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Yao R, Liu X, Yu H, Hou Z, Chang S, Yang L. Electronic skin based on natural biodegradable polymers for human motion monitoring. Int J Biol Macromol 2024; 278:134694. [PMID: 39142476 DOI: 10.1016/j.ijbiomac.2024.134694] [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: 03/31/2024] [Revised: 08/02/2024] [Accepted: 08/11/2024] [Indexed: 08/16/2024]
Abstract
The wearability of the flexible electronic skin (e-skin) allows it to attach to the skin for human motion monitoring, which is essential for studying human motion and especially for assessing how well patients are recovering from rehabilitation therapy. However, the use of non-degradable synthetic materials in e-skin may raise skin safety concerns. Natural biodegradable polymers with advantages such as biodegradability, biocompatibility, sustainability, natural abundance, and low cost have the potential to be alternative materials for constructing flexible e-skin and applying them to human motion monitoring. This review summarizes the applications of natural biodegradable polymers in e-skin for human motion monitoring over the past three years, focusing on the discussion of cellulose, chitosan, silk fibroin, gelatin, and sodium alginate. Finally, we summarize the opportunities and challenges of e-skin based on natural biodegradable polymers. It is hoped that this review will provide insights for the future development of flexible e-skin in the field of human motion monitoring.
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Affiliation(s)
- Ruiqin Yao
- 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 110004, P.R. China; School of Intelligent Medicine, China Medical University, Shenyang 110122, P.R. China
| | - Xun Liu
- Department of General Surgery, Shengjing Hospital of China Medical University, 110004, P.R. China
| | - Honghao Yu
- Department of Spine Surgery, Shengjing Hospital of China Medical University, Shenyang 110004, P.R. 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 110004, P.R. China.
| | - Shijie Chang
- School of Intelligent Medicine, China Medical University, Shenyang 110122, P.R. 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 110004, P.R. China.
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2
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Chen H, Wang Y, Chen X, Wang Z, Wu Y, Dai Q, Zhao W, Wei T, Yang Q, Huang B, Li Y. Research Progress on Ti 3C 2T x-Based Composite Materials in Antibacterial Field. Molecules 2024; 29:2902. [PMID: 38930967 PMCID: PMC11206357 DOI: 10.3390/molecules29122902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 06/13/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024] Open
Abstract
The integration of two-dimensional Ti3C2Tx nanosheets and other materials offers broader application options in the antibacterial field. Ti3C2Tx-based composites demonstrate synergistic physical, chemical, and photodynamic antibacterial activity. In this review, we aim to explore the potential of Ti3C2Tx-based composites in the fabrication of an antibiotic-free antibacterial agent with a focus on their systematic classification, manufacturing technology, and application potential. We investigate various components of Ti3C2Tx-based composites, such as metals, metal oxides, metal sulfides, organic frameworks, photosensitizers, etc. We also summarize the fabrication techniques used for preparing Ti3C2Tx-based composites, including solution mixing, chemical synthesis, layer-by-layer self-assembly, electrostatic assembly, and three-dimensional (3D) printing. The most recent developments in antibacterial application are also thoroughly discussed, with special attention to the medical, water treatment, food preservation, flexible textile, and industrial sectors. Ultimately, the future directions and opportunities are delineated, underscoring the focus of further research, such as elucidating microscopic mechanisms, achieving a balance between biocompatibility and antibacterial efficiency, and investigating effective, eco-friendly synthesis techniques combined with intelligent technology. A survey of the literature provides a comprehensive overview of the state-of-the-art developments in Ti3C2Tx-based composites and their potential applications in various fields. This comprehensive review covers the variety, preparation methods, and applications of Ti3C2Tx-based composites, drawing upon a total of 171 English-language references. Notably, 155 of these references are from the past five years, indicating significant recent progress and interest in this research area.
