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Gu Y, Wang G, Chen X, Xu X, Liu Y, Yang J, Zhang D. Unlocking the Potential of CO 2 Capture: A Synergistic Hybridization Strategy for Polymeric Hydrogels with Tunable Physicochemical Properties. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2402529. [PMID: 38767079 DOI: 10.1002/smll.202402529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/09/2024] [Indexed: 05/22/2024]
Abstract
Unlocking CO2 capture potential remains a complex and challenging endeavor. Here, a blueprint is crafted for optimizing materials through CO2 capture and developing a synergistic hybridization strategy that involves synthesizing CO2-responsive hydrogels by integrating polymeric networks interpenetrated with polyethyleneimine (PEI) chains and inorganic CaCl2. Diverging from conventional CO2 absorbents, which typically serve a singular function in CO2 capture, these hybrid PEAC hydrogels additionally harness its presence to tune their optical and mechanical properties once interacting with CO2. Such synergistic functions entail two significant steps: (i) rapid CO2-fixing through PEI chains to generate abundant carbamic acid and carbamate species and (ii) mineralization via CaCl2 to induce the formation of CaCO3 micro-crystals within the hydrogel matrix. Due to the reversible bonding, the PEAC hydrogels enable the decoupling of CO2 through an acid fumigation treatment or a heating process, achieving dynamic CO2 capture-release cycles up to 8 times. Furthermore, the polyethyleneimine-acrylamide-calcium chloride (PEAC) hydrogel exhibits varying antibacterial attributes and high interfacial adhesive strength, which can be modulated by fine-tuning the compositions of PEI and CaCl2. This versatility underscores the promising potential of PEAC hydrogels, which not only unlocks CO2 capture capabilities but also offers opportunities in diverse biological and biomedical applications.
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Affiliation(s)
- Yucong Gu
- Zhejiang Key Laboratory of Plastic Modification and Processing Technology, College of Materials Science& Engineering, Zhejiang University of Technology, Hangzhou, 310014, P. R. China
| | - Gaopeng Wang
- Zhejiang Key Laboratory of Plastic Modification and Processing Technology, College of Materials Science& Engineering, Zhejiang University of Technology, Hangzhou, 310014, P. R. China
| | - Xuanzhou Chen
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Xiaohan Xu
- School of Polymer Science and Polymer Engineering, The University of Akron, Akron, OH, 44325, USA
| | - Yanghe Liu
- Department of Chemical Engineering, University of Utah, Merrill Engineering, 50 Central Campus Dr, Salt Lake City, UT, 84112, USA
| | - Jintao Yang
- Zhejiang Key Laboratory of Plastic Modification and Processing Technology, College of Materials Science& Engineering, Zhejiang University of Technology, Hangzhou, 310014, P. R. China
| | - Dong Zhang
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA
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Wang K, Xia Z, Yu R, Zhang W, Wang Z, Zhu M, Li R, Hu Z, Chen Z, Xu K, Mu C. Novel Hydrogel Adjuvant of Chinese Medicine External Preparations for Accelerated Healing of Deep Soft Tissue Injuries. ACS Biomater Sci Eng 2024. [PMID: 38597148 DOI: 10.1021/acsbiomaterials.4c00165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
Traditional Chinese medicine external prescriptions have displayed excellent clinical effects for treating deep soft tissue injuries. However, the effects cannot be fully utilized due to the limitations of their dosage forms and usage methods. It is still a challenge to develop a satisfactory adjuvant of traditional Chinese medicine external prescriptions. Herein, a hydrogel adjuvant was prepared based on gallic acid coupled ε-poly-l-lysine and partially oxidized hyaluronic acid. The resulting adjuvant shows great physicochemical properties, low hemolysis rate (still much less than 5% at 5 mg/mL), excellent antibacterial ability (about 95% at 2 mg/mL), strong antioxidant ability (1.687 ± 0.085 mmol FeSO4/(g hydrogel) at 1 mg/mL), as well as outstanding biocompatibility. A clinically used Chinese medicine external preparation was selected as an example to investigate the effectiveness of the adjuvant in treating deep soft tissue injuries. The results show that the prescription can be evenly dispersed in the adjuvant. Moreover, the introduction of the prescription has not significantly changed these advanced properties of the adjuvant. Importantly, the hydrogel adjuvant significantly improves the effectiveness of the prescription in treating deep soft tissue injuries. This work offers an alternative approach to the development of a new-type adjuvant of Chinese medicine external preparations and also provides a new strategy for the combination of traditional Chinese medicine and hydrogel to treat clinical diseases.
