IPN scaffolds were performed. Results showed that the mechanical and degradation properties of the nanocompsite GelMA/PVA scaffolds were obviously improved compare to GelMA scaffolds with single network. In vitro cell experiments and a chick embryo angiogenesis (CEA) assay confirmed good cytocompatibility of the fabricated scaffold with adipose-derived stem and human umbilical vein endothelial cells and its potential to promote cell migration and angiogenesis. In conclusion, all together of results demonstrated that GelMA/PVA IPN scaffolds modified with CuONPs have great potential for fabrication of volumetric scaffolds and promote angiogenesis during tissue growth and repair. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Qingxi Hu
- Rapid Manufacturing Engineering Center, School of Mechatronical Engineering and Automation, Shanghai University, Shanghai, 200444, China.,National Demonstration Center for Experimental Engineering Training Education, Shanghai University, Shanghai, 200444, China.,Shanghai Key Laboratory of Intelligent Manufacturing and Robotics, Shanghai University, Shanghai, 200072, China
| | - Runsheng Lu
- Rapid Manufacturing Engineering Center, School of Mechatronical Engineering and Automation, Shanghai University, Shanghai, 200444, China
| | - Suihong Liu
- Rapid Manufacturing Engineering Center, School of Mechatronical Engineering and Automation, Shanghai University, Shanghai, 200444, China.,Centre for Translational Bone, Joint and Soft Tissue Research, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, 01307, Dresden, Germany
| | - Yakui Liu
- Rapid Manufacturing Engineering Center, School of Mechatronical Engineering and Automation, Shanghai University, Shanghai, 200444, China
| | - Yan Gu
- Department of general surgery, Huadong Hospital, Fudan University Shanghai Medical School, Shanghai, 200040, China
| | - Haiguang Zhang
- Rapid Manufacturing Engineering Center, School of Mechatronical Engineering and Automation, Shanghai University, Shanghai, 200444, China.,National Demonstration Center for Experimental Engineering Training Education, Shanghai University, Shanghai, 200444, China.,Shanghai Key Laboratory of Intelligent Manufacturing and Robotics, Shanghai University, Shanghai, 200072, China
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11
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Wang L, Yan L, Liu S, Zhang H, Xiao J, Wang Z, Xiao W, Li B, Liao X. Conformational Transition-Driven Self-Folding Hydrogel Based on Silk Fibroin and Gelatin for Tissue Engineering Applications. Macromol Biosci 2022; 22:e2200189. [PMID: 35895675 DOI: 10.1002/mabi.202200189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 07/18/2022] [Indexed: 11/11/2022]
Abstract
Self-folding is a rapidly evolving method for converting flat objects into three-dimensional structures. However, because there are few materials with suitable properties, application of self-folding in tissue engineering has been hindered greatly. Herein, a novel self-folding hydrogel using a conformational transition mechanism was developed by employing a photocrosslinkable silk fibroin and gelatin. It was hypothesized that differences in the amount of β-sheet formation between the upper and lower layers would supply additional folding stress and drive the self-folding behaviour of a bilayer patch, which could improve the mechanical properties and long-term stability of the self-folded structure. In this study, the impact of various proportions of β-sheets in composite hydrogels on their swelling, mechanics, and internal microstructures were investigated. Subsequently, the folding process parameters were optimized, and diffusion through the folded tubular structure was studied with a perfusion test. Finally, it was proven that the self-folding hydrogel system is cytocompatible and can be utilized to build a 3D coculture system of "endothelial cells-smooth muscle cells". These findings suggest that the self-folding hydrogel could be a promising candidate for applications in blood vessel tissue engineering and regenerative medicine. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Lu Wang
- Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing, 401331, P. R. China
| | - Ling Yan
- Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection Technology, School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing, 401331, P. R. China
| | - Shuang Liu
- Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing, 401331, P. R. China
| | - Hao Zhang
- Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection Technology, School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing, 401331, P. R. China
| | - Jing Xiao
- Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing, 401331, P. R. China
| | - Ziyin Wang
- Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection Technology, School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing, 401331, P. R. China
| | - Wenqian Xiao
- Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing, 401331, P. R. China
| | - Bo Li
- Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing, 401331, P. R. China
| | - Xiaoling Liao
- Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection Technology, School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing, 401331, P. R. China
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12
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Xie H, Bai Q, Kong F, Li Y, Zha X, Zhang L, Zhao Y, Gao S, Li P, Jiang Q. Allantoin-functionalized silk fibroin/sodium alginate transparent scaffold for cutaneous wound healing. Int J Biol Macromol 2022; 207:859-872. [PMID: 35358577 DOI: 10.1016/j.ijbiomac.2022.03.147] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 03/21/2022] [Accepted: 03/23/2022] [Indexed: 12/26/2022]
Abstract
In clinical application, it's highly desirable for developing bio-functionalized cutaneous scaffold with transparent features for convenient observation, excellent biocompatibility, and high efficiency for promoting wound repair. Herein, allantoin-functionalized composite hydrogel was developed by coupling silk fibroin (SF) and sodium alginate (SA) for treatment of cutaneous wounds. The prepared allantoin-functionalized SF-SA composite scaffolds (AFAS) exhibited excellent mechanical properties, especially featured by similar ultimate tensile strength (UTS) and elongation at breaking to human skin. Besides, the solvent-casting method guaranteed the AFAS to obtain highly transparent properties with sufficient moisture permeability and excellent adhesion in wet state. In vitro cellular experiments demonstrated excellent biocompatibility of the scaffold that attachment and proliferation of NIH-3T3 fibroblast cells was promoted in the presence of AFAS. Furthermore, the scaffolds exhibited efficient hemostatic property, based on rat hepatic hemorrhage model. In a cutaneous excisional mouse wound model, the AFAS significantly improved the wound closure rate, compared with pure SF-SA scaffolds and blank control. Moreover, the histomorphological assessments showed that AFAS facilitated the integrity of skin and wound healing process by enhancing collagen deposition, re-epithelialization and vascularization at wound site. The results demonstrate that the novel allantoin-functionalized SF/SA transparent hydrogel has great potential for clinical treatment of cutaneous wound.
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Affiliation(s)
- Haojiang Xie
- Medical Information College, Chongqing Medical University, Chongqing 400016, China
| | - Qiao Bai
- Department of Pathology, Southwest Hospital, Chongqing 400038, China
| | - Fankai Kong
- Medical Information College, Chongqing Medical University, Chongqing 400016, China
| | - Yang Li
- Medical Information College, Chongqing Medical University, Chongqing 400016, China
| | - Xiaoying Zha
- Medical Information College, Chongqing Medical University, Chongqing 400016, China
| | - Lingqin Zhang
- Medical Information College, Chongqing Medical University, Chongqing 400016, China
| | - Yiming Zhao
- Medical Information College, Chongqing Medical University, Chongqing 400016, China
| | - Shasha Gao
- Medical Information College, Chongqing Medical University, Chongqing 400016, China
| | - Ping Li
- Medical Information College, Chongqing Medical University, Chongqing 400016, China
| | - Qifeng Jiang
- Medical Information College, Chongqing Medical University, Chongqing 400016, China.