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Affiliation(s)
- Huangqin Chen
- Department of Stomatology, School of Stomatology and Ophthalmology, Hubei University of Science and Technology, Xianning 437100, China; (H.C.)
| | - Yilun Wang
- Department of Stomatology, School of Stomatology and Ophthalmology, Hubei University of Science and Technology, Xianning 437100, China; (H.C.)
| | - Xuguang Chen
- Department of Stomatology, School of Stomatology and Ophthalmology, Hubei University of Science and Technology, Xianning 437100, China; (H.C.)
| | - Zihan Wang
- Department of Computer Science and Technology, China Three Gorges University, Yichang 443002, China
| | - Yue Wu
- Department of Stomatology, School of Stomatology and Ophthalmology, Hubei University of Science and Technology, Xianning 437100, China; (H.C.)
| | - Qiongqiao Dai
- Department of Stomatology, School of Stomatology and Ophthalmology, Hubei University of Science and Technology, Xianning 437100, China; (H.C.)
| | - Wenjing Zhao
- Department of Stomatology, School of Stomatology and Ophthalmology, Hubei University of Science and Technology, Xianning 437100, China; (H.C.)
| | - Tian Wei
- Department of Stomatology, School of Stomatology and Ophthalmology, Hubei University of Science and Technology, Xianning 437100, China; (H.C.)
| | - Qingyuan Yang
- Department of Stomatology, School of Stomatology and Ophthalmology, Hubei University of Science and Technology, Xianning 437100, China; (H.C.)
| | - Bin Huang
- Department of Stomatology, School of Stomatology and Ophthalmology, Hubei University of Science and Technology, Xianning 437100, China; (H.C.)
| | - Yuesheng Li
- Hubei Key Laboratory of Radiation Chemistry and Functional Materials, Non-Power Nuclear Technology Collaborative Innovation Center, Hubei University of Science and Technology, Xianning 437100, China
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Naskar A, Kilari S, Misra S. Chitosan-2D Nanomaterial-Based Scaffolds for Biomedical Applications. Polymers (Basel) 2024; 16:1327. [PMID: 38794520 PMCID: PMC11125373 DOI: 10.3390/polym16101327] [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: 04/11/2024] [Revised: 05/03/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
Chitosan (CS) and two-dimensional nanomaterial (2D nanomaterials)-based scaffolds have received widespread attention in recent times in biomedical applications due to their excellent synergistic potential. CS has garnered much attention as a biomedical scaffold material either alone or in combination with some other material due to its favorable physiochemical properties. The emerging 2D nanomaterials, such as black phosphorus (BP), molybdenum disulfide (MoS2), etc., have taken huge steps towards varying biomedical applications. However, the implementation of a CS-2D nanomaterial-based scaffold for clinical applications remains challenging for different reasons such as toxicity, stability, etc. Here, we reviewed different types of CS scaffold materials and discussed their advantages in biomedical applications. In addition, a different CS nanostructure, instead of a scaffold, has been described. After that, the importance of 2D nanomaterials has been elaborated on in terms of physiochemical properties. In the next section, the biomedical applications of CS with different 2D nanomaterial scaffolds have been highlighted. Finally, we highlighted the existing challenges and future perspectives of using CS-2D nanomaterial scaffolds for biomedical applications. We hope that this review will encourage a more synergistic biomedical application of the CS-2D nanomaterial scaffolds and their utilization clinical applications.
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Affiliation(s)
| | | | - Sanjay Misra
- Vascular and Interventional Radiology Translational Laboratory, Division of Vascular and Interventional Radiology, Department of Radiology, Mayo Clinic, Rochester, MN 55905, USA; (A.N.); (S.K.)
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4
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You L, Zheng Z, Xu W, Wang Y, Xiong W, Xiong C, Wang S. Self-healing and adhesive MXene-polypyrrole/silk fibroin/polyvinyl alcohol conductive hydrogels as wearable sensor. Int J Biol Macromol 2024; 263:130439. [PMID: 38423420 DOI: 10.1016/j.ijbiomac.2024.130439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/21/2024] [Accepted: 02/23/2024] [Indexed: 03/02/2024]
Abstract
Conductive hydrogels become increasing attractive for flexible electronic devices and biosensors. However, challenges still remain in fabrication of flexible hydrogels with high electrical conductivity, self-healing capability and adhesion property. Herein, a conductive hydrogel (PSDM) was prepared by solution-gel method using MXene and dopamine modified polypyrrole as conductive enhanced materials, polyvinyl alcohol and silk fibroin as gel networks, and borax as cross-linking agent. Notably, the PSDM hydrogels not only showed high permeability (13.82 mg∙cm-2∙h-1), excellent stretch ability (1235 %), high electrical conductivity (11.3 S/m) and long-term stability, but also exhibited high adhesion performance and self-healing properties. PSDM hydrogels displayed outstanding sensing performance and durability for monitoring human activities including writing, finger bending and wrist bending. The PSDM hydrogel was made into wearable flexible electrodes and realized accurate, sensitive and reliable detection of human electromyographic and electrocardiographic signals. The sensor was also applied in human-computer interaction by collecting electromyography signals of different gestures for machine learning and gesture recognition. According to 480 groups of data collected, the recognition accuracy of gestures by the electrodes was close to 100 %, indicating that the PSDM hydrogel electrodes possessed excellent sensing performance for high precision data acquisition and human-computer interaction interface.
