1
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Narita T, Hsieh WC, Ku YT, Su YC, Inoguchi H, Takeno H. Fracture Behavior and Biocompatibility of Cellulose Nanofiber-Reinforced Poly(vinyl alcohol) Composite Hydrogels Cross-Linked with Borax. Biomacromolecules 2025; 26:374-386. [PMID: 39648485 DOI: 10.1021/acs.biomac.4c01199] [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: 12/10/2024]
Abstract
We investigated the fracture behavior of cellulose nanofiber (CNF)-reinforced poly(vinyl alcohol) (PVA) hydrogels cross-linked with borax and the effect of freeze-thaw (FT) cycles on it. The CNF/PVA/Borax hydrogel not subjected to FT achieved a fracture energy of 5.8 kJ m-2 and a dissipative length of 2.3 mm, comparable to those of tough hydrogels. Lacking either CNF or borax remarkably decreased the fracture energy and the dissipative length; CNF contributed to a physical blocking of the crack growth, whereas the complexations between CNF and borate yielded nonlocalization of energy dissipation. Repeated FT cycles markedly improved the mechanical performance of unnotched samples, but they decreased the fracture energy due to the lowering of the dissipative length. Besides, CNF/PVA/Borax hydrogels were suitable for cell scaffold materials. The culture of umbilical cord mesenchymal stem cells (UC-MSCs) revealed a positive correlation between culture duration and the number of UC- MSCs adherent to the material.
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Affiliation(s)
- Takumi Narita
- Division of Molecular Science, Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin, Kiryu 376-8515, Gunma, Japan
| | - Wen-Chuan Hsieh
- Department of Medical Science and Biotechnology, College of Medicine, I-SHOU University, No.8, Yida, Kaohsiung 824005, Taiwan, ROC
| | - Yu Tzu Ku
- Department of Medical Science and Biotechnology, College of Medicine, I-SHOU University, No.8, Yida, Kaohsiung 824005, Taiwan, ROC
| | - Yu-Chieh Su
- Division of Hematology-Oncology, Department of Internal Medicine, E-Da Hospital, Kaohsiung 824005, Taiwan
- School of Medicine, College of Medicine, I-Shou University, Kaohsiung 824005, Taiwan
| | - Hiroki Inoguchi
- Division of Molecular Science, Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin, Kiryu 376-8515, Gunma, Japan
| | - Hiroyuki Takeno
- Division of Molecular Science, Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin, Kiryu 376-8515, Gunma, Japan
- Gunma University Center for Food Science and Wellness, 4-2 Aramaki, Maebashi 371-8510, Gunma, Japan
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2
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Jolfaei MA, Zhao Y, Spinks GM, Jiang Z. Designing fast-response porous hydrogel actuators with improved toughness. Chem Commun (Camb) 2024. [PMID: 39555598 DOI: 10.1039/d4cc04379k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2024]
Abstract
A design concept for porous hydrogel actuators is demonstrated, combining lower critical solution temperature (LCST)-type phase separation with crystallinity formation. In contrast to the existing methods of producing porous hydrogels, our concept could not only generate fast actuation speed, but also greatly enhance the hydrogel tensile strength and toughness.
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Affiliation(s)
- Maryam Adavoudi Jolfaei
- School of Mechanical Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.
| | - Yufeng Zhao
- Molecular Horizons Institute, Faculty of Science, Medicine and Health, University of Wollongong, Australia
- ARC Industrial Transformation Training Centre for Cryo-electron Microscopy of Membrane Proteins, University of Wollongong, NSW 2522, Australia
| | - Geoffrey M Spinks
- School of Mechanical Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.
| | - Zhen Jiang
- School of Mechanical Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.
