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Pan X, Li X, Wang Z, Ni Y, Wang Q. Nanolignin-Facilitated Robust Hydrogels. ACS NANO 2024; 18:24095-24104. [PMID: 39150717 DOI: 10.1021/acsnano.4c04078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/17/2024]
Abstract
Recently, certain challenges and accompanying drawbacks have emerged in the preparation of high-strength and tough polymer hydrogels. Insights from wood science highlight the role of the intertwined molecular structure of lignin and crystalline cellulose in contributing to wood's strength. Herein, we immersed prestretched poly(vinyl alcohol) (PVA) polymer hydrogels into a solution of nanosized lignosulfonate sodium (LS), a water-soluble anionic polyelectrolyte, to creatively reconstruct this similar structure at the molecular scale in hydrogels. The nanosized LS effectively fixed and bundled the prestretched PVA polymers while inducing the formation of dense crystalline domains within the polymer matrix. Consequently, the interwoven structure of crystalline PVA and LS conferred good strength to the composite hydrogels, exhibiting a tensile strength of up to ∼23 MPa, a fracture strain of ∼350%, Young's modulus of ∼17 MPa, toughness of ∼47 MJ/m3, and fracture energy of ∼42 kJ/m2. This hydrogel far outperformed previous hydrogels composed directly of lignin and PVA (tensile strength <1.5 MPa). Additionally, the composite hydrogels demonstrated excellent antifreezing properties (<-80 °C). Notably, the LS-assisted reconstruction technology offers opportunities for the secondary fixation of PVA hydrogel shapes and high-strength welding of hydrogel components. This work introduces an approach for the high-value utilization of LS, a green byproduct of pulp production. LS's profound biomimetic strategy will be applied in multifunctional hydrogel fields.
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Affiliation(s)
- Xiaofeng Pan
- Anhui Provincial Engineering Center for High-Performance Biobased Nylon, School of Materials and Chemistry, Anhui Agricultural University, Hefei, Anhui 230036, P.R. China
- National Forestry and Grassland Administration Key Laboratory of Plant Fiber Functional Materials, College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350108, P.R. China
| | - Xiang Li
- Anhui Provincial Engineering Center for High-Performance Biobased Nylon, School of Materials and Chemistry, Anhui Agricultural University, Hefei, Anhui 230036, P.R. China
| | - Zhongkai Wang
- Anhui Provincial Engineering Center for High-Performance Biobased Nylon, School of Materials and Chemistry, Anhui Agricultural University, Hefei, Anhui 230036, P.R. China
| | - Yonghao Ni
- Department of Chemical Engineering, University of New Brunswick, Fredericton, New Brunswick E3B 5A3, Canada
| | - Qinhua Wang
- Anhui Provincial Engineering Center for High-Performance Biobased Nylon, School of Materials and Chemistry, Anhui Agricultural University, Hefei, Anhui 230036, P.R. China
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2
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Liu Y, Lv Z, Zhou J, Cui Z, Li W, Yu J, Chen L, Wang X, Wang M, Liu K, Wang H, Ji X, Hu S, Li J, Loh XJ, Yang H, Chen X, Wang C. Muscle-Inspired Formable Wood-Based Phase Change Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2406915. [PMID: 39096070 DOI: 10.1002/adma.202406915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 07/08/2024] [Indexed: 08/04/2024]
Abstract
Phase change materials (PCMs) are crucial for sustainable thermal management in energy-efficient construction and cold chain logistics, as they can store and release renewable thermal energy. However, traditional PCMs suffer from leakage and a loss of formability above their phase change temperatures, limiting their shape stability and versatility. Inspired by the muscle structure, formable PCMs with a hierarchical structure and solvent-responsive supramolecular networks based on polyvinyl alcohol (PVA)/wood composites are developed. The material, in its hydrated state, demonstrates low stiffness and pliability due to the weak hydrogen bonding between aligned wood fibers and PVA molecules. Through treatment of poly(ethylene glycol) (PEG) into the PVA/wood PEG gel (PEG/PVA/W) with strengthened hydrogen bonds, the resulting wood-based PCMs in the hard and melting states elevate the tensile stress from 10.14 to 80.86 MPa and the stiffness from 420 MPa to 4.8 GPa, making it 530 times stiffer than the PEG/PVA counterpart. Capable of morphing in response to solvent changes, these formable PCMs enable intricate designs for thermal management. Furthermore, supported by a comprehensive life cycle assessment, these shape-adaptable, recyclable, and biodegradable PCMs with lower environmental footprint present a sustainable alternative to conventional plastics and thermal management materials.
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Affiliation(s)
- Yifan Liu
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Zhisheng Lv
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, #08-03, Singapore, 138634, Singapore
| | - Jiazuo Zhou
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Zequn Cui
- Innovative Centre for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Wenlong Li
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, #08-03, Singapore, 138634, Singapore
| | - Jing Yu
- Institute for Digital Molecular Analytics and Science (IDMxS), Nanyang Technological University, 59 Nanyang Drive, Singapore, 636921, Singapore
| | - Lixun Chen
- Innovative Centre for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Xin Wang
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Meng Wang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150040, P. R. China
| | - Kunyang Liu
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Hui Wang
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Xinyao Ji
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Senwei Hu
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Jian Li
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Xian Jun Loh
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, #08-03, Singapore, 138634, Singapore
| | - Haiyue Yang
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Xiaodong Chen
- Innovative Centre for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
- Institute for Digital Molecular Analytics and Science (IDMxS), Nanyang Technological University, 59 Nanyang Drive, Singapore, 636921, Singapore
| | - Chengyu Wang
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, P. R. China
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Yuan C, Jiang J, Zhang X, Gu L, Wang X, Shao L. Direct 3D printing of freeform anisotropic bioactive structure based on shear-oriented ink system. Biofabrication 2024; 16:045011. [PMID: 39008993 DOI: 10.1088/1758-5090/ad6375] [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: 05/10/2024] [Accepted: 07/15/2024] [Indexed: 07/17/2024]
Abstract
Various anisotropic tissue structures exist in organisms, including muscle tissue, skin tissue, and nerve tissue. Replicating anisotropic tissue structuresin vitrohas posed a significant challenge. Three-dimensional (3D) printing technology is often used to fabricate biomimetic structures due to its advantages in manufacturing principle. However, direct 3D printing of freeform anisotropic bioactive structures has not been reported. To tackle this challenge, we developed a ternary F/G/P ink system that integrates the printability of Pluronic F127 (F), the robust bioactivity and photocrosslinking properties of gelatin methacryloyl (G), and the shear-induced alignment functionality of high-molecular-weight polyethylene glycol (P). And through this strategic ternary system combination, freeform anisotropic tissue structures can be 3D printed directly. Moreover, these anisotropic structures exhibit excellent bioactivity, and promote orientational growth of different cells. This advancement holds promise for the repair and replacement of anisotropic tissues within the human body.
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Affiliation(s)
- Chenhui Yuan
- Research Institute for Medical and Biological Engineering, Ningbo University, Ningbo, Zhejiang 315211, People's Republic of China
- School of Materials Science & Chemical Engineering, Ningbo University, Ningbo 315211, People's Republic of China
| | - Jinhong Jiang
- Research Institute for Medical and Biological Engineering, Ningbo University, Ningbo, Zhejiang 315211, People's Republic of China
- Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, People's Republic of China
| | - Xinyu Zhang
- Research Institute for Medical and Biological Engineering, Ningbo University, Ningbo, Zhejiang 315211, People's Republic of China
- Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, People's Republic of China
| | - Lin Gu
- Research Institute for Medical and Biological Engineering, Ningbo University, Ningbo, Zhejiang 315211, People's Republic of China
- Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, People's Republic of China
| | - Xueping Wang
- Research Institute for Medical and Biological Engineering, Ningbo University, Ningbo, Zhejiang 315211, People's Republic of China
- State Key Laboratory of Fluid Power and Mechatronic Systems, College of Mechanical Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, People's Republic of China
| | - Lei Shao
- Research Institute for Medical and Biological Engineering, Ningbo University, Ningbo, Zhejiang 315211, People's Republic of China
- State Key Laboratory of Fluid Power and Mechatronic Systems, College of Mechanical Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, People's Republic of China
- Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, People's Republic of China
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Fang S, Hu YH. Emerging approaches of utilizing trees to produce advanced structural and functional materials. Chem Commun (Camb) 2024; 60:7663-7671. [PMID: 38963729 DOI: 10.1039/d4cc02658f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/06/2024]
Abstract
The global number of trees is approximately 3 trillion, covering 31% of the land area. Trees are considered a cheap, abundant, renewable, and environmentally friendly feedstock for producing advanced structural and functional materials toward a widespread application in sustainable energy and environment. In this highlight, we reveal the structure and composition of wood, leaves, and tree extracts, and then highlight the strategies to control their hierarchical structures and properties. Moreover, we provide an up-to-date overview of their emerging applications in sustainable buildings, ionic nanofluidics, batteries, capacitors, solar cells, environmental remediation, biodegradable packaging, and nanomaterial synthesis. Finally, we outline the challenges and opportunities in valorizing trees for creating a sustainable future.
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Affiliation(s)
- Siyuan Fang
- Department of Materials Science and Engineering, Michigan Technological University, Houghton, Michigan 49931, USA.
| | - Yun Hang Hu
- Department of Materials Science and Engineering, Michigan Technological University, Houghton, Michigan 49931, USA.
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5
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O’Neill SJK, Huang Z, Chen X, Sala RL, McCune JA, Malliaras GG, Scherman OA. Highly stretchable dynamic hydrogels for soft multilayer electronics. SCIENCE ADVANCES 2024; 10:eadn5142. [PMID: 39018406 PMCID: PMC466958 DOI: 10.1126/sciadv.adn5142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 06/11/2024] [Indexed: 07/19/2024]
Abstract
Recent progress in the development of synthetic polymer networks has enabled the next generation of hydrogel-based machines and devices. The ability to mimic the mechanical and electrical properties of human tissue gives great potential toward the fields of bioelectronics and soft robotics. However, fabricating hydrogel devices that display high ionic conductivity while maintaining high stretchability and softness remains unmet. Here, we synthesize supramolecular poly(ionic) networks, which display high stretchability (>1500%), compressibility (>90%), and rapid self-recovery (<30 s), while achieving ionic conductivities of up to 0.1 S cm -1. Dynamic cross-links give rise to inter-layer adhesion and a stable interface is formed on account of ultrahigh binding affinities (>1013 M-2). Superior adherence between layers enabled the fabrication of an intrinsically stretchable hydrogel power source, paving the way for the next generation of multi-layer tissue mimetic devices.
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Affiliation(s)
- Stephen J. K. O’Neill
- Melville Laboratory for Polymer Synthesis, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK
| | - Zehuan Huang
- Melville Laboratory for Polymer Synthesis, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK
| | - Xiaoyi Chen
- Melville Laboratory for Polymer Synthesis, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK
| | - Renata L. Sala
- Melville Laboratory for Polymer Synthesis, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK
| | - Jade A. McCune
- Melville Laboratory for Polymer Synthesis, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK
| | - George G. Malliaras
- Electrical Engineering Division, Department of Engineering, University of Cambridge, Cambridge CB3 0FA, UK
| | - Oren A. Scherman
- Melville Laboratory for Polymer Synthesis, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK
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6
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Liu X, Wang Z, Zhang Q, Lei D, Li X, Zhang Z, Feng X. Highly Anion-Conductive Viologen-Based Two-Dimensional Polymer Membranes as Nanopower Generators. Angew Chem Int Ed Engl 2024:e202409349. [PMID: 38962957 DOI: 10.1002/anie.202409349] [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: 05/17/2024] [Revised: 06/30/2024] [Accepted: 07/01/2024] [Indexed: 07/05/2024]
Abstract
Two-dimensional polymers (2DPs) and their layer-stacked 2D covalent organic frameworks (2D COFs) membranes hold great potential for harvesting sustainable osmotic energy. The nascent research has yet to simultaneously achieve high ionic flux and selectivity, primarily due to inefficient ion transport dynamics. This is directly related to ultrasmall pore size (<3 nm), much smaller than the duple Debye length in the diluted electrolyte (6-20 nm), as well as low charge density (<4.5 mC m-2). Here, we introduce a π-conjugated viologen-based 2DP (V2DP) membrane possessing a large pore size of 4.5 nm, strategically enhancing the overlapping of the electric double layer, coupled with an exceptional positive surface charge density (~6 mC m-2). These characteristics enable the membrane to facilitate high anion flux while maintaining ideal selectivity. Notably, V2DP membranes realize an impressive current density of 5.5×103 A m-2, surpassing benchmarks set by previously reported nanofluidic membranes. In the practical application scenario involving the mixing of artificial seawater and river water, the V2DP membranes exhibit a considerable ion transference number of 0.70 towards Cl-, contributing to an outstanding power density of ~55 W m-2. Theoretical calculations reveal the important role of the large quantity of anion transport sites, which act as binding sites evenly located in the positively charged N-containing pyridine rings. These binding sites enable kinematic coupling and decoupling between anions and the V2DP skeleton, establishing a continuous Cl- ion transport pathway. This work demonstrates the great promise of large-area ultrathin 2DP membranes featuring highly organized charged ion transport networks when applied for osmotic energy conversion.