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Affiliation(s)
- Lijun You
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China.
| | - Zhijuan Zheng
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Wenjing Xu
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Yang Wang
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Weijie Xiong
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Caihua Xiong
- School of Mechanical Science & Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Shaoyun Wang
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China.
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5
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Das P, Marvi PK, Ganguly S, Tang XS, Wang B, Srinivasan S, Rajabzadeh AR, Rosenkranz A. MXene-Based Elastomer Mimetic Stretchable Sensors: Design, Properties, and Applications. NANO-MICRO LETTERS 2024; 16:135. [PMID: 38411801 PMCID: PMC10899156 DOI: 10.1007/s40820-024-01349-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 01/09/2024] [Indexed: 02/28/2024]
Abstract
Flexible sensors based on MXene-polymer composites are highly prospective for next-generation wearable electronics used in human-machine interfaces. One of the motivating factors behind the progress of flexible sensors is the steady arrival of new conductive materials. MXenes, a new family of 2D nanomaterials, have been drawing attention since the last decade due to their high electronic conductivity, processability, mechanical robustness and chemical tunability. In this review, we encompass the fabrication of MXene-based polymeric nanocomposites, their structure-property relationship, and applications in the flexible sensor domain. Moreover, our discussion is not only limited to sensor design, their mechanism, and various modes of sensing platform, but also their future perspective and market throughout the world. With our article, we intend to fortify the bond between flexible matrices and MXenes thus promoting the swift advancement of flexible MXene-sensors for wearable technologies.
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Affiliation(s)
- Poushali Das
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada
| | - Parham Khoshbakht Marvi
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada
| | - Sayan Ganguly
- Department of Chemistry and Waterloo Institute for Nanotechnology (WIN), University of Waterloo, 200 University Ave West, Waterloo, ON, Canada
- Centre for Eye and Vision Research (CEVR), 17W Hong Kong Science Park, Shatin, Hong Kong, People's Republic of China
| | - Xiaowu Shirley Tang
- Department of Chemistry and Waterloo Institute for Nanotechnology (WIN), University of Waterloo, 200 University Ave West, Waterloo, ON, Canada
- Centre for Eye and Vision Research (CEVR), 17W Hong Kong Science Park, Shatin, Hong Kong, People's Republic of China
| | - Bo Wang
- Chair of Functional Materials, Department of Materials Science and Engineering, Saarland University, Saarbrücken, Germany
| | - Seshasai Srinivasan
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada.
- W Booth School of Engineering Practice and Technology, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada.
| | - Amin Reza Rajabzadeh
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada.
- W Booth School of Engineering Practice and Technology, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada.
| | - Andreas Rosenkranz
- Department for Chemical Engineering, Biotechnology and Materials, University of Chile, Santiago, Chile.
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6
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Cao J, Wu B, Yuan P, Liu Y, Hu C. Progress of Research on Conductive Hydrogels in Flexible Wearable Sensors. Gels 2024; 10:144. [PMID: 38391474 PMCID: PMC10887588 DOI: 10.3390/gels10020144] [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: 01/25/2024] [Revised: 02/05/2024] [Accepted: 02/10/2024] [Indexed: 02/24/2024] Open
Abstract
Conductive hydrogels, characterized by their excellent conductivity and flexibility, have attracted widespread attention and research in the field of flexible wearable sensors. This paper reviews the application progress, related challenges, and future prospects of conductive hydrogels in flexible wearable sensors. Initially, the basic properties and classifications of conductive hydrogels are introduced. Subsequently, this paper discusses in detail the specific applications of conductive hydrogels in different sensor applications, such as motion detection, medical diagnostics, electronic skin, and human-computer interactions. Finally, the application prospects and challenges are summarized. Overall, the exceptional performance and multifunctionality of conductive hydrogels make them one of the most important materials for future wearable technologies. However, further research and innovation are needed to overcome the challenges faced and to realize the wider application of conductive hydrogels in flexible sensors.
