1
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Yang P, Li Z, Fang B, Liu L. Self-healing hydrogels based on biological macromolecules in wound healing: A review. Int J Biol Macromol 2023; 253:127612. [PMID: 37871725 DOI: 10.1016/j.ijbiomac.2023.127612] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 10/02/2023] [Accepted: 10/20/2023] [Indexed: 10/25/2023]
Abstract
The complete healing of skin wounds has been a challenge in clinical treatment. Self-healing hydrogels are special hydrogels formed by distinctive physicochemically reversible bonds, and they are considered promising biomaterials in the biomedical field owing to their inherently good drug-carrying capacity as well as self-healing and repair abilities. Moreover, natural polymeric materials have received considerable attention in skin tissue engineering owing to their low cytotoxicity, low immunogenicity, and excellent biodegradation rates. In this paper, we review recent advances in the design of self-healing hydrogels based on natural polymers for skin-wound healing applications. First, we outline a variety of natural polymers that can be used to construct self-healing hydrogel systems and highlight the advantages and disadvantages of different natural polymers. We then describe the principle of self-healing hydrogels in terms of two different crosslinking mechanisms-physical and chemical-and dissect their performance characteristics based on the practical needs of skin-trauma applications. Next, we outline the biological mechanisms involved in the healing of skin wounds and describe the current application strategies for self-healing hydrogels based on these mechanisms. Finally, we analyze and summarize the challenges and prospects of natural-material-based self-healing hydrogels for skin applications.
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Affiliation(s)
- Pu Yang
- Department of Plastic and Aesthetic (Burn) Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Zhen Li
- Department of Plastic and Aesthetic (Burn) Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Bairong Fang
- Department of Plastic and Aesthetic (Burn) Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China.
| | - Liangle Liu
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou 325200, China.
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2
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Shen Z, Zhang C, Wang T, Xu J. Advances in Functional Hydrogel Wound Dressings: A Review. Polymers (Basel) 2023; 15:polym15092000. [PMID: 37177148 PMCID: PMC10180742 DOI: 10.3390/polym15092000] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/20/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023] Open
Abstract
One of the most advanced, promising, and commercially viable research issues in the world of hydrogel dressing is gaining functionality to achieve improved therapeutic impact or even intelligent wound repair. In addition to the merits of ordinary hydrogel dressings, functional hydrogel dressings can adjust their chemical/physical properties to satisfy different wound types, carry out the corresponding reactions to actively create a healing environment conducive to wound repair, and can also control drug release to provide a long-lasting benefit. Although a lot of in-depth research has been conducted over the last few decades, very few studies have been properly summarized. In order to give researchers a basic blueprint for designing functional hydrogel dressings and to motivate them to develop ever-more intelligent wound dressings, we summarized the development of functional hydrogel dressings in recent years, as well as the current situation and future trends, in light of their preparation mechanisms and functional effects.
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Affiliation(s)
- Zihao Shen
- Aulin College, Northeast Forestry University, Harbin 150040, China
| | - Chenrui Zhang
- Aulin College, Northeast Forestry University, Harbin 150040, China
| | - Ting Wang
- Aulin College, Northeast Forestry University, Harbin 150040, China
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, 26 Hexing Road, Harbin 150040, China
| | - Juan Xu
- National Research Institute for Family Planning, Haidian District, No. 12, Da Hui Si Road, Beijing 100081, China
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3
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Sreedevi Madhavikutty A, Singh Chandel AK, Tsai CC, Inagaki NF, Ohta S, Ito T. pH responsive cationic guar gum-borate self-healing hydrogels for muco-adhesion. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 2023; 24:2175586. [PMID: 36896456 PMCID: PMC9990695 DOI: 10.1080/14686996.2023.2175586] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/22/2023] [Accepted: 01/29/2023] [Indexed: 06/08/2023]
Abstract
We developed a new muco-adhesive hydrogel composed of cationic guar gum (CGG) and boric acid (BA). The CGG-BA precursor solution of 0.5-2% w/v concentration exhibited fluidity at low pH (3-5), while gelation occurred within 1 min at physiological pH (7-8) conditions. Scanning electron microscopy and Fourier-transform infrared spectroscopy results confirmed the change in physical and chemical behavior, respectively, with change in pH. The pH-responsive self-healing ability was analyzed through microscopy and rheology. CGG-BA hydrogels showed good self-healing property at pH 7.4. The in vitro biocompatibility test of the hydrogel studied using NIH3T3 and NHEK cells showed that it was non-toxic at concentrations of CGG-BA below 2% w/v. Ex vivo mucoadhesive tests confirmed the hydrogel's potential for use as a muco-adhesive. Burst pressure tests were conducted using pig esophageal mucosa and the results showed that at pH 7.4, 1% w/v CGG-BA self-healable hydrogel resisted about 8 ± 2 kPa pressure, comparable to that of Fibrin glue. This was higher than that at solution (pH 5) and brittle gel (pH 10) conditions. To confirm the good adhesive strength of the self-healable hydrogels, lap shear tests conducted, resulted in adhesive strengths measured in the range of 1.0 ± 0.5-2.0 ± 0.6 kPa, which was also comparable to fibrin glue control 1.8 ± 0.6 kPa. Hydrogel weight measurements showed that 40-80% gel lasted under physiological conditions for 10 h. The results suggest that CGG-BA hydrogel has potential as a pH responsive mucosal protectant biomaterial.