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3
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Lee HK, Yang YJ, Koirala GR, Oh S, Kim TI. From lab to wearables: Innovations in multifunctional hydrogel chemistry for next-generation bioelectronic devices. Biomaterials 2024; 310:122632. [PMID: 38824848 DOI: 10.1016/j.biomaterials.2024.122632] [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: 03/06/2024] [Revised: 05/19/2024] [Accepted: 05/23/2024] [Indexed: 06/04/2024]
Abstract
Functional hydrogels have emerged as foundational materials in diagnostics, therapy, and wearable devices, owing to their high stretchability, flexibility, sensing, and outstanding biocompatibility. Their significance stems from their resemblance to biological tissue and their exceptional versatility in electrical, mechanical, and biofunctional engineering, positioning themselves as a bridge between living organisms and electronic systems, paving the way for the development of highly compatible, efficient, and stable interfaces. These multifaceted capability revolutionizes the essence of hydrogel-based wearable devices, distinguishing them from conventional biomedical devices in real-world practical applications. In this comprehensive review, we first discuss the fundamental chemistry of hydrogels, elucidating their distinct properties and functionalities. Subsequently, we examine the applications of these bioelectronics within the human body, unveiling their transformative potential in diagnostics, therapy, and human-machine interfaces (HMI) in real wearable bioelectronics. This exploration serves as a scientific compass for researchers navigating the interdisciplinary landscape of chemistry, materials science, and bioelectronics.
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Affiliation(s)
- Hin Kiu Lee
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Ye Ji Yang
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Gyan Raj Koirala
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea; Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Suyoun Oh
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Tae-Il Kim
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea; Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, 16419, Republic of Korea.
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4
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López-Díaz A, Vázquez AS, Vázquez E. Hydrogels in Soft Robotics: Past, Present, and Future. ACS NANO 2024; 18:20817-20826. [PMID: 39099317 PMCID: PMC11328171 DOI: 10.1021/acsnano.3c12200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/06/2024]
Abstract
The rise of soft robotics in recent years has motivated significant developments in smart materials (and vice versa), as these materials allow for more compact robotic designs thanks to the embodied intelligence that they provide. Hydrogels have long been postulated as one of the potential candidates to be used in soft robotics due to their softness, elasticity, and smart properties that can be tuned with nanomaterials. However, nowadays they represent only a small percentage of the materials used in the field. In this perspective, the drawbacks that have hindered their utilization so far are analyzed as well as the current state of hydrogel-based soft actuators, sensors, and manufacturing possibilities. The future improvements that need to be made to achieve a real application of hydrogels in soft robotics are also discussed.
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Affiliation(s)
- Antonio López-Díaz
- Escuela Técnica Superior de Ingeniería Industrial, Universidad de Castilla-La Mancha, 13071, Ciudad Real, Spain
| | - Andrés S Vázquez
- Escuela Técnica Superior de Ingeniería Industrial, Universidad de Castilla-La Mancha, 13071, Ciudad Real, Spain
| | - Ester Vázquez
- Instituto Regional de Investigación Científica Aplicada, Universidad de Castilla-La Mancha, 13071, Ciudad Real, Spain
- Facultad de Ciencias y Tecnologías Químicas, Universidad de Castilla-La Mancha, 13071, Ciudad Real, Spain
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Han Y, Wang Z, Sun H, Chi Y, Li J, Zhang D, Liu H, Dong L, Liu C, Shen C. Temperature-Tolerant Versatile Conductive Zwitterionic Nanocomposite Organohydrogel toward Multisensory Applications. ACS APPLIED MATERIALS & INTERFACES 2024; 16:38606-38619. [PMID: 38980998 DOI: 10.1021/acsami.4c08984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
Conductive hydrogels (CHs) are emerging materials for next generation sensing systems in flexible electronics. However, the fabrication of competent CHs with excellent stretchability, adhesion, self-healing, photothermal conversion, multisensing, and environmental stability remains a huge challenge. Herein, a nanocomposite organohydrogel with the above features is constructed by in situ copolymerization of zwitterionic monomer and acrylamide in the existence of carboxylic cellulose nanofiber-carrying reduced graphene oxide (rGO) plus a solvent displacement strategy. The synergy of abundant dipole-dipole interactions and intermolecular hydrogen bonds enables the organohydrogel to exhibit high stretchability, strong adhesion, and good self-healing. The presence of glycerol weakens the formation of hydrogen bonds between water molecules, endowing the organohydrogel with excellent environmental stability (-40 to 60 °C) to adapt to different application scenarios. Importantly, the multimodal organohydrogel presents excellent sensing behavior, including a high gauge factor of 16.3 at strains of 400-1440% and a reliable thermal coefficient of resistance (-4.2 °C-1) over a wide temperature widow (-40 to 60 °C). Moreover, the organohydrogel displays a highly efficient and reliable photothermal conversion ability due to the favorable optical absorbing behavior of rGO. Notably, the organohydrogel can detect accurate human activities at ambient temperature, demonstrating potential applications in flexible intelligent electronics.