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Affiliation(s)
- Juan Cao
- School of Fashion and Design Art, Sichuan Normal University, Chengdu 610066, China
| | - Bo Wu
- School of Mechanical Engineering, Sichuan University, Chengdu 610065, China
| | - Ping Yuan
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
| | - Yeqi Liu
- School of Mechanical Engineering, Sichuan University, Chengdu 610065, China
| | - Cheng Hu
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610065, China
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7
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Amani AM, Tayebi L, Abbasi M, Vaez A, Kamyab H, Chelliapan S, Vafa E. The Need for Smart Materials in an Expanding Smart World: MXene-Based Wearable Electronics and Their Advantageous Applications. ACS OMEGA 2024; 9:3123-3142. [PMID: 38284011 PMCID: PMC10809375 DOI: 10.1021/acsomega.3c06590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 01/30/2024]
Abstract
As a result of the transformation of inflexible electronic structures into flexible and stretchy devices, wearable electronics now provide great advantages in a variety of fields, including mobile healthcare sensing and monitoring, human-machine interfaces, portable energy storage and harvesting, and more. Because of their enriched surface functionalities, large surface area, and high electrical conductivity, transition metal nitrides and carbides (also known as MXenes) have recently come to be extensively considered as a group of functioning two-dimensional nanomaterials as well as exceptional fundamental elements for forming flexible electronics devices. This Review discusses the most recent advancements that have been made in the field of MXene-enabled flexible electronics for wearable electronics. The emphasis is placed on extensively established nonstructural features in order to highlight some MXene-enabled electrical devices that were constructed on a nanometric scale. These attributes include devices configured in three dimensions: printed materials, bioinspired structures, and textile and planar substrates. In addition, sample applications in electromagnetic interference (EMI) shielding, energy, healthcare, and humanoid control of machinery illustrate the exceptional development of these nanodevices. The increasing potential of MXene nanoparticles as a new area in next-generation wearable electronic technologies is projected in this Review. The design challenges associated with these electronic devices are also discussed, and possible solutions are presented.
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Affiliation(s)
- Ali Mohammad Amani
- Department
of Medical Nanotechnology, School of Advanced Medical Sciences and
Technologies, Shiraz University of Medical
Sciences, Shiraz 71348, Iran
| | - Lobat Tayebi
- School
of Dentistry, Marquette University, Milwaukee, Wisconsin 53233, United States
| | - Milad Abbasi
- Department
of Medical Nanotechnology, School of Advanced Medical Sciences and
Technologies, Shiraz University of Medical
Sciences, Shiraz 71348, Iran
| | - Ahmad Vaez
- Department
of Tissue Engineering and Applied Cell Sciences, School of Advanced
Medical Sciences and Technologies, Shiraz
University of Medical Sciences, Shiraz 71348, Iran
| | - Hesam Kamyab
- Malaysia-Japan
International Institute of Technology, Universiti
Teknologi Malaysia, Jalan
Sultan Yahya Petra,54100 Kuala Lumpur, Malaysia
- Facultad
de Arquitectura y Urbanismo, Universidad
UTE, Calle Rumipamba
S/N y Bourgeois, Quito 170147, Ecuador
- Department
of Biomaterials, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai 600 077, India
| | - Shreeshivadasan Chelliapan
- Engineering
Department, Razak Faculty of Technology and Informatics, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54100 Kuala Lumpur, Malaysia
| | - Ehsan Vafa
- Department
of Medical Nanotechnology, School of Advanced Medical Sciences and
Technologies, Shiraz University of Medical
Sciences, Shiraz 71348, Iran
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8
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Lyu C, Wen B, Bai Y, Luo D, Wang X, Zhang Q, Xing C, Kong T, Diao D, Zhang X. Bone-inspired (GNEC/HAPAAm) hydrogel with fatigue-resistance for use in underwater robots and highly piezoresistive sensors. MICROSYSTEMS & NANOENGINEERING 2023; 9:99. [PMID: 37502758 PMCID: PMC10368655 DOI: 10.1038/s41378-023-00571-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 05/17/2023] [Accepted: 06/13/2023] [Indexed: 07/29/2023]
Abstract