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13
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Huo P, Ding H, Tang Z, Liang X, Xu J, Wang M, Liang R, Sun G. Conductive silk fibroin hydrogel with semi-interpenetrating network with high toughness and fast self-recovery for strain sensors. Int J Biol Macromol 2022; 212:1-10. [PMID: 35577196 DOI: 10.1016/j.ijbiomac.2022.05.084] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/28/2022] [Accepted: 05/10/2022] [Indexed: 11/26/2022]
Abstract
Regenerated silk fibroin (RSF) hydrogels have been extensively studied in the fields of biomedicine and wearable devices in recent years due to their outstanding biocompatibility. However, the pure RSF hydrogels usually exhibited frangibility and low ductility, limiting their application in many aspects severely. Herein, we demonstrate a tough RSF/poly (N, N-dimethylallylamine) hydrogel with semi-interpenetrating network, which possesses good mechanical properties with high stretchability (εb = 900%), tensile strength (σb = 101.7 kPa), toughness (Wf = 516.7 kJ/m3) and tearing fracture energy (T = 407.3 J/m2). Besides, the gels show low residual strain in the cyclic tests and rapid self-recovery (80% toughness recovery within 5 min with the maximum strain of 400%). Moreover, the gels also show high ionic conductivity due to the incorporation of the NaCl and the hydrogel can act as an ideal candidate for strain sensor with high sensitivity (GF = 1.84), admirable linearity, and good durability (1000 cycles with the strain of 100%). When used as a wearable strain sensor for monitoring human movements, it also can detect small and large deformations with high sensitivity. It is expected that this work can provide a new strategy for the fabrication of smart RSF-based hydrogels and expand their application in multiple scenarios.
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Affiliation(s)
- Peixian Huo
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau SAR, China
| | - Hongyao Ding
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Ziqing Tang
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau SAR, China
| | - Xiaoxu Liang
- Foundation Department, Guangzhou Maritime University, Guangzhou, Guangdong 510725, China
| | - Jianyu Xu
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau SAR, China
| | - Miaomiao Wang
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau SAR, China
| | - Rui Liang
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau SAR, China.
| | - Guoxing Sun
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau SAR, China.
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15
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Zheng F, Yang X, Li J, Tian Z, Xiao B, Yi S, Duan L. Coordination with zirconium: A facile approach to improve the mechanical properties and thermostability of gelatin hydrogel. Int J Biol Macromol 2022; 205:595-603. [PMID: 35217081 DOI: 10.1016/j.ijbiomac.2022.02.124] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 02/09/2022] [Accepted: 02/19/2022] [Indexed: 12/12/2022]
Abstract
The poor mechanical property and thermostability restricted applications of gelatin hydrogel. Herein, a facile and inexpensive approach of immerging cooling induced gelatin hydrogels into Zr(SO4)2 dilute solution was applied to overcome these shortages. After this treatment, the micropores in hydrogel decreased to tens of microns while the water content slightly decreased. XPS results revealed that the coordination bonds formed between amino or carboxyl groups of gelatins and Zr4+. After immerging in 0.06 M Zr4+ solution, mechanical tests showed that the elastic modulus, compressive modulus and compressive strength of hydrogel were about 400, 1192 and 476 kPa, respectively, which were approximate 100, 11 and 5 times larger than those of pure gelatin. The DSC data indicated that the thermoreversible temperature of triple helix structure in gelatin was improved from about 30 °C to 55 °C. More importantly, the rheological temperature sweep test revealed that hydrogels with 0.06 M Zr4+ treatment can maintain the hydrogel state without melting even at 80 °C. CCK-8 tests and Calcein-AM/PI double-stain experiments demonstrated Zr4+ coordination was non-cytotoxic. These promising data indicated this nontoxic method was efficient and had potential to fabricate gelatin related materials for further application.
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Affiliation(s)
- Fan Zheng
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, PR China
| | - Xiao Yang
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, PR China
| | - Jiao Li
- Stomatological Hospital of Chongqing Medical University, Chongqing 401147, PR China
| | - Zhenhua Tian
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Bo Xiao
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, PR China
| | - Shixiong Yi
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, PR China
| | - Lian Duan
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, PR China.
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16
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Crosby CO, Stern B, Kalkunte N, Pedahzur S, Ramesh S, Zoldan J. Interpenetrating polymer network hydrogels as bioactive scaffolds for tissue engineering. REV CHEM ENG 2022; 38:347-361. [PMID: 35400772 PMCID: PMC8993131 DOI: 10.1515/revce-2020-0039] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Tissue engineering, after decades of exciting progress and monumental breakthroughs, has yet to make a significant impact on patient health. It has become apparent that a dearth of biomaterial scaffolds that possess the material properties of human tissue while remaining bioactive and cytocompatible has been partly responsible for this lack of clinical translation. Herein, we propose the development of interpenetrating polymer network hydrogels as materials that can provide cells with an adhesive extracellular matrix-like 3D microenvironment while possessing the mechanical integrity to withstand physiological forces. These hydrogels can be synthesized from biologically-derived or synthetic polymers, the former polymer offering preservation of adhesion, degradability, and microstructure and the latter polymer offering tunability and superior mechanical properties. We review critical advances in the enhancement of mechanical strength, substrate-scale stiffness, electrical conductivity, and degradation in IPN hydrogels intended as bioactive scaffolds in the past five years. We also highlight the exciting incorporation of IPN hydrogels into state-of-the-art tissue engineering technologies, such as organ-on-a-chip and bioprinting platforms. These materials will be critical in the engineering of functional tissue for transplant, disease modeling, and drug screening.