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Affiliation(s)
| | - Arvind K. Singh Chandel
- Center for Disease Biology and Integrative Medicine, The University of Tokyo, Tokyo 113-0033, Japan
| | - Ching-Cheng Tsai
- Department of Bioengineering, The University of Tokyo, Tokyo 113-8656, Japan
| | - Natsuko F. Inagaki
- Center for Disease Biology and Integrative Medicine, The University of Tokyo, Tokyo 113-0033, Japan
| | - Seiichi Ohta
- Department of Chemical System Engineering, The University of Tokyo, Tokyo 113-8656, Japan
- Department of Bioengineering, The University of Tokyo, Tokyo 113-8656, Japan
| | - Taichi Ito
- Department of Chemical System Engineering, The University of Tokyo, Tokyo 113-8656, Japan
- Center for Disease Biology and Integrative Medicine, The University of Tokyo, Tokyo 113-0033, Japan
- Department of Bioengineering, The University of Tokyo, Tokyo 113-8656, Japan
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4
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Li Z, Cai J, Wei M, Chen J. An UV-photo and ionic dual responsive interpenetrating network hydrogel with shape memory and self-healing properties. RSC Adv 2022; 12:15105-15114. [PMID: 35693233 PMCID: PMC9116958 DOI: 10.1039/d2ra00619g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 05/11/2022] [Indexed: 11/21/2022] Open
Abstract
Shape memory hydrogels have attracted extensive attention in fields such as artificial tissues, biomimetic devices and diagnostics, and intelligent biosensors. However, the practical applications were hindered by the absence of self-healing capability and multi-stimuli-responsiveness. To address these issues, we developed a shape memory hydrogel with self-healing and dual stimuli-response performance. The hydrogel system was constructed via an interpenetrating network consisting of in situ radical polymerization and host-guest interaction. The hydrogel exhibited rapid self-healing property, which can be stretched after self-healing for 1 min at 25 °C. Besides, the hydrogel displayed varied swelling performance in different light or solvent conditions. Moreover, the hydrogel showed a dual stimuli-responsive shape memory effect to ultraviolet (UV) light and ionic strength in 1 min. Such a shape memory hydrogel with self-healing ability and multi-stimuli-responsive properties will offer an option toward intelligent soft materials for biomedical and bionic research.
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Affiliation(s)
- Ziyi Li
- The First Dongguan Affiliated Hospital of Guangdong Medical University, The Second Clinical Medical College, Guangdong Medical University Dongguan 523808 China
| | - Jiwei Cai
- The First Dongguan Affiliated Hospital of Guangdong Medical University, The Second Clinical Medical College, Guangdong Medical University Dongguan 523808 China
| | - Miaohan Wei
- The First Dongguan Affiliated Hospital of Guangdong Medical University, The Second Clinical Medical College, Guangdong Medical University Dongguan 523808 China
| | - Juncheng Chen
- The First Dongguan Affiliated Hospital of Guangdong Medical University, The Second Clinical Medical College, Guangdong Medical University Dongguan 523808 China
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5
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Zhang Q, Zhang M, Wang T, Chen X, Li Q, Zhao X. Preparation of aloe polysaccharide/honey/PVA composite hydrogel: Antibacterial activity and promoting wound healing. Int J Biol Macromol 2022; 211:249-258. [PMID: 35568151 DOI: 10.1016/j.ijbiomac.2022.05.072] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/30/2022] [Accepted: 05/09/2022] [Indexed: 12/25/2022]
Abstract
Maintaining a moist and sterile environment is conducive to accelerating wound healing. To develop a natural wound dressing with good water retention capacity and antibacterial activity, we prepared a novel natural multifunctional hydrogel for infected wound healing, which combines the advantages of Aloe polysaccharide (AP) and honey. AP was extracted from Aloe barbadensis, and its structure was characterized by fourier transform infra-red (FT-IR) spectoscopy and nuclear magnetic resonance (NMR) spectroscopy. AP is an acetylated mannan composed of (1 → 4)β-Manp, which is acetylated at C-2, C-3 and C-6 positions. AP/Honey@PVA hydrogel was prepared by cross-linking AP, honey, PVA with borax, which has good mechanical strength and excellent biocompatibility for blood cells, NIH-3T3 cells and L929 cells. The hydrogels showed significant inhibitory effect on Staphylococcus aureus, Escherichia coli and Candida albicans, as well as accelerated the healing of infected full-thickness wound. This study reveals the structure of AP and proves that AP and honey composite hydrogel has potential application prospect in the therapy of infected wounds.
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Affiliation(s)
- Qi Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Miao Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Teng Wang
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Xiangyan Chen
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Quancai Li
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; Marine Biomedical Research Institute of Qingdao, Qingdao 266071, China.
| | - Xia Zhao
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; Marine Biomedical Research Institute of Qingdao, Qingdao 266071, China.