A novel bone-inspired fatigue-resistant hydrogel with excellent mechanical and piezoresistive properties was developed, and it exhibited great potential as a load and strain sensor for underwater robotics and daily monitoring. The hydrogel was created by using the high edge density and aspect ratio of graphene nanosheet-embedded carbon (GNEC) nanomaterials to form a three-dimensional conductive network and prevent the expansion of microcracks in the hydrogel system. Multiscale progressive enhancement of the organic hydrogels (micrometer scale) was realized with inorganic graphene nanosheets (nanometer scale). The graphene nanocrystals inside the GNEC film exhibited good electron transport properties, and the increased distances between the graphene nanocrystals inside the GNEC film caused by external forces increased the resistance, so the hydrogel was highly sensitive and suitable for connection to a loop for sensing applications. The hydrogels obtained in this work exhibited excellent mechanical properties, such as tensile properties (strain up to 1685%) and strengths (stresses up to 171 kPa), that make them suitable for use as elastic retraction devices in robotics and provide high sensitivities (150 ms) for daily human monitoring.
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Affiliation(s)
- Chaoyang Lyu
- Institute of Nanosurface Science and Engineering, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Shenzhen University, 518060 Shenzhen, China
| | - Bo Wen
- Institute of Nanosurface Science and Engineering, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Shenzhen University, 518060 Shenzhen, China
| | - Yangzhen Bai
- Institute of Nanosurface Science and Engineering, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Shenzhen University, 518060 Shenzhen, China
| | - Daning Luo
- Institute of Nanosurface Science and Engineering, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Shenzhen University, 518060 Shenzhen, China
| | - Xin Wang
- Research Center of Medical Plasma Technology, Shenzhen University, 518060 Shenzhen, China
| | - Qingfeng Zhang
- Research Center of Medical Plasma Technology, Shenzhen University, 518060 Shenzhen, China
| | - Chenyang Xing
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education, College of Physics and Optoelectronic Engineering, Shenzhen University, 518060 Shenzhen, China
| | - Tiantian Kong
- Department of Biomedical Engineering, School of Medicine, Shenzhen University, 518000 Shenzhen, China
| | - Dongfeng Diao
- Institute of Nanosurface Science and Engineering, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Shenzhen University, 518060 Shenzhen, China
| | - Xi Zhang
- Institute of Nanosurface Science and Engineering, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Shenzhen University, 518060 Shenzhen, China
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9
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Li X, Li X, Yan M, Wang Q. Chitosan-based transparent and conductive hydrogel with highly stretchable, adhesive and self-healing as skin-like sensor. Int J Biol Macromol 2023; 242:124746. [PMID: 37148945 DOI: 10.1016/j.ijbiomac.2023.124746] [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: 11/28/2022] [Revised: 04/22/2023] [Accepted: 05/01/2023] [Indexed: 05/08/2023]
Abstract
Hydrogel sensors attained increasing attention due to their excellent mechanical and sensing properties. However, it is still a big challenge to fabricate hydrogel sensors with multifunctional properties of transparent, high stretchability, self-adhesive and self-healing ability. In this study, chitosan as a natural polymer has been employed to construct a polyacrylamide-chitosan-Al3+ (PAM-CS-Al3+) double network (DN) hydrogel with high transparency (>90 % at 800 nm), good electrical conductivity (up to 5.01 S/m) and excellent mechanical properties (strain and toughness as high as 1040 % and 730 kJ/m3). Moreover, the dynamic ionic and hydrogen bond interaction between PAM and CS endowed the PAM-CS-Al3+ hydrogel good self-healing ability. In addition, the hydrogel possesses good self-adhesive ability on different substrates, including glass, wood, metal, plastic, paper, polytetrafluoroethylene (PTFE) and rubber. Most importantly, the prepared hydrogel could be assembled into transparent, flexible, self-adhesive, self-healing and high sensitive strain/pressure sensor for monitoring human body movement. This work may pave the way for fabricating the multifunctional chitosan-based hydrogels which has potential application in the fields of wearable sensor and soft electronic devices.