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Affiliation(s)
- Xiaohui Liu
- Center for Advancing Electronics Dresden & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01069, Dresden, Germany
| | - Zhiyong Wang
- Center for Advancing Electronics Dresden & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01069, Dresden, Germany
- Department of Synthetic Materials and Functional Devices, Max Planck Institute of Microstructure Physics, Weinberg 2, Halle, 06120, Germany
| | - Qixiang Zhang
- Key Laboratory of Precision and Intelligent Chemistry, Department of Applied Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu, 215123, P. R. China
| | - Dandan Lei
- Key Laboratory of Precision and Intelligent Chemistry, Department of Applied Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu, 215123, P. R. China
| | - Xiaodong Li
- Department of Synthetic Materials and Functional Devices, Max Planck Institute of Microstructure Physics, Weinberg 2, Halle, 06120, Germany
| | - Zhen Zhang
- Key Laboratory of Precision and Intelligent Chemistry, Department of Applied Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu, 215123, P. R. China
| | - Xinliang Feng
- Center for Advancing Electronics Dresden & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01069, Dresden, Germany
- Department of Synthetic Materials and Functional Devices, Max Planck Institute of Microstructure Physics, Weinberg 2, Halle, 06120, Germany
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Zhang X, Li K, Wang C, Rao Y, Tuan RS, Wang DM, Ker DFE. Facile and rapid fabrication of a novel 3D-printable, visible light-crosslinkable and bioactive polythiourethane for large-to-massive rotator cuff tendon repair. Bioact Mater 2024; 37:439-458. [PMID: 38698918 PMCID: PMC11063952 DOI: 10.1016/j.bioactmat.2024.03.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 03/29/2024] [Accepted: 03/29/2024] [Indexed: 05/05/2024] Open
Abstract
Facile and rapid 3D fabrication of strong, bioactive materials can address challenges that impede repair of large-to-massive rotator cuff tears including personalized grafts, limited mechanical support, and inadequate tissue regeneration. Herein, we developed a facile and rapid methodology that generates visible light-crosslinkable polythiourethane (PHT) pre-polymer resin (∼30 min at room temperature), yielding 3D-printable scaffolds with tendon-like mechanical attributes capable of delivering tenogenic bioactive factors. Ex vivo characterization confirmed successful fabrication, robust human supraspinatus tendon (SST)-like tensile properties (strength: 23 MPa, modulus: 459 MPa, at least 10,000 physiological loading cycles without failure), excellent suture retention (8.62-fold lower than acellular dermal matrix (ADM)-based clinical graft), slow degradation, and controlled release of fibroblast growth factor-2 (FGF-2) and transforming growth factor-β3 (TGF-β3). In vitro studies showed cytocompatibility and growth factor-mediated tenogenic-like differentiation of mesenchymal stem cells. In vivo studies demonstrated biocompatibility (3-week mouse subcutaneous implantation) and ability of growth factor-containing scaffolds to notably regenerate at least 1-cm of tendon with native-like biomechanical attributes as uninjured shoulder (8-week, large-to-massive 1-cm gap rabbit rotator cuff injury). This study demonstrates use of a 3D-printable, strong, and bioactive material to provide mechanical support and pro-regenerative cues for challenging injuries such as large-to-massive rotator cuff tears.
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Affiliation(s)
- Xu Zhang
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, Hong Kong
| | - Ke Li
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, Hong Kong
| | - Chenyang Wang
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
| | - Ying Rao
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
| | - Rocky S. Tuan
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, Hong Kong
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
| | - Dan Michelle Wang
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, Hong Kong
- Ministry of Education Key Laboratory for Regenerative Medicine, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
| | - Dai Fei Elmer Ker
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, Hong Kong
- Ministry of Education Key Laboratory for Regenerative Medicine, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
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Li Z, Li Z, Zhou S, Zhang J, Zong L. Biomimetic Multiscale Oriented PVA/NRL Hydrogel Enabled Multistimulus Responsive and Smart Shape Memory Actuator. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2311240. [PMID: 38299719 DOI: 10.1002/smll.202311240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 12/30/2023] [Indexed: 02/02/2024]
Abstract
Shape memory hydrogels provide a worldwide scope for functional soft materials. However, most shape memory hydrogels exhibit poor mechanical properties, leading to low actuation strength, which severely limits their applications in smart biomimetic devices. Herein, a strategy for muscle-inspired shape memory-oriented polyvinyl alcohol (PVA)-natural rubber latex (NRL) hydrogel (OPNH) with multiscale oriented structure is demonstrated. The shape memory function comes from the stretch-induced crystallization of natural rubber (NR), while PVA forms strong hydrogen bonding interactions with proteins and phospholipids on the surface of NRL particles. Meanwhile, the reconfigurable interactions of PVA and NR produce a multiscale-oriented structure during stretch-drying, improving the mechanical and shape memory properties. The resultant OPNH shows excellent interfacial compatibility, exhibiting outstanding mechanical performance (3.2 MPa), high shape fixity (≈80%) and shape recovery ratio (≈92%), high actuation strength (206 kPa), working capacity (105 kJ m- 3), extremely short response time (≈2 s), low response temperature (28 °C) and smart thermal responsiveness. It can even maintain muscle-like working capacity when lifting a load equivalent to 372 times its weight, providing a new class shape memory material for the application in smart biomimetic muscles and multistimulus responsive devices.
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Affiliation(s)
- Zhaohui Li
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, Shan Dong Sheng, Qing Dao Shi, 266042, China
| | - Zewei Li
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, Shan Dong Sheng, Qing Dao Shi, 266042, China
| | - Shihao Zhou
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, Shan Dong Sheng, Qing Dao Shi, 266042, China
| | - Jianming Zhang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, Shan Dong Sheng, Qing Dao Shi, 266042, China
| | - Lu Zong
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, Shan Dong Sheng, Qing Dao Shi, 266042, China
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9
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Yu K, Yang L, Zhang N, Wang S, Liu H. Development of nanocellulose hydrogels for application in the food and biomedical industries: A review. Int J Biol Macromol 2024; 272:132668. [PMID: 38821305 DOI: 10.1016/j.ijbiomac.2024.132668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 05/22/2024] [Accepted: 05/24/2024] [Indexed: 06/02/2024]
Abstract
As the most abundant and renewable natural resource, cellulose has attracted significant attention and research interest for the production of hydrogels (HGs). To address environmental issues and emerging demands, the benefits of naturally produced HGs include excellent mechanical properties and superior biocompatibility. HGs are three-dimensional networks created by chemical or physical cross-linking of linear or branched hydrophilic polymers and have high capacity for absorption of water and biological fluids. Although widely used in the food and biomedical fields, most HGs are not biodegradable. Nanocellulose hydrogels (NC-HGs) have been extensively applied in the food industry for detection of freshness, chemical additives, and substitutes, as well as the biomedical field for use as bioengineering scaffolds and drug delivery systems owing to structural interchangeability and stimuli-responsive properties. In this review article, the sources, structures, and preparation methods of NC-HGs are described, applications in the food and biomedical industries are summarized, and current limitations and future trends are discussed.
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Affiliation(s)
- Kejin Yu
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Institute of Ocean Research, Bohai University, Jinzhou 121013, China
| | - Lina Yang
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Institute of Ocean Research, Bohai University, Jinzhou 121013, China.
| | - Ning Zhang
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Institute of Ocean Research, Bohai University, Jinzhou 121013, China
| | - Shengnan Wang
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Institute of Ocean Research, Bohai University, Jinzhou 121013, China
| | - He Liu
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Institute of Ocean Research, Bohai University, Jinzhou 121013, China
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10
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Wang XQ, Xie AQ, Cao P, Yang J, Ong WL, Zhang KQ, Ho GW. Structuring and Shaping of Mechanically Robust and Functional Hydrogels toward Wearable and Implantable Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2309952. [PMID: 38389497 DOI: 10.1002/adma.202309952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 02/16/2024] [Indexed: 02/24/2024]
Abstract
Hydrogels possess unique features such as softness, wetness, responsiveness, and biocompatibility, making them highly suitable for biointegrated applications that have close interactions with living organisms. However, conventional man-made hydrogels are usually soft and brittle, making them inferior to the mechanically robust biological hydrogels. To ensure reliable and durable operation of biointegrated wearable and implantable devices, mechanical matching and shape adaptivity of hydrogels to tissues and organs are essential. Recent advances in polymer science and processing technologies have enabled mechanical engineering and shaping of hydrogels for various biointegrated applications. In this review, polymer network structuring strategies at micro/nanoscales for toughening hydrogels are summarized, and representative mechanical functionalities that exist in biological materials but are not easily achieved in synthetic hydrogels are further discussed. Three categories of processing technologies, namely, 3D printing, spinning, and coating for fabrication of tough hydrogel constructs with complex shapes are reviewed, and the corresponding hydrogel toughening strategies are also highlighted. These developments enable adaptive fabrication of mechanically robust and functional hydrogel devices, and promote application of hydrogels in the fields of biomedical engineering, bioelectronics, and soft robotics.
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Affiliation(s)
- Xiao-Qiao Wang
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, 215123, China
| | - An-Quan Xie
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, 215123, China
| | - Pengle Cao
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, 215123, China
| | - Jian Yang
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, 215123, China
| | - Wei Li Ong
- Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583, Singapore
| | - Ke-Qin Zhang
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, 215123, China
| | - Ghim Wei Ho
- Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583, Singapore
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11
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Niu Q, Huang L, Fan S, Yao X, Zhang Y. 3D Printing Silk Fibroin/Polyacrylamide Triple-Network Composite Hydrogels with Stretchability, Conductivity, and Strain-Sensing Ability as Bionic Electronic Skins. ACS Biomater Sci Eng 2024; 10:3489-3499. [PMID: 38661561 DOI: 10.1021/acsbiomaterials.4c00201] [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] [Indexed: 04/26/2024]
Abstract
Electronic skins have received increasing attention due to their great application potential in wearable electronics. Meanwhile, tremendous efforts are still needed for the fabrication of multifunctional composite hydrogels with complex structures for electronic skins via simple methods. In this work, a novel three-dimensional (3D) printing composite hydrogel with stretchability, conductivity, and strain-sensing ability is produced using a one-step photocuring method to achieve a dual-signal response of the electronic skin. The composite hydrogel exhibits a triple-network structure composed of silk microfibers (SMF), regenerated silk fibroin (RSF), and polyacrylamide (PAM). The establishment of triple networks is based on the electrostatic interaction between SMF and RSF, as well as the chemically cross-linked RSF and PAM. Thanks to its specific structure and components, the composite hydrogel possesses enhanced mechanical properties (elastic modulus of 140 kPa, compressive stress of 21 MPa, and compression modulus of 600 kPa) and 3D printability while retaining stretchability and flexibility. The interaction between negatively charged SMF and cations in phosphate-buffered saline endows the composite hydrogel with good conductivity and strain-sensing ability after immersion in a low-concentration (10 mM) salt solution. Moreover, the 3D printing composite hydrogel scaffold successfully realizes real-time monitoring. Therefore, the proposed hydrogel-based ionic sensor is promising for skin tissue engineering, real-time monitoring, soft robotics, and human-machine interfaces.
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Affiliation(s)
- Qianqian Niu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Li Huang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Suna Fan
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Xiang Yao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Yaopeng Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
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12
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Wang S, Lei L, Tian Y, Ning H, Hu N, Wu P, Jiang H, Zhang L, Luo X, Liu F, Zou R, Wen J, Wu X, Xiang C, Liu J. Strong, tough and anisotropic bioinspired hydrogels. MATERIALS HORIZONS 2024; 11:2131-2142. [PMID: 38376175 DOI: 10.1039/d3mh02032k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
Soft materials are widely used in tissue engineering, soft robots, wearable electronics, etc. However, it remains a challenge to fabricate soft materials, such as hydrogels, with both high strength and toughness that are comparable to biological tissues. Inspired by the anisotropic structure of biological tissues, a novel solvent-exchange-assisted wet-stretching strategy is proposed to prepare anisotropic polyvinyl alcohol (PVA) hydrogels by tuning the macromolecular chain movement and optimizing the polymer network. The reinforcing and toughening mechanisms are found to be "macromolecule crystallization and nanofibril formation". These hydrogels exhibit excellent mechanical properties, such as extremely high fracture stress (12.8 ± 0.7 MPa) and fracture strain (1719 ± 77%), excellent modulus (4.51 ± 0.76 MPa), high work of fracture (134.47 ± 9.29 MJ m-3), and fracture toughness (305.04 kJ m-2) compared with other strong hydrogels and even natural tendons. In addition, excellent conductivity, strain sensing capability, water retention, freezing resistance, swelling resistance, and biocompatibility can also be achieved. This work provides a new and effective method to fabricate multifunctional anisotropic hydrogels with high tunable strength and toughness with potential applications in the fields of regenerative medicine, flexible sensors, and soft robotics.
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Affiliation(s)
- Shu Wang
- College of Aerospace Engineering, Chongqing University, 174 Shazheng St, Shapingba District, Chongqing, 400044, P. R. China.
- State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China
| | - Ling Lei
- College of Aerospace Engineering, Chongqing University, 174 Shazheng St, Shapingba District, Chongqing, 400044, P. R. China.
| | - Yuanhao Tian
- Southwest Technology and Engineering Research Institute, Chongqing, 400039, P. R. China
| | - Huiming Ning
- College of Aerospace Engineering, Chongqing University, 174 Shazheng St, Shapingba District, Chongqing, 400044, P. R. China.
| | - Ning Hu
- College of Aerospace Engineering, Chongqing University, 174 Shazheng St, Shapingba District, Chongqing, 400044, P. R. China.
- School of Mechanical Engineering, Hebei University of Technology, Tianjin, 300401, P. R. China
| | - Peiyi Wu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, P. R. China
| | - Hanqing Jiang
- School of Engineering, Westlake University, Hangzhou, 310024, P. R. China
| | - Lidan Zhang
- School of Basic Medicine, Chongqing Medical University, 400042, P. R. China
| | - Xiaolin Luo
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, China
| | - Feng Liu
- College of Aerospace Engineering, Chongqing University, 174 Shazheng St, Shapingba District, Chongqing, 400044, P. R. China.
| | - Rui Zou
- School of Mechanical Engineering, Hebei University of Technology, Tianjin, 300401, P. R. China
| | - Jie Wen
- School of Mechanical Engineering, Hebei University of Technology, Tianjin, 300401, P. R. China
| | - Xiaopeng Wu
- College of Aerospace Engineering, Chongqing University, 174 Shazheng St, Shapingba District, Chongqing, 400044, P. R. China.
| | - Chenxing Xiang
- College of Aerospace Engineering, Chongqing University, 174 Shazheng St, Shapingba District, Chongqing, 400044, P. R. China.
| | - Jie Liu
- State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Changsha, Hunan, 410082, P. R. China.
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13
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Feng X, Xing C, Wang C, Tian Y, Shang S, Liu H, Huang X, Jiang J, Song Z, Zhang H. Degradable, anti-swelling, high-strength cellulosic hydrogels via salting-out and ionic coordination. Int J Biol Macromol 2024; 267:131536. [PMID: 38608993 DOI: 10.1016/j.ijbiomac.2024.131536] [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: 01/04/2024] [Revised: 03/26/2024] [Accepted: 04/09/2024] [Indexed: 04/14/2024]
Abstract
Cellulosic hydrogels are widely used in various applications, as they are natural raw materials and have excellent degradability. However, their poor mechanical properties restrict their practical application. This study presents a facile approach for fabricating cellulosic hydrogels with high strength by synergistically utilizing salting-out and ionic coordination, thereby inducing the collapse and aggregation of cellulose chains to form a cross-linked network structure. Cellulosic hydrogels are prepared by soaking cellulose in an Al2(SO4)3 solution, which is both strong (compressive strength of up to 16.99 MPa) and tough (compressive toughness of up to 2.86 MJ/m3). The prepared cellulosic hydrogels exhibit resistance to swelling in different solutions and good biodegradability in soil. The cellulosic hydrogels are incorporated into strain sensors for human-motion monitoring by introducing AgNWs. Thus, the study offers a promising, simple, and scalable approach for preparing strong, degradable, and anti-swelling hydrogels using common biomass resources with considerable potential for various applications.