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Affiliation(s)
- Cody O. Crosby
- University of Texas at Austin, Department of Biomedical Engineering, Austin, Texas
| | - Brett Stern
- University of Texas at Austin, Department of Biomedical Engineering, Austin, Texas
| | - Nikhith Kalkunte
- University of Texas at Austin, Department of Biomedical Engineering, Austin, Texas
| | - Shahar Pedahzur
- University of Texas at Austin, Department of Biomedical Engineering, Austin, Texas
| | - Shreya Ramesh
- University of Texas at Austin, Department of Biomedical Engineering, Austin, Texas
| | - Janet Zoldan
- University of Texas at Austin, Department of Biomedical Engineering, Austin, Texas
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Zhang W, Zhang Y, Li X, Cao Z, Mo Q, Sheng R, Ling C, Chi J, Yao Q, Chen J, Wang H. Multifunctional polyphenol-based silk hydrogel alleviates oxidative stress and enhances endogenous regeneration of osteochondral defects. Mater Today Bio 2022; 14:100251. [PMID: 35469254 PMCID: PMC9034395 DOI: 10.1016/j.mtbio.2022.100251] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 03/08/2022] [Accepted: 03/31/2022] [Indexed: 01/25/2023] Open
Abstract
In osteochondral defects, oxidative stress caused by elevated levels of reactive oxygen species (ROS) can disrupt the normal endogenous repair process. In this study, a multifunctional hydrogel composed of silk fibroin (SF) and tannic acid (TA), the FDA-approved ingredients, was developed to alleviate oxidative stress and enhance osteochondral regeneration. In this proposed hydrogel, SF first interacts with TA to form a hydrogen-bonded supramolecular structure, which is subsequently enzymatically crosslinked to form a stable hydrogel. Furthermore, TA had multiple phenolic hydroxyl groups that formed interactions with the therapeutic molecule E7 peptide for controlled drug delivery. In vitro investigations showed that SF-TA and SF-TA-E7 hydrogels exhibited a multitude of biological effects including scavenging of ROS, maintaining cell viability, and promoting the proliferation of bone marrow mesenchymal stem cells (BMSCs) against oxidative stress. The proteomic analysis indicated that SF-TA and SF-TA-E7 hydrogels suppressed oxidative stress, which in turn improved cell proliferation in multiple proliferation and apoptosis-related pathways. In rabbit osteochondral defect model, SF-TA and SF-TA-E7 hydrogels promoted enhanced regeneration of both cartilage and subchondral bone as compared to hydrogel without TA incorporation. These findings indicated that the multifunctional SF-TA hydrogel provided a microenvironment suitable for the endogenous regeneration of osteochondral defects.
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Affiliation(s)
- Wei Zhang
- School of Medicine, Southeast University, 210009, Nanjing, China
- Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, 210096, Nanjing, China
- China Orthopedic Regenerative Medicine Group (CORMed), China
- Corresponding author. School of Medicine, Southeast University, 210009, Nanjing, China.
| | - Yanan Zhang
- School of Medicine, Southeast University, 210009, Nanjing, China
| | - Xiaolong Li
- School of Medicine, Southeast University, 210009, Nanjing, China
| | - Zhicheng Cao
- School of Medicine, Southeast University, 210009, Nanjing, China
- Department of Orthopaedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, 210006, Nanjing, China
| | - Qingyun Mo
- School of Medicine, Southeast University, 210009, Nanjing, China
| | - Renwang Sheng
- School of Medicine, Southeast University, 210009, Nanjing, China
| | - Chen Ling
- School of Medicine, Southeast University, 210009, Nanjing, China
- Department of Orthopaedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, 210006, Nanjing, China
| | - Jiayu Chi
- School of Medicine, Southeast University, 210009, Nanjing, China
| | - Qingqiang Yao
- Department of Orthopaedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, 210006, Nanjing, China
- China Orthopedic Regenerative Medicine Group (CORMed), China
- Corresponding author. Department of Orthopaedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, 210006, Nanjing, China.
| | - Jialin Chen
- School of Medicine, Southeast University, 210009, Nanjing, China
- Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, 210096, Nanjing, China
- China Orthopedic Regenerative Medicine Group (CORMed), China
- Corresponding author. School of Medicine, Southeast University, 210009, Nanjing, China.
| | - Hongmei Wang
- School of Medicine, Southeast University, 210009, Nanjing, China
- Department of Pharmaceutical Sciences, Binzhou Medical University, 264003, Yantai, Shandong, China
- Corresponding author. School of Medicine, Southeast University, 210009, Nanjing, China.
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18
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Liu Z, Wei H, Liu Y, Li W, Li S, Wang G, Guo T. Fabrication and characterization of interpenetrating network hydrogels based on sequential amine‐anhydride reaction and photopolymerization in water. POLYM ENG SCI 2022. [DOI: 10.1002/pen.25896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zijun Liu
- School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou PR China
| | - Hongliang Wei
- School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou PR China
| | - Yuhua Liu
- School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou PR China
| | - Weikun Li
- School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou PR China
| | - Songmao Li
- School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou PR China
| | - Gang Wang
- School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou PR China
| | - Tao Guo
- School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou PR China
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19
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Ghalei S, Douglass M, Handa H. Nitric Oxide-Releasing Gelatin Methacryloyl/Silk Fibroin Interpenetrating Polymer Network Hydrogels for Tissue Engineering Applications. ACS Biomater Sci Eng 2021; 8:273-283. [PMID: 34890206 DOI: 10.1021/acsbiomaterials.1c01121] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Bacterial infection is one of the principal reasons for the failure of tissue engineering scaffolds. Therefore, the development of multifunctional scaffolds that not only are able to guide tissue regeneration but also can inhibit bacterial colonization is of great importance for tissue engineering applications. In this study, a highly antibacterial, biocompatible, and biodegradable scaffold based on silk fibroin (SF) and gelatin methacryloyl (GelMA) was prepared. Sequential cross-linking of GelMA and SF under UV irradiation and methanol treatment, respectively, resulted in the formation of interpenetrating network (IPN) hydrogels with a porous structure. In addition, impregnation of the hydrogels with a nitric oxide (NO) donor molecule, S-nitroso-N-acetylpenicillamine (SNAP), led to the development of NO-releasing scaffolds with strong antibacterial properties. According to the obtained results, the addition of SF to GelMA hydrogels caused an enhancement in the mechanical properties and NO release kinetics and prevented their rapid enzymatic degradation in aqueous media. Furthermore, swelling the GelMA-SF scaffolds with SNAP resulted in a bacteria reduction efficiency of >99.9% against Gram-positive (Staphylococcus aureus) and Gram-negative (Escherichia coli) bacteria. The scaffolds also showed great cytocompatibility in vitro by increasing the proliferation and supporting the adhesion of 3T3 mouse fibroblast cells. Overall, GelMA-SF-SNAP showed great promise to be used as a scaffold for tissue engineering and wound healing applications.