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Affiliation(s)
- Kai Wang
- The First Clinical Medical School of Anhui University of Chinese Medicine, Hefei 230038, Anhui, P. R. China
| | - Zuyan Xia
- The First Clinical Medical School of Anhui University of Chinese Medicine, Hefei 230038, Anhui, P. R. China
| | - Rui Yu
- School of Life Sciences, Anhui University of Chinese Medicine, Hefei 230012, Anhui, P. R. China
| | - Wendi Zhang
- College of Acumox and Tuina, Anhui University of Chinese Medicine, Hefei 230012, Anhui, P. R. China
| | - Zijian Wang
- School of Life Sciences, Anhui University of Chinese Medicine, Hefei 230012, Anhui, P. R. China
| | - Minshun Zhu
- The First Clinical Medical School of Anhui University of Chinese Medicine, Hefei 230038, Anhui, P. R. China
| | - Renzhong Li
- The First Clinical Medical School of Anhui University of Chinese Medicine, Hefei 230038, Anhui, P. R. China
| | - Zhimu Hu
- The First Clinical Medical School of Anhui University of Chinese Medicine, Hefei 230038, Anhui, P. R. China
| | - Zhaohui Chen
- College of Acumox and Tuina, Anhui University of Chinese Medicine, Hefei 230012, Anhui, P. R. China
| | - Kui Xu
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei 230038, Anhui, P. R. China
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, Anhui, P. R. China
| | - Caiyun Mu
- College of Acumox and Tuina, Anhui University of Chinese Medicine, Hefei 230012, Anhui, P. R. China
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Yang Y, Yang Y, Hou Z, Wang T, Wu P, Shen L, Li P, Zhang K, Yang L, Sun S. Comprehensive review of materials, applications, and future innovations in biodegradable esophageal stents. Front Bioeng Biotechnol 2023; 11:1327517. [PMID: 38125305 PMCID: PMC10731276 DOI: 10.3389/fbioe.2023.1327517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 11/27/2023] [Indexed: 12/23/2023] Open
Abstract
Esophageal stricture (ES) results from benign and malignant conditions, such as uncontrolled gastroesophageal reflux disease (GERD) and esophageal neoplasms. Upper gastrointestinal endoscopy is the preferred diagnostic approach for ES and its underlying causes. Stent insertion using an endoscope is a prevalent method for alleviating or treating ES. Nevertheless, the widely used self-expandable metal stents (SEMS) and self-expandable plastic stents (SEPS) can result in complications such as migration and restenosis. Furthermore, they necessitate secondary extraction in cases of benign esophageal stricture (BES), rendering them unsatisfactory for clinical requirements. Over the past 3 decades, significant attention has been devoted to biodegradable materials, including synthetic polyester polymers and magnesium-based alloys, owing to their exceptional biocompatibility and biodegradability while addressing the challenges associated with recurring procedures after BES resolves. Novel esophageal stents have been developed and are undergoing experimental and clinical trials. Drug-eluting stents (DES) with drug-loading and drug-releasing capabilities are currently a research focal point, offering more efficient and precise ES treatments. Functional innovations have been investigated to optimize stent performance, including unidirectional drug-release and anti-migration features. Emerging manufacturing technologies such as three-dimensional (3D) printing and new biodegradable materials such as hydrogels have also contributed to the innovation of esophageal stents. The ultimate objective of the research and development of these materials is their clinical application in the treatment of ES and other benign conditions and the palliative treatment of malignant esophageal stricture (MES). This review aimed to offer a comprehensive overview of current biodegradable esophageal stent materials and their applications, highlight current research limitations and innovations, and offer insights into future development priorities and directions.
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Affiliation(s)
- Yaochen Yang
- Department of Gastroenterology, Endoscopic Center, Engineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic Techniques, Shengjing Hospital of China Medical University, Shenyang, China
- Research Center for Biomedical Materials, Engineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic Techniques, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yuanyuan Yang
- Department of Gastroenterology, Endoscopic Center, Engineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic Techniques, Shengjing Hospital of China Medical University, Shenyang, China
| | - Zhipeng Hou
- Research Center for Biomedical Materials, Engineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic Techniques, Shengjing Hospital of China Medical University, Shenyang, China
| | - Tingting Wang
- Department of Gastroenterology, Endoscopic Center, Engineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic Techniques, Shengjing Hospital of China Medical University, Shenyang, China
| | - Peng Wu
- Department of Gastroenterology, Endoscopic Center, Engineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic Techniques, Shengjing Hospital of China Medical University, Shenyang, China
| | - Lufan Shen
- Department of Gastroenterology, Endoscopic Center, Engineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic Techniques, Shengjing Hospital of China Medical University, Shenyang, China
| | - Peng Li
- Liaoning Research Institute for Eugenic Birth and Fertility, China Medical University, Shenyang, China
| | - Kai Zhang
- Department of Gastroenterology, Endoscopic Center, Engineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic Techniques, Shengjing Hospital of China Medical University, Shenyang, China
| | - Liqun Yang
- Research Center for Biomedical Materials, Engineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic Techniques, Shengjing Hospital of China Medical University, Shenyang, China
- Liaoning Research Institute for Eugenic Birth and Fertility, China Medical University, Shenyang, China
| | - Siyu Sun
- Department of Gastroenterology, Endoscopic Center, Engineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic Techniques, Shengjing Hospital of China Medical University, Shenyang, China
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Wei H, Luo Y, Ma R, Li Y. Three-Dimensional Printing Multi-Drug Delivery Core/Shell Fiber Systems with Designed Release Capability. Pharmaceutics 2023; 15:2336. [PMID: 37765304 PMCID: PMC10538183 DOI: 10.3390/pharmaceutics15092336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/07/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
A hydrogel system with the ability to control the delivery of multiple drugs has gained increasing interest for localized disease treatment and tissue engineering applications. In this study, a triple-drug-loaded model based on a core/shell fiber system (CFS) was fabricated through the co-axial 3D printing of hydrogel inks. A CFS with drug 1 loaded in the core, drug 2 in the shell part, and drug 3 in the hollow channel of the CFS was printed on a rotating collector using a co-axial nozzle. Doxorubicin (DOX), as the model drug, was selected to load in the core, with the shell and channel part of the CFS represented as drugs 1, 2, and 3, respectively. Drug 2 achieved the fastest release, while drug 3 showed the slowest release, which indicated that the three types of drugs printed on the CFS spatially can achieve sequential triple-drug release. Moreover, the release rate and sustained duration of each drug could be controlled by the unique core/shell helical structure, the concentration of alginate gels, the cross-linking density, the size and number of the open orifices in the fibers, and the CFS. Additionally, a near-infrared (NIR) laser or pH-responsive drug release could also be realized by introducing photo-thermal materials or a pH-sensitive polymer into this system. Finally, the drug-loaded system showed effective localized cancer therapy in vitro and in vivo. Therefore, this prepared CFS showed the potential application for disease treatment and tissue engineering by sequential- or stimulus-responsively releasing multi-drugs.