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Affiliation(s)
- Xuezhen Feng
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, National Engineering Laboratory for Biomass Chemical Utilization, Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing 210042, China; College of Materials Science and Technology, Beijing Forestry University, Beijing 100083, China
| | - Chen Xing
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China
| | - Chao Wang
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, National Engineering Laboratory for Biomass Chemical Utilization, Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing 210042, China
| | - Yabing Tian
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, National Engineering Laboratory for Biomass Chemical Utilization, Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing 210042, China
| | - Shibin Shang
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, National Engineering Laboratory for Biomass Chemical Utilization, Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing 210042, China
| | - He Liu
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, National Engineering Laboratory for Biomass Chemical Utilization, Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing 210042, China
| | - Xujuan Huang
- School of Chemical and Chemistry, Yancheng Institute of Technology, Jiangsu 210042, China
| | - Jianxin Jiang
- College of Materials Science and Technology, Beijing Forestry University, Beijing 100083, China
| | - Zhanqian Song
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, National Engineering Laboratory for Biomass Chemical Utilization, Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing 210042, China
| | - Haibo Zhang
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, National Engineering Laboratory for Biomass Chemical Utilization, Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing 210042, China.
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14
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Li H, Chng CB, Zheng H, Wu MS, Bartolo PJDS, Qi HJ, Tan YJ, Zhou K. Self-Healable and 4D Printable Hydrogel for Stretchable Electronics. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305702. [PMID: 38263891 PMCID: PMC10987146 DOI: 10.1002/advs.202305702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 11/21/2023] [Indexed: 01/25/2024]
Abstract
Materials with high stretchability and conductivity are used to fabricate stretchable electronics. Self-healing capability and four-dimensional (4D) printability are becoming increasingly important for these materials to facilitate their recovery from damage and endow them with stimuli-response properties. However, it remains challenging to design a single material that combines these four strengths. Here, a dually crosslinked hydrogel is developed by combining a covalently crosslinked acrylic acid (AAC) network and Fe3+ ions through dynamic and reversible ionically crosslinked coordination. The remarkable electrical sensitivity (a gauge factor of 3.93 under a strain of 1500%), superior stretchability (a fracture strain up to 1700%), self-healing ability (a healing efficiency of 88% and 97% for the mechanical and electrical properties, respectively), and 4D printability of the hydrogel are demonstrated by constructing a strain sensor, a two-dimensional touch panel, and shape-morphing structures with water-responsive behavior. The hydrogel demonstrates vast potential for applications in stretchable electronics.
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Affiliation(s)
- Huijun Li
- Singapore Centre for 3D Printing, School of Mechanical and Aerospace EngineeringNanyang Technological University50 Nanyang AvenueSingapore639798Singapore
| | - Chin Boon Chng
- Department of Mechanical Engineering, College of Design and EngineeringNational University of Singapore9 Engineering DriveSingapore117575Singapore
| | - Han Zheng
- Singapore Centre for 3D Printing, School of Mechanical and Aerospace EngineeringNanyang Technological University50 Nanyang AvenueSingapore639798Singapore
| | - Mao See Wu
- Singapore Centre for 3D Printing, School of Mechanical and Aerospace EngineeringNanyang Technological University50 Nanyang AvenueSingapore639798Singapore
| | - Paulo Jorge Da Silva Bartolo
- Singapore Centre for 3D Printing, School of Mechanical and Aerospace EngineeringNanyang Technological University50 Nanyang AvenueSingapore639798Singapore
| | - H. Jerry Qi
- School of Mechanical EngineeringGeorgia Institute of TechnologyAtlantaGA30332USA
| | - Yu Jun Tan
- Department of Mechanical Engineering, College of Design and EngineeringNational University of Singapore9 Engineering DriveSingapore117575Singapore
- Centre for Additive ManufacturingNational University of SingaporeSingapore117602Singapore
| | - Kun Zhou
- Singapore Centre for 3D Printing, School of Mechanical and Aerospace EngineeringNanyang Technological University50 Nanyang AvenueSingapore639798Singapore
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15
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Meng X, Qi L, Xia C, Jin X, Zhou J, Dong A, Li J, Yang R. Preparation of environmentally friendly, high strength, adhesion and stability hydrogel based on lignocellulose framework. Int J Biol Macromol 2024; 263:130158. [PMID: 38368986 DOI: 10.1016/j.ijbiomac.2024.130158] [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: 12/08/2023] [Revised: 01/25/2024] [Accepted: 02/11/2024] [Indexed: 02/20/2024]
Abstract
Hydrogels are extensively utilized in the fields of electronic skin, environmental monitoring, biological dressings due to their excellent flexibility and conductivity. However, traditional hydrogel materials possess drawbacks such as environmental toxicity, low strength, poor stability, and water loss deactivation, which limited its frequent applications. Here, a flexible conductive hydrogel called wood-based DES hydrogel (WDH) with high strength, high adhesion, high stability, and high sensitivity was successfully synthesized by using environmentally friendly lignocellulose as skeleton and deep eutectic solvent as matrix. The strength of WDH prepared from lignocellulose framework is approximately 50 times higher than poly deep eutectic solvent hydrogel, and about 4.5 times higher than that prepared from cellulose skeleton. The WDH exhibits stable adhesion to most common materials and demonstrates exceptional dimensional stability. Its conductivity remains unaffected by water, even after prolonged exposure to air, maintaining a value of 0.0245 S/m. The anisotropy inherent in the system results in three distinct linear sensing intervals for WDH, exhibiting a maximum sensitivity of 5.45. This paper verified the advantages of lignocellulose framework in improving the strength and stability of hydrogels, which provided a new strategy for the development of sensor materials.
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Affiliation(s)
- Xiangzhen Meng
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Linghui Qi
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Changlei Xia
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Xin Jin
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Jing Zhou
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Anran Dong
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Jianzhang Li
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China; China Jiangsu Key Open Laboratory of Wood Processing and Wood-Based Panel Technology, Nanjing, Jiangsu 210037, China
| | - Rui Yang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China; China Jiangsu Key Open Laboratory of Wood Processing and Wood-Based Panel Technology, Nanjing, Jiangsu 210037, China.
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16
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Lin X, Huang C, Wu P, Chai H, Cai C, Peng Y, Wang J, Li Y, Xu D, Li X. Efficient fabrication of anisotropic regenerated cellulose films from bamboo via a facile wet extrusion strategy. Int J Biol Macromol 2024; 265:130966. [PMID: 38508546 DOI: 10.1016/j.ijbiomac.2024.130966] [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: 11/28/2023] [Revised: 03/05/2024] [Accepted: 03/15/2024] [Indexed: 03/22/2024]
Abstract
Bamboo, featuring fast growth rate and high cellulose content, is considered to be one of the most attractive feedstocks for degradable bio-materials as a substitute for plastics. However, those was limited to the fields of bamboo structural materials mainly by physical processes. Herein, we report a facile continuous wet extrusion strategy for scalable manufacturing of anisotropic regenerated cellulose films in alkali/urea aqueous solution for the first time. The bamboo cellulose solution was regenerated in H2SO4/Na2SO4/ZnSO4 aqueous solution to facilitate the construction of dense fibrils networks. Moreover, under the synergistic effect of shear orientations and stretching processes in wet extrusion molding, the cellulose networks promoted further orientated assembly into aligned fibrils. Therefore, these anisotropic cellulose hydrogels exhibited good mechanical properties, and the tensile strength was increased from 1.67 MPa of anisotropic cellulose hydrogel with 1.0 of stretching ration (ACH-1.0) to 2.13 MPa of ACH-1.4 with increasing stretching ratio from 1.0 to 1.4, which was about 1.34 times higher than that of the isotropic hydrogel fabricated by tape-casting. Moreover, ACH-1.4 exhibited commendable thermal stability and air barrier properties. This work demonstrated a simple and continuous bottom-up approach for fabrication of anisotropic bamboo-based cellulose hydrogels and films with excellent mechanical properties.
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Affiliation(s)
- Xinghuan Lin
- College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, PR China; Engineering Research Center of Bamboo Advanced Materials and Conversion of Jiangxi Province, Gannan Normal University, Ganzhou 341000, PR China
| | - Chuanlin Huang
- College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, PR China; Engineering Research Center of Bamboo Advanced Materials and Conversion of Jiangxi Province, Gannan Normal University, Ganzhou 341000, PR China
| | - Pingping Wu
- College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, PR China; Engineering Research Center of Bamboo Advanced Materials and Conversion of Jiangxi Province, Gannan Normal University, Ganzhou 341000, PR China
| | - Huteng Chai
- College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, PR China; Engineering Research Center of Bamboo Advanced Materials and Conversion of Jiangxi Province, Gannan Normal University, Ganzhou 341000, PR China
| | - Chunsheng Cai
- College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, PR China; Engineering Research Center of Bamboo Advanced Materials and Conversion of Jiangxi Province, Gannan Normal University, Ganzhou 341000, PR China
| | - Yun Peng
- College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, PR China; Engineering Research Center of Bamboo Advanced Materials and Conversion of Jiangxi Province, Gannan Normal University, Ganzhou 341000, PR China
| | - Junmei Wang
- College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, PR China; Engineering Research Center of Bamboo Advanced Materials and Conversion of Jiangxi Province, Gannan Normal University, Ganzhou 341000, PR China
| | - Yibao Li
- College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, PR China; Engineering Research Center of Bamboo Advanced Materials and Conversion of Jiangxi Province, Gannan Normal University, Ganzhou 341000, PR China
| | - Dingfeng Xu
- College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, PR China; Engineering Research Center of Bamboo Advanced Materials and Conversion of Jiangxi Province, Gannan Normal University, Ganzhou 341000, PR China.
| | - Xingxing Li
- College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, PR China; Engineering Research Center of Bamboo Advanced Materials and Conversion of Jiangxi Province, Gannan Normal University, Ganzhou 341000, PR China.
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17
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Selvaraj S, Chauhan A, Dutta V, Verma R, Rao SK, Radhakrishnan A, Ghotekar S. A state-of-the-art review on plant-derived cellulose-based green hydrogels and their multifunctional role in advanced biomedical applications. Int J Biol Macromol 2024; 265:130991. [PMID: 38521336 DOI: 10.1016/j.ijbiomac.2024.130991] [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: 12/30/2023] [Revised: 03/14/2024] [Accepted: 03/17/2024] [Indexed: 03/25/2024]
Abstract
The most prevalent carbohydrate on Earth is cellulose, a polysaccharide composed of glucose units that may be found in diverse sources, such as cell walls of wood and plants and some bacterial and algal species. The inherent availability of this versatile material provides a natural pathway for exploring and identifying novel uses. This study comprehensively analyzes cellulose and its derivatives, exploring their structural and biochemical features and assessing their wide-ranging applications in tissue fabrication, surgical dressings, and pharmaceutical delivery systems. The use of diverse cellulose particles as fundamental components gives rise to materials with distinct microstructures and characteristics, fulfilling the requirements of various biological applications. Although cellulose boasts substantial potential across various sectors, its exploration has predominantly unfolded within industrial realms, leaving the biomedical domain somewhat overlooked in its initial stages. This investigation, therefore, endeavors to shed light on the contemporary strides made in synthesizing cellulose and its derivatives. These innovative techniques give rise to distinctive attributes, presenting a treasure trove of advantages for their compelling integration into the intricate tapestry of biomedical applications.
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Affiliation(s)
- Satheesh Selvaraj
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam 603103, Tamil Nadu, India; Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam 603103, Tamil Nadu, India
| | - Ankush Chauhan
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam 603103, Tamil Nadu, India; Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam 603103, Tamil Nadu, India.
| | - Vishal Dutta
- University Centre for Research and Development, Department of Chemistry, Chandigarh University, Gharuan, Mohali, Punjab, India
| | - Ritesh Verma
- Department of Physics, Amity University, Gurugram, Haryana 122413, India
| | - Subha Krishna Rao
- Centre for Nanoscience and Nanotechnology, International Research Centre, Sathyabama Institute for Science and Technology, Chennai 600119, India
| | - Arunkumar Radhakrishnan
- Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam 603103, Tamil Nadu, India; Department of Pharmacology, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam 603103, Tamil Nadu, India
| | - Suresh Ghotekar
- Department of Chemistry, Smt. Devkiba Mohansinhji Chauhan College of Commerce and Science (University of Mumbai), Silvassa 396230, UT of DNH & DD, India.
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18
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Gao F, Yang X, Song W. Bioinspired Supramolecular Hydrogel from Design to Applications. SMALL METHODS 2024; 8:e2300753. [PMID: 37599261 DOI: 10.1002/smtd.202300753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Indexed: 08/22/2023]
Abstract
Nature offers a wealth of opportunities to solve scientific and technological issues based on its unique structures and function. The dynamic non-covalent interaction is considered to be the main base of living functions of creatures including humans, animals, and plants. Supramolecular hydrogels formed by non-covalent bonding interactions has become a unique platform for constructing promising materials for medicine, energy, electronic, and biological substitute. In this review, the self-assemble principle of supramolecular hydrogels is summarized. Next, the stimulation of external environment that triggers the assembly or disassembly of supramolecular hydrogels are recapitulated, including temperature, mechanics, light, pH, ions, etc. The main applications of bioinspired supramolecular hydrogels in terms of bionic objects including humans, animals, and plants are also described. Although so many efforts are done for revealing the synergized mechanism of the function and non-covalent interactions on the supramolecular hydrogel, the complexity and variability between stimulus and non-covalent bonding in the supramolecular system still require impeccable theories. As an outlook, the bioinspired supramolecular hydrogel is just beginning to exhibit its great potential in human life, offering significant opportunities in drug delivery and screening, implantable devices and substitutions, tissue engineering, micro-fluidic devices, and biosensors.