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Affiliation(s)
- Sama Ghalei
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Megan Douglass
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Hitesh Handa
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia 30602, United States.,Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, Georgia 30602, United States
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20
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Shaikh MAJ, Gilhotra R, Pathak S, Mathur M, Iqbal HMN, Joshi N, Gupta G. Current update on psyllium and alginate incorporate for interpenetrating polymer network (IPN) and their biomedical applications. Int J Biol Macromol 2021; 191:432-444. [PMID: 34560150 DOI: 10.1016/j.ijbiomac.2021.09.115] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 09/10/2021] [Accepted: 09/17/2021] [Indexed: 02/05/2023]
Abstract
Natural polysaccharides and their designed structures are extremely valuable due to their intrinsic pharmacological properties and are also used as pharmaceutical aids. These naturally occurring polysaccharides (e.g., psyllium and alginate) are gaining popularity for their use in the preparation of interpenetrating polymer network (IPN) materials with improved swelling ability, biodegradability, stability, non-cytotoxic, biocompatibility, and cost-effectiveness. IPN is prepared sequentially or simultaneously by microwave irradiation, casting evaporation, emulsification cross-linking, miniemulsion/inverse miniemulsion technique, and radiation polymerization methods. In addition, the prepared IPNs have has been extensively characterized using various analytical and imaging techniques before sustainable deployment for multiple applications. Regardless of these multi-characteristic attributes, the current literature lacks a detailed overview of the biomedical aspects of psyllium, alginate, and their engineered IPN structures. Herein, we highlight the unique synthesis, structural, and biomedical considerations of psyllium, alginate, and engineered IPN structures. In this review, a wide range of biomedical applications, such as role as a drug carrier for sustain delivery, wound dressing, tissue engineering, and related miscellaneous application of psyllium, alginate, and their IPN structures described with appropriate examples. Further research will be carried out for the development of IPN using psyllium and alginate, which will be a smart and active carrier for drugs used in the treatment of life-threatening diseases due to their inherent pharmacological potential such as hypoglycemic, immunomodulatory, antineoplastic, and antimicrobial.
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Affiliation(s)
| | - Ritu Gilhotra
- School of Pharmacy, Suresh GyanVihar University, Jagatpura 302017, Mahal Road, Jaipur, India
| | - Sachchidanand Pathak
- School of Pharmacy, Suresh GyanVihar University, Jagatpura 302017, Mahal Road, Jaipur, India
| | - Manas Mathur
- School of Agriculture, Suresh GyanVihar University, Mahal Road, Jagatpura, Jaipur, India
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico.
| | - Navneet Joshi
- Department of Biosciences, School of Liberal Arts and Sciences, Mody University of Science and Technology, Lakshmangarh-332311, District-Sikar, Rajasthan, India.
| | - Gaurav Gupta
- School of Pharmacy, Suresh GyanVihar University, Jagatpura 302017, Mahal Road, Jaipur, India; Department of Pharmacology, Saveetha Dental College, Saveetha University, Chennai, India.
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21
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Malekmohammadi S, Sedghi Aminabad N, Sabzi A, Zarebkohan A, Razavi M, Vosough M, Bodaghi M, Maleki H. Smart and Biomimetic 3D and 4D Printed Composite Hydrogels: Opportunities for Different Biomedical Applications. Biomedicines 2021; 9:1537. [PMID: 34829766 PMCID: PMC8615087 DOI: 10.3390/biomedicines9111537] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/10/2021] [Accepted: 10/16/2021] [Indexed: 12/17/2022] Open
Abstract
In recent years, smart/stimuli-responsive hydrogels have drawn tremendous attention for their varied applications, mainly in the biomedical field. These hydrogels are derived from different natural and synthetic polymers but are also composite with various organic and nano-organic fillers. The basic functions of smart hydrogels rely on their ability to change behavior; functions include mechanical, swelling, shaping, hydrophilicity, and bioactivity in response to external stimuli such as temperature, pH, magnetic field, electromagnetic radiation, and biological molecules. Depending on the final applications, smart hydrogels can be processed in different geometries and modalities to meet the complicated situations in biological media, namely, injectable hydrogels (following the sol-gel transition), colloidal nano and microgels, and three dimensional (3D) printed gel constructs. In recent decades smart hydrogels have opened a new horizon for scientists to fabricate biomimetic customized biomaterials for tissue engineering, cancer therapy, wound dressing, soft robotic actuators, and controlled release of bioactive substances/drugs. Remarkably, 4D bioprinting, a newly emerged technology/concept, aims to rationally design 3D patterned biological matrices from synthesized hydrogel-based inks with the ability to change structure under stimuli. This technology has enlarged the applicability of engineered smart hydrogels and hydrogel composites in biomedical fields. This paper aims to review stimuli-responsive hydrogels according to the kinds of external changes and t recent applications in biomedical and 4D bioprinting.
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Affiliation(s)
- Samira Malekmohammadi
- Department of Engineering, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK;
- Department of Regenerative Medicine, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran 1665659911, Iran;
- Nanomedicine Research Association (NRA), Universal Scientific Education and Research Network (USERN), Tehran 1419733151, Iran;
| | - Negar Sedghi Aminabad
- Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz 5166653431, Iran; (N.S.A.); (A.S.)
| | - Amin Sabzi
- Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz 5166653431, Iran; (N.S.A.); (A.S.)
| | - Amir Zarebkohan
- Nanomedicine Research Association (NRA), Universal Scientific Education and Research Network (USERN), Tehran 1419733151, Iran;
- Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz 5166653431, Iran; (N.S.A.); (A.S.)
| | - Mehdi Razavi
- Biionix Cluster, Department of Internal Medicine, College of Medicine, University of Central Florida, Orlando, FL 32827, USA;
| | - Massoud Vosough
- Department of Regenerative Medicine, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran 1665659911, Iran;
| | - Mahdi Bodaghi
- Department of Engineering, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK;
| | - Hajar Maleki
- Department of Chemistry, Institute of Inorganic Chemistry, University of Cologne, 50939 Cologne, Germany
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Silk Fibroin/Spidroin Electrospun Scaffolds for Full-Thickness Skin Wound Healing in Rats. Pharmaceutics 2021; 13:pharmaceutics13101704. [PMID: 34683996 PMCID: PMC8539429 DOI: 10.3390/pharmaceutics13101704] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 10/11/2021] [Accepted: 10/12/2021] [Indexed: 11/17/2022] Open
Abstract
The main goal of our research was to fabricate electrospun scaffolds from three different silk proteins—silk fibroin from Bombyx mori silkworm cocoons and two recombinant spidroins, rS2/12 and rS2/12-RGDS—and to perform a comparative analysis of the structure, biological properties, and regenerative potential of the scaffolds in a full-thickness rat skin wound model. The surface and internal structures were investigated using scanning electron microscopy and scanning probe nanotomography. The structures of the scaffolds were similar. The average fiber diameter of the scaffolds was 315 ± 26 nm, the volume porosity was 94.5 ± 1.4%, the surface-to-volume ratio of the scaffolds was 25.4 ± 4.2 μm−1 and the fiber surface roughness was 3.8 ± 0.6 nm. The scaffolds were characterized by a non-cytotoxicity effect and a high level of cytocompatibility with cells. The scaffolds also had high regenerative potential—the healing of the skin wound was accelerated by 19 days compared with the control. A histological analysis did not reveal any fragments of the experimental constructions or areas of inflammation. Thus, novel data on the structure and biological properties of the silk fibroin/spidroin electrospun scaffolds were obtained.