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Affiliation(s)
- Hao Wei
- Marshall Laboratory of Biomedical Engineering, Shenzhen University, Shenzhen 518060, China; (H.W.); (Y.L.)
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, Department of Biomedical Engineering, Shenzhen University Medical School, Shenzhen 518055, China;
| | - Yongxiang Luo
- Marshall Laboratory of Biomedical Engineering, Shenzhen University, Shenzhen 518060, China; (H.W.); (Y.L.)
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, Department of Biomedical Engineering, Shenzhen University Medical School, Shenzhen 518055, China;
| | - Ruisen Ma
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, Department of Biomedical Engineering, Shenzhen University Medical School, Shenzhen 518055, China;
| | - Yuxiao Li
- College of Biological and Chemical Engineering, Qilu Institute of Technology, Jinan 250200, China
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5
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Tang Y, Xu H, Wang X, Dong S, Guo L, Zhang S, Yang X, Liu C, Jiang X, Kan M, Wu S, Zhang J, Xu C. Advances in preparation and application of antibacterial hydrogels. J Nanobiotechnology 2023; 21:300. [PMID: 37633883 PMCID: PMC10463510 DOI: 10.1186/s12951-023-02025-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 07/24/2023] [Indexed: 08/28/2023] Open
Abstract
Bacterial infections, especially those caused by drug-resistant bacteria, have seriously threatened human life and health. There is urgent to develop new antibacterial agents to reduce the problem of antibiotics. Biomedical materials with good antimicrobial properties have been widely used in antibacterial applications. Among them, hydrogels have become the focus of research in the field of biomedical materials due to their unique three-dimensional network structure, high hydrophilicity, and good biocompatibility. In this review, the latest research progresses about hydrogels in recent years were summarized, mainly including the preparation methods of hydrogels and their antibacterial applications. According to their different antibacterial mechanisms, several representative antibacterial hydrogels were introduced, such as antibiotics loaded hydrogels, antibiotic-free hydrogels including metal-based hydrogels, antibacterial peptide and antibacterial polymers, stimuli-responsive smart hydrogels, and light-mediated hydrogels. In addition, we also discussed the applications and challenges of antibacterial hydrogels in biomedicine, which are expected to provide new directions and ideas for the application of hydrogels in clinical antibacterial therapy.
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Affiliation(s)
- Yixin Tang
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021 Jilin China
| | - Huiqing Xu
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021 Jilin China
| | - Xue Wang
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021 Jilin China
| | - Shuhan Dong
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021 Jilin China
- Department of Preventive Medicine, School of Public Health, Jilin University, Changchun, 130021 Jilin China
| | - Lei Guo
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021 Jilin China
| | - Shichen Zhang
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021 Jilin China
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Jilin University, Changchun, 130021 Jilin China
| | - Xi Yang
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021 Jilin China
| | - Chang Liu
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021 Jilin China
| | - Xin Jiang
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021 Jilin China
| | - Mujie Kan
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021 Jilin China
| | - Shanli Wu
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021 Jilin China
| | - Jizhou Zhang
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021 Jilin China
| | - Caina Xu
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021 Jilin China
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6
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Zheng H, Zhou Y, Zheng Y, Liu G. Advances in hydrogels for the treatment of periodontitis. J Mater Chem B 2023; 11:7321-7333. [PMID: 37431231 DOI: 10.1039/d3tb00835e] [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: 07/12/2023]
Abstract
Periodontitis is the second most prevalent oral disease and can cause serious harm to human health. Hydrogels are excellent biomaterials that can be used for periodontitis as drug delivery platforms to achieve inflammation control through high drug delivery efficiency and sustained drug release and as tissue scaffolds to achieve tissue remodelling through encapsulated cell wrapping and effective mass transfer. In this review, we summarize the latest advances in the treatment of periodontitis with hydrogels. The pathogenic mechanisms of periodontitis are introduced first, followed by the recent progress of hydrogels in controlling inflammation and tissue reconstruction, in which the specific performance of hydrogels is discussed in detail. Finally, the challenges and limitations of hydrogels for clinical applications in periodontitis are discussed and possible directions for development are proposed. This review aims to provide a reference for the design and fabrication of hydrogels for the treatment of periodontitis.
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Affiliation(s)
- Huiyu Zheng
- The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China.
| | - Yuan Zhou
- The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China.
| | - Yu Zheng
- The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China.
| | - Guiting Liu
- The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China.