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Affiliation(s)
- Feng Gao
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Xuhao Yang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Wenlong Song
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
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19
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Meng X, Zhou J, Jin X, Xia C, Ma S, Hong S, Aladejana JT, Dong A, Luo Y, Li J, Zhan X, Yang R. High-Strength, High-Swelling-Resistant, High-Sensitivity Hydrogel Sensor Prepared with Wood That Retains Lignin. Biomacromolecules 2024; 25:1696-1708. [PMID: 38381837 DOI: 10.1021/acs.biomac.3c01228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Wood-derived hydrogels possess satisfactory longitudinal strength but lack excellent swelling resistance and dry shrinkage resistance when achieving high anisotropy. In this study, we displayed the preparation of highly dimensional stable wood/polyacrylamide hydrogels (wood/PAM-Al3+). The alkali-treated wood retains lignin as the skeleton of the hydrogel. Second, Al ions were added to the metal coordination with lignin. Finally, by employing free radical polymerization, we construct a conductive electronic network using polyaniline within the wood/PAM-Al3+ matrix to create the flexible sensor. This approach leverages lignin's integrated structure within the middle lamella to provide enhanced swelling resistance and stronger binding strength in the transverse direction. Furthermore, coordination between lignin and Al ions improves the mechanical strength of the wood hydrogel. Polyaniline provides stable linear pressure and temperature responses. The wood/PAM-Al3+ exhibits a transverse swelling ratio of 3.90% while achieving a longitudinal tensile strength of 20.5 MPa. This high-strength and high-stability sensor is capable of monitoring macroscale human behavior. Therefore, this study presents a simple yet innovative strategy for constructing tough hydrogels while also establishing an alternative pathway for exploring lignin networks in new functional materials development.
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Affiliation(s)
- Xiangzhen Meng
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Jing Zhou
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Xin Jin
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Changlei Xia
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
- China Jiangsu Key Open Laboratory of Wood Processing and Wood-Based Panel Technology, Nanjing, Jiangsu 210037, China
| | - Shanyu Ma
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Shu Hong
- Hollingsworth & Vose (Suzhou) Co., Ltd., Suzhou Industrial Park, Suzhou 215126, China
| | - John Tosin Aladejana
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Anran Dong
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Yujia Luo
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Jianzhang Li
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Xianxu Zhan
- Dehua Tubaobao New Decoration Material Co., Ltd., Huzhou 313200, China
| | - Rui Yang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
- China Jiangsu Key Open Laboratory of Wood Processing and Wood-Based Panel Technology, Nanjing, Jiangsu 210037, China
- Dehua Tubaobao New Decoration Material Co., Ltd., Huzhou 313200, China
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20
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Fan P, Fan H, Wang S. From emerging modalities to advanced applications of hydrogel piezoelectrics based on chitosan, gelatin and related biological macromolecules: A review. Int J Biol Macromol 2024; 262:129691. [PMID: 38272406 DOI: 10.1016/j.ijbiomac.2024.129691] [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: 11/08/2023] [Revised: 12/29/2023] [Accepted: 01/21/2024] [Indexed: 01/27/2024]
Abstract
The rapid development of functional materials and manufacturing technologies is fostering advances in piezoelectric materials (PEMs). PEMs can convert mechanical energy into electrical energy. Unlike traditional power sources, which need to be replaced and are inconvenient to carry, PEMs have extensive potential applications in smart wearable and implantable devices. However, the application of conventional PEMs is limited by their poor flexibility, low ductility, and susceptibility to fatigue failure. Incorporating hydrogels, which are flexible, stretchable, and self-healing, providing a way to overcome these limitations of PEMs. Hydrogel-based piezoelectric materials (H-PEMs) not only resolve the shortcomings of traditional PEMs but also provide biocompatibility and more promising application potential. This paper summarizes the working principle of H-PEMs. Recent advances in the use of H-PEMs as sensors and in vitro energy harvesting devices for smart wearable devices are described in detail, with emphasis on application scenarios in human body like fingers, wrists, ankles, and feet. In addition, the recent progress of H-PEMs in implantable medical devices, especially the potential applications in human body parts such as bones, skin, and heart, are also elaborated. In addition, challenges and potential improvements in H-PEMs are discussed.
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Affiliation(s)
- Peng Fan
- School of Materials and Chemistry, University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai 200093, PR China
| | - Hengwei Fan
- Department of Hepatic Surgery Dept I, the Eastern Hepatobiliary Surgery Hospital, Navy Medical University, No. 225 Changhai Road, Shanghai 200438, PR China.
| | - Shige Wang
- School of Materials and Chemistry, University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai 200093, PR China; Department of Mechanical Engineering, The University of Hong Kong, Hong Kong SAR 999077, PR China.
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21
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Luo J, Song T, Han T, Qi H, Liu Q, Wang Q, Song Z, Rojas O. Multifunctioning of carboxylic-cellulose nanocrystals on the reinforcement of compressive strength and conductivity for acrylic-based hydrogel. Carbohydr Polym 2024; 327:121685. [PMID: 38171694 DOI: 10.1016/j.carbpol.2023.121685] [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: 11/13/2023] [Revised: 12/04/2023] [Accepted: 12/08/2023] [Indexed: 01/05/2024]
Abstract
Simultaneously having competitive compressive properties, fatigue-resistant stability, excellent conductivity and sensitivity has still remained a challenge for acrylic-based conductive hydrogels, which is critical in their use in the sensor areas where pressure is performed. In this work, an integrated strategy was proposed for preparing a conductive hydrogel based on acrylic acid (AA) and sodium alginate (SA) by addition of carboxylic-cellulose nanocrystals (CNC-COOH) followed by metal ion interaction to reinforce its compressive strength and conductivity simultaneously. The CNC-COOH played a multifunctional role in the hydrogel by well-dispersing SA and AA in the hydrogel precursor solution for forming a uniform semi-interpenetrating network, providing more hydrogen bonds with SA and AA, more -COOH for metal ion interactions to form uniform multi-network, and also offering high modulus to the final hydrogel. Accordingly, the as-prepared hydrogels showed simultaneous excellent compressive strength (up to 3.02 MPa at a strain of 70 %) and electrical conductivity (6.25 S m-1), good compressive fatigue-resistant (93.2 % strength retention after 1000 compressive cycles under 50 % strain) and high sensitivity (gauge factor up to 14.75). The hydrogel strain sensor designed in this work is capable of detecting human body movement of pressing, stretching and bending with highly sensitive conductive signals, which endows it great potential for multi-scenario strain sensing applications.
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Affiliation(s)
- Jintang Luo
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, PR China; State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, PR China; Guangzhou Key Laboratory of Sensing Materials & Devices, Centre for Advanced Analytical Science, School of Chemistry and Chemical Engineering, c/o School of Civil Engineering, Guangzhou University, Guangzhou 510006, PR China; China National Pulp and Paper Research Institute Co., Ltd., Beijing 100102, PR China; Bioproducts Institute, Department of Chemical & Biological Engineering, Department of Chemistry, Department of Wood Science, 2360 East Mall, The University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Tao Song
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, PR China; State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, PR China.
| | - Tingting Han
- Guangzhou Key Laboratory of Sensing Materials & Devices, Centre for Advanced Analytical Science, School of Chemistry and Chemical Engineering, c/o School of Civil Engineering, Guangzhou University, Guangzhou 510006, PR China.
| | - Haisong Qi
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, PR China
| | - Qunhua Liu
- China National Pulp and Paper Research Institute Co., Ltd., Beijing 100102, PR China
| | - Qiang Wang
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, PR China
| | - Zhongqian Song
- Guangzhou Key Laboratory of Sensing Materials & Devices, Centre for Advanced Analytical Science, School of Chemistry and Chemical Engineering, c/o School of Civil Engineering, Guangzhou University, Guangzhou 510006, PR China; College of Artificial Intelligence and Big Data for Medical Sciences, Shandong First Medical University, Shandong Academy of Medical Sciences, Jinan 250117, PR China
| | - Orlando Rojas
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, PR China; Bioproducts Institute, Department of Chemical & Biological Engineering, Department of Chemistry, Department of Wood Science, 2360 East Mall, The University of British Columbia, Vancouver, BC V6T 1Z3, Canada
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22
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Ren H, Zhang Z, Chen X, He C. Stimuli-Responsive Hydrogel Adhesives for Wound Closure and Tissue Regeneration. Macromol Biosci 2024; 24:e2300379. [PMID: 37827713 DOI: 10.1002/mabi.202300379] [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: 08/19/2023] [Revised: 09/27/2023] [Indexed: 10/14/2023]
Abstract
Sutures and staplers, as gold standards for clinical wound closure, usually cause secondary tissue injury and require professional technicians and equipment. The noninvasive hydrogel adhesives are used in various biomedical applications, such as wound closure, tissue sealing, and tissue regeneration, due to their remarkable properties. Recently-developed hydrogel adhesives, especially stimuli-responsive hydrogels, have shown great potential owing to their advantages in regulating their performance and functions according to the wound situations or external conditions, thus allowing the wounds to heal gradually. However, comprehensive summary on stimuli-responsive hydrogels as tissue adhesives is rarely reported to date. This review focuses on the advances in the design of various stimuli-responsive hydrogel adhesives over the past decade, including the systems responsive to pH, temperature, photo, and enzymes. Their potential biomedical applications, such as skin closure, cardiovascular and liver hemostasis, and gastrointestinal sealing, are emphasized. Meanwhile, the challenges and future development of stimuli-responsive hydrogel adhesives are discussed. This review aims to provide meaningful insights for the further design of next-generation of hydrogel adhesives for wound closure and tissue regeneration.
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Affiliation(s)
- Hui Ren
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Zhen Zhang
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Xuesi Chen
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Chaoliang He
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China
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23
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Li S, Cheng Y, Zhu H, Xu M, Lv H, Wang Z, Liu G, Song H. Strain-Induced Phase Separation and Mechanomodulation of Ionic Conduction in Anisotropic Nanocomposite Ionogels. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38422366 DOI: 10.1021/acsami.3c19167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
Ionogels have great potential for the development of tissue-like, soft, and stretchable ionotronics. However, conventional isotropic ionogels suffer from poor mechanical properties, low efficient force transmission, and tardy mechanoelectric response, hindering their practical utility. Here, we propose a simple one-step method to fabricate bioinspired anisotropic nanocomposite ionogels based on a combination of strain-induced phase separation and mechanomodulation of ionic conduction in the presence of attapulgite nanorods. These ionogels show high stretchability (747.1% strain), tensile strength (6.42 MPa), Young's modulus (83.49 MPa), and toughness (18.08 MJ/m3). Importantly, the liquid crystalline domain alignment-induced microphase separation and ionic conductivity enhancement during stretching endow these ionogels with an unusual mechanoelectric response and dual-programmable shape-memory properties. Moreover, the anisotropic structure, good elasticity, and unique resistance-strain responsiveness give the ionogel-based strain sensors high sensitivity, rapid response time, excellent fatigue resistance, and unique waveform-discernible strain sensing, which can be applied to real-time monitoring of human motions. The findings offer a promising way to develop bioinspired anisotropic ionogels to modulate the microstructure and properties for practical applications in advanced ionotronics.
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Affiliation(s)
- Shuaijie Li
- College of Chemistry and Materials Science, Hebei University, Baoding, Hebei Province 071002, P. R. China
| | - Yan Cheng
- College of Chemistry and Materials Science, Hebei University, Baoding, Hebei Province 071002, P. R. China
| | - Hongnan Zhu
- College of Chemistry and Materials Science, Hebei University, Baoding, Hebei Province 071002, P. R. China
| | - Min Xu
- College of Chemistry and Materials Science, Hebei University, Baoding, Hebei Province 071002, P. R. China
| | - Hongying Lv
- College of Chemistry and Materials Science, Hebei University, Baoding, Hebei Province 071002, P. R. China
| | - Zhuoer Wang
- College of Chemistry and Materials Science, Hebei University, Baoding, Hebei Province 071002, P. R. China
| | - Guoming Liu
- CAS Key Laboratory of Engineering Plastics, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Hongzan Song
- College of Chemistry and Materials Science, Hebei University, Baoding, Hebei Province 071002, P. R. China
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24
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Kim YW, Park JM, Park CS, Na H, Kang YW, Lee W, Sun JY. Anisotropically Conductive Hydrogels with Directionally Aligned PEDOT:PSS in a PVA Matrix. ACS APPLIED MATERIALS & INTERFACES 2024; 16:4013-4023. [PMID: 38189267 DOI: 10.1021/acsami.3c16094] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Electrical anisotropy, which is characterized by the efficient transmission of electrical signals in specific directions, is prevalent in both natural and engineered systems. However, traditional anisotropically conductive materials are often rigid and dry, thus limiting their utility in applications aiming for the seamless integration of various technologies with biological tissues. In the present study, we introduce a method for precisely controlling the microstructures of conductive and insulating polymers to create highly anisotropically conductive composite hydrogels. Our methodology involves combining aligned poly(vinyl alcohol) microfibrils, infused poly(3,4-ethylenedioxythiophene) polystyrenesulfonate, and sodium citrate precipitation to form dense, aligned conductive paths. This significantly enhances the electrical conductivity anisotropy (σ∥/σ⊥ ≈ 60.8) within these composite hydrogels.
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Affiliation(s)
- Yong-Woo Kim
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
- Research Institute of Advanced Materials, Seoul National University, Seoul 08826, Republic of Korea
| | - Jae-Man Park
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
- Research Institute of Advanced Materials, Seoul National University, Seoul 08826, Republic of Korea
| | - Chang Seo Park
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
- Research Institute of Advanced Materials, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyeonuk Na
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
- Research Institute of Advanced Materials, Seoul National University, Seoul 08826, Republic of Korea
| | - Yong-Woo Kang
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
- Research Institute of Advanced Materials, Seoul National University, Seoul 08826, Republic of Korea
| | - Wooseop Lee
- Pohang Accelerator Laboratory, POSTECH, Pohang 37673, Republic of Korea
| | - Jeong-Yun Sun
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
- Research Institute of Advanced Materials, Seoul National University, Seoul 08826, Republic of Korea
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25
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Xue E, Liu L, Wu W, Wang B. Soft Fiber/Textile Actuators: From Design Strategies to Diverse Applications. ACS NANO 2024; 18:89-118. [PMID: 38146868 DOI: 10.1021/acsnano.3c09307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
Fiber/textile-based actuators have garnered considerable attention due to their distinctive attributes, encompassing higher degrees of freedom, intriguing deformations, and enhanced adaptability to complex structures. Recent studies highlight the development of advanced fibers and textiles, expanding the application scope of fiber/textile-based actuators across diverse emerging fields. Unlike sheet-like soft actuators, fibers/textiles with intricate structures exhibit versatile movements, such as contraction, coiling, bending, and folding, achieved through adjustable strain and stroke. In this review article, we provide a timely and comprehensive overview of fiber/textile actuators, including structures, fabrication methods, actuation principles, and applications. After discussing the hierarchical structure and deformation of the fiber/textile actuator, we discuss various spinning strategies, detailing the merits and drawbacks of each. Next, we present the actuation principles of fiber/fabric actuators, along with common external stimuli. In addition, we provide a summary of the emerging applications of fiber/textile actuators. Concluding with an assessment of existing challenges and future opportunities, this review aims to provide a valuable perspective on the enticing realm of fiber/textile-based actuators.