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A Comparative Analysis of the Structure and Biological Properties of Films and Microfibrous Scaffolds Based on Silk Fibroin. Pharmaceutics 2021; 13:pharmaceutics13101561. [PMID: 34683854 PMCID: PMC8541150 DOI: 10.3390/pharmaceutics13101561] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/19/2021] [Accepted: 09/22/2021] [Indexed: 01/01/2023] Open
Abstract
A comparative analysis of the structure and biological properties of silk fibroin constructions was performed. Three groups of constructions were obtained: films obtained by casting an aqueous solution of silk fibroin and electrospun microfibrous scaffolds based on silk fibroin, with the addition of 30% gelatin per total protein weight. The internal structures of the films and single fibers of the microfibrous scaffolds consisted of densely packed globule structures; the surface area to volume ratios and volume porosities of the microfibrous scaffolds were calculated. All constructions were non-toxic for cells and provide high levels of adhesion and proliferation. The high regenerative potential of the constructions was demonstrated in a rat full-thickness skin wound healing model. The constructions accelerated healing by an average of 15 days and can be considered to be promising constructions for various tasks of tissue engineering and regenerative medicine.
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Abstract
Biopolymers are natural polymers sourced from plants and animals, which include a variety of polysaccharides and polypeptides. The inclusion of biopolymers into biomedical hydrogels is of great interest because of their inherent biochemical and biophysical properties, such as cellular adhesion, degradation, and viscoelasticity. The objective of this Review is to provide a detailed overview of the design and development of biopolymer hydrogels for biomedical applications, with an emphasis on biopolymer chemical modifications and cross-linking methods. First, the fundamentals of biopolymers and chemical conjugation methods to introduce cross-linking groups are described. Cross-linking methods to form biopolymer networks are then discussed in detail, including (i) covalent cross-linking (e.g., free radical chain polymerization, click cross-linking, cross-linking due to oxidation of phenolic groups), (ii) dynamic covalent cross-linking (e.g., Schiff base formation, disulfide formation, reversible Diels-Alder reactions), and (iii) physical cross-linking (e.g., guest-host interactions, hydrogen bonding, metal-ligand coordination, grafted biopolymers). Finally, recent advances in the use of chemically modified biopolymer hydrogels for the biofabrication of tissue scaffolds, therapeutic delivery, tissue adhesives and sealants, as well as the formation of interpenetrating network biopolymer hydrogels, are highlighted.
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Affiliation(s)
- Victoria G. Muir
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Jason A. Burdick
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
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Liu Y, Huang J, Xu Z, Li S, Jiang Y, Qu GW, Li Z, Zhao Y, Wu X, Ren J. Fabrication of gelatin-based printable inks with improved stiffness as well as antibacterial and UV-shielding properties. Int J Biol Macromol 2021; 186:396-404. [PMID: 34224758 DOI: 10.1016/j.ijbiomac.2021.06.193] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 06/27/2021] [Accepted: 06/28/2021] [Indexed: 11/19/2022]
Abstract
Gelatin-based inks have a broad range of applications in bioprinting for tissue engineering and regenerative medicine due to their biocompatibility, ease of modification, degradability, and rapid gelation induced by low temperature. However, gelatin-derived inks prepared through low-temperature treatment have poor mechanical properties that limit their applications. To solve this problem, we designed polyacrylamide/gelatin/silver nanoparticle (PAAm-GelatinAgNPs) ink to improve gelatin-based hydrogels. The ink is based on double networks, in which the physically cross-linked gelatin as the first network and covalently cross-linked PAAm as the second network. It was found that the presence of PAAm increased the tensile and compression strength of the gelatin-based ink. Moreover, silver nanoparticles endowed the antibacterial properties to the gelatin-based ink and were able to shield the UV irradiation and damages to rat skin. In addition, this ink showed the shear thinning property; Consequently it succeeded in printing complex 3D scaffolds such as the cube, five-pointed star, flower, and university logo of "SEU". In summary, this ink presents a new strategy for the modification of gelatin and offers new potential applications for customized therapy of antimicrobial and anti-UV damage to tissues.
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Affiliation(s)
- Ye Liu
- PLA Key Laboratory of Trauma and Surgical Infections, Research Institute of General Surgery, Jinling Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Jinjian Huang
- PLA Key Laboratory of Trauma and Surgical Infections, Research Institute of General Surgery, Jinling Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Ziyan Xu
- PLA Key Laboratory of Trauma and Surgical Infections, Research Institute of General Surgery, Jinling Hospital, School of Medicine, Southeast University, Nanjing 210009, China; School of Medicine, Nanjing University, Nanjing 210093, China
| | - Sicheng Li
- PLA Key Laboratory of Trauma and Surgical Infections, Research Institute of General Surgery, Jinling Hospital, School of Medicine, Southeast University, Nanjing 210009, China; School of Medicine, Nanjing University, Nanjing 210093, China
| | - Yungang Jiang
- PLA Key Laboratory of Trauma and Surgical Infections, Research Institute of General Surgery, Jinling Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Gui Wen Qu
- PLA Key Laboratory of Trauma and Surgical Infections, Research Institute of General Surgery, Jinling Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Zongan Li
- Jiangsu Key Laboratory of 3D Printing Equipment and Manufacturing, NARI School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210042, China
| | - Yun Zhao
- Department of General Surgery, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, 210019, China
| | - Xiuwen Wu
- PLA Key Laboratory of Trauma and Surgical Infections, Research Institute of General Surgery, Jinling Hospital, School of Medicine, Southeast University, Nanjing 210009, China.
| | - Jianan Ren
- PLA Key Laboratory of Trauma and Surgical Infections, Research Institute of General Surgery, Jinling Hospital, School of Medicine, Southeast University, Nanjing 210009, China.
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Zheng H, Zuo B. Functional silk fibroin hydrogels: preparation, properties and applications. J Mater Chem B 2021; 9:1238-1258. [PMID: 33406183 DOI: 10.1039/d0tb02099k] [Citation(s) in RCA: 134] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Over the past decade, the hydrogels prepared from silk fibroin have received immense research attention due to the advantages of safe nature, biocompatibility, controllable degradation and capability to combine with other materials. They have broad application prospects in biomedicine and other fields. However, the traditional silk protein hydrogels have a simple network structure and single functionality, thus, leading to poor adaptability towards complex application environments. As a result, the application fields and development have been significantly restricted. However, the development of functional silk protein hydrogels has provided the opportunities to overcome the limitations of the silk protein hydrogels. In recent years, the functional design of the silk protein hydrogels and their potential applications have attracted the attention of scholars worldwide. Nevertheless, a comprehensive review on functional silk protein hydrogels is missing so far. In order to gain an in-depth understanding of the development status of the functional silk protein hydrogels, this article reviews the current status of the preparation, properties and application of the functional silk protein hydrogels. The article first briefly introduces the current cross-linking methods (including physical and chemical cross-linking), principles, advantages and limitations of the silk protein hydrogels. Subsequently, the types of functional silk protein hydrogels (e.g., high strength, injectable, self-healing, adhesive, conductive, environmental stimuli-responsive, 3D printable, etc.) and design principles for functional implementation have been introduced. Next, based on the advantages of the various functional aspects of the silk protein hydrogels, the applications of these hydrogels in the biomedical field (tissue engineering, sustained drug release, wound repair, adhesives, etc.) and bioelectronics are reviewed. Finally, the development prospects and challenges associated with silk protein functional hydrogels have been analyzed. It is hoped that this study will contribute towards the future innovation of the silk protein hydrogels by promoting the rational design of new mechanisms and successful realization of the target applications.