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Affiliation(s)
- Yupan Han
- State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment; National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, Henan 450002, China
| | - Ziqi Wang
- State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment; National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, Henan 450002, China
| | - Hongling Sun
- State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment; National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, Henan 450002, China
| | - Yalin Chi
- State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment; National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, Henan 450002, China
| | - Jianwei Li
- Henan Academy of Sciences, Zhengzhou, Henan 450002, China
| | - Dianbo Zhang
- Center for Advanced Materials Research, Zhongyuan University of Technology, Zhengzhou, Henan 450007, China
| | - Hu Liu
- State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment; National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, Henan 450002, China
| | - Lin Dong
- School of Physics & Microelectronics, Zhengzhou University, Zhengzhou, Henan 450002, China
| | - Chuntai Liu
- State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment; National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, Henan 450002, China
| | - Changyu Shen
- State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment; National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, Henan 450002, China
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Yang L, Zhang Y, Cai W, Tan J, Hansen H, Wang H, Chen Y, Zhu M, Mu J. Electrochemically-driven actuators: from materials to mechanisms and from performance to applications. Chem Soc Rev 2024; 53:5956-6010. [PMID: 38721851 DOI: 10.1039/d3cs00906h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Soft actuators, pivotal for converting external energy into mechanical motion, have become increasingly vital in a wide range of applications, from the subtle engineering of soft robotics to the demanding environments of aerospace exploration. Among these, electrochemically-driven actuators (EC actuators), are particularly distinguished by their operation through ion diffusion or intercalation-induced volume changes. These actuators feature notable advantages, including precise deformation control under electrical stimuli, freedom from Carnot efficiency limitations, and the ability to maintain their actuated state with minimal energy use, akin to the latching state in skeletal muscles. This review extensively examines EC actuators, emphasizing their classification based on diverse material types, driving mechanisms, actuator configurations, and potential applications. It aims to illuminate the complicated driving mechanisms of different categories, uncover their underlying connections, and reveal the interdependencies among materials, mechanisms, and performances. We conduct an in-depth analysis of both conventional and emerging EC actuator materials, casting a forward-looking lens on their trajectories and pinpointing areas ready for innovation and performance enhancement strategies. We also navigate through the challenges and opportunities within the field, including optimizing current materials, exploring new materials, and scaling up production processes. Overall, this review aims to provide a scientifically robust narrative that captures the current state of EC actuators and sets a trajectory for future innovation in this rapidly advancing field.
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Affiliation(s)
- Lixue Yang
- School of Mechanical Engineering, Tianjin University, 135 Yaguan Road, Tianjin 300350, China.
| | - Yiyao Zhang
- School of Mechanical Engineering, Tianjin University, 135 Yaguan Road, Tianjin 300350, China.
| | - Wenting Cai
- School of Chemistry, Xi'an Jiaotong University, 28 Xianning West Road, Xi'an, 710049, China
| | - Junlong Tan
- School of Mechanical Engineering, Tianjin University, 135 Yaguan Road, Tianjin 300350, China.
| | - Heather Hansen
- Department of Biochemistry and Molecular Medicine, West Virginia University, Morgantown, WV, 26506, USA
| | - Hongzhi Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China.