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Affiliation(s)
- Enbo Xue
- School of Electronic Science & Engineering, Southeast University, Nanjing, Jiangsu 210096, P. R. China
| | - Limei Liu
- College of Mechanical Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, P. R. China
| | - Wei Wu
- Laboratory of Printable Functional Materials and Printed Electronics, School of Physics and Technology, Wuhan University, Wuhan 430072, P. R. China
| | - Binghao Wang
- School of Electronic Science & Engineering, Southeast University, Nanjing, Jiangsu 210096, P. R. China
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26
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Zhu S, Wang S, Huang Y, Tang Q, Fu T, Su R, Fan C, Xia S, Lee PS, Lin Y. Bioinspired structural hydrogels with highly ordered hierarchical orientations by flow-induced alignment of nanofibrils. Nat Commun 2024; 15:118. [PMID: 38168050 PMCID: PMC10761753 DOI: 10.1038/s41467-023-44481-8] [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: 07/09/2023] [Accepted: 12/14/2023] [Indexed: 01/05/2024] Open
Abstract
Natural structural materials often possess unique combinations of strength and toughness resulting from their complex hierarchical assembly across multiple length scales. However, engineering such well-ordered structures in synthetic materials via a universal and scalable manner still poses a grand challenge. Herein, a simple yet versatile approach is proposed to design hierarchically structured hydrogels by flow-induced alignment of nanofibrils, without high time/energy consumption or cumbersome postprocessing. Highly aligned fibrous configuration and structural densification are successfully achieved in anisotropic hydrogels under ambient conditions, resulting in desired mechanical properties and damage-tolerant architectures, for example, strength of 14 ± 1 MPa, toughness of 154 ± 13 MJ m-3, and fracture energy of 153 ± 8 kJ m-2. Moreover, a hydrogel mesoporous framework can deliver ultra-fast and unidirectional water transport (maximum speed at 65.75 mm s-1), highlighting its potential for water purification. This scalable fabrication explores a promising strategy for developing bioinspired structural hydrogels, facilitating their practical applications in biomedical and engineering fields.
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Affiliation(s)
- Shuihong Zhu
- Department of Physics, Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials Research, Xiamen University, Xiamen, 361005, PR China
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Sen Wang
- Department of Physics, Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials Research, Xiamen University, Xiamen, 361005, PR China
| | - Yifan Huang
- Key Laboratory of Quantum Materials and Devices of Ministry of Education, School of Physics, Southeast University, Nanjing, 211189, PR China
| | - Qiyun Tang
- Key Laboratory of Quantum Materials and Devices of Ministry of Education, School of Physics, Southeast University, Nanjing, 211189, PR China
| | - Tianqi Fu
- Department of Physics, Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials Research, Xiamen University, Xiamen, 361005, PR China
| | - Riyan Su
- Shandong Huankeyuan Environmental Testing Co., Ltd, Jinan, 250013, PR China
| | - Chaoyu Fan
- Department of Physics, Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials Research, Xiamen University, Xiamen, 361005, PR China
| | - Shuang Xia
- Department of Physics, Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials Research, Xiamen University, Xiamen, 361005, PR China
| | - Pooi See Lee
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.
| | - Youhui Lin
- Department of Physics, Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials Research, Xiamen University, Xiamen, 361005, PR China.
- National Institute for Data Science in Health and Medicine, Xiamen University, Xiamen, 361102, PR China.
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27
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Wang S, Sun Z, Ahmad M, Fu W, Gao Z. Engineered cellulose nanofibers membranes with oppositely charge characteristics for high-performance salinity gradient power generation by reverse electrodialysis. Int J Biol Macromol 2023; 253:126608. [PMID: 37652325 DOI: 10.1016/j.ijbiomac.2023.126608] [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: 06/15/2023] [Revised: 08/23/2023] [Accepted: 08/28/2023] [Indexed: 09/02/2023]
Abstract
Reverse electrodialysis (RED) using nanofluidic ion-selective membrane may convert the salinity difference between seawater and river water into electricity. However, heterogeneous modification reactions of cellulose commonly leads to the inhomogeneous distribution of surface charges, thereby hampering the improvement of cellulose-based nanofluidic membranes for energy conversion. Herein, RED devices based on cellulose nanofibers (CNF) membranes with opposite charge characteristics were developed for the generation of salinity gradient power. Anion-CNF membrane (A-CNF) with varying negative charge densities was synthesized using 2,2,6,6-Tetramethylpiperidine 1-oxy radical (TEMPO) oxidation modification, whereas cation-CNF membrane (C-CNF) was prepared through etherification. By mixing artificial seawater and river water, the output power density of CNF RED device is up to 2.87 W m-2. The output voltage of 30 RED units connected in series may reach up to 3.11 V, which can be used to directly power tiny electronic devices viz. LED lamp, calculator, etc. The results of this work provide a feasible possibility for widespread application of ion exchange membranes for salinity gradient energy harvesting.
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Affiliation(s)
- Sha Wang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China; International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
| | - Zhe Sun
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Mehraj Ahmad
- College of Light Industry and Food, Department of Food Science and Engineering, Nanjing Forestry University, Nanjing 210037, China; Joint International Research Lab of Lignocellulosic Functional Materials and Provincial Key Lab of Pulp and Paper Sci. & Tech., Nanjing Forestry University, Nanjing 210037, China
| | - Wenkai Fu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Zongxia Gao
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
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28
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Mao X, Ding X, Wang Q, Sun X, Qin L, Huang F, Wen L, Xiang X. Oriented Self-assembly of Flexible MOFs Nanocrystals into Anisotropic Superstructures with Homogeneous Hydrogels Behaviors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2308739. [PMID: 38054629 DOI: 10.1002/smll.202308739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 11/09/2023] [Indexed: 12/07/2023]
Abstract
Building of metal-organic frameworks (MOFs) homogeneous hydrogels made by spontaneous crystallization remains a significant challenge. Inspired by anisotropically structured materials in nature, an oriented super-assembly strategy to construct micro-scale MOFs superstructure is reported, in which the strong intermolecular interactions between zirconium-oxygen (Zr─O) cluster and glutamic acid are utilized to drive the self-assembly of flexible nanoribbons into pumpkin-like microspheres. The confined effect between water-flexible building blocks and crosslinked hydrogen networks of superstructures achieved a mismatch transformation of MOFs powders into homogeneous hydrogels. Importantly, the elastic and rigid properties of hydrogels can be simply controlled by precise modulation of coordination and self-assembly for anisotropic superstructure. Experimental results and theoretical calculations demonstrates that MOFs anisotropic superstructure exhibits dynamic double networks with a superior water harvesting capacity (119.73 g g-1 ) accompanied with heavy metal removal (1331.67 mg g-1 ) and strong mechanical strength (Young's modulus of 0.3 GPa). The study highlights the unique possibility of tailoring MOFs superstructure with homogeneous hydrogel behavior for application in diverse fields.
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Affiliation(s)
- Xiaoyan Mao
- Center for Membrane Separation and Water Science & Technology, State Key Lab Base of Green Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Xinqi Ding
- College of Food Science and Technology, Key Laboratory of Marine Fishery Resources Exploitment & Utilization, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Qi Wang
- Marine Academy of Zhejiang Province, Hangzhou, 310014, China
| | - Xiping Sun
- Center for Membrane Separation and Water Science & Technology, State Key Lab Base of Green Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Lei Qin
- Center for Membrane Separation and Water Science & Technology, State Key Lab Base of Green Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Fei Huang
- Center for Membrane Separation and Water Science & Technology, State Key Lab Base of Green Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Luhong Wen
- Research Institute of Advanced Technologies, Ningbo University, Ningbo, 315211, China
| | - Xingwei Xiang
- College of Food Science and Technology, Key Laboratory of Marine Fishery Resources Exploitment & Utilization, Zhejiang University of Technology, Hangzhou, 310014, China
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Sun Y, Jiang R, Hu L, Song Y, Li M. Electrokinetic transport phenomena in nanofluidics and their applications. Electrophoresis 2023; 44:1756-1773. [PMID: 37438973 DOI: 10.1002/elps.202300115] [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: 05/25/2023] [Revised: 06/23/2023] [Accepted: 06/28/2023] [Indexed: 07/14/2023]
Abstract
Much progress has been made in the electrokinetic phenomena inside nanochannels in the last decades. As the dimensions of the nanochannels are compatible to that of the electric double layer (EDL), the electrokinetics inside nanochannels indicate many unexpected behaviors, which show great potential in the fields of material science, biology, and chemistry. This review summarizes the recent development of nanofluidic electrokinetics in both fundamental and applied research. First, the techniques for constructing nanochannels are introduced to give a guideline for choosing the optimal fabrication technique based on the specific feature of the nanochannel. Then, the theories and experimental investigations of the EDL, electroosmotic flow, and electrophoresis of nanoparticles inside the nanochannels are discussed. Furthermore, the applications of nanofluidic electrokinetics in iontronics, sensing, and biomolecule separation fields are summarized. In Section 5, some critical challenges and the perspective on the future development of nanofluidic electrokinetics are briefly proposed.
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Affiliation(s)
- Ya Sun
- Department of Environmental Science and Engineering, Dalian Maritime University, Dalian, Liaoning, P. R. China
| | - Rui Jiang
- Department of Marine Engineering, Dalian Maritime University, Dalian, Liaoning, P. R. China
| | - Lide Hu
- Department of Marine Engineering, Dalian Maritime University, Dalian, Liaoning, P. R. China
| | - Yongxin Song
- Department of Marine Engineering, Dalian Maritime University, Dalian, Liaoning, P. R. China
| | - Mengqi Li
- Department of Marine Engineering, Dalian Maritime University, Dalian, Liaoning, P. R. China
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Wu J, Ma Q, Pang Q, Hu S, Wan Z, Peng X, Cheng X, Geng L. Constructing triple-network cellulose nanofiber hydrogels with excellent strength, toughness and conductivity for real-time monitoring of human movements. Carbohydr Polym 2023; 321:121282. [PMID: 37739523 DOI: 10.1016/j.carbpol.2023.121282] [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: 06/03/2023] [Revised: 07/17/2023] [Accepted: 08/08/2023] [Indexed: 09/24/2023]
Abstract
In recent years, there has been a lot of interest in developing composite hydrogels with superior mechanical and conductive properties. In this study, triple-network (TN) cellulose nanofiber hydrogels were prepared by using cellulose nanofiber as the first network, isotropic poly(acrylamide-co-acrylic acid) as the second network, and polyvinyl alcohol as the third network via a cyclic freezing-thawing process. The strong (9.43 ± 0.14 MPa tensile strength, (445.5 ± 7.0)% elongation-at-break), tough (15.12 ± 0.14 MJ/m3 toughness), and conductive (0.0297 ± 0.00021 S/cm ionic conductivity) TN cellulose nanofiber hydrogels were effectively created after being pre-stretched in an external force field, cross-linked by Fe3+ and added Li+. The produced composite TN cellulose nanofiber hydrogels were successfully used as a flexible sensor for real-time monitoring and detecting human movements, highlighting their potential for wearable electronics, medical technology, and human-machine interaction. CHEMICAL COMPOUNDS STUDIED IN THIS ARTICLE: Acrylamide (PubChem CID: 6579); Acrylic acid (PubChem CID: 6581); Ammonium persulfate (PubChem CID: 6579); N, N'-methylene bisacrylamide (PubChem CID: 17956053); Sodium bromide (PubChem CID: 253881); Sodium hydroxide (PubChem CID: 14798); Sodium hypochlorite (PubChem CID: 23665760); Sodium chlorite (PubChem CID: 23668197); 2,2,6,6-tetramethylpiperidinyl-1-oxide (PubChem CID: 2724126); Polyvinyl alcohol (PubChem CID: 11199); Lithium chloride (PubChem CID: 433294); Iron nitrate nonahydrate (PubChem CID: 129774236).
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Affiliation(s)
- Jianming Wu
- Key Laboratory of Polymer Materials and Products of Universities in Fujian, Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou, Fujian 350118, China.
| | - Qian Ma
- Key Laboratory of Polymer Materials and Products of Universities in Fujian, Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou, Fujian 350118, China
| | - Qingkai Pang
- Key Laboratory of Polymer Materials and Products of Universities in Fujian, Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou, Fujian 350118, China
| | - Shuaishuai Hu
- Key Laboratory of Polymer Materials and Products of Universities in Fujian, Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou, Fujian 350118, China
| | - Zhihao Wan
- Key Laboratory of Polymer Materials and Products of Universities in Fujian, Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou, Fujian 350118, China
| | - Xiangfang Peng
- Key Laboratory of Polymer Materials and Products of Universities in Fujian, Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou, Fujian 350118, China
| | - Xi Cheng
- National Mold Product Quality Supervision and Inspection Center, Guangdong Dongguan Quality Supervision Testing Center, Dongguan, Guangdong 523808, China.
| | - Lihong Geng
- Key Laboratory of Polymer Materials and Products of Universities in Fujian, Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou, Fujian 350118, China.