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6
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Shahi S, Roghani-Mamaqani H, Talebi S, Mardani H. Chemical stimuli-induced reversible bond cleavage in covalently crosslinked hydrogels. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214368] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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7
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Wang C, Qu X, Zheng Q, Liu Y, Tan P, Shi B, Ouyang H, Chao S, Zou Y, Zhao C, Liu Z, Li Y, Li Z. Stretchable, Self-Healing, and Skin-Mounted Active Sensor for Multipoint Muscle Function Assessment. ACS NANO 2021; 15:10130-10140. [PMID: 34086454 DOI: 10.1021/acsnano.1c02010] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Assessment of muscle function is an essential indicator for estimating elderly health, evaluating motor function, and instructing rehabilitation training, which also sets urgent requirements for mechanical sensors with superior quantification, accuracy, and reliability. To overcome the rigidity and vulnerability of traditional metallic electrodes, we synthesize an ionic hydrogel with large deformation tolerance and fast self-healing ability. And we propose a stretchable, self-healing, and skin-mounted (Triple S) active sensor (TSAS) based on the principles of electrostatic induction and electrostatic coupling. The skin modulus-matched TSAS provides outstanding sensing properties: maximum output voltage of 78.44 V, minimal detection limit of 0.2 mN, fast response time of 1.03 ms, high signal-to-noise ratio and excellent long-term service stability. In training of arm muscle, the functional signals of biceps and triceps brachii muscles as well as the joint dexterity of bending angle can be acquired simultaneously through TSAS. The signal can also be sent wirelessly to a terminal for analysis. With the characteristics of high sensitivity, reliability, convenience, and low-cost, TSAS shows its potential to be the next-generation procedure for real-time assessment of muscle function and rehabilitation training.
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Affiliation(s)
- Chan Wang
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xuecheng Qu
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qiang Zheng
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ying Liu
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Puchuan Tan
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
- Beijing Advanced Innovation Centre for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Bojing Shi
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
- Beijing Advanced Innovation Centre for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Han Ouyang
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
- Beijing Advanced Innovation Centre for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Shengyu Chao
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yang Zou
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chaochao Zhao
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
- Department of Biomedical Engineering, School of Medical Engineering, Foshan University, Foshan, 528225, China
| | - Zhuo Liu
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
- Beijing Advanced Innovation Centre for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Yusheng Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Zhou Li
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
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8
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Xu Y, Patino Gaillez M, Rothe R, Hauser S, Voigt D, Pietzsch J, Zhang Y. Conductive Hydrogels with Dynamic Reversible Networks for Biomedical Applications. Adv Healthc Mater 2021; 10:e2100012. [PMID: 33930246 DOI: 10.1002/adhm.202100012] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 03/21/2021] [Indexed: 12/30/2022]
Abstract
Conductive hydrogels (CHs) are emerging as a promising and well-utilized platform for 3D cell culture and tissue engineering to incorporate electron signals as biorelevant physical cues. In conventional covalently crosslinked conductive hydrogels, the network dynamics (e.g., stress relaxation, shear shining, and self-healing) required for complex cellular functions and many biomedical utilities (e.g., injection) cannot be easily realized. In contrast, dynamic conductive hydrogels (DCHs) are fabricated by dynamic and reversible crosslinks. By allowing for the breaking and reforming of the reversible linkages, DCHs can provide dynamic environments for cellular functions while maintaining matrix integrity. These dynamic materials can mimic some properties of native tissues, making them well-suited for several biotechnological and medical applications. An overview of the design, synthesis, and engineering of DCHs is presented in this review, focusing on the different dynamic crosslinking mechanisms of DCHs and their biomedical applications.
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Affiliation(s)
- Yong Xu
- Technische Universität Dresden B CUBE Center for Molecular Bioengineering Dresden 01307 Germany
| | - Michelle Patino Gaillez
- Technische Universität Dresden B CUBE Center for Molecular Bioengineering Dresden 01307 Germany
| | - Rebecca Rothe
- Helmholtz‐Zentrum Dresden‐Rossendorf (HZDR) Institute of Radiopharmaceutical Cancer Research Department of Radiopharmaceutical and Chemical Biology Dresden 01328 Germany
- Technische Universität Dresden School of Science Faculty of Chemistry and Food Chemistry Dresden 01062 Germany
| | - Sandra Hauser
- Helmholtz‐Zentrum Dresden‐Rossendorf (HZDR) Institute of Radiopharmaceutical Cancer Research Department of Radiopharmaceutical and Chemical Biology Dresden 01328 Germany
| | - Dagmar Voigt
- Technische Universität Dresden, School of Science Faculty of Biology Institute of Botany Dresden 01062 Germany
| | - Jens Pietzsch
- Helmholtz‐Zentrum Dresden‐Rossendorf (HZDR) Institute of Radiopharmaceutical Cancer Research Department of Radiopharmaceutical and Chemical Biology Dresden 01328 Germany
- Technische Universität Dresden School of Science Faculty of Chemistry and Food Chemistry Dresden 01062 Germany
| | - Yixin Zhang
- Technische Universität Dresden B CUBE Center for Molecular Bioengineering Dresden 01307 Germany
- Cluster of Excellence Physics of Life Technische Universität Dresden Dresden 01062 Germany
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9
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Cao D, Lv Y, Zhou Q, Chen Y, Qian X. Guar gum/gellan gum interpenetrating-network self-healing hydrogels for human motion detection. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110371] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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10
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Priya, Sharma AK, Kaith BS, Simran, Bhagyashree, Arora S. Synthesis of dextrin-polyacrylamide and boric acid based tough and transparent, self-healing, superabsorbent film. Int J Biol Macromol 2021; 182:712-721. [PMID: 33862073 DOI: 10.1016/j.ijbiomac.2021.04.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 04/04/2021] [Accepted: 04/05/2021] [Indexed: 01/02/2023]
Abstract
Stretchabiliy, transparency and self-healing ability of bio-based materials are some of the important features for their utilization in the biomedical field. Recently, robust self-healing super porous materials possessing multifunctional nature have raised enormous interest among the researchers in order to design different materials which can be used in industrial, biomedical and pharmaceutical fields. Herein, a novel self-healing, stretchable and transparent superabsorbent film based on Dextrin-polyacrylamide and Boric Acid (DEX-cl-polyAAm) was synthesized using a free radical reaction mechanism. In distilled water, the maximum water absorptivity of the synthesized film was reported to be 3156% after the optimization of various reaction parameters. The film was also found to show structural integrity in urea solution, phosphate buffer and solutions of different pH. Lastly, the viscoelastic and self-healing analysis of the film suggested its utility towards biomedical field.
