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Li Z, Lu J, Ji T, Xue Y, Zhao L, Zhao K, Jia B, Wang B, Wang J, Zhang S, Jiang Z. Self-Healing Hydrogel Bioelectronics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2306350. [PMID: 37987498 DOI: 10.1002/adma.202306350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 10/07/2023] [Indexed: 11/22/2023]
Abstract
Hydrogels have emerged as powerful building blocks to develop various soft bioelectronics because of their tissue-like mechanical properties, superior bio-compatibility, the ability to conduct both electrons and ions, and multiple stimuli-responsiveness. However, hydrogels are vulnerable to mechanical damage, which limits their usage in developing durable hydrogel-based bioelectronics. Self-healing hydrogels aim to endow bioelectronics with the property of repairing specific functions after mechanical failure, thus improving their durability, reliability, and longevity. This review discusses recent advances in self-healing hydrogels, from the self-healing mechanisms, material chemistry, and strategies for multiple properties improvement of hydrogel materials, to the design, fabrication, and applications of various hydrogel-based bioelectronics, including wearable physical and biochemical sensors, supercapacitors, flexible display devices, triboelectric nanogenerators (TENGs), implantable bioelectronics, etc. Furthermore, the persisting challenges hampering the development of self-healing hydrogel bioelectronics and their prospects are proposed. This review is expected to expedite the research and applications of self-healing hydrogels for various self-healing bioelectronics.
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Affiliation(s)
- Zhikang Li
- State Key Laboratory for Manufacturing Systems Engineering, International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technologies, Xi'an, 710049, China
- School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Jijian Lu
- State Key Laboratory for Manufacturing Systems Engineering, International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technologies, Xi'an, 710049, China
- School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Tian Ji
- State Key Laboratory for Manufacturing Systems Engineering, International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technologies, Xi'an, 710049, China
- School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yumeng Xue
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene, Xi'an, 710072, China
| | - Libo Zhao
- State Key Laboratory for Manufacturing Systems Engineering, International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technologies, Xi'an, 710049, China
- School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Kang Zhao
- State Key Laboratory for Manufacturing Systems Engineering, International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technologies, Xi'an, 710049, China
- School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Boqing Jia
- State Key Laboratory for Manufacturing Systems Engineering, International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technologies, Xi'an, 710049, China
- School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Bin Wang
- State Key Laboratory for Manufacturing Systems Engineering, International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technologies, Xi'an, 710049, China
- School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Jiaxiang Wang
- State Key Laboratory for Manufacturing Systems Engineering, International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technologies, Xi'an, 710049, China
- School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Shiming Zhang
- Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong SAR, 999077, China
| | - Zhuangde Jiang
- State Key Laboratory for Manufacturing Systems Engineering, International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technologies, Xi'an, 710049, China
- School of Instrument Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
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Farrukh A, Nayab S. Shape Memory Hydrogels for Biomedical Applications. Gels 2024; 10:270. [PMID: 38667689 PMCID: PMC11049586 DOI: 10.3390/gels10040270] [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: 03/18/2024] [Revised: 04/02/2024] [Accepted: 04/06/2024] [Indexed: 04/28/2024] Open
Abstract
The ability of shape memory polymers to change shape upon external stimulation makes them exceedingly useful in various areas, from biomedical engineering to soft robotics. Especially, shape memory hydrogels (SMHs) are well-suited for biomedical applications due to their inherent biocompatibility, excellent shape morphing performance, tunable physiochemical properties, and responsiveness to a wide range of stimuli (e.g., thermal, chemical, electrical, light). This review provides an overview of the unique features of smart SMHs from their fundamental working mechanisms to types of SMHs classified on the basis of applied stimuli and highlights notable clinical applications. Moreover, the potential of SMHs for surgical, biomedical, and tissue engineering applications is discussed. Finally, this review summarizes the current challenges in synthesizing and fabricating reconfigurable hydrogel-based interfaces and outlines future directions for their potential in personalized medicine and clinical applications.
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Affiliation(s)
- Aleeza Farrukh
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, CA 92697, USA
| | - Sana Nayab
- Institute of Chemistry, Quaid-i-Azam Campus, University of the Punjab, Lahore 54590, Pakistan
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Ye Y, Wang W, Liu X, Chen Y, Tian S, Fu P. A Sol-Gel Transition and Self-Healing Hydrogel Triggered via Photodimerization of Coumarin. Gels 2023; 10:21. [PMID: 38247744 PMCID: PMC10815305 DOI: 10.3390/gels10010021] [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: 11/22/2023] [Revised: 12/19/2023] [Accepted: 12/22/2023] [Indexed: 01/23/2024] Open
Abstract
Reversible chemical covalency provides a path to materials that can degrade and recombine with appropriate stimuli and which can be used for tissue regeneration and repair. However, designing and preparing efficient and quickly self-healing materials has always been a challenge. The preparation strategies of photoresponsive gels attract a lot of attention due to their precise spatial and temporal control and their predetermined response to light stimulation. In this work, the linear copolymer PAC was synthesized via precipitation polymerization of acrylic acid and 7-(2-acrylate-ethoxylated)-4-methylcoumarin. The coumarin groups on the copolymer PAC side chains provide a reversible chemical cross-linking via photostimulation, which achieves reversible regulation of the gel network structure. The concentration of 18 wt% PAC solution produces gelation under irradiation with 365 nm. In contrast, PAC gel is restored to soluble copolymers under irradiation with 254 nm. Meanwhile, the mechanical and self-healing properties of the gel were also explored. It is demonstrated that the cracks of the gel can be repaired simply, quickly, and efficiently. Furthermore, the PAC copolymer shows an excellent adhesion property based on the reversible sol-gel transition. Thus, the PAC gel has considerable potential for applications in engineering and biomedical materials.