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31
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Wu Z, Wang B, Li J, Jia Y, Chen S, Wang H, Chen L, Shuai L. Stretchable and Durable Bacterial Cellulose-Based Thermocell with Improved Thermopower Density for Low-Grade Heat Harvesting. NANO LETTERS 2023; 23:10297-10304. [PMID: 37955657 DOI: 10.1021/acs.nanolett.3c02870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
Low-grade heat exists ubiquitously in the environment, and gel-state thermogalvanic cells (GTCs) can directly convert thermal energy into electricity by a redox reaction. However, their low ionic conductivity and poor mechanical properties are still insufficient for their potential applications. Here, we designed a bacterial cellulose (BC) nanofiber-macromolecular entanglement network to balance the GTC's thermopower and mechanical properties. Therefore, the BC-GTC shows a Seebeck coefficient of 3.84 mV K-1, an ionic conductivity of 108.5 mS cm-1, and a high specific output power density of 1760 μW m-2 K-2, which are much higher than most current literature. Further connecting 15 units of BC-GTCs, the output voltage of 3.35 V can be obtained at a temperature gradient of 65 K, which can directly power electronic devices such as electronic calculators, thermohydrometers, fans, and light-emitting diodes (LEDs). This work offers a promising method for developing high-performance and durable GTC in sustainable green energy.
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Affiliation(s)
- Zhuotong Wu
- College of Materials Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, People's Republic of China
| | - Baoxiu Wang
- School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, People's Republic of China
| | - Jing Li
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China
| | - Yuhang Jia
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China
| | - Shiyan Chen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China
| | - Huaping Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China
| | - Lihui Chen
- College of Materials Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, People's Republic of China
| | - Li Shuai
- College of Materials Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, People's Republic of China
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He N, Wang H, Zhang H, Jiang B, Tang D, Li L. Ionization Engineering of Hydrogels Enables Highly Efficient Salt-Impeded Solar Evaporation and Night-Time Electricity Harvesting. NANO-MICRO LETTERS 2023; 16:8. [PMID: 37932502 PMCID: PMC10628017 DOI: 10.1007/s40820-023-01215-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 09/11/2023] [Indexed: 11/08/2023]
Abstract
Interfacial solar evaporation holds immense potential for brine desalination with low carbon footprints and high energy utilization. Hydrogels, as a tunable material platform from the molecular level to the macroscopic scale, have been considered the most promising candidate for solar evaporation. However, the simultaneous achievement of high evaporation efficiency and satisfactory tolerance to salt ions in brine remains a challenging scientific bottleneck, restricting the widespread application. Herein, we report ionization engineering, which endows polymer chains of hydrogels with electronegativity for impeding salt ions and activating water molecules, fundamentally overcoming the hydrogel salt-impeded challenge and dramatically expediting water evaporating in brine. The sodium dodecyl benzene sulfonate-modified carbon black is chosen as the solar absorbers. The hydrogel reaches a ground-breaking evaporation rate of 2.9 kg m-2 h-1 in 20 wt% brine with 95.6% efficiency under one sun irradiation, surpassing most of the reported literature. More notably, such a hydrogel-based evaporator enables extracting clean water from oversaturated salt solutions and maintains durability under different high-strength deformation or a 15-day continuous operation. Meantime, on the basis of the cation selectivity induced by the electronegativity, we first propose an all-day system that evaporates during the day and generates salinity-gradient electricity using waste-evaporated brine at night, anticipating pioneer a new opportunity for all-day resource-generating systems in fields of freshwater and electricity.
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Affiliation(s)
- Nan He
- School of Energy and Power Engineering, Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian, 116024, People's Republic of China
| | - Haonan Wang
- School of Energy and Power Engineering, Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian, 116024, People's Republic of China
| | - Haotian Zhang
- School of Energy and Power Engineering, Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian, 116024, People's Republic of China
| | - Bo Jiang
- School of Energy and Power Engineering, Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian, 116024, People's Republic of China
| | - Dawei Tang
- School of Energy and Power Engineering, Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian, 116024, People's Republic of China
| | - Lin Li
- School of Energy and Power Engineering, Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian, 116024, People's Republic of China.
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Xie Y, Li Z, Zhang Y, Lu Y, Zhang J, Zong L. Ultralight, Heat-Insulated, and Tough PVA Hydrogel Hybridized with SiO 2 @cellulose Nanoclaws Aerogel via the Synergy of Hydrophilic and Hydrophobic Interfacial Interactions. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2303044. [PMID: 37403301 DOI: 10.1002/smll.202303044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/04/2023] [Indexed: 07/06/2023]
Abstract
Lightweight porous hydrogels provide a worldwide scope for functional soft mateirals. However, most porous hydrogels have weak mechanical strength, high density (>1 g cm-3 ), and high heat absorption due to weak interfacial interactions and high solvent fill rates, which severely limit their application in wearable soft-electronic devices. Herein, an effective hybrid hydrogel-aerogel strategy to assemble ultralight, heat-insulated, and tough polyvinyl alcohol (PVA)/SiO2 @cellulose nanoclaws (CNCWs) hydrogels (PSCG) via strong interfacial interactions with hydrogen bonding and hydrophobic interaction is demonstrated. The resultant PSCG has an interesting hierarchical porous structure from bubble template (≈100 µm), PVA hydrogels networks introduced by ice crystals (≈10 µm), and hybrid SiO2 aerogels (<50 nm), respectively. PSCG shows unprecedented low density (0.27 g cm-3 ), high tensile strength (1.6 MPa) & compressive strength (1.5 MPa), excellent heat-insulated ability, and strain-sensitive conductivity. This lightweight porous and tough hydrogel with an ingenious design provides a new way for wearable soft-electronic devices.
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Affiliation(s)
- Yuqi Xie
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, School of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Zhaohui Li
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, School of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Yawen Zhang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, School of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Yunjie Lu
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, School of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Jianming Zhang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, School of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Lu Zong
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, School of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
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Ghosh S, Abraham E, Smalyukh II. Low-Voltage Haze Tuning with Cellulose-Network Liquid Crystal Gels. ACS NANO 2023; 17:19767-19778. [PMID: 37725591 DOI: 10.1021/acsnano.3c03693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Being key components of the building envelope, glazing products with tunable optical properties are in great demand because of their potential for boosting energy efficiency and privacy features while enabling the main function of allowing natural light indoors. However, windows and skylights with electric switching of haze and transparency are rare and often require high voltages or electric currents, as well as not fully meet the stringent technical requirements for glazing applications. Here, by introducing a predesigned gel material we describe an approach dubbed "Haze-Switch" that involves low-voltage tuning of the haze coefficient in a broad range of 2-90% while maintaining high visible-range optical transmittance. The approach is based on a nanocellulose fiber gel network infiltrated by a nematic liquid crystal, which can be switched between polydomain and monodomain spatial patterns of optical axis via a dielectric coupling between the nematic domains and the applied external electric field. By utilizing a nanocellulose network of nanofibers ∼10 nm in diameter we achieve <10 V dielectric switching and <2% haze in the clear state, as needed for applications in window products. We characterize physical properties relevant to window and smart glass technologies, like the color rendering index, haze coefficient, and switching times, demonstrating that our material and envisaged products can meet the stringent requirements of the glass industry, including applications such as privacy windows, skylights, sunroofs, and daylighting.
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Affiliation(s)
- Souvik Ghosh
- Department of Physics, University of Colorado, Boulder, Colorado 80309, United States
| | - Eldho Abraham
- Department of Physics, University of Colorado, Boulder, Colorado 80309, United States
| | - Ivan I Smalyukh
- Department of Physics, University of Colorado, Boulder, Colorado 80309, United States
- International Institute for Sustainability with Knotted Chiral Meta Matter (WPI-SKCM2), Hiroshima University, Boulder, Higashihiroshima 739-8526, Japan
- Renewable and Sustainable Energy Institute, National Renewable Energy Laboratory and University of Colorado, Boulder, Colorado 80309, United States
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35
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Li J, Zhang X, Su Z, Li T, Wang Z, Dong S, Xu F, Ma X, Yin J, Jiang X. Self-wrinkling coating for impact resistance and mechanical enhancement. Sci Bull (Beijing) 2023; 68:2200-2209. [PMID: 37633832 DOI: 10.1016/j.scib.2023.08.021] [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: 04/06/2023] [Revised: 06/26/2023] [Accepted: 07/26/2023] [Indexed: 08/28/2023]
Abstract
Protective materials are essential for personal, electronic, and military defenses owing to their efficient impact-resistant and energy-absorbing properties. Inspired by the bottom-up fabrication process and energy dissipation mechanism of natural organisms with hierarchical structures, we demonstrated a self-wrinkled photo-curing coating as a new protective material for enhancing the anti-impact property of the substrates. Owing to the self-assembly of polydimethylsiloxane (PDMS) containing polymeric photoinitiator on the surface, the liquid coating formulation was photo-cured by one-step UV irradiation with simultaneous generation of self-wrinkled surface morphology and a gradient cross-linked architecture. The maximum impact resistance height (hmax) of the glass substrate coated with plain coating increased from 120 to 180 cm when coated with wrinkled gradient coating. Furthermore, the Young's modulus, fracture stress, and toughness of the wrinkled gradient coating film improved from 39.6 MPa, 2.4 MPa, and 74.1 MJ/cm3 to 235.0 MPa (∼5× increase), 18.5 MPa (∼6.6× increase), and 845.0 MJ/cm3 (∼10.8× increase) compared to the pure coating film as reference. The theoretical simulation and experimental results proved that the surface self-wrinkled morphology and intrinsic hierarchical architecture contribute to the energy dissipation and impact resistance of the cured coating. The photo-curing process, a bottom-up strategy, is conducted in a non-contact mode compared with nano-printing and lithography, enabling bulk materials to be engineered.
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Affiliation(s)
- Jin Li
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiaoliang Zhang
- Department of Aeronautics and Astronautics, Fudan University, Shanghai 200433, China
| | - Zhilong Su
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Tiantian Li
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zehong Wang
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Shilong Dong
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Fan Xu
- Department of Aeronautics and Astronautics, Fudan University, Shanghai 200433, China.
| | - Xiaodong Ma
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jie Yin
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xuesong Jiang
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, China.
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Ding H, Liu J, Shen X, Li H. Advances in the Preparation of Tough Conductive Hydrogels for Flexible Sensors. Polymers (Basel) 2023; 15:4001. [PMID: 37836050 PMCID: PMC10575238 DOI: 10.3390/polym15194001] [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: 08/30/2023] [Revised: 09/24/2023] [Accepted: 09/29/2023] [Indexed: 10/15/2023] Open
Abstract
The rapid development of tough conductive hydrogels has led to considerable progress in the fields of tissue engineering, soft robots, flexible electronics, etc. Compared to other kinds of traditional sensing materials, tough conductive hydrogels have advantages in flexibility, stretchability and biocompatibility due to their biological structures. Numerous hydrogel flexible sensors have been developed based on specific demands for practical applications. This review focuses on tough conductive hydrogels for flexible sensors. Representative tactics to construct tough hydrogels and strategies to fulfill conductivity, which are of significance to fabricating tough conductive hydrogels, are briefly reviewed. Then, diverse tough conductive hydrogels are presented and discussed. Additionally, recent advancements in flexible sensors assembled with different tough conductive hydrogels as well as various designed structures and their sensing performances are demonstrated in detail. Applications, including the wearable skins, bionic muscles and robotic systems of these hydrogel-based flexible sensors with resistive and capacitive modes are discussed. Some perspectives on tough conductive hydrogels for flexible sensors are also stated at the end. This review will provide a comprehensive understanding of tough conductive hydrogels and will offer clues to researchers who have interests in pursuing flexible sensors.
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Affiliation(s)
- Hongyao Ding
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China; (H.D.)
| | - Jie Liu
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China; (H.D.)
| | - Xiaodong Shen
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China; (H.D.)
| | - Hui Li
- Key Laboratory for Light-Weight Materials, Nanjing Tech University, Nanjing 210009, China
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37
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Wang Y, Jiang X, Li X, Ding K, Liu X, Huang B, Ding J, Qu K, Sun W, Xue Z, Xu W. Bionic ordered structured hydrogels: structure types, design strategies, optimization mechanism of mechanical properties and applications. MATERIALS HORIZONS 2023; 10:4033-4058. [PMID: 37522298 DOI: 10.1039/d3mh00326d] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
Natural organisms, such as lobsters, lotus, and humans, exhibit exceptional mechanical properties due to their ordered structures. However, traditional hydrogels have limitations in their mechanical and physical properties due to their disordered molecular structures when compared with natural organisms. Therefore, inspired by nature and the properties of hydrogels similar to those of biological soft tissues, researchers are increasingly focusing on how to investigate bionic ordered structured hydrogels and render them as bioengineering soft materials with unique mechanical properties. In this paper, we systematically introduce the various structure types, design strategies, and optimization mechanisms used to enhance the strength, toughness, and anti-fatigue properties of bionic ordered structured hydrogels in recent years. We further review the potential applications of bionic ordered structured hydrogels in various fields, including sensors, bioremediation materials, actuators, and impact-resistant materials. Finally, we summarize the challenges and future development prospects of bionic ordered structured hydrogels in preparation and applications.
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Affiliation(s)
- Yanyan Wang
- School of Chemistry and Materials Science Ludong University, Yantai 264025, China.
| | - Xinyu Jiang
- School of Chemistry and Materials Science Ludong University, Yantai 264025, China.
| | - Xusheng Li
- School of Chemistry and Materials Science Ludong University, Yantai 264025, China.
| | - Kexin Ding
- School of Chemistry and Materials Science Ludong University, Yantai 264025, China.
| | - Xianrui Liu
- School of Chemistry and Materials Science Ludong University, Yantai 264025, China.
| | - Bin Huang
- School of Chemistry and Materials Science Ludong University, Yantai 264025, China.
| | - Junjie Ding
- School of Chemistry and Materials Science Ludong University, Yantai 264025, China.
| | - Keyu Qu
- School of Chemistry and Materials Science Ludong University, Yantai 264025, China.
| | - Wenzhi Sun
- School of Chemistry and Materials Science Ludong University, Yantai 264025, China.
| | - Zhongxin Xue
- School of Chemistry and Materials Science Ludong University, Yantai 264025, China.
| | - Wenlong Xu
- School of Chemistry and Materials Science Ludong University, Yantai 264025, China.