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Affiliation(s)
- Priya
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar 144 011, Punjab, India.
| | - Amit Kumar Sharma
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar 144 011, Punjab, India.
| | - Balbir Singh Kaith
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar 144 011, Punjab, India.
| | - Simran
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar 144 011, Punjab, India.
| | - Bhagyashree
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar 144 011, Punjab, India.
| | - Saiyam Arora
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar 144 011, Punjab, India.
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11
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Huang J, Liu Y, Yang Y, Zhou Z, Mao J, Wu T, Liu J, Cai Q, Peng C, Xu Y, Zeng B, Luo W, Chen G, Yuan C, Dai L. Electrically programmable adhesive hydrogels for climbing robots. Sci Robot 2021; 6:6/53/eabe1858. [PMID: 34043565 DOI: 10.1126/scirobotics.abe1858] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 03/17/2021] [Indexed: 12/13/2022]
Abstract
Although there have been notable advances in adhesive materials, the ability to program attaching and detaching behavior in these materials remains a challenge. Here, we report a borate ester polymer hydrogel that can rapidly switch between adhesive and nonadhesive states in response to a mild electrical stimulus (voltages between 3.0 and 4.5 V). This behavior is achieved by controlling the exposure and shielding of the catechol group through water electrolysis-induced reversible cleavage and reformation of the borate ester moiety. By switching the electric field direction, the hydrogel can repeatedly attach to and detach from various surfaces with a response time as low as 1 s. This programmable attaching/detaching strategy provides an alternative approach for robot climbing. The hydrogel is simply pasted onto the moving parts of climbing robots without complicated engineering and morphological designs. Using our hydrogel as feet and wheels, the tethered walking robots and wheeled robots can climb on both vertical and inverted conductive substrates (i.e., moving upside down) such as stainless steel and copper. Our study establishes an effective route for the design of smart polymer adhesives that are applicable in intelligent devices and an electrochemical strategy to regulate the adhesion.
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Affiliation(s)
- Junwen Huang
- College of Materials, Xiamen University, Xiamen 361005, People's Republic of China.,Fujian Provincial Key Laboratory of Fire Retardant Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Yu Liu
- School of Aerospace Engineering, Xiamen University, Xiamen 361005, People's Republic of China
| | - Yuxin Yang
- College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Zhijun Zhou
- School of Aerospace Engineering, Xiamen University, Xiamen 361005, People's Republic of China
| | - Jie Mao
- College of Materials, Xiamen University, Xiamen 361005, People's Republic of China.,Fujian Provincial Key Laboratory of Fire Retardant Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Tong Wu
- College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Jun Liu
- College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Qipeng Cai
- College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Chaohua Peng
- College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Yiting Xu
- College of Materials, Xiamen University, Xiamen 361005, People's Republic of China.,Fujian Provincial Key Laboratory of Fire Retardant Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Birong Zeng
- College of Materials, Xiamen University, Xiamen 361005, People's Republic of China.,Fujian Provincial Key Laboratory of Fire Retardant Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Weiang Luo
- College of Materials, Xiamen University, Xiamen 361005, People's Republic of China.,Fujian Provincial Key Laboratory of Fire Retardant Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Guorong Chen
- College of Materials, Xiamen University, Xiamen 361005, People's Republic of China.,Fujian Provincial Key Laboratory of Fire Retardant Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Conghui Yuan
- College of Materials, Xiamen University, Xiamen 361005, People's Republic of China. .,Fujian Provincial Key Laboratory of Fire Retardant Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Lizong Dai
- College of Materials, Xiamen University, Xiamen 361005, People's Republic of China. .,Fujian Provincial Key Laboratory of Fire Retardant Materials, Xiamen University, Xiamen 361005, People's Republic of China
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12
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Li X, Mutlu H, Fengler C, Wilhelm M, Theato P. Dual-faced borax mediated synthesis of self-healable hydrogels merging dynamic covalent bonding and micellization. Polym Chem 2021. [DOI: 10.1039/d0py01354d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A facile route towards multifunctional hydrogels was proposed via borax catalyzed thiol-acrylate and borax–diol chemistry. The hydrogels exhibited self-healable ability and anti-fatigue property by merging dynamic boronate ester bonds and micellization in one system.