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7
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Zhao H, Liu C, Liu Y, Ding Q, Wang T, Li H, Wu H, Ma T. Harnessing electromagnetic fields to assist bone tissue engineering. Stem Cell Res Ther 2023; 14:7. [PMID: 36631880 PMCID: PMC9835389 DOI: 10.1186/s13287-022-03217-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 12/08/2022] [Indexed: 01/13/2023] Open
Abstract
Bone tissue engineering (BTE) emerged as one of the exceptional means for bone defects owing to it providing mechanical supports to guide bone tissue regeneration. Great advances have been made to facilitate the success of BTE in regenerating bone within defects. The use of externally applied fields has been regarded as an alternative strategy for BTE. Electromagnetic fields (EMFs), known as a simple and non-invasive therapy, can remotely provide electric and magnetic stimulation to cells and biomaterials, thus applying EMFs to assist BTE would be a promising strategy for bone regeneration. When combined with BTE, EMFs improve cell adhesion to the material surface by promoting protein adsorption. Additionally, EMFs have positive effects on mesenchymal stem cells and show capabilities of pro-angiogenesis and macrophage polarization manipulation. These advantages of EMFs indicate that it is perfectly suitable for representing the adjuvant treatment of BTE. We also summarize studies concerning combinations of EMFs and diverse biomaterial types. The strategy of combining EMFs and BTE receives encouraging outcomes and holds a promising future for effectively treating bone defects.
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Affiliation(s)
- Hongqi Zhao
- grid.33199.310000 0004 0368 7223Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 Hubei China
| | - Chaoxu Liu
- grid.33199.310000 0004 0368 7223Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 Hubei China
| | - Yang Liu
- grid.33199.310000 0004 0368 7223Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 Hubei China
| | - Qing Ding
- grid.33199.310000 0004 0368 7223Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 Hubei China
| | - Tianqi Wang
- grid.33199.310000 0004 0368 7223Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 Hubei China
| | - Hao Li
- grid.33199.310000 0004 0368 7223Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 Hubei China
| | - Hua Wu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.
| | - Tian Ma
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.
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Yang P, Ju Y, Hu Y, Xie X, Fang B, Lei L. Emerging 3D bioprinting applications in plastic surgery. Biomater Res 2023; 27:1. [PMID: 36597149 PMCID: PMC9808966 DOI: 10.1186/s40824-022-00338-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 12/14/2022] [Indexed: 01/04/2023] Open
Abstract
Plastic surgery is a discipline that uses surgical methods or tissue transplantation to repair, reconstruct and beautify the defects and deformities of human tissues and organs. Three-dimensional (3D) bioprinting has gained widespread attention because it enables fine customization of the implants in the patient's surgical area preoperatively while avoiding some of the adverse reactions and complications of traditional surgical approaches. In this paper, we review the recent research advances in the application of 3D bioprinting in plastic surgery. We first introduce the printing process and basic principles of 3D bioprinting technology, revealing the advantages and disadvantages of different bioprinting technologies. Then, we describe the currently available bioprinting materials, and dissect the rationale for special dynamic 3D bioprinting (4D bioprinting) that is achieved by varying the combination strategy of bioprinting materials. Later, we focus on the viable clinical applications and effects of 3D bioprinting in plastic surgery. Finally, we summarize and discuss the challenges and prospects for the application of 3D bioprinting in plastic surgery. We believe that this review can contribute to further development of 3D bioprinting in plastic surgery and provide lessons for related research.
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Affiliation(s)
- Pu Yang
- grid.452708.c0000 0004 1803 0208Department of Plastic and Aesthetic (Burn) Surgery, The Second Xiangya Hospital, Central South University, Changsha, 410011 People’s Republic of China
| | - Yikun Ju
- grid.452708.c0000 0004 1803 0208Department of Plastic and Aesthetic (Burn) Surgery, The Second Xiangya Hospital, Central South University, Changsha, 410011 People’s Republic of China
| | - Yue Hu
- grid.449525.b0000 0004 1798 4472School of Clinical Medicine, North Sichuan Medical College, Nanchong, 637000 People’s Republic of China
| | - Xiaoyan Xie
- grid.452708.c0000 0004 1803 0208Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011 People’s Republic of China
| | - Bairong Fang
- grid.452708.c0000 0004 1803 0208Department of Plastic and Aesthetic (Burn) Surgery, The Second Xiangya Hospital, Central South University, Changsha, 410011 People’s Republic of China
| | - Lanjie Lei
- grid.263826.b0000 0004 1761 0489School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096 People’s Republic of China
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9
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Fang H, Zhu D, Yang Q, Chen Y, Zhang C, Gao J, Gao Y. Emerging zero-dimensional to four-dimensional biomaterials for bone regeneration. J Nanobiotechnology 2022; 20:26. [PMID: 34991600 PMCID: PMC8740479 DOI: 10.1186/s12951-021-01228-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 12/26/2021] [Indexed: 12/17/2022] Open
Abstract
Bone is one of the most sophisticated and dynamic tissues in the human body, and is characterized by its remarkable potential for regeneration. In most cases, bone has the capacity to be restored to its original form with homeostatic functionality after injury without any remaining scarring. Throughout the fascinating processes of bone regeneration, a plethora of cell lineages and signaling molecules, together with the extracellular matrix, are precisely regulated at multiple length and time scales. However, conditions, such as delayed unions (or nonunion) and critical-sized bone defects, represent thorny challenges for orthopedic surgeons. During recent decades, a variety of novel biomaterials have been designed to mimic the organic and inorganic structure of the bone microenvironment, which have tremendously promoted and accelerated bone healing throughout different stages of bone regeneration. Advances in tissue engineering endowed bone scaffolds with phenomenal osteoconductivity, osteoinductivity, vascularization and neurotization effects as well as alluring properties, such as antibacterial effects. According to the dimensional structure and functional mechanism, these biomaterials are categorized as zero-dimensional, one-dimensional, two-dimensional, three-dimensional, and four-dimensional biomaterials. In this review, we comprehensively summarized the astounding advances in emerging biomaterials for bone regeneration by categorizing them as zero-dimensional to four-dimensional biomaterials, which were further elucidated by typical examples. Hopefully, this review will provide some inspiration for the future design of biomaterials for bone tissue engineering.