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38
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Hu L, Gao S, Zhao L, Dai L, Zhang D, Wang C, Fang X, Chu F. Highly Conductive, Anti-Freezing Hemicellulose-Based Hydrogels Prepared via Deep Eutectic Solvents and Their Applications. Gels 2023; 9:725. [PMID: 37754406 PMCID: PMC10528857 DOI: 10.3390/gels9090725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 08/25/2023] [Accepted: 08/31/2023] [Indexed: 09/28/2023] Open
Abstract
Hydrogels containing renewable resources, such as hemicellulose, have received a lot of attention owing to their softness and electrical conductivity which could be applied in soft devices and wearable equipment. However, traditional hemicellulose-based hydrogels generally exhibit poor electrical conductivity and suffer from freezing at lower temperatures owing to the presence of a lot of water. In this study, we dissolved hemicellulose by employing deep eutectic solvents (DESs), which were prepared by mixing choline chloride and imidazole. In addition, hemicellulose-based DES hydrogels were fabricated via photo-initiated reactions of acrylamide and hemicellulose with N, N'-Methylenebisacrylamide as a crosslinking agent. The produced hydrogels demonstrated high electrical conductivity and anti-freezing properties. The conductivity of the hydrogels was 2.13 S/m at room temperature and 1.97 S/m at -29 °C. The hydrogel's freezing point was measured by differential scanning calorimetry (DSC) to be -47.78 °C. Furthermore, the hemicellulose-based DES hydrogels can function as a dependable and sensitive strain sensor for monitoring a variety of human activities.
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Affiliation(s)
- Lisong Hu
- Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou 311400, China;
- National Engineering Laboratory for Biomass Chemical Utilization, Key Laboratory on Forest Chemical Engineering, SFA, Key Laboratory of Biomass Energy and Material, Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Nanjing 210042, China; (S.G.); (L.Z.); (L.D.); (C.W.); (F.C.)
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Shishuai Gao
- National Engineering Laboratory for Biomass Chemical Utilization, Key Laboratory on Forest Chemical Engineering, SFA, Key Laboratory of Biomass Energy and Material, Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Nanjing 210042, China; (S.G.); (L.Z.); (L.D.); (C.W.); (F.C.)
| | - Lihui Zhao
- National Engineering Laboratory for Biomass Chemical Utilization, Key Laboratory on Forest Chemical Engineering, SFA, Key Laboratory of Biomass Energy and Material, Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Nanjing 210042, China; (S.G.); (L.Z.); (L.D.); (C.W.); (F.C.)
| | - Lili Dai
- National Engineering Laboratory for Biomass Chemical Utilization, Key Laboratory on Forest Chemical Engineering, SFA, Key Laboratory of Biomass Energy and Material, Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Nanjing 210042, China; (S.G.); (L.Z.); (L.D.); (C.W.); (F.C.)
| | - Daihui Zhang
- National Engineering Laboratory for Biomass Chemical Utilization, Key Laboratory on Forest Chemical Engineering, SFA, Key Laboratory of Biomass Energy and Material, Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Nanjing 210042, China; (S.G.); (L.Z.); (L.D.); (C.W.); (F.C.)
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Chunpeng Wang
- National Engineering Laboratory for Biomass Chemical Utilization, Key Laboratory on Forest Chemical Engineering, SFA, Key Laboratory of Biomass Energy and Material, Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Nanjing 210042, China; (S.G.); (L.Z.); (L.D.); (C.W.); (F.C.)
| | - Xuezhi Fang
- Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou 311400, China;
| | - Fuxiang Chu
- National Engineering Laboratory for Biomass Chemical Utilization, Key Laboratory on Forest Chemical Engineering, SFA, Key Laboratory of Biomass Energy and Material, Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Nanjing 210042, China; (S.G.); (L.Z.); (L.D.); (C.W.); (F.C.)
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
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Gao YC, Yu ZL, Qin B, Chen C, Ma ZY, Yu SH. Superflexible Artificial Soft Wood. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2303518. [PMID: 37326618 DOI: 10.1002/adma.202303518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 06/01/2023] [Indexed: 06/17/2023]
Abstract
Soft woods have attracted enormous interest due to their anisotropic cellular microstructure and unique flexibility. The conventional wood-like materials are usually subject to the conflict between the superflexibility and robustness. Inspired by the synergistic compositions of soft suberin and rigid lignin of cork wood which has good flexibility and mechanical robustness, an artificial soft wood is reported by freeze-casting the soft-in-rigid (rubber-in-resin) emulsions, where the carboxy nitrile rubber confers softness and rigid melamine resin provides stiffness. The subsequent thermal curing induces micro-scale phase inversion and leads to a continuous soft phase strengthened by interspersed rigid ingredients. The unique configuration ensures crack resistance, structural robustness and superb flexibility, including wide-angle bending, twisting, and stretching abilities in various directions, as well as excellent fatigue resistance and high strength, overwhelming the natural soft wood and most wood-inspired materials. This superflexible artificial soft wood represents a promising substrate for bending-insensitive stress sensors.
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Affiliation(s)
- Yu-Cheng Gao
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei, 230026, China
| | - Zhi-Long Yu
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei, 230026, China
| | - Bing Qin
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei, 230026, China
| | - Cheng Chen
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei, 230026, China
| | - Zhi-Yuan Ma
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei, 230026, China
| | - Shu-Hong Yu
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei, 230026, China
- Instiute of Innovative Materials, Department of Materials Science and Engineering, Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China
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40
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Liu Q, Yu Z, Zhuang Q, Kim JK, Kang F, Zhang B. Anti-Fatigue Hydrogel Electrolyte for All-Flexible Zn-Ion Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2300498. [PMID: 37236630 DOI: 10.1002/adma.202300498] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 05/08/2023] [Indexed: 05/28/2023]
Abstract
Hydrogel electrolytes are widely explored in Zn metal batteries for application in wearable electronics. While extensive studies have been conducted on optimizing the chemical structure and boosting the tensile elasticity, the mechanical stability of the hydrogel under repeated deformation is largely overlooked, leading to unsatisfactory performance at large cycling capacity. This work systematically analyzes the compressive fatigue-resistance properties of the hydrogel electrolyte, revealing the critical roles of the salt and copolymer matrix on crack initiation and propagation. It shows that, on the premise of homogeneous Zn deposition, an improved anti-fatigue property is essential to achieve high-capacity Zn metal anodes. The optimal Zn(ClO4 )2 -polyacrylamide/chitosan hydrogel electrolyte (C-PAMCS) exhibits an unprecedented lifespan of 1500 h for Zn//Zn cells at a current density of 10 mA cm-2 and a high areal capacity of 10 mAh cm-2 . The potential application of C-PAMCS is exemplified in all-flexible Zn-ion batteries enabled by a flexible current collector consisting of a Ag nanowires embedded elastomer. This study provides the rationale under hydrogel electrolyte engineering toward advanced Zn-ion battereis and the application in flexible devices.
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Affiliation(s)
- Qun Liu
- Department of Applied Physics and Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, 999077, China
| | - Zhenlu Yu
- Department of Applied Physics and Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, 999077, China
| | - Qiuna Zhuang
- Laboratory for Advanced Interfacial Materials and Devices Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, 999077, China
| | - Jang-Kyo Kim
- Department of Mechanical Engineering, Khalifa University, P.O.Pox, Abu Dhabi, 127788, United Arab Emirates
- School of Mechanical and Manufacturing Engineering, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Feiyu Kang
- Shenzhen Geim Graphene Center, Institute of Materials Research, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
| | - Biao Zhang
- Department of Applied Physics and Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, 999077, China
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Ye Y, Yu L, Lizundia E, Zhu Y, Chen C, Jiang F. Cellulose-Based Ionic Conductor: An Emerging Material toward Sustainable Devices. Chem Rev 2023; 123:9204-9264. [PMID: 37419504 DOI: 10.1021/acs.chemrev.2c00618] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2023]
Abstract
Ionic conductors (ICs) find widespread applications across different fields, such as smart electronic, ionotronic, sensor, biomedical, and energy harvesting/storage devices, and largely determine the function and performance of these devices. In the pursuit of developing ICs required for better performing and sustainable devices, cellulose appears as an attractive and promising building block due to its high abundance, renewability, striking mechanical strength, and other functional features. In this review, we provide a comprehensive summary regarding ICs fabricated from cellulose and cellulose-derived materials in terms of fundamental structural features of cellulose, the materials design and fabrication techniques for engineering, main properties and characterization, and diverse applications. Next, the potential of cellulose-based ICs to relieve the increasing concern about electronic waste within the frame of circularity and environmental sustainability and the future directions to be explored for advancing this field are discussed. Overall, we hope this review can provide a comprehensive summary and unique perspectives on the design and application of advanced cellulose-based ICs and thereby encourage the utilization of cellulosic materials toward sustainable devices.
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Affiliation(s)
- Yuhang Ye
- Sustainable Functional Biomaterials Lab, Department of Wood Science, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
- Bioproducts Institute, The University of British Columbia, 2385 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
| | - Le Yu
- School of Resource and Environmental Sciences, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, P. R. China
| | - Erlantz Lizundia
- Life Cycle Thinking Group, Department of Graphic Design and Engineering Projects, Faculty of Engineering in Bilbao University of the Basque Country (UPV/EHU), Bilbao 48013, Spain
- BCMaterials Lab, Basque Center for Materials, Applications and Nanostructures, Leioa 48940, Spain
| | - Yeling Zhu
- Sustainable Functional Biomaterials Lab, Department of Wood Science, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
- Bioproducts Institute, The University of British Columbia, 2385 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
| | - Chaoji Chen
- School of Resource and Environmental Sciences, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, P. R. China
| | - Feng Jiang
- Sustainable Functional Biomaterials Lab, Department of Wood Science, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
- Bioproducts Institute, The University of British Columbia, 2385 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
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Wang H, Zhuang T, Wang J, Sun X, Wang Y, Li K, Dai X, Guo Q, Li X, Chong D, Chen B, Yan J. Multifunctional Filler-Free PEDOT:PSS Hydrogels with Ultrahigh Electrical Conductivity Induced by Lewis-Acid-Promoted Ion Exchange. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2302919. [PMID: 37352335 DOI: 10.1002/adma.202302919] [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: 03/29/2023] [Revised: 06/09/2023] [Indexed: 06/25/2023]
Abstract
Highly conductive hydrogels with biotissue-like mechanical properties are of great interest in the emerging field of hydrogel bioelectronics due to their good biocompatibility, deformability, and stability. Fully polymeric hydrogels may exhibit comparable Young's modulus to biotissues. However, most of these filler-free hydrogels have a low electrical conductivity of <10 S cm-1 , which limits their wide applications of them in digital circuits or bioelectronic devices. In this work, a series of metal-halides-doped poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) hydrogels with an ultrahigh electrical conductivity up to 547 S cm-1 is reported, which is 1.5 times to 104 times higher than previously reported filler-free polymeric hydrogels. Theoretical calculation demonstrated that the ion exchange between PEDOT:PSS and the metal halides played an important role to promote phase separation in the hydrogels, which thus leads to ultrahigh electrical conductivity. The high electrical conductivity resulted in multifunctional hydrogels with high performance in thermoelectrics, electromagnetic shielding, Joule heating, and sensing. Such flexible and stretchable hydrogels with ultrahigh electrical conductivity and stability upon various deformations are promising for soft bioelectronics devices and wearable electronics.
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Affiliation(s)
- Hong Wang
- State Key Laboratory of Multiphase Flow in Power Engineering & Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054, China
- School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, 710054, China
- Shaanxi Jianeng Flexible Thermoelectric Technology, Inc.|Western China Science and Technology Innovation Port, Fengxi New City, Xixian New District, Xi'an, 710048, China
| | - Tiantian Zhuang
- State Key Laboratory of Multiphase Flow in Power Engineering & Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Jing Wang
- State Key Laboratory of Multiphase Flow in Power Engineering & Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Xu Sun
- State Key Laboratory of Multiphase Flow in Power Engineering & Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Yizhuo Wang
- State Key Laboratory of Multiphase Flow in Power Engineering & Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Kuncai Li
- State Key Laboratory of Multiphase Flow in Power Engineering & Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Xu Dai
- State Key Laboratory of Multiphase Flow in Power Engineering & Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Qinyue Guo
- The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710054, China
| | - Xuhui Li
- State Key Laboratory of Multiphase Flow in Power Engineering & Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Daotong Chong
- State Key Laboratory of Multiphase Flow in Power Engineering & Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054, China
- School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Bin Chen
- State Key Laboratory of Multiphase Flow in Power Engineering & Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054, China
- School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Junjie Yan
- State Key Laboratory of Multiphase Flow in Power Engineering & Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054, China
- School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, 710054, China
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43
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Lin H, Wang R, Xu S, Li X, Song S. Tendon-Inspired Anisotropic Hydrogels with Excellent Mechanical Properties for Strain Sensors. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:6069-6077. [PMID: 37079920 DOI: 10.1021/acs.langmuir.3c00145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Anisotropic conductive hydrogels mimicking the natural tissues with high mechanical properties and intelligent sensing have played an important role in the field of flexible electronic devices. Herein, tensile remodeling, drying, and subsequent ion cross-linking methods were used to construct anisotropic hydrogels, which were inspired by the orientation and functionality of tendons. Due to the anisotropic arrangement of the polymer network, the mechanical performance and electrical conductivity were greatly improved in specific directions. The tensile stress and elastic modulus of the hydrogel along the network orientation were 29.82 and 28.53 MPa, which were higher than those along the vertical orientation, 9.63 and 11.7 MPa, respectively. Moreover, the hydrogels exhibited structure-dependent anisotropic sensing. The gauge factors (GFs) parallel to the prestretching direction were greater than the GF along the vertical direction. Thus, the tendon-inspired conductive hydrogels with anisotropy could be used as flexible sensors for joint motion detection and voice recognition. The anisotropic hydrogel-based sensors are highly expected to promote the great development of emerging soft electronics and medical detection.