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Affiliation(s)
- Xinjian Li
- School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China
| | - Xiaomeng Li
- School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China
| | - Manqing Yan
- School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China
| | - Qiyang Wang
- School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China.
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10
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Ren Y, He Q, Xu T, Zhang W, Peng Z, Meng B. Recent Progress in MXene Hydrogel for Wearable Electronics. BIOSENSORS 2023; 13:bios13050495. [PMID: 37232856 DOI: 10.3390/bios13050495] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/06/2023] [Accepted: 04/18/2023] [Indexed: 05/27/2023]
Abstract
Recently, hydrogels have attracted great attention because of their unique properties, including stretchability, self-adhesion, transparency, and biocompatibility. They can transmit electrical signals for potential applications in flexible electronics, human-machine interfaces, sensors, actuators, et al. MXene, a newly emerged two-dimensional (2D) nanomaterial, is an ideal candidate for wearable sensors, benefitting from its surface's negatively charged hydrophilic nature, biocompatibility, high specific surface area, facile functionalization, and high metallic conductivity. However, stability has been a limiting factor for MXene-based applications, and fabricating MXene into hydrogels has been proven to significantly improve their stability. The unique and complex gel structure and gelation mechanism of MXene hydrogels require intensive research and engineering at nanoscale. Although the application of MXene-based composites in sensors has been widely studied, the preparation methods and applications of MXene-based hydrogels in wearable electronics is relatively rare. Thus, in order to facilitate the effective evolution of MXene hydrogel sensors, the design strategies, preparation methods, and applications of MXene hydrogels for flexible and wearable electronics are comprehensively discussed and summarized in this work.
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Affiliation(s)
- Yi Ren
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, School of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Qi He
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, School of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Tongyi Xu
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, School of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Weiguan Zhang
- Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), Shenzhen 518107, China
| | - Zhengchun Peng
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, School of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Bo Meng
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, School of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
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11
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Su Y, Zhang X, Wei Y, Gu Y, Xu H, Liao Z, Zhao L, Du J, Hu Y, Lian X, Chen W, Deng Y, Huang D. Nanocatalytic Hydrogel with Rapid Photodisinfection and Robust Adhesion for Fortified Cutaneous Regeneration. ACS APPLIED MATERIALS & INTERFACES 2023; 15:6354-6370. [PMID: 36692869 DOI: 10.1021/acsami.2c17366] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Chronic inflammation caused by invasive bacterial infections severely interferes with the normal healing process of skin regeneration. Hypoxia of the infection microenvironment (IME) seriously affects the antibacterial effect of photodynamic therapy in phototherapy. To address this serious issue, a nanocatalytic hydrogel with an enhanced phototherapy effect consisting of a hydrogel polyvinyl alcohol (PVA) scaffold, MXene/CuS bio-heterojunction, and polydopamine (PDA) for photothermal antibacterial effects and promoting skin regeneration is designed. The MXene/CuS bio-heterojunction has a benign photothermal effect. Singlet oxygen (1O2) and hydroxyl radicals (·OH) were generated under near-infrared light, which made the hydrogel system have good antioxidant and antibacterial properties. The addition of PDA further improves the biocompatibility and endows the nanocatalytic hydrogel with adhesion. Additionally, in vivo assays display that the nanocatalytic hydrogel has good skin regeneration ability, including ability to kill bacteria, and promotes capillary angiogenesis and collagen deposition. This work proposes an approach for nanocatalyzed hydrogels with an activated IME response to treat wound infections by enhancing the phototherapeutic effects.