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Affiliation(s)
- Haoyu Fang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Daoyu Zhu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Qianhao Yang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yixuan Chen
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Changqing Zhang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
| | - Junjie Gao
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
- Ningbo Institute of Life and Health Industry, University of Chinese Academy of Science, Ningbo, Zhejiang, China.
| | - Youshui Gao
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
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10
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Lin KT, Wang A, Nguyen AB, Iyer J, Tran SD. Recent Advances in Hydrogels: Ophthalmic Applications in Cell Delivery, Vitreous Substitutes, and Ocular Adhesives. Biomedicines 2021; 9:1203. [PMID: 34572389 PMCID: PMC8471559 DOI: 10.3390/biomedicines9091203] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 09/06/2021] [Accepted: 09/09/2021] [Indexed: 11/17/2022] Open
Abstract
With the prevalence of eye diseases, such as cataracts, retinal degenerative diseases, and glaucoma, different treatments including lens replacement, vitrectomy, and stem cell transplantation have been developed; however, they are not without their respective shortcomings. For example, current methods to seal corneal incisions induced by cataract surgery, such as suturing and stromal hydration, are less than ideal due to the potential for surgically induced astigmatism or wound leakage. Vitrectomy performed on patients with diabetic retinopathy requires an artificial vitreous substitute, with current offerings having many shortcomings such as retinal toxicity. The use of stem cells has also been investigated in retinal degenerative diseases; however, an optimal delivery system is required for successful transplantation. The incorporation of hydrogels into ocular therapy has been a critical focus in overcoming the limitations of current treatments. Previous reviews have extensively documented the use of hydrogels in drug delivery; thus, the goal of this review is to discuss recent advances in hydrogel technology in surgical applications, including dendrimer and gelatin-based hydrogels for ocular adhesives and a variety of different polymers for vitreous substitutes, as well as recent advances in hydrogel-based retinal pigment epithelium (RPE) and retinal progenitor cell (RPC) delivery to the retina.
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Affiliation(s)
| | | | | | | | - Simon D. Tran
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada; (K.T.L.); (A.W.); (A.B.N.); (J.I.)
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11
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Duan W, Bian X, Bu Y. Applications of Bioadhesives: A Mini Review. Front Bioeng Biotechnol 2021; 9:716035. [PMID: 34540814 PMCID: PMC8446440 DOI: 10.3389/fbioe.2021.716035] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 07/22/2021] [Indexed: 11/13/2022] Open
Abstract
Bioadhesives have demonstrated their superiority in clinical applications as tissue adhesives, hemostats, and tissue sealants. Because of the intrinsic stickiness, the applications have been expanded to various areas, such as functional wound dressing, factor delivery vehicles, and even medical device fixation. While many literature works discussed the mechanism of bioadhesives, few of them specifically summarized the applications of bioadhesives. To fill in the blanks, this review covers recent research articles and focuses precisely on the applications of bioadhesives which can be generally classified as follows: 1) wound closure, 2) sealing leakage, and 3) immobilization, including those already in the clinic and those showing great potential in the clinic. It is expected that this article will provide a whole picture on bioadhesives' applications and lead to innovations in the application of bioadhesives in new fields.
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Affiliation(s)
- Wanglin Duan
- Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Institute of Medical Engineering, Xi’an Jiaotong University, Xi’an, China
| | - Xiangbing Bian
- The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yazhong Bu
- Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Institute of Medical Engineering, Xi’an Jiaotong University, Xi’an, China
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12
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Li X, Yang Z, Fang L, Ma C, Zhao Y, Liu H, Che S, Zvyagin AV, Yang B, Lin Q. Hydrogel Composites with Different Dimensional Nanoparticles for Bone Regeneration. Macromol Rapid Commun 2021; 42:e2100362. [PMID: 34435714 DOI: 10.1002/marc.202100362] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 08/23/2021] [Indexed: 12/14/2022]
Abstract
The treatment of large segmental bone defects and complex types of fractures caused by trauma, inflammation, or tumor resection is still a challenge in the field of orthopedics. Various natural or synthetic biological materials used in clinical applications cannot fully replicate the structure and performance of raw bone. This highlights how to endow materials with multiple functions and biological properties, which is a problem that needs to be solved in practical applications. Hydrogels with outstanding biocompatibility, for their casting into any shape, size, or form, are suitable for different forms of bone defects. Therefore, they have been used in regenerative medicine more widely. In this review, versatile hydrogels are compounded with nanoparticles of different dimensions, and many desirable features of these materials in bone regeneration are introduced, including drug delivery, cell factor vehicle, cell scaffolds, which have potential in bone regeneration applications. The combination of hydrogels and nanoparticles of different dimensions encourages better filling of bone defect areas and has higher adaptability. This is due to the minimally invasive properties of the material and ability to match irregular defects. These biological characteristics make composite hydrogels with different dimensional nanoparticles become one of the most attractive options for bone regeneration materials.