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Affiliation(s)
- Haiyan Zheng
- School of Textile and Clothing Engineering, Soochow University, Suzhou, 215100, China.
| | - Baoqi Zuo
- School of Textile and Clothing Engineering, Soochow University, Suzhou, 215100, China.
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Dhand AP, Galarraga JH, Burdick JA. Enhancing Biopolymer Hydrogel Functionality through Interpenetrating Networks. Trends Biotechnol 2021; 39:519-538. [PMID: 32950262 PMCID: PMC7960570 DOI: 10.1016/j.tibtech.2020.08.007] [Citation(s) in RCA: 104] [Impact Index Per Article: 34.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 08/19/2020] [Accepted: 08/20/2020] [Indexed: 01/22/2023]
Abstract
Traditional hydrogels are strong candidates for biomedical applications; however, they may suffer from drawbacks such as weak mechanics, static properties, and an inability to fully replicate aspects of the cellular microenvironment. These challenges can be addressed through the incorporation of second networks to form interpenetrating polymer network (IPN) hydrogels. The objective of this review is to establish clear trends on the enhanced functionality achieved by incorporating secondary networks into traditional, biopolymer-based hydrogels. These include mechanical reinforcement, 'smart' systems that respond to external stimuli, and the ability to tune cell-material interactions. Through attention to network structure and chemistry, IPN hydrogels may advance to meet challenging criteria for a wide range of biomedical fields.
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Affiliation(s)
- Abhishek P Dhand
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Jonathan H Galarraga
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Jason A Burdick
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA.
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Zhang J, Chen L, Chen L, Qian S, Mou X, Feng J. Highly antifouling, biocompatible and tough double network hydrogel based on carboxybetaine-type zwitterionic polymer and alginate. Carbohydr Polym 2021; 257:117627. [PMID: 33541653 DOI: 10.1016/j.carbpol.2021.117627] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 12/15/2020] [Accepted: 01/06/2021] [Indexed: 11/17/2022]
Abstract
Because of resistance to bio-macromolecular adhesion, antifouling hydrogels have attracted great attention in biomedical field. But traditional antifouling hydrogels made by hydrophilic polymers are always poor of mechanical properties. Herein, a new hybrid ionic-covalent cross-linked double network (DN) hydrogel was prepared by a simple one-pot method based on sodium alginate and the zwitterionic material carboxybetaine acrylamide (CBAA). The DN hydrogel has good mechanical properties, including high elastic modulus (0.28 MPa), high tensile strength (0.69 MPa), as well as good self-recovery capability. More importantly, the DN hydrogel is highly resistance to the adsorption of non-specific protein, cells, bacteria and algae, exhibiting an outstanding antifouling property. The in vitro and in vivo experiments prove that the DN hydrogel is highly biocompatible. This study provides a new strategy for the preparation of antifouling DN hydrogels with good mechanical properties for different needs, such as tissue scaffolds, wound dressings, implantable devices, and other fields.
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Affiliation(s)
- Jing Zhang
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, PR China.
| | - Lingdong Chen
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, PR China
| | - Liqun Chen
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, PR China
| | - Sunxiang Qian
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, PR China
| | - Xiaozhou Mou
- Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, Zhejiang, 310014, PR China.
| | - Jie Feng
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, PR China.
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Zhang Y, Huang Y. Rational Design of Smart Hydrogels for Biomedical Applications. Front Chem 2021; 8:615665. [PMID: 33614595 PMCID: PMC7889811 DOI: 10.3389/fchem.2020.615665] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 12/21/2020] [Indexed: 12/20/2022] Open
Abstract
Hydrogels are polymeric three-dimensional network structures with high water content. Due to their superior biocompatibility and low toxicity, hydrogels play a significant role in the biomedical fields. Hydrogels are categorized by the composition from natural polymers to synthetic polymers. To meet the complicated situation in the biomedical applications, suitable host–guest supramolecular interactions are rationally selected. This review will have an introduction of hydrogel classification based on the formulation molecules, and then a discussion over the rational design of the intelligent hydrogel to the environmental stimuli such as temperature, irradiation, pH, and targeted biomolecules. Further, the applications of rationally designed smart hydrogels in the biomedical field will be presented, such as tissue repair, drug delivery, and cancer therapy. Finally, the perspectives and the challenges of smart hydrogels will be outlined.
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Affiliation(s)
- Yanyu Zhang
- Institute of Analytical Technology and Smart Instruments, Xiamen Huaxia University, Xiamen, China.,Engineering Research Center of Fujian Province, Xiamen Huaxia University, Xiamen, China
| | - Yishun Huang
- Institute of Analytical Technology and Smart Instruments, Xiamen Huaxia University, Xiamen, China.,Engineering Research Center of Fujian Province, Xiamen Huaxia University, Xiamen, China
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Li J, Jia X, Yin L. Hydrogel: Diversity of Structures and Applications in Food Science. FOOD REVIEWS INTERNATIONAL 2021. [DOI: 10.1080/87559129.2020.1858313] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Jinlong Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, P.R. China
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University, Beijing, P.R. China
| | - Xin Jia
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, P.R. China
| | - Lijun Yin
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, P.R. China
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Tailorable hydrogel of gelatin with silk fibroin and its activation/crosslinking for enhanced proliferation of fibroblast cells. Int J Biol Macromol 2020; 164:4073-4083. [DOI: 10.1016/j.ijbiomac.2020.09.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 09/01/2020] [Accepted: 09/02/2020] [Indexed: 02/07/2023]
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Zhang Z, Dou Q, Wang S, Hu D, Yang B, Zhao Z, Liu H, Dai Q. The development of an antifouling interpenetrating polymer network hydrogel film for salivary glucose monitoring. NANOSCALE 2020; 12:22787-22797. [PMID: 33174578 DOI: 10.1039/d0nr05854h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Owing to its rapid response and broad detection range, a phenylboronic acid (PBA)-functionalized hydrogel film-coated quartz crystal microbalance (QCM) sensor is used to non-invasively monitor salivary glucose in diabetic patients. However, nonspecific protein adsorption on the PBA-functionalized hydrogel film can cause dramatic loss of sensitivity and accuracy of the sensor. A traditional zwitterionic polymer surface with ultra-low protein fouling can hinder the interaction of PBA in the hydrogel matrix with glucose molecules owing to its steric hindrance, resulting in poor glucose sensitivity of the sensor. Herein, we developed a novel hydrogel film that enhanced the antifouling properties and sensitivity of the QCM sensor by infiltrating a glucose-sensitive monomer (i.e., PBA) into a zwitterionic polymer brush matrix to form an interpenetrating polymer network (IPN). The IPN hydrogel film could minimize the glucose sensitivity loss since the antifouling polymer distributed in its matrix. Moreover, a stable hydration layer was formed in this film that could prevent water from transporting out of the matrix, thus further improving its antifouling properties and glucose sensitivity. The experimental results confirmed that the IPN hydrogel film possessed excellent resistance to protein fouling by mucin from whole saliva with reductions in adsorption of nearly 88% and could also enhance the glucose sensitivity by nearly 2 fold, compared to the PBA-functionalized hydrogel film. Therefore, the IPN hydrogel film provides improved antifouling properties and sensitivity of the QCM sensor, which paves the way for non-invasive monitoring of low concentrations of glucose in saliva.