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Affiliation(s)
- Yimeng Su
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Xiumei Zhang
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Yan Wei
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, China
| | - Yu Gu
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Huilun Xu
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Ziming Liao
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Liqin Zhao
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, China
| | - Jingjing Du
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, China
- Analytical & Testing Center, Hainan University, Haikou 570028, China
| | - Yinchun Hu
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, China
| | - Xiaojie Lian
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, China
| | - Weiyi Chen
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, China
| | - Yi Deng
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Di Huang
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, China
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12
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Chen S, Huang W. A review related to MXene preparation and its sensor arrays of electronic skins. Analyst 2023; 148:435-453. [PMID: 36468668 DOI: 10.1039/d2an01143c] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
MXenes have been flourishing over the last decade as a high-performance 2D material, which combines the advantages of high electrical conductivity, photothermal conversion, and easy dispersion. They have been used to create soft, highly conductive, self-healing, and tactile-simulating electronic skins (E-skins). However, these E-skins remain generally limited to one or two functions with a complex preparation process. Next-generation E-skins necessitate not only large-scale fabrication using simple and fast methods but also the integration of multiple sensing functions and signal analysis components in order to provide functionality that was not unattainable in the past. Starting with the synthesis of pure MXenes, we walk through the steps of designing MXene sensors, integrating electronic skin arrays, and determining the function of MXene-based electronic skins. We also summarise the problems with existing MXene-based E-skins and possible futuristic directions.
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Affiliation(s)
- Sha Chen
- Chengdu Techman Software Co., Ltd, Chengdu, China
| | - Wu Huang
- Sichuan University, Chengdu, China.
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13
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Li B, Hao W, Wang P, Zhou M, Liu J, Hu Z, Ma M. Preparation and properties of CS/P(AM- co-AA) composite hydrogels by frontal polymerization of ternary DES. RSC Adv 2022; 12:34724-34729. [PMID: 36545602 PMCID: PMC9717417 DOI: 10.1039/d2ra06232a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 11/23/2022] [Indexed: 12/03/2022] Open
Abstract
A deep eutectic solvent (DES) was prepared from choline chloride (ChCl), acrylamide (AM) and acrylic acid (AA); chitosan (CS) was used as a filler, and CS/P(AM-co-AA) composite hydrogels were prepared by frontal polymerization (FP). The hydrogels were characterized by Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The mechanical properties, pH responsiveness and conductivity of the hydrogel were studied. The results showed that the mechanical properties of the hydrogel were significantly improved by adding CS, and the tensile strength and compressive strength were increased by 11.61 and 1.65 times respectively due to the increase in number of hydrogen bonds. At the same time, due to the presence of AA, the composite hydrogel has excellent pH response and super high swelling performance under alkaline conditions. The introduction of CS enhanced the conductivity of the hydrogel and gradually increased with the increase of CS content. The conductivity of the hydrogel with CS content of 10 wt% was nearly 160 times that of the hydrogel without CS. In this study, a more convenient and rapid method was proposed to prepare conductive composite hydrogels with excellent mechanical properties and pH responsiveness.
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Affiliation(s)
- Bin Li
- School of Mechanical Engineering, Wuhan Polytechnic UniversityWuhanHubei 430023China
| | - Wenrui Hao
- School of Mechanical Engineering, Wuhan Polytechnic UniversityWuhanHubei 430023China
| | - Peng Wang
- Wuhan Second Ship Design and Research InstituteWuhan430205China
| | - Mengjing Zhou
- School of Mechanical Engineering, Wuhan Polytechnic UniversityWuhanHubei 430023China
| | - Jizhen Liu
- Hubei Key Laboratory of Theory and Application of Advanced Materials Mechanics, Wuhan University of TechnologyWuhanHubei 430070China
| | - Zhigang Hu
- School of Mechanical Engineering, Wuhan Polytechnic UniversityWuhanHubei 430023China
| | - Ming Ma
- School of Mechanical Engineering, Wuhan Polytechnic UniversityWuhanHubei 430023China
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14
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Liu C, Yang P, Li J, Cao S, Shi J. NIR/pH-responsive chitosan hydrogels containing Ti3C2/AuNRs with NIR-triggered photothermal effect. Carbohydr Polym 2022; 295:119853. [DOI: 10.1016/j.carbpol.2022.119853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/21/2022] [Accepted: 07/06/2022] [Indexed: 11/26/2022]
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15
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Dong Y, Wang C, Hu Z, Mao S, Wei X, Fu Y, Li J, Han J. A sandwich‐structure, low‐temperature sensitive and recyclable liquid metal organic hydrogel for a wearable strain sensor. J Appl Polym Sci 2022. [DOI: 10.1002/app.53174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yiwei Dong