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Affiliation(s)
- Xiaohui Li
- Institute for Chemical Technology and Polymer Chemistry (ITCP)
- Karlsruhe Institute of Technology (KIT)
- D-76131 Karlsruhe
- Germany
- Soft Matter Synthesis Laboratory
| | - Hatice Mutlu
- Soft Matter Synthesis Laboratory
- Institute for Biological Interfaces III (IBG 3)
- Karlsruhe Institute of Technology (KIT)
- D-76344 Eggenstein-Leopoldshafen
- Germany
| | - Christian Fengler
- Institute for Chemical Technology and Polymer Chemistry (ITCP)
- Karlsruhe Institute of Technology (KIT)
- D-76131 Karlsruhe
- Germany
| | - Manfred Wilhelm
- Institute for Chemical Technology and Polymer Chemistry (ITCP)
- Karlsruhe Institute of Technology (KIT)
- D-76131 Karlsruhe
- Germany
| | - Patrick Theato
- Institute for Chemical Technology and Polymer Chemistry (ITCP)
- Karlsruhe Institute of Technology (KIT)
- D-76131 Karlsruhe
- Germany
- Soft Matter Synthesis Laboratory
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13
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Gosecki M, Ziemczonek P, Maczugowska P, Czaderna-Lekka A, Kozanecki M, Gosecka M. The influence of 2-acrylamidephenylboronic acid on the phase behaviour of its copolymers with N-isopropylacrylamide in aqueous solution. Polym Chem 2021. [DOI: 10.1039/d1py00397f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
In this study, we report the synthesis and phase behaviour of statistical p(N-isopropylacrylamide-co-2-acrylamidephenylboronic acid), P(NIPAM-co-2-AAPBA) copolymers.
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Affiliation(s)
- Mateusz Gosecki
- Polymer Division
- Centre of Molecular and Macromolecular Studies
- Polish Academy of Science
- Poland
- 90-363 Lodz
| | - Piotr Ziemczonek
- Polymer Division
- Centre of Molecular and Macromolecular Studies
- Polish Academy of Science
- Poland
- 90-363 Lodz
| | - Paulina Maczugowska
- Department of Molecular Physics
- Faculty of Chemistry
- Lodz University of Technology
- 90-924 Lodz
- Poland
| | - Anna Czaderna-Lekka
- Department of Molecular Physics
- Faculty of Chemistry
- Lodz University of Technology
- 90-924 Lodz
- Poland
| | - Marcin Kozanecki
- Department of Molecular Physics
- Faculty of Chemistry
- Lodz University of Technology
- 90-924 Lodz
- Poland
| | - Monika Gosecka
- Polymer Division
- Centre of Molecular and Macromolecular Studies
- Polish Academy of Science
- Poland
- 90-363 Lodz
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14
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Aeridou E, Díaz Díaz D, Alemán C, Pérez-Madrigal MM. Advanced Functional Hydrogel Biomaterials Based on Dynamic B–O Bonds and Polysaccharide Building Blocks. Biomacromolecules 2020; 21:3984-3996. [DOI: 10.1021/acs.biomac.0c01139] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Eleni Aeridou
- Departament d’Enginyeria Quı́mica, EEBE, Universitat Politécnica de Catalunya, C/Eduard Maristany, 10-14, Barcelona, Spain
| | - David Díaz Díaz
- Departamento de Quı́mica Orgánica, Universidad de La Laguna, Avda. Astrofı́sico Francisco Sánchez 3, 38206 La Laguna, Tenerife, Spain
- Instituto de Bio-Orgánica Antonio González, Universidad de La Laguna, Avda. Astrofı́sico Francisco Sánchez 2, 38206 La Laguna, Tenerife, Spain
- Institut für Organische Chemie, Universität Regensburg, Universitätsstr. 31, 93053 Regensburg, Germany
| | - Carlos Alemán
- Departament d’Enginyeria Quı́mica, EEBE, Universitat Politécnica de Catalunya, C/Eduard Maristany, 10-14, Barcelona, Spain
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, 08930 Barcelona, Spain
- Institute for Bioengineering of Catalonia (IBEC), Baldiri Reixac 10-12, 08028 Barcelona, Spain
| | - Maria M. Pérez-Madrigal
- Departament d’Enginyeria Quı́mica, EEBE, Universitat Politécnica de Catalunya, C/Eduard Maristany, 10-14, Barcelona, Spain
- Institute for Bioengineering of Catalonia (IBEC), Baldiri Reixac 10-12, 08028 Barcelona, Spain
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15
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Li P, Zhong Y, Wang X, Hao J. Enzyme-Regulated Healable Polymeric Hydrogels. ACS CENTRAL SCIENCE 2020; 6:1507-1522. [PMID: 32999926 PMCID: PMC7517121 DOI: 10.1021/acscentsci.0c00768] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Indexed: 05/11/2023]
Abstract
The enzyme-regulated healable polymeric hydrogels are a kind of emerging soft material capable of repairing the structural defects and recovering the hydrogel properties, wherein their fabrication, self-healing, or degradation is mediated by enzymatic reactions. Despite achievements that have been made in controllable cross-linking and de-cross-linking of hydrogels by utilizing enzyme-catalyzed reactions in the past few years, this substrate-specific strategy for regulating healable polymeric hydrogels remains in its infancy, because both the intelligence and practicality of current man-made enzyme-regulated healable materials are far below the levels of living organisms. A systematic summary of current achievements and a reasonable prospect at this point can play positive roles for the future development in this field. This Outlook focuses on the emerging and rapidly developing research area of bioinspired enzyme-regulated self-healing polymeric hydrogel systems. The enzymatic fabrication and degradation of healable polymeric hydrogels, as well as the enzymatically regulated self-healing of polymeric hydrogels, are reviewed. The functions and applications of the enzyme-regulated healable polymeric hydrogels are discussed.