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Affiliation(s)
- Xingchen Li
- State Key Laboratory of Supramolecular Structure and Material, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Zhe Yang
- State Key Laboratory of Supramolecular Structure and Material, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Linan Fang
- Department of Thoracic Surgery, the First Hospital of Jilin University, Changchun, 130000, China
| | - Chengyuan Ma
- Department of Neurosurgery, the First Hospital of Jilin University, Changchun, 130021, China
| | - Yue Zhao
- State Key Laboratory of Supramolecular Structure and Material, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Hou Liu
- State Key Laboratory of Supramolecular Structure and Material, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Songtian Che
- Department of Ocular Fundus Disease, the Second Hospital of Jilin University, Changchun, 130022, China
| | - Andrei V Zvyagin
- Australian Research Council Centre of Excellence for Nanoscale Biophotonics, Macquarie University, Sydney, NSW, 2109, Australia
| | - Bai Yang
- State Key Laboratory of Supramolecular Structure and Material, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Quan Lin
- State Key Laboratory of Supramolecular Structure and Material, College of Chemistry, Jilin University, Changchun, 130012, China
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13
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Wang J, Wang L, Gao Y, Zhang Z, Huang X, Han T, Liu B, Zhang Y, Li Y, Zhang L. Synergistic Therapy of Celecoxib-Loaded Magnetism-Responsive Hydrogel for Tendon Tissue Injuries. Front Bioeng Biotechnol 2020; 8:592068. [PMID: 33330423 PMCID: PMC7729092 DOI: 10.3389/fbioe.2020.592068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 10/12/2020] [Indexed: 11/13/2022] Open
Abstract
Tendon tissue injury is very common and always associated with pain, tissue swelling and even malformation if not treated on time. Traditional therapeutic strategies, such as cryotherapy, electrical therapy, ultrasound therapy and anti-inflammatory drug, are still unsatisfying. In this work, a synergistic therapy, based on the combination of celecoxib drug and pulsed electromagnetic field (PEMF) regimens, was developed for the treatment of tendon injury. This celecoxib-loaded magnetism-responsive hydrogel dressing (gelatin/Fe3O4/celecoxib) showed good biocompatibility and coordinated drug release behavior under the PEMF, which could effectively reduce the inflammatory reaction of macrophage cells with the incremental proportion of M2 macrophages at the injury site. CatWalk gait analysis further verified this synergistic effect of combination therapy for achieving the outstanding recovery of the injured tendon tissue. Thus, this magnetism-responsive hydrogel may represent a promising alternative strategy in clinics for promoting tendon healing.
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Affiliation(s)
- Jingxin Wang
- Department of Rehabilitation, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Likang Wang
- Department of Rehabilitation Medicine, The Third Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Yueming Gao
- Department of Rehabilitation Medicine, The Second Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Zhao Zhang
- Graduate School, Chinese PLA General Hospital, Beijing, China
| | - Xiaofeng Huang
- Department of Endocrinology, The Second Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Tong Han
- Department of Rehabilitation, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Biyuan Liu
- Department of Rehabilitation, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Yujie Zhang
- Department of Epidemiology, School of Public Health Southern Medical University, Guangzhou, China
| | - Yilan Li
- Department of Rehabilitation, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Lining Zhang
- Department of Rehabilitation Medicine, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
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14
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Su T, Zhang M, Zeng Q, Pan W, Huang Y, Qian Y, Dong W, Qi X, Shen J. Mussel-inspired agarose hydrogel scaffolds for skin tissue engineering. Bioact Mater 2020; 6:579-588. [PMID: 33005823 PMCID: PMC7509181 DOI: 10.1016/j.bioactmat.2020.09.004] [Citation(s) in RCA: 102] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 08/31/2020] [Accepted: 09/07/2020] [Indexed: 02/07/2023] Open
Abstract
Polysaccharide hydrogels are widely used in tissue engineering because of their superior biocompatibility and low immunogenicity. However, many of these hydrogels are unrealistic for practical applications as the cost of raw materials is high, and the fabrication steps are tedious. This study focuses on the facile fabrication and optimization of agarose-polydopamine hydrogel (APG) scaffolds for skin wound healing. The first study objective was to evaluate the effects of polydopamine (PDA) on the mechanical properties, water holding capacity and cell adhesiveness of APG. We observed that APG showed decreased rigidity and increased water content with the addition of PDA. Most importantly, decreased rigidity translated into significant increase in cell adhesiveness. Next, the slow biodegradability and high biocompatibility of APG with the highest PDA content (APG3) was confirmed. In addition, APG3 promoted full-thickness skin defect healing by accelerating collagen deposition and promoting angiogenesis. Altogether, we have developed a straightforward and efficient strategy to construct functional APG scaffold for skin tissue engineering, which has translation potentials in clinical practice. Agarose-polydopamine hydrogel scaffold was developed via a simple two-step approach. In vitro and in vivo experiments show that the scaffold holds biocompatibility and biodegradability. The cell migration rate on the scaffold is high and cells can migrate from the surface to the inside of scaffold. The scaffold can facilitate wound healing by promoting collagen deposition and angiogenesis.