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Affiliation(s)
- Yong Ye
- School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, China
| | - Wenkai Wang
- School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, China
| | - Xin Liu
- School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, China
| | - Yong Chen
- School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, China
| | - Shenghui Tian
- School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, China
| | - Peng Fu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
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Tadge T, Garje S, Saxena V, Raichur AM. Application of Shape Memory and Self-Healable Polymers/Composites in the Biomedical Field: A Review. ACS OMEGA 2023; 8:32294-32310. [PMID: 37720748 PMCID: PMC10500588 DOI: 10.1021/acsomega.3c04569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 08/22/2023] [Indexed: 09/19/2023]
Abstract
Shape memory-assisted self-healing polymers have drawn attention over the past few years owing to their interdisciplinary and wide range of applications. Self-healing and shape memory are two approaches used to improve the applicability of polymers in the biomedical field. Combining both these approaches in a polymer composite opens new possibilities for its use in biomedical applications, such as the "close then heal" concept, which uses the shape memory capabilities of polymers to bring injured sections together to promote autonomous healing. This review focuses on using shape memory-assisted self-healing approaches along with their respective affecting factors for biomedical applications such as tissue engineering, drug delivery, biomaterial-inks, and 4D printed scaffolds, soft actuators, wearable electronics, etc. In addition, quantification of self-healing and shape memory efficiency is also discussed. The challenges and prospects of these polymers for biomedical applications have been summarized.
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Affiliation(s)
| | | | - Varun Saxena
- Department of Materials Engineering, Indian Institute of Science, Bangalore 560012, India
| | - Ashok M. Raichur
- Department of Materials Engineering, Indian Institute of Science, Bangalore 560012, India
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Wei Q, Jin Z, Zhang W, Zhao Y, Wang Y, Wei Y, He X, Ma G, Guo Y, Jiang Y, Hu Z. Honokiol@PF127 crosslinked hyaluronate-based hydrogel for promoting wound healing by regulating macrophage polarization. Carbohydr Polym 2023; 303:120469. [PMID: 36657865 DOI: 10.1016/j.carbpol.2022.120469] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 11/24/2022] [Accepted: 12/12/2022] [Indexed: 12/15/2022]
Abstract
Bacterial infection, oxidative stress and inflammation are the main obstacles in wound healing. Hydrogels with moist and inherent properties are beneficial to wound healing. Here, we fabricated a honokiol-laden micelle-crosslinked hyaluronate-based hydrogel by simply mixing honokiol-laden PF127-CHO micelles, 3,3'-dithiobis(propionohydrazide) grafted hyaluronic acid and silver ions. PF127 could not only effectively load hydrophobic small molecules but also be macromolecular crosslinker for preparing hydrogels. Hyaluronic acid plays an essential role in wound healing processes including regulating macrophage polarization towards M2 phenotype. The chemical dynamic acylhydrazone crosslinking and physical crosslinking among PF127-CHO micelles constructed hydrogel's networks, which endowed hydrogel with excellent self-healing properties. PF-HA-3 hydrogel also exhibited outstanding antioxidant and antibacterial capabilities. In a full-thickness skin defect model, this degradable and biocompatible hydrogel could promote wound healing by remodeling wound tissues, regulating M2 polarization and angiogenesis. In summary, this inherent multifunctional hydrogel will provide a promising strategy for designing bioactive compounds-based wound dressings.
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Affiliation(s)
- Qingcong Wei
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Research Centre of Chiral Hydroxyl Pharmaceutical, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China.
| | - Ziming Jin
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Research Centre of Chiral Hydroxyl Pharmaceutical, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
| | - Weiwei Zhang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Research Centre of Chiral Hydroxyl Pharmaceutical, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China.
| | - Yanfei Zhao
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Research Centre of Chiral Hydroxyl Pharmaceutical, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
| | - Yaxing Wang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Research Centre of Chiral Hydroxyl Pharmaceutical, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
| | - Yixing Wei
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Research Centre of Chiral Hydroxyl Pharmaceutical, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
| | - Xing He
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Research Centre of Chiral Hydroxyl Pharmaceutical, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
| | - Guanglei Ma
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Research Centre of Chiral Hydroxyl Pharmaceutical, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
| | - Yuming Guo
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Research Centre of Chiral Hydroxyl Pharmaceutical, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
| | - Yuqin Jiang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Research Centre of Chiral Hydroxyl Pharmaceutical, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
| | - Zhiguo Hu
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Research Centre of Chiral Hydroxyl Pharmaceutical, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China.
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Liu J, Fu H, Luo Z, Chen W, Liu F, Zhao M. Preparation and performance of pH-temperature responsive low-damage gel temporary plugging agent. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.130990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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