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Affiliation(s)
- Zifeng Zhang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
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Zou Z, Zhang B, Nie X, Cheng Y, Hu Z, Liao M, Li S. A sodium alginate-based sustained-release IPN hydrogel and its applications. RSC Adv 2020; 10:39722-39730. [PMID: 35515393 PMCID: PMC9057473 DOI: 10.1039/d0ra04316h] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 10/19/2020] [Indexed: 12/31/2022] Open
Abstract
Interpenetrating polymer network (IPN) hydrogels are crosslinked by two or more polymer networks, providing free volume space in the three-dimensional network structure, and providing conditions for the sustained and controlled release of drugs. The IPN hydrogels based on the natural polymer sodium alginate can form a stable porous network structure. Due to its excellent biocompatibility, the loaded drug can be sustained to the maximum extent without affecting its pharmacological effect. Sodium alginate-based IPN hydrogels have broad application prospects in the field of sustained and controlled drug release. This paper begins with an overview of the formation of alginate-based IPN hydrogels; summarizes the types of alginate-based IPN hydrogels; and discusses the pharmaceutical applications of alginate-based IPN hydrogels. We aim to give an overview of the research on IPN hydrogels based on sodium alginate in sustained and controlled drug release systems.
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Affiliation(s)
- Zuhao Zou
- Faculty of Chemistry and Environment Science, Guangdong Ocean University Zhanjiang 524088 China
| | - Bijun Zhang
- Faculty of Chemistry and Environment Science, Guangdong Ocean University Zhanjiang 524088 China
| | - Xiaoqin Nie
- Faculty of Chemistry and Environment Science, Guangdong Ocean University Zhanjiang 524088 China
| | - Yu Cheng
- Faculty of Chemistry and Environment Science, Guangdong Ocean University Zhanjiang 524088 China
| | - Zhang Hu
- Faculty of Chemistry and Environment Science, Guangdong Ocean University Zhanjiang 524088 China
| | - Mingneng Liao
- Faculty of Chemistry and Environment Science, Guangdong Ocean University Zhanjiang 524088 China
| | - Sidong Li
- Faculty of Chemistry and Environment Science, Guangdong Ocean University Zhanjiang 524088 China
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Mehrotra D, Dwivedi R, Nandana D, Singh RK. From injectable to 3D printed hydrogels in maxillofacial tissue engineering: A review. J Oral Biol Craniofac Res 2020; 10:680-689. [PMID: 33072505 DOI: 10.1016/j.jobcr.2020.09.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/25/2020] [Accepted: 09/12/2020] [Indexed: 02/06/2023] Open
Abstract
Introduction This review aims at describing different types of hydrogels in context to their composition, fabrication techniques and other specific features along with an insight into the latest advancements including smart hydrogels, 3D printed, programmable, shape memory and self-healing hydrogels for their applicability as scaffold in maxillofacial bone and cartilage tissue regeneration. Methods Electronic database searches were undertaken on PubMed, Ovid, Medline, Embase, ProQuest and science direct for English language literature, published for application of hydrogels in maxillofacial bone and cartilage tissue engineering. The search items used in this article were hydrogel, bone and cartilage tissue engineering, maxillofacial, clinical trials. Reviews and in vitro studies were excluded. Results Search for injectable hydrogel showed 4955 articles, when restricted to bone tissue engineering results were reduced to 463 and for cartilage engineering to 335; when we limited it to maxillofacial bone and cartilage tissue engineering, search results showed 49 articles to which 9 additional articles were included from references, after exclusion of in-vitro studies and duplicates 16 articles were obtained for our study. Similarly, for 3D printed hydrogels, result showed 1126 articles, which got restricted to 19 when searched for maxillofacial bone and cartilage engineering, then 2 additional articles were included directly from references, and finally after exclusion of the invitro studies and duplicates, a total of 5 articles were obtained. Conclusion Modifications in hydrogel can improve the mechanical properties, biocompatibility and unique chemistries for its use in bone and cartilage tissue engineering for future research.
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Affiliation(s)
- Divya Mehrotra
- Professor, Dept of Oral & Maxillofacial Surgery, King George's Medical University, Lucknow, India
| | - Ruby Dwivedi
- Research Student, Dept of Oral & Maxillofacial Surgery, King George's Medical University, Lucknow, India
| | - Deepti Nandana
- Research Student, Dept of Oral & Maxillofacial Surgery, King George's Medical University, Lucknow, India
| | - R K Singh
- Professor, Dept of Oral & Maxillofacial Surgery, King George's Medical University, Lucknow, India
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James J, Thomas GV, Madathil AP, Nambissan PMG, Kalarikkal N, Thomas S. Positron annihilation spectroscopic characterization of free-volume defects and their correlations with the mechanical and transport properties of SBR-PMMA interpenetrating polymer networks. Phys Chem Chem Phys 2020; 22:18169-18182. [PMID: 32766640 DOI: 10.1039/d0cp01417f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of interpenetrating polymer networks (IPNs) and semi-interpenetrating polymer networks (s-IPNs) of styrene butadiene rubber (SBR) and poly(methyl methacrylate) (PMMA) have been synthesized by adopting the sequential interpenetration and in situ polymerization method. The size and the concentration of free volume defects in these systems are monitored and their variations accurately traced using positron annihilation lifetime (PALS) and coincidence Doppler broadening spectroscopic (CDBS) measurements. The morphologies of the IPNs were analyzed with transmission electron microscopy (TEM), scanning electron microscopy (SEM) and atomic force microscopy (AFM). Confocal Raman mapping had been employed to elucidate the mechanism of PMMA interpenetration in the SBR matrix with reference to the blend ratio. The results of free volume analysis lead to the conclusion that the increase of PMMA content in IPN was accompanied by enhancement of interpenetration in the system. Also the morphology changes from dispersed island pattern to a co-continuous one. Besides, the transport parameters and mechanical behavior of IPNs were studied in detail. The results of PALS and CDBS measurements have found to exhibit striking correlations with the sorption, mechanical properties and morphology of the polymer networks. The specific physics involved in the characterization protocol is effectively utilized to explore the chemistry of IPN formation. This new modality of characterization versus composition uplifts and widens the application prospects of elastomer-thermoplastic IPNs.