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Affiliation(s)
- Ting Su
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, 325027, China.,Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China.,School of Chemistry & Materials Engineering, Fuyang Normal University, Fuyang, 236037, China.,School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing, 210094, China
| | - Mengying Zhang
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China
| | - Qiankun Zeng
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China
| | - Wenhao Pan
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, 325027, China.,Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China
| | - Yijing Huang
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing, 210094, China
| | - Yuna Qian
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China
| | - Wei Dong
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing, 210094, China
| | - Xiaoliang Qi
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, 325027, China.,Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China
| | - Jianliang Shen
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, 325027, China.,Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China
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15
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Cao Z, Luo Y, Li Z, Tan L, Liu X, Li C, Zheng Y, Cui Z, Yeung KWK, Liang Y, Zhu S, Wu S. Antibacterial Hybrid Hydrogels. Macromol Biosci 2020; 21:e2000252. [PMID: 32881309 DOI: 10.1002/mabi.202000252] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 08/16/2020] [Indexed: 12/11/2022]
Abstract
Bacterial infectious diseases and bacterial-infected environments have been threatening the health of human beings all over the world. In view of the increased bacteria resistance caused by overuse or improper use of antibiotics, antibacterial biomaterials are developed as the substitutes for antibiotics in some cases. Among them, antibacterial hydrogels are attracting more and more attention due to easy preparation process and diversity of structures by changing their chemical cross-linkers via covalent bonds or noncovalent physical interactions, which can endow them with various specific functions such as high toughness and stretchability, injectability, self-healing, tissue adhesiveness and rapid hemostasis, easy loading and controlled drug release, superior biocompatibility and antioxidation as well as good conductivity. In this review, the recent progress of antibacterial hydrogel including the fabrication methodologies, interior structures, performances, antibacterial mechanisms, and applications of various antibacterial hydrogels is summarized. According to the bacteria-killing modes of hydrogels, several representative hydrogels such as silver nanoparticles-based hydrogel, photoresponsive hydrogel including photothermal and photocatalytic, self-bacteria-killing hydrogel such as inherent antibacterial peptides and cationic polymers, and antibiotics-loading hydrogel are focused on. Furthermore, current challenges of antibacterial hydrogels are discussed and future perspectives in this field are also proposed.
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Affiliation(s)
- Zhongming Cao
- Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Wuhan, 430062, China
| | - Yue Luo
- Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Wuhan, 430062, China
| | - Zhaoyang Li
- School of Materials Science and Engineering, The Key Laboratory of Advanced Ceramics and Machining Technology by the Ministry of Education of China, Tianjin University, Tianjin, 300072, China
| | - Lei Tan
- Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Wuhan, 430062, China
| | - Xiangmei Liu
- Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Wuhan, 430062, China
| | - Changyi Li
- Stomatological Hospital, Tianjin Medical University, Tianjin, 300070, China
| | - Yufeng Zheng
- College of Engineering, State Key Laboratory for Turbulence and Complex System, Department of Materials Science and Engineering, Peking University, Beijing, 100871, China
| | - Zhenduo Cui
- School of Materials Science and Engineering, The Key Laboratory of Advanced Ceramics and Machining Technology by the Ministry of Education of China, Tianjin University, Tianjin, 300072, China
| | - Kelvin Wai Kwok Yeung
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, 999077, China
| | - Yanqin Liang
- School of Materials Science and Engineering, The Key Laboratory of Advanced Ceramics and Machining Technology by the Ministry of Education of China, Tianjin University, Tianjin, 300072, China
| | - Shengli Zhu
- School of Materials Science and Engineering, The Key Laboratory of Advanced Ceramics and Machining Technology by the Ministry of Education of China, Tianjin University, Tianjin, 300072, China
| | - Shuilin Wu
- School of Materials Science and Engineering, The Key Laboratory of Advanced Ceramics and Machining Technology by the Ministry of Education of China, Tianjin University, Tianjin, 300072, China
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16
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Mutlu S, Yılmaz E. The Effect of Soft Tissue Injury Cold Application Duration on Symptoms, Edema, Joint Mobility, and Patient Satisfaction: A Randomized Controlled Trial. J Emerg Nurs 2020; 46:449-459. [PMID: 32340738 DOI: 10.1016/j.jen.2020.02.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 02/26/2020] [Accepted: 02/27/2020] [Indexed: 01/12/2023]
Abstract
INTRODUCTION The aim of this study was to determine the effect of cold application time on symptoms, edema, and patient satisfaction in soft tissue injuries. METHODS A randomized controlled trial was conducted with 105 patients who were treated with cold applications of different durations (10, 20, and 30 minutes). Interview-assisted data were collected on symptoms and patient satisfaction. Edema and range of motion were objectively measured in patients with an ankle injury. Data were analyzed using repeated-measures analysis of variance. RESULTS Pain reduction was greatest in the 20 minutes of cold application group (F = 46.35, P < 0.05). Symptoms of discomfort such as tingling (F = 65.93, P < 0.05), redness (F = 61.95, P < 0.05), itching (F = 36.49, P < 0.05), numbness (F = 57.94, P < 0.05), and burning (F = 55.40, P < 0.05) were more frequent in the group with 30 minutes of cold application. Both joint mobility (F = 45.28, P < 0.05) and patient satisfaction (F = 130.99, P < 0.05) were the highest in the group with 20 minutes of cold application. DISCUSSION Our findings suggest that a duration of 20 minutes for cold application for a soft tissue ankle injury is recommended to maximize pain control, joint mobility, and patient satisfaction while decreasing other symptoms of discomfort.