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Affiliation(s)
- Huijuan Lin
- School of Chemistry and Chemical Engineering, Shandong University of Technology, 266 West Xincun Road, Zibo 255000, P. R. China
| | - Rui Wang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, 266 West Xincun Road, Zibo 255000, P. R. China
| | - Shengnu Xu
- School of Chemistry and Chemical Engineering, Shandong University of Technology, 266 West Xincun Road, Zibo 255000, P. R. China
| | - Xiangye Li
- School of Chemistry and Chemical Engineering, Shandong University of Technology, 266 West Xincun Road, Zibo 255000, P. R. China
| | - Shasha Song
- School of Chemistry and Chemical Engineering, Shandong University of Technology, 266 West Xincun Road, Zibo 255000, P. R. China
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44
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Wang F, Lee J, Chen L, Zhang G, He S, Han J, Ahn J, Cheong JY, Jiang S, Kim ID. Inspired by Wood: Thick Electrodes for Supercapacitors. ACS NANO 2023; 17:8866-8898. [PMID: 37126761 DOI: 10.1021/acsnano.3c01241] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The emergence and development of thick electrodes provide an efficient way for the high-energy-density supercapacitor design. Wood is a kind of biomass material with porous hierarchical structure, which has the characteristics of a straight channel, uniform pore structure, good mechanical strength, and easy processing. The wood-inspired low-tortuosity and vertically aligned channel architecture are highly suitable for the construction of thick electrochemical supcapacitor electrodes with high energy densities. This review summarizes the design concepts and processing parameters of thick electrode supercapacitors inspired by natural woods, including wood-based pore structural design regulation, electric double layer capacitances (EDLCs)/pseudocapacitance construction, and electrical conductivity optimization. In addition, the optimization strategies for preparing thick electrodes with wood-like structures (e.g., 3D printing, freeze-drying, and aligned-low tortuosity channels) are also discussed in detail. Further, this review presents current challenges and future trends in the design of thick electrodes for supercapacitors with wood-inspired pore structures. As a guideline, the brilliant blueprint optimization will promote sustainable development of wood-inspired structure design for thick electrodes and broaden the application scopes.
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Affiliation(s)
- Feng Wang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Jiyoung Lee
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Lian Chen
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Guoying Zhang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry Chinese Academy of Sciences, Taiyuan, Shanxi 030001, China
| | - Shuijian He
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Jingquan Han
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Jaewan Ahn
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Jun Young Cheong
- Bavarian Center for Battery Technology (BayBatt) and Department of Chemistry, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Shaohua Jiang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Il-Doo Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
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45
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Du G, Wang J, Liu Y, Yuan J, Liu T, Cai C, Luo B, Zhu S, Wei Z, Wang S, Nie S. Fabrication of Advanced Cellulosic Triboelectric Materials via Dielectric Modulation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2206243. [PMID: 36967572 PMCID: PMC10214270 DOI: 10.1002/advs.202206243] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 02/19/2023] [Indexed: 05/27/2023]
Abstract
The rapid rise of triboelectric nanogenerators (TENGs), which are emerging energy conversion devices in advanced electronics and wearable sensing systems, has elevated the interest in high-performance and multifunctional triboelectric materials. Among them, cellulosic materials, affording high efficiency, biodegradability, and customizability, are becoming a new front-runner. The inherently low dielectric constant limits the increase in the surface charge density. However, owing to its unique structure and excellent processability, cellulose shows great potential for dielectric modulation, providing a strong impetus for its advanced applications in the era of Internet of Things and artificial intelligence. This review aims to provide comprehensive insights into the fabrication of dielectric-enhanced cellulosic triboelectric materials via dielectric modulation. The exceptional advantages and research progress in cellulosic materials are highlighted. The effects of the dielectric constant, polarization, and percolation threshold on the charge density are systematically investigated, providing a theoretical basis for cellulose dielectric modulation. Typical dielectric characterization methods are introduced, and their technical characteristics are analyzed. Furthermore, the performance enhancements of cellulosic triboelectric materials endowed by dielectric modulation, including more efficient energy harvesting, high-performance wearable electronics, and impedance matching via material strategies, are introduced. Finally, the challenges and future opportunities for cellulose dielectric modulation are summarized.
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Affiliation(s)
- Guoli Du
- School of Light Industry and Food EngineeringGuangxi UniversityNanning530004P. R. China
| | - Jinlong Wang
- School of Light Industry and Food EngineeringGuangxi UniversityNanning530004P. R. China
| | - Yanhua Liu
- School of Light Industry and Food EngineeringGuangxi UniversityNanning530004P. R. China
| | - Jinxia Yuan
- School of Light Industry and Food EngineeringGuangxi UniversityNanning530004P. R. China
| | - Tao Liu
- School of Light Industry and Food EngineeringGuangxi UniversityNanning530004P. R. China
| | - Chenchen Cai
- School of Light Industry and Food EngineeringGuangxi UniversityNanning530004P. R. China
| | - Bin Luo
- School of Light Industry and Food EngineeringGuangxi UniversityNanning530004P. R. China
| | - Siqiyuan Zhu
- School of Light Industry and Food EngineeringGuangxi UniversityNanning530004P. R. China
| | - Zhiting Wei
- School of Light Industry and Food EngineeringGuangxi UniversityNanning530004P. R. China
| | - Shuangfei Wang
- School of Light Industry and Food EngineeringGuangxi UniversityNanning530004P. R. China
| | - Shuangxi Nie
- School of Light Industry and Food EngineeringGuangxi UniversityNanning530004P. R. China
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46
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Wang H, Lin H, Hu X, Zhou Z, Chen Q, Hong M, Fu H. Highly Flexible, Freezing-Resistant, Anisotropically Conductive Sandwich-Shaped Composite Hydrogels for Strain Sensors. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c04376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
Affiliation(s)
- Hu Wang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, P. R. China
| | - Huang Lin
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, P. R. China
| | - Xulian Hu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, P. R. China
| | - Zhaoxi Zhou
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Qihui Chen
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, P. R. Chain
| | - Maochun Hong
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, P. R. Chain
| | - Heqing Fu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, P. R. Chain
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Mohammadi A, Eivazzadeh-Keihan R, Aliabadi HAM, Kashtiaray A, Cohan RA, Bani MS, Komijani S, Etminan A, salehpour N, Maleki A, Mahdavi M. Magnetic carboxymethyl cellulose-silk fibroin hydrogel: a ternary nanobiocomposite exhibiting excellent biological activity and in vitro hyperthermia of cancer therapy. J Biotechnol 2023; 367:71-80. [PMID: 37028560 DOI: 10.1016/j.jbiotec.2023.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 03/30/2023] [Accepted: 04/03/2023] [Indexed: 04/08/2023]
Abstract
In this work, a magnetic nanobiocomposite scaffold based on carboxymethylcellulose (CMC) hydrogel, silk fibroin (SF), and magnetite nanoparticles was fabricated. The structural properties of this new magnetic nanobiocomposite were characterized by various analyses such as FT-IR, XRD, EDX, FE-SEM, TGA and VSM. According to the particle size histogram, most of the particles were between 55-77nm and the value of saturation magnetization of this nanobiocomposite was reported 41.65emu.g- 1. Hemolysis and MTT tests showed that the designed magnetic nanobiocomposite was compatible with the blood. In addition, the viability percentage of HEK293T normal cells did not change significantly, and the proliferation rate of BT549 cancer cells decreased in its vicinity. EC50 values for HEK293T normal cells after 48h and 72h were 3958 and 2566, respectively. Also, these values for BT549 cancer cells after 48h and 72h were 0.4545 and 0.9967, respectively. The efficiency of fabricated magnetic nanobiocomposite was appraised in a magnetic fluid hyperthermia manner. The specific absorption rate (SAR) of 69W/g (for the 1mg/mL sample at 200kHz) was measured under the alternating magnetic field (AMF).
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48
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Wang Y, Zhu L, Kong X, Lu H, Wang C, Huang Y, Wu M. Fabrication of an ion-enhanced low-temperature tolerant graphene/PAA/KCl hydrogel and its application for skin sensors. NANOSCALE 2023; 15:5938-5947. [PMID: 36883225 DOI: 10.1039/d2nr04803e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Flexible sensors based on conductive hydrogels show great potential in wearable displays and smart devices. However, a water-based hydrogel inevitably freezes or loses its conductivity under extremely cold temperatures, leading to inadequate fulfillment of sensor performance. Herein, a well-designed strategy is proposed for fabricating a low-temperature-tolerant water-based hydrogel for sensor applications. By immersing a multi-crosslinking graphene(GO)/polyacrylic acid (PAA)-Fe3+ hydrogel into a KCl solution, an ion-enhanced conductive (GO/PAA/KCl) hydrogel is obtained with excellent conductivity (24.4 S m-1 at 20 °C; 16.2 S m-1 at -20 °C; 0.8 S m-1 at -80 °C) and outstanding antifreezing properties. The conductive hydrogel also possesses good mechanical properties with a fracture stress of 2.65 MPa and an elongation at break of 1511% and maintains its flexibility even at -35 °C. Then, a strain sensor is assembled to monitor the human motion at 20 °C and the movement of a wooden mannequin at -20 °C. Under both conditions, the sensor presents high sensitivity (GF = 8.66 at 20 °C, 7.93 at -20 °C) and good durability (300 cycles under 100% strain). Consequently, the anti-freezing ion-enhanced hydrogel will meet the needs of flexible sensors designed for intelligent robots, health monitoring, etc., which have to work in cold regions or extreme climates.
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Affiliation(s)
- Yaoyao Wang
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 29 Zhongguancun East Road, Haidian District, Beijing 100190, China.
- Center of Materials Science and Optoelectronics Engineering, University of the Chinese Academy of Sciences, 19 A Yuquan Rd, Shijingshan District, Beijing, 100049, China
| | - Longhang Zhu
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 29 Zhongguancun East Road, Haidian District, Beijing 100190, China.
- Center of Materials Science and Optoelectronics Engineering, University of the Chinese Academy of Sciences, 19 A Yuquan Rd, Shijingshan District, Beijing, 100049, China
| | - XiangYu Kong
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 29 Zhongguancun East Road, Haidian District, Beijing 100190, China.
| | - Haimei Lu
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 29 Zhongguancun East Road, Haidian District, Beijing 100190, China.
- Center of Materials Science and Optoelectronics Engineering, University of the Chinese Academy of Sciences, 19 A Yuquan Rd, Shijingshan District, Beijing, 100049, China
| | - Chao Wang
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 29 Zhongguancun East Road, Haidian District, Beijing 100190, China.
| | - Yong Huang
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 29 Zhongguancun East Road, Haidian District, Beijing 100190, China.
| | - Min Wu
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 29 Zhongguancun East Road, Haidian District, Beijing 100190, China.
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49
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Garemark J, Perea-Buceta JE, Felhofer M, Chen B, Cortes Ruiz MF, Sapouna I, Gierlinger N, Kilpeläinen IA, Berglund LA, Li Y. Strong, Shape-Memory Lignocellulosic Aerogel via Wood Cell Wall Nanoscale Reassembly. ACS NANO 2023; 17:4775-4789. [PMID: 36716432 PMCID: PMC10018770 DOI: 10.1021/acsnano.2c11220] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
Polymer shape-memory aerogels (PSMAs) are prospects in various fields of application ranging from aerospace to biomedicine, as advanced thermal insulators, actuators, or sensors. However, the fabrication of PSMAs with good mechanical performance is challenging and is currently dominated by fossil-based polymers. In this work, strong, shape-memory bio-aerogels with high specific surface areas (up to 220 m2/g) and low radial thermal conductivity (0.042 W/mK) were prepared through a one-step treatment of native wood using an ionic liquid mixture of [MTBD]+[MMP]-/DMSO. The aerogel showed similar chemical composition similar to native wood. Nanoscale spatial rearrangement of wood biopolymers in the cell wall and lumen was achieved, resulting in flexible hydrogels, offering design freedom for subsequent aerogels with intricate geometries. Shape-memory function under stimuli of water was reported. The chemical composition and distribution, morphology, and mechanical performance of the aerogel were carefully studied using confocal Raman spectroscopy, AFM, SAXS/WAXS, NMR, digital image correlation, etc. With its simplicity, sustainability, and the broad range of applicability, the methodology developed for nanoscale reassembly of wood is an advancement for the design of biobased shape-memory aerogels.
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Affiliation(s)
- Jonas Garemark
- Wallenberg
Wood Science Center, Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, SE-10044Stockholm, Sweden
| | - Jesús E. Perea-Buceta
- Materials
Chemistry Division, Department of Chemistry, Faculty of Science, University of Helsinki, 00560Helsinki, Finland
| | - Martin Felhofer
- Department
of Nanobiotechnology, Institute of Biophysics, University of Natural Resources and Life Sciences, 1190Vienna, Austria
| | - Bin Chen
- Wallenberg
Wood Science Center, Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, SE-10044Stockholm, Sweden
| | - Maria F. Cortes Ruiz
- Wallenberg
Wood Science Center, Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, SE-10044Stockholm, Sweden
| | - Ioanna Sapouna
- Wallenberg
Wood Science Center, Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, SE-10044Stockholm, Sweden
- Division
of Glycoscience, Department of Chemistry, KTH Royal Institute of Technology, AlbaNova
University Centre, 106 91Stockholm, Sweden
| | - Notburga Gierlinger
- Department
of Nanobiotechnology, Institute of Biophysics, University of Natural Resources and Life Sciences, 1190Vienna, Austria
| | - Ilkka Antero Kilpeläinen
- Materials
Chemistry Division, Department of Chemistry, Faculty of Science, University of Helsinki, 00560Helsinki, Finland
| | - Lars A. Berglund
- Wallenberg
Wood Science Center, Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, SE-10044Stockholm, Sweden
| | - Yuanyuan Li
- Wallenberg
Wood Science Center, Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, SE-10044Stockholm, Sweden
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50
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Feng Y, Cölfen H, Xiong R. Organized mineralized cellulose nanostructures for biomedical applications. J Mater Chem B 2023. [PMID: 36892529 DOI: 10.1039/d2tb02611b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
Cellulose is the most abundant naturally-occurring polymer, and possesses a one-dimensional (1D) anisotropic crystalline nanostructure with outstanding mechanical robustness, biocompatibility, renewability and rich surface chemistry in the form of nanocellulose in nature. Such features make cellulose an ideal bio-template for directing the bio-inspired mineralization of inorganic components into hierarchical nanostructures that are promising in biomedical applications. In this review, we will summarize the chemistry and nanostructure characteristics of cellulose and discuss how these favorable characteristics regulate the bio-inspired mineralization process for manufacturing the desired nanostructured bio-composites. We will focus on uncovering the design and manipulation principles of local chemical compositions/constituents and structural arrangement, distribution, dimensions, nanoconfinement and alignment of bio-inspired mineralization over multiple length-scales. In the end, we will underline how these cellulose biomineralized composites benefit biomedical applications. It is expected that this deep understanding of design and fabrication principles will enable construction of outstanding structural and functional cellulose/inorganic composites for more challenging biomedical applications.
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Affiliation(s)
- Yanhuizhi Feng
- Department of Periodontology, Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai 200072, China
| | - Helmut Cölfen
- Physical Chemistry, Department of Chemistry, University of Konstanz, Universitätsstraße 10, Konstanz, Germany.
| | - Rui Xiong
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu, 610065, China.
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