- Shanghai Dianji University, 201306, Shanghai, China
| | - Yan Chen
- School of Mechanical Engineering, Tianjin University, 135 Yaguan Road, Tianjin 300350, China.
- Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, Tianjin University, 135 Yaguan Road, Tianjin 300350, China.
| | - Meifang Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China.
| | - Jiuke Mu
- School of Mechanical Engineering, Tianjin University, 135 Yaguan Road, Tianjin 300350, China.
- Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, Tianjin University, 135 Yaguan Road, Tianjin 300350, China.
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7
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Yao X, Chen H, Qin H, Cong HP. Nanocomposite Hydrogel Actuators with Ordered Structures: From Nanoscale Control to Macroscale Deformations. SMALL METHODS 2024; 8:e2300414. [PMID: 37365950 DOI: 10.1002/smtd.202300414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/06/2023] [Indexed: 06/28/2023]
Abstract
Flexible intelligent actuators with the characteristics of flexibility, safety and scalability, are highly promising in industrial production, biomedical fields, environmental monitoring, and soft robots. Nanocomposite hydrogels are attractive candidates for soft actuators due to their high pliability, intelligent responsiveness, and capability to execute large-scale rapid reversible deformations under external stimuli. Here, the recent advances of nanocomposite hydrogels as soft actuators are reviewed and focus is on the construction of elaborate and programmable structures by the assembly of nano-objects in the hydrogel matrix. With the help of inducing the gradient or oriented distributions of the nanounits during the gelation process by the external forces or molecular interactions, nanocomposite hydrogels with ordered structures are achieved, which can perform bending, spiraling, patterned deformations, and biomimetic complex shape changes. Given great advantages of these intricate yet programmable shape-morphing, nanocomposite hydrogel actuators have presented high potentials in the fields of moving robots, energy collectors, and biomedicines. In the end, the challenges and future perspectives of this emerging field of nanocomposite hydrogel actuators are proposed.
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Affiliation(s)
- Xin Yao
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Hong Chen
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Haili Qin
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Huai-Ping Cong
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
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8
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Reynolds M, Stoy LM, Sun J, Opoku Amponsah PE, Li L, Soto M, Song S. Fabrication of Sodium Trimetaphosphate-Based PEDOT:PSS Conductive Hydrogels. Gels 2024; 10:115. [PMID: 38391444 PMCID: PMC10888113 DOI: 10.3390/gels10020115] [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: 12/23/2023] [Revised: 01/24/2024] [Accepted: 01/26/2024] [Indexed: 02/24/2024] Open
Abstract
Conductive hydrogels are highly attractive for biomedical applications due to their ability to mimic the electrophysiological environment of biological tissues. Although conducting polymer polythiophene-poly-(3,4-ethylenedioxythiophene) (PEDOT) and polystyrene sulfonate (PSS) alone exhibit high conductivity, the addition of other chemical compositions could further improve the electrical and mechanical properties of PEDOT:PSS, providing a more promising interface with biological tissues. Here we study the effects of incorporating crosslinking additives, such as glycerol and sodium trimetaphosphate (STMP), in developing interpenetrating PEDOT:PSS-based conductive hydrogels. The addition of glycerol at a low concentration maintained the PEDOT:PSS conductivity with enhanced wettability but decreased the mechanical stiffness. Increasing the concentration of STMP allowed sufficient physical crosslinking with PEDOT:PSS, resulting in improved hydrogel conductivity, wettability, and rheological properties without glycerol. The STMP-based PEDOT:PSS conductive hydrogels also exhibited shear-thinning behaviors, which are potentially favorable for extrusion-based 3D bioprinting applications. We demonstrate an interpenetrating conducting polymer hydrogel with tunable electrical and mechanical properties for cellular interactions and future tissue engineering applications.