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Affiliation(s)
- Jose James
- Research and Post-Graduate Department of Chemistry, St. Joseph's College, Moolamattom, Idukki 685591, Kerala, India.
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Cheng W, Ding Z, Zheng X, Lu Q, Kong X, Zhou X, Lu G, Kaplan DL. Injectable hydrogel systems with multiple biophysical and biochemical cues for bone regeneration. Biomater Sci 2020; 8:2537-2548. [PMID: 32215404 PMCID: PMC7204512 DOI: 10.1039/d0bm00104j] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Bone regeneration is a complex process in which angiogenesis and osteogenesis are crucial. Introducing multiple angiogenic and osteogenic cues simultaneously into a single system and tuning these cues to optimize the niche remains a challenge for bone tissue engineering. Herein, based on our injectable biomimetic hydrogels composed of silk nanofibers (SNF) and hydroxyapatite nanoparticles (HA), deferoxamine (DFO) and bone morphogenetic protein-2 (BMP-2) were loaded on SNF and HA to introduce more angiogenic and osteogenic cues. The angiogenesis and osteogenesis capacity of injectable hydrogels could be regulated by tuning the delivery of DFO and BMP-2 independently, resulting in vascularization and bone regeneration in cranial defects. The angiogenesis and osteogenesis outcomes accelerated the regeneration of vascularized bones toward similar composition and structure to natural bones. Therefore, the multiple biophysical and chemical cues provided by the nanofibrous structures, organic-inorganic compositions, and chemical and biochemical angiogenic and osteogenic inducing cues suggest the potential for clinical applicability of these hydrogels in bone tissue engineering.
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Affiliation(s)
- Weinan Cheng
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou 215000, People's Republic of China. and Department of Burns and Plastic Surgery, The Affiliated Hospital of Jiangnan University, Wuxi 214041, People's Republic of China. and Department of Orthopedics, The First Affiliated Hospital of Xiamen University, Xiamen 361000, People's Republic of China
| | - Zhaozhao Ding
- Department of Burns and Plastic Surgery, The Affiliated Hospital of Jiangnan University, Wuxi 214041, People's Republic of China.
| | - Xin Zheng
- Department of Orthopedics, Taizhou Municipal Hospital, Taizhou 318000, People's Republic of China
| | - Qiang Lu
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou 215000, People's Republic of China. and Department of Burns and Plastic Surgery, The Affiliated Hospital of Jiangnan University, Wuxi 214041, People's Republic of China.
| | - Xiangdong Kong
- Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Xiaozhong Zhou
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou 215000, People's Republic of China.
| | - Guozhong Lu
- Department of Burns and Plastic Surgery, The Affiliated Hospital of Jiangnan University, Wuxi 214041, People's Republic of China.
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
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Nguyen PK, Baek K, Deng F, Criscione JD, Tuan RS, Kuo CK. Tendon Tissue-Engineering Scaffolds. Biomater Sci 2020. [DOI: 10.1016/b978-0-12-816137-1.00084-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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38
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Ke X, Dong Z, Tang S, Chu W, Zheng X, Zhen L, Chen X, Ding C, Luo J, Li J. A natural polymer based bioadhesive with self-healing behavior and improved antibacterial properties. Biomater Sci 2020; 8:4346-4357. [PMID: 32601625 DOI: 10.1039/d0bm00624f] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Bioadhesives are of great interest for tissue/wound closure to reduce surgical time, minimize treatment invasiveness, and prevent body fluid leakage.
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39
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Raina N, Rani R, Khan A, Nagpal K, Gupta M. Interpenetrating polymer network as a pioneer drug delivery system: a review. Polym Bull (Berl) 2019. [DOI: 10.1007/s00289-019-02996-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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40
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Affiliation(s)
- Aleksei Solomonov
- Department of Materials and Interfaces Weizmann Institute of Science 7610001 Rehovot Israel
| | - Ulyana Shimanovich
- Department of Materials and Interfaces Weizmann Institute of Science 7610001 Rehovot Israel
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41
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Huang KT, Ishihara K, Huang CJ. Polyelectrolyte and Antipolyelectrolyte Effects for Dual Salt-Responsive Interpenetrating Network Hydrogels. Biomacromolecules 2019; 20:3524-3534. [DOI: 10.1021/acs.biomac.9b00796] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Kang-Ting Huang
- Department of Biomedical Sciences and Engineering, National Central University, Jhong-Li, Taoyuan 320, Taiwan
| | - Kazuhiko Ishihara
- Department of Materials Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Chun-Jen Huang
- Department of Biomedical Sciences and Engineering, National Central University, Jhong-Li, Taoyuan 320, Taiwan
- Department of Chemical and Materials Engineering, National Central University, Jhong-Li, Taoyuan 320, Taiwan
- R&D Center for Membrane Technology, Chung Yuan Christian University, 200 Chung Pei Rd., Chung-Li City 32023, Taiwan
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42
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Jing J, Liang S, Yan Y, Tian X, Li X. Fabrication of Hybrid Hydrogels from Silk Fibroin and Tannic Acid with Enhanced Gelation and Antibacterial Activities. ACS Biomater Sci Eng 2019; 5:4601-4611. [DOI: 10.1021/acsbiomaterials.9b00604] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Juan Jing
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Shufeng Liang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Yufei Yan
- Shanghai Key Laboratory for Bone and Joint Diseases, Shanghai Institute of Orthopaedics and Traumatology, Shanghai Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200025, China
| | - Xin Tian
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Xinming Li
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
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43
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Zhang Y, Chen M, Tian J, Gu P, Cao H, Fan X, Zhang W. In situ bone regeneration enabled by a biodegradable hybrid double-network hydrogel. Biomater Sci 2019; 7:3266-3276. [DOI: 10.1039/c9bm00561g] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The biodegradable hybrid double-network hydrogel for stem cell-enhanced bone regeneration.
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Affiliation(s)
- Yuanhao Zhang
- Shanghai Key Laboratory of Functional Materials Chemistry
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
- People's Republic of China
| | - Mingjiao Chen
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology
- Department of Ophthalmology
- Ninth People's Hospital
- Shanghai Jiao Tong University School of Medicine
- Shanghai 200011
| | - Jia Tian
- Shanghai Key Laboratory of Functional Materials Chemistry
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
- People's Republic of China
| | - Ping Gu
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology
- Department of Ophthalmology
- Ninth People's Hospital
- Shanghai Jiao Tong University School of Medicine
- Shanghai 200011
| | - Hongliang Cao
- Shanghai Key Laboratory of Functional Materials Chemistry
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
- People's Republic of China
| | - Xianqun Fan
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology
- Department of Ophthalmology
- Ninth People's Hospital
- Shanghai Jiao Tong University School of Medicine
- Shanghai 200011
| | - Weian Zhang
- Shanghai Key Laboratory of Functional Materials Chemistry
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
- People's Republic of China
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