- School of Materials Science and Engineering North University of China Taiyuan People's Republic of China
| | - Chen Wang
- School of Materials Science and Engineering North University of China Taiyuan People's Republic of China
| | - Zhirui Hu
- School of Materials Science and Engineering North University of China Taiyuan People's Republic of China
| | - Shujuan Mao
- School of Materials Science and Engineering North University of China Taiyuan People's Republic of China
| | - Xiaotong Wei
- School of Materials Science and Engineering North University of China Taiyuan People's Republic of China
| | - Yueqing Fu
- School of Materials Science and Engineering North University of China Taiyuan People's Republic of China
| | - Jie Li
- School of Materials Science and Engineering North University of China Taiyuan People's Republic of China
| | - Jing Han
- School of Mechatronic Engineering North University of China Taiyuan People's Republic of China
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16
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Iravani P, Iravani S, Varma RS. MXene-Chitosan Composites and Their Biomedical Potentials. MICROMACHINES 2022; 13:mi13091383. [PMID: 36144006 PMCID: PMC9500609 DOI: 10.3390/mi13091383] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 05/21/2023]
Abstract
Today, MXenes with fascinating electronic, thermal, optical, and mechanical features have been broadly studied for biomedical applications, such as drug/gene delivery, photothermal/photodynamic therapy, antimicrobials/antivirals, sensing, tissue engineering, and regenerative medicine. In this context, various MXene-polymer composites have been designed to improve the characteristics such as physiological stability, sustained/controlled release behaviors, biodegradability, biocompatibility, selectivity/sensitivity, and functionality. Chitosan with advantages of ease of modification, biodegradability, antibacterial activities, non-toxicity, and biocompatibility can be considered as attractive materials for designing hybridized composites together with MXenes. These hybrid composites ought to be further explored for biomedical applications because of their unique properties such as high photothermal conversion efficiency, improved stability, selectivity/sensitivity, stimuli-responsiveness behaviors, and superior antibacterial features. These unique structural, functional, and biological attributes indicate that MXene-chitosan composites are attractive alternatives in biomedical engineering. However, several crucial aspects regarding the surface functionalization/modification, hybridization, nanotoxicological analyses, long-term biosafety assessments, biocompatibility, in vitro/in vivo evaluations, identification of optimization conditions, implementation of environmentally-benign synthesis techniques, and clinical translation studies are still need to be examined by researchers. Although very limited studies have revealed the great potentials of MXene-chitosan hybrids in biomedicine, the next steps should be toward the extensive research and detailed analyses in optimizing their properties and improving their functionality with a clinical and industrial outlook. Herein, recent developments in the use of MXene-chitosan composites with biomedical potentials are deliberated, with a focus on important challenges and future perspectives. In view of the fascinating properties and multifunctionality of MXene-chitosan composites, these hybrid materials can open significant new opportunities in the future for bio- and nano-medicine arena.
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Affiliation(s)
- Parisa Iravani
- School of Medicine, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran
| | - Siavash Iravani
- Faculty of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran
- Correspondence: (S.I.); (R.S.V.)
| | - Rajender S. Varma
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University in Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
- Correspondence: (S.I.); (R.S.V.)
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17
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Wen X, Wang H, Ren E, Wang S, Xu J. A robust and sensitive flexible strain sensor based on polyurethane cross-linked composite hydrogels for the detection of human motion. NEW J CHEM 2022. [DOI: 10.1039/d2nj03740h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Polyurethane cross-linked composite hydrogel and wireless Bluetooth module were assembled for the detection of human motion.
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Affiliation(s)
- Xiao Wen
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Haibo Wang
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Erhui Ren
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Shuang Wang
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Junhuai Xu
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, P. R. China
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18
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Xia Q, Qin Y, Qiu P, Zheng A, Zhang X. Bio‑inspired Tactile Nociceptor Constructed by Integrating Wearable Sensing Paper and VO2 Threshold Switching Memristor. J Mater Chem B 2022; 10:1991-2000. [DOI: 10.1039/d1tb02578c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The sensations of touch and pain are fundamental components of our daily life, which can transport vital information about the surroundings and provide protection to our bodies. In this study,...
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