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Affiliation(s)
- Panpan Li
- National
Engineering Research Center for Colloidal Materials, School of Chemistry
and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Yuanbo Zhong
- National
Engineering Research Center for Colloidal Materials, School of Chemistry
and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Xu Wang
- National
Engineering Research Center for Colloidal Materials, School of Chemistry
and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Jingcheng Hao
- Key
Laboratory of Colloid and Interface Chemistry and Key Laboratory of
Special Aggregated Materials of the Ministry of Education, Shandong University, Jinan, Shandong 250100, China
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16
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Lee J, Jing BB, Porath LE, Sottos NR, Evans CM. Shock Wave Energy Dissipation in Catalyst-Free Poly(dimethylsiloxane) Vitrimers. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c00784] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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17
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Eelkema R, Pich A. Pros and Cons: Supramolecular or Macromolecular: What Is Best for Functional Hydrogels with Advanced Properties? ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1906012. [PMID: 31919957 DOI: 10.1002/adma.201906012] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 10/28/2019] [Indexed: 06/10/2023]
Abstract
Hydrogels are fascinating soft materials with unique properties. Many biological systems are based on hydrogel-like structures, underlining their versatility and relevance. The properties of hydrogels strongly depend on the structure of the building blocks they are composed of, as well as the nature of interactions between them in the network structure. Herein, gel networks made by supramolecular interactions are compared to covalent macromolecular networks, drawing conclusions about their performance and application as responsive materials.
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Affiliation(s)
- Rienk Eelkema
- Department of Chemical Engineering, Delft University of Technology, Van der Maasweg 9, 2629 HZ, Delft, The Netherlands
| | - Andrij Pich
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
- DWI - Leibniz-Institute for Interactive Materials e.V., Forckenbeckstraße 50, 52056, Aachen, Germany
- Aachen Maastricht Institute for Biobased Materials (AMIBM), Maastricht University, Brightlands Chemelot Campus, Urmonderbaan 22, 6167 RD, Geleen, The Netherlands
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18
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Self-healing quadruple-shape memory hydrogel based on imine, coordination, and borate bonds with tunable mechanical properties. Colloid Polym Sci 2020. [DOI: 10.1007/s00396-020-04613-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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19
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Wang C, Hu K, Zhao C, Zou Y, Liu Y, Qu X, Jiang D, Li Z, Zhang MR, Li Z. Customization of Conductive Elastomer Based on PVA/PEI for Stretchable Sensors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1904758. [PMID: 31909565 DOI: 10.1002/smll.201904758] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 11/23/2019] [Indexed: 06/10/2023]
Abstract
Conductive, stretchable, environmentally-friendly, and strain-sensitive elastomers are attracting immense research interest because of their potential applications in various areas, such as human-machine interfaces, healthcare monitoring, and soft robots. Herein, a binary networked elastomer is reported based on a composite hydrogel of polyvinyl alcohol (PVA) and polyethyleneimine (PEI), which is demonstrated to be ultrastretchable, mechanically robust, biosafe, and antibacterial. The mechanical stretchability and toughness of the hydrogels are optimized by tuning the constituent ratio and water content. The optimal hydrogel (PVA2 PEI1 -75) displays an impressive tensile strain as high as 500% with a corresponding tensile stress of 0.6 MPa. Furthermore, the hydrogel elastomer is utilized to fabricate piezoresistive sensors. The as-made strain sensor displays seductive capability to monitor and distinguish multifarious human motions with high accuracy and sensitivity, like facial expressions and vocal signals. Therefore, the elastomer reported in this study holds great potential for sensing applications in the era of the Internet of Things (IoTs).
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Affiliation(s)
- Chan Wang
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Kuan Hu
- Department of Advanced Nuclear Medicine Sciences, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 263-8555, Chiba, Japan
| | - Chaochao Zhao
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yang Zou
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ying Liu
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xuecheng Qu
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Dongjie Jiang
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhe Li
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ming-Rong Zhang
- Department of Advanced Nuclear Medicine Sciences, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 263-8555, Chiba, Japan
| | - Zhou Li
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
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20
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Drogkaris V, Northrop BH. Discrete boronate ester ladders from the dynamic covalent self-assembly of oligo(phenylene ethynylene) derivatives and phenylenebis(boronic acid). Org Chem Front 2020. [DOI: 10.1039/d0qo00083c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Reversible boronate ester chemistry enables the controlled, dynamic self-assembly of olig(phenylene ethynylene)s into highly conjugated ladder frameworks.
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21
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Ji F, Li J, Zhang G, Lan W, Sun R, Wong CP. Alkaline monomer for mechanical enhanced and self-healing hydrogels based on dynamic borate ester bonds. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.121882] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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22
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Lv Y, Pan Z, Song C, Chen Y, Qian X. Locust bean gum/gellan gum double-network hydrogels with superior self-healing and pH-driven shape-memory properties. SOFT MATTER 2019; 15:6171-6179. [PMID: 31318005 DOI: 10.1039/c9sm00861f] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In this work, we prepared locust bean gum (LBG)/gellan gum (Gg) double network (DN) hydrogels based on pH-sensitive borate-ester bonds in the LBG network and hydrogen-bond-associated double-helix bundles in the Gg network by using two novel natural polysaccharide polymers. The DN hydrogels with optimized Gg and borax concentrations exhibit good mechanical properties (the fracture tensile stress is almost three times that of the LBG single network hydrogel). Because of their unique thermo- and pH-sensitive DN structure, the LBG/Gg DN hydrogels also show excellent self-healing, thermo-processability, and pH-driven shape memory properties. Such novel DN hydrogels demonstrate strong potentiality in many challenging applications such as biomedicine, soft robotics and other fields.