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Affiliation(s)
- Madelyn Reynolds
- Department of Biomedical Engineering, College of Engineering, University of Arizona, Tucson, AZ 85719, USA
| | - Lindsay M Stoy
- Department of Biomedical Engineering, College of Engineering, University of Arizona, Tucson, AZ 85719, USA
| | - Jindi Sun
- Department of Biomedical Engineering, College of Engineering, University of Arizona, Tucson, AZ 85719, USA
| | | | - Lin Li
- Department of Biomedical Engineering, College of Engineering, University of Arizona, Tucson, AZ 85719, USA
| | - Misael Soto
- Department of Biomedical Engineering, College of Engineering, University of Arizona, Tucson, AZ 85719, USA
| | - Shang Song
- Department of Biomedical Engineering, College of Engineering, University of Arizona, Tucson, AZ 85719, USA
- Departments of Materials Science and Engineering, Neuroscience GIDP, and BIO5 Institute, University of Arizona, Tucson, AZ 85719, USA
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9
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Ko B, Jeon N, Kim J, Kang H, Seong J, Yun S, Badloe T, Rho J. Hydrogels for active photonics. MICROSYSTEMS & NANOENGINEERING 2024; 10:1. [PMID: 38169527 PMCID: PMC10757998 DOI: 10.1038/s41378-023-00609-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 09/25/2023] [Accepted: 09/26/2023] [Indexed: 01/05/2024]
Abstract
Conventional photonic devices exhibit static optical properties that are design-dependent, including the material's refractive index and geometrical parameters. However, they still possess attractive optical responses for applications and are already exploited in devices across various fields. Hydrogel photonics has emerged as a promising solution in the field of active photonics by providing primarily deformable geometric parameters in response to external stimuli. Over the past few years, various studies have been undertaken to attain stimuli-responsive photonic devices with tunable optical properties. Herein, we focus on the recent advancements in hydrogel-based photonics and micro/nanofabrication techniques for hydrogels. In particular, fabrication techniques for hydrogel photonic devices are categorized into film growth, photolithography (PL), electron-beam lithography (EBL), and nanoimprint lithography (NIL). Furthermore, we provide insights into future directions and prospects for deformable hydrogel photonics, along with their potential practical applications.
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Affiliation(s)
- Byoungsu Ko
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673 Republic of Korea
| | - Nara Jeon
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673 Republic of Korea
| | - Jaekyung Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673 Republic of Korea
| | - Hyunjung Kang
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673 Republic of Korea
| | - Junhwa Seong
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673 Republic of Korea
| | - Suhyeon Yun
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673 Republic of Korea
| | - Trevon Badloe
- Graduate School of Artificial Intelligence, Pohang University of Science and Technology (POSTECH), Pohang, 37673 Republic of Korea
| | - Junsuk Rho
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673 Republic of Korea
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673 Republic of Korea
- POSCO-POSTECH-RIST Convergence Research Center for Flat Optics and Metaphotonics, Pohang, 37673 Republic of Korea
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Lee GS, Kim JG, Kim JT, Lee CW, Cha S, Choi GB, Lim J, Padmajan Sasikala S, Kim SO. 2D Materials Beyond Post-AI Era: Smart Fibers, Soft Robotics, and Single Atom Catalysts. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2307689. [PMID: 37777874 DOI: 10.1002/adma.202307689] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/18/2023] [Indexed: 10/02/2023]
Abstract
Recent consecutive discoveries of various 2D materials have triggered significant scientific and technological interests owing to their exceptional material properties, originally stemming from 2D confined geometry. Ever-expanding library of 2D materials can provide ideal solutions to critical challenges facing in current technological trend of the fourth industrial revolution. Moreover, chemical modification of 2D materials to customize their physical/chemical properties can satisfy the broad spectrum of different specific requirements across diverse application areas. This review focuses on three particular emerging application areas of 2D materials: smart fibers, soft robotics, and single atom catalysts (SACs), which hold immense potentials for academic and technological advancements in the post-artificial intelligence (AI) era. Smart fibers showcase unconventional functionalities including healthcare/environmental monitoring, energy storage/harvesting, and antipathogenic protection in the forms of wearable fibers and textiles. Soft robotics aligns with future trend to overcome longstanding limitations of hard-material based mechanics by introducing soft actuators and sensors. SACs are widely useful in energy storage/conversion and environmental management, principally contributing to low carbon footprint for sustainable post-AI era. Significance and unique values of 2D materials in these emerging applications are highlighted, where the research group has devoted research efforts for more than a decade.