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17
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Ramos T, Moroni L. Tissue Engineering and Regenerative Medicine 2019: The Role of Biofabrication-A Year in Review. Tissue Eng Part C Methods 2020; 26:91-106. [PMID: 31856696 DOI: 10.1089/ten.tec.2019.0344] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Despite its relative youth, biofabrication is unceasingly expanding by assimilating the contributions from various disciplinary areas and their technological advances. Those developments have spawned the range of available options to produce structures with complex geometries while accurately manipulating and controlling cell behavior. As it evolves, biofabrication impacts other research fields, allowing the fabrication of tissue models of increased complexity that more closely resemble the dynamics of living tissue. The recent blooming and evolutions in biofabrication have opened new windows and perspectives that could aid the translational struggle in tissue engineering and regenerative medicine (TERM) applications. Based on similar methodologies applied in past years' reviews, we identified the most high-impact publications and reviewed the major concepts, findings, and research outcomes in the context of advancement beyond the state-of-the-art in the field. We first aim to clarify the confusion in terminology and concepts in biofabrication to therefore introduce the striking evolutions in three-dimensional and four-dimensional bioprinting of tissues. We conclude with a short discussion on the future outlooks for innovation that biofabrication could bring to TERM research.
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Affiliation(s)
- Tiago Ramos
- Institute of Ophthalmology, University College of London, London, United Kingdom
| | - Lorenzo Moroni
- Complex Tissue Regeneration Department, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, the Netherlands
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18
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Wan Z, Zhang P, Liu Y, Lv L, Zhou Y. Four-dimensional bioprinting: Current developments and applications in bone tissue engineering. Acta Biomater 2020; 101:26-42. [PMID: 31672585 DOI: 10.1016/j.actbio.2019.10.038] [Citation(s) in RCA: 140] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 10/20/2019] [Accepted: 10/25/2019] [Indexed: 12/21/2022]
Abstract
Four-dimensional (4D) bioprinting, in which the concept of time is integrated with three-dimensional (3D) bioprinting as the fourth dimension, has currently emerged as the next-generation solution of tissue engineering as it presents the possibility of constructing complex, functional structures. 4D bioprinting can be used to fabricate dynamic 3D-patterned biological architectures that will change their shapes under various stimuli by employing stimuli-responsive materials. The functional transformation and maturation of printed cell-laden constructs over time are also regarded as 4D bioprinting, providing unprecedented potential for bone tissue engineering. The shape memory properties of printed structures cater to the need for personalized bone defect repair and the functional maturation procedures promote the osteogenic differentiation of stem cells. In this review, we introduce the application of different stimuli-responsive biomaterials in tissue engineering and a series of 4D bioprinting strategies based on functional transformation of printed structures. Furthermore, we discuss the application of 4D bioprinting in bone tissue engineering, as well as the current challenges and future perspectives. STATEMENTS OF SIGNIFICANCE: In this review, we have demonstrated the 4D bioprinting technologies, which integrate the concept of time within the traditional 3D bioprinting technology as the fourth dimension and facilitate the fabrications of complex, functional biological architectures. These 4D bioprinting structures could go through shape or functional transformation over time via using different stimuli-responsive biomaterials and a series of 4D bioprinting strategies. Moreover, by summarizing potential applications of 4D bioprinting in the field of bone tissue engineering, these emerging technologies could fulfill unaddressed medical requirements. The further discussions about future challenges and perspectives will give us more inspirations about widespread applications of this emerging technology for tissue engineering in biomedical field.
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Affiliation(s)
- Zhuqing Wan
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, National Clinical Research Center for Oral Diseases, Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, PR China
| | - Ping Zhang
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, National Clinical Research Center for Oral Diseases, Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, PR China
| | - Yunsong Liu
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, National Clinical Research Center for Oral Diseases, Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, PR China
| | - Longwei Lv
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, National Clinical Research Center for Oral Diseases, Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, PR China.
| | - Yongsheng Zhou
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, National Clinical Research Center for Oral Diseases, Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing 100081, PR China.
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19
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Gao Y, Zong S, Huang Y, Yang N, Wen H, Jiang J, Duan J. Preparation and properties of a highly elastic galactomannan- poly(acrylamide- N, N-bis (acryloyl) cysteamine) hydrogel with reductive stimuli-responsive degradable properties. Carbohydr Polym 2019; 231:115690. [PMID: 31888814 DOI: 10.1016/j.carbpol.2019.115690] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 10/19/2019] [Accepted: 11/27/2019] [Indexed: 12/27/2022]
Abstract
An oxidation-reduction responsive degradable highly elastic galactomannan hydrogel was synthesized from galactomannan (GA), N,N-bis (acryloyl) cysteamine (BAC) and acrylamide by grafting polymerization in aqueous solution. The microstructure, degradability and mechanical properties of the hydrogels were emphatically investigated using Fourier transform infrared spectroscopy (FTIR), scanning electron microscope (SEM), ultraviolet spectroscopy and differential scanning calorimetry (DSC). The mechanical properties of hydrogels can be improved by adjusting the content of GA. Continuous cyclic compression tests showed that the hydrogel did not rupture under 60 %,70 %,80 % strain and quickly recovered to its original shape. The degradation rate and drug release rate of hydrogel can be adjusted by the concentration of the reductant and the reduction time. These hydrogels broaden the scope of application of GA and can be tuned with a broad range of mechanical, degradation and release properties and therefore hold potential applications in drug carriers, tissue engineering scaffolds, extracellular matrix and other fields.
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Affiliation(s)
- Yuxue Gao
- MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing 100083, China
| | - Shiyu Zong
- MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing 100083, China
| | - Yirong Huang
- MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing 100083, China
| | - Na Yang
- MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing 100083, China
| | - Hankang Wen
- MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing 100083, China
| | - Jianxin Jiang
- MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing 100083, China
| | - Jiufang Duan
- MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Forestry University, Beijing 100083, China.
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