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Affiliation(s)
- Yukai Lv
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Zheng Pan
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Cunzheng Song
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Yulong Chen
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Xin Qian
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
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23
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Fang X, Sun J. One-Step Synthesis of Healable Weak-Polyelectrolyte-Based Hydrogels with High Mechanical Strength, Toughness, and Excellent Self-Recovery. ACS Macro Lett 2019; 8:500-505. [PMID: 35619368 DOI: 10.1021/acsmacrolett.9b00189] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Excellent self-recovery is critically important for soft materials such as hydrogels and shape memory polymers. In this work, weak-polyelectrolyte-based hydrogels with high mechanical strength, toughness, healability, and excellent self-recovery are fabricated by one-step polymerization of acrylic acid and poly(ethylene glycol) methacrylate in the presence of oppositely charged branched polyethylenimine. The synergy of electrostatic and hydrogen-bonding interactions and the in situ formed polyelectrolyte complex nanoparticles endow the hydrogels with a tensile strength of ∼4.7 MPa, strain at break of ∼1200%, and toughness of ∼32.6 MJ m-3. The hydrogels can recover from an ∼300% strain to their initial state within 10 min at room temperature without any external assistance. Moreover, the hydrogels can heal from physical cut at room temperature and exhibit a prominent shape-memory performance with rapid shape recovery speed and high shape-fixing and shape-recovery ratios.
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Affiliation(s)
- Xu Fang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Junqi Sun
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
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24
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Zhang L, Zhao Z, Dai Z, Xu L, Fu F, Endo T, Liu X. Unexpected Healability of an ortho-Blocked Polybenzoxazine Resin. ACS Macro Lett 2019; 8:506-511. [PMID: 35619376 DOI: 10.1021/acsmacrolett.9b00083] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Ring-opening polymerization of bifunctional benzoxazine has long been thought to produce a permanent network structure without reprocessing ability. Here, we demonstrate that surprising healability can be achieved by a controlled polymerization of an ortho-blocked bifunctional benzoxazine poly(oC-hda). The cured resin possesses a cross-linked structure, but can be deformed, remolded from crushed pieces or healed from mechanical damage. Based on a series of intensive experiments, we show that the healability can be explained by a dynamic bonding exchange mechanism between the phenoxy structures existing during the curing process. Moreover, we verify the possibility to heal the fatigue damaged poly(oC-hda) based composite to extend its service life. Our study provides another dynamic covalent bond to synthesize healable polymers, offering a broad platform for combining healability and desired thermosetting features together.
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Affiliation(s)
- Lei Zhang
- College of Materials and Textile, Zhejiang Sci-Tech University, Xiasha Higher
Education Zone, Hangzhou 310018, China
| | - Zhongxiang Zhao
- College of Materials and Textile, Zhejiang Sci-Tech University, Xiasha Higher
Education Zone, Hangzhou 310018, China
| | - Zenghui Dai
- College of Materials and Textile, Zhejiang Sci-Tech University, Xiasha Higher
Education Zone, Hangzhou 310018, China
| | - Linghui Xu
- College of Materials and Textile, Zhejiang Sci-Tech University, Xiasha Higher
Education Zone, Hangzhou 310018, China
| | - Feiya Fu
- College of Materials and Textile, Zhejiang Sci-Tech University, Xiasha Higher
Education Zone, Hangzhou 310018, China
| | - Takeshi Endo
- Molecular Engineering Institute, Kinki University, Kayanomori, Iizuka 820-8555, Japan
| | - Xiangdong Liu
- College of Materials and Textile, Zhejiang Sci-Tech University, Xiasha Higher
Education Zone, Hangzhou 310018, China
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25
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Pandiyarajan CK, Genzer J. Thermally Activated One-Pot, Simultaneous Radical and Condensation Reactions Generate Surface-Anchored Network Layers from Common Polymers. Macromolecules 2019. [DOI: 10.1021/acs.macromol.8b02194] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- C. K. Pandiyarajan
- Department of Chemical & Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695-7905, United States
| | - Jan Genzer
- Department of Chemical & Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695-7905, United States
- Global Station for Soft Matter, Global Institution for Collaborative Research and Education (GI-CoRE), Hokkaido University, Hokkaido 060-0808, Japan
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26
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Chen L, Liu R, Hao X, Yan Q. CO2
-Cross-Linked Frustrated Lewis Networks as Gas-Regulated Dynamic Covalent Materials. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201812365] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Liang Chen
- State Key Laboratory of Molecular Engineering of Polymers; Department of Macromolecular Science; Fudan University; Shanghai 200433 China
| | - Renjie Liu
- State Key Laboratory of Molecular Engineering of Polymers; Department of Macromolecular Science; Fudan University; Shanghai 200433 China
| | - Xiang Hao
- State Key Laboratory of Molecular Engineering of Polymers; Department of Macromolecular Science; Fudan University; Shanghai 200433 China
| | - Qiang Yan
- State Key Laboratory of Molecular Engineering of Polymers; Department of Macromolecular Science; Fudan University; Shanghai 200433 China
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27
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Chen L, Liu R, Hao X, Yan Q. CO2
-Cross-Linked Frustrated Lewis Networks as Gas-Regulated Dynamic Covalent Materials. Angew Chem Int Ed Engl 2018; 58:264-268. [DOI: 10.1002/anie.201812365] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Indexed: 12/21/2022]
Affiliation(s)
- Liang Chen
- State Key Laboratory of Molecular Engineering of Polymers; Department of Macromolecular Science; Fudan University; Shanghai 200433 China
| | - Renjie Liu
- State Key Laboratory of Molecular Engineering of Polymers; Department of Macromolecular Science; Fudan University; Shanghai 200433 China
| | - Xiang Hao
- State Key Laboratory of Molecular Engineering of Polymers; Department of Macromolecular Science; Fudan University; Shanghai 200433 China
| | - Qiang Yan
- State Key Laboratory of Molecular Engineering of Polymers; Department of Macromolecular Science; Fudan University; Shanghai 200433 China
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28
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Zhi X, Zheng C, Xiong J, Li J, Zhao C, Shi L, Zhang Z. Nanofilamentous Virus-Based Dynamic Hydrogels with Tunable Internal Structures, Injectability, Self-Healing, and Sugar Responsiveness at Physiological pH. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:12914-12923. [PMID: 30298737 DOI: 10.1021/acs.langmuir.8b02526] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
With expanding applications of hydrogels in diverse fields ranging from biomaterials to sensors, actuators, and soft robotics, there is an urgent need to endow one single gel with multiple physicochemical properties, such as stimuli-responsiveness, injectability, self-healing, and tunable internal structures. However, it is challenging to simultaneously incorporate these highly sought-after properties into one single gel. Herein, a conceptual hydrogel system with all of these properties is presented via combining bioconjugate chemistry, filamentous viruses, and dynamic covalent bonds. Nanofilamentous bioconjugates with diol affinity were prepared by coupling a tailor-synthesized low-p Ka phenylboronic acid (PBA) derivative to a well-defined green nanofiber the M13 virus with a high aspect ratio (PBA-M13). Dynamic hydrogels with tunable mechanical strength were prepared by using multiple diol-containing agents such as poly(vinyl alcohol) to cross-link such PBA-M13 via the classic boronic-diol dynamic bonds. The as-prepared hydrogels exhibit excellent injectability and self-healing behaviors as well as easy chemical accessibility of the PBA moieties on the virus backbone inside the gel matrix. Ordered internal structures were imparted into virus-based hydrogels by simple shear-induced alignment of the virus nanofibers. Furthermore, unique hydrogels with chiral internal structures were fabricated through in situ gelation induced by diffusion of diol-containing molecules to fix the chiral liquid crystal phase of the PBA-M13 virus. Sugar responsiveness of this gel leads to a glucose-regulated release behavior of payloads such as insulin. All of these properties have been implemented at physiological pH, which will facilitate future applications of these hydrogels as biomaterials.
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Affiliation(s)
- Xueli Zhi
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - Chunxiong Zheng
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - Jie Xiong
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - Jianyao Li
- School of Chemical Engineering and Technology , Tianjin University , Tianjin 300072 , China
| | - Chenxi Zhao
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - Linqi Shi
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - Zhenkun Zhang
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
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29
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Wang L, Zhou W, Wang Q, Xu C, Tang Q, Yang H. An Injectable, Dual Responsive, and Self-Healing Hydrogel Based on Oxidized Sodium Alginate and Hydrazide-Modified Poly(ethyleneglycol). Molecules 2018; 23:E546. [PMID: 29494526 PMCID: PMC6017758 DOI: 10.3390/molecules23030546] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 02/21/2018] [Accepted: 02/28/2018] [Indexed: 12/03/2022] Open
Abstract
Oxidized sodium alginate is a handily modifiable polysaccharide owing to the pendant aldehyde groups which can form dynamic covalent bonds with amines, acylhydrazines, etc., providing oxidized sodium alginate-based hydrogels with stimuli-responsive properties. However, due to the stiffness and, in particular, the hydrophobicity of sodium alginate dialdehyde at low pH, the mechanical performance and pH stimuli responsiveness of oxidized sodium alginate-based hydrogels are still strictly limited. Herein, we report a new strategy to build an injectable, dual responsive, and self-healing hydrogel based on oxidized sodium alginate and hydrazide-modified poly(ethyleneglycol) (PEG). The hydrazide-modified PEG, referred to as PEG-DTP, acts as a macromolecule crosslinker. We found that the presence of PEG-DTP reduces the hydrophobicity of oxidized sodium alginate at low pH so effectively that even a pH-induced reversible sol-gel transitions can be realized. Meanwhile, the disulfide bonds in PEG-DTP endows the hydrogel with the other reversible sol-gel transitions by redox stimuli. In particular, due to the softness of PEG-DTP chains, mechanical performance was also enhanced significantly. Our results indicate we can easily integrate multi-stimuli responsiveness, injectability, and self-healing behavior together into an oxidized sodium alginate-based hydrogel merely by mixing an oxidized sodium alginate solution with PEG-DTP solution in certain proportions.
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Affiliation(s)
- Lei Wang
- CAS Key Laboratory of Soft Matter Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China.
| | - Wanfu Zhou
- Oil Production Technology Institute, Daqing Oilfield Company Ltd., Daqing 163453, China.
| | - Qingguo Wang
- Oil Production Technology Institute, Daqing Oilfield Company Ltd., Daqing 163453, China.
| | - Chao Xu
- CAS Key Laboratory of Soft Matter Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China.
| | - Quan Tang
- CAS Key Laboratory of Soft Matter Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China.
| | - Haiyang Yang
- CAS Key Laboratory of Soft Matter Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China.
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