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Affiliation(s)
- Gang San Lee
- National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, Department of Materials Science and Engineering, KAIST, Daejeon, 34141, Republic of Korea
- KAIST Institute for Nanocentry, KAIST, Daejeon, 34141, Republic of Korea
| | - Jin Goo Kim
- National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, Department of Materials Science and Engineering, KAIST, Daejeon, 34141, Republic of Korea
- KAIST Institute for Nanocentry, KAIST, Daejeon, 34141, Republic of Korea
| | - Jun Tae Kim
- National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, Department of Materials Science and Engineering, KAIST, Daejeon, 34141, Republic of Korea
- KAIST Institute for Nanocentry, KAIST, Daejeon, 34141, Republic of Korea
| | - Chan Woo Lee
- National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, Department of Materials Science and Engineering, KAIST, Daejeon, 34141, Republic of Korea
- KAIST Institute for Nanocentry, KAIST, Daejeon, 34141, Republic of Korea
| | - Sujin Cha
- National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, Department of Materials Science and Engineering, KAIST, Daejeon, 34141, Republic of Korea
- KAIST Institute for Nanocentry, KAIST, Daejeon, 34141, Republic of Korea
| | - Go Bong Choi
- National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, Department of Materials Science and Engineering, KAIST, Daejeon, 34141, Republic of Korea
- KAIST Institute for Nanocentry, KAIST, Daejeon, 34141, Republic of Korea
| | - Joonwon Lim
- Department of Information Display, Kyung Hee University, Seoul, 02447, Republic of Korea
- KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Suchithra Padmajan Sasikala
- National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, Department of Materials Science and Engineering, KAIST, Daejeon, 34141, Republic of Korea
- KAIST Institute for Nanocentry, KAIST, Daejeon, 34141, Republic of Korea
| | - Sang Ouk Kim
- National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, Department of Materials Science and Engineering, KAIST, Daejeon, 34141, Republic of Korea
- KAIST Institute for Nanocentry, KAIST, Daejeon, 34141, Republic of Korea
- Materials Creation, Seoul, 06179, Republic of Korea
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11
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Babaluei M, Mojarab Y, Mottaghitalab F, Farokhi M. Injectable hydrogel based on silk fibroin/carboxymethyl cellulose/agarose containing polydopamine functionalized graphene oxide with conductivity, hemostasis, antibacterial, and anti-oxidant properties for full-thickness burn healing. Int J Biol Macromol 2023; 249:126051. [PMID: 37517755 DOI: 10.1016/j.ijbiomac.2023.126051] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/03/2023] [Accepted: 07/27/2023] [Indexed: 08/01/2023]
Abstract
Overcoming bacterial infections and promoting wound healing are significant challenges in clinical practice and fundamental research. This study developed a series of enzymatic crosslinking injectable hydrogels based on silk fibroin (SF), carboxymethyl cellulose (CMC), and agarose, with the addition of polydopamine functionalized graphene oxide (GO@PDA) to endow the hydrogel with suitable conductivity and antimicrobial activity. The hydrogels exhibited suitable gelation time, stable mechanical and rheological properties, high water absorbency, and hemostatic properties. Biocompatibility was also confirmed through various assays. After loading the antibiotic vancomycin hydrochloride, the hydrogels showed sustained release and good antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA). The fast gelation time and desirable tissue-covering ability of the hydrogels allowed for a good hemostatic effect in a rat liver trauma model. In a rat full-thickness burn wound model, the hydrogels exhibited an excellent treatment effect, leading to significantly enhanced wound closure, collagen deposition, and granulation tissue formation, as well as neovascularization and anti-inflammatory effects. In conclusion, the antibacterial electroactive injectable hydrogel dressing, with its multifunctional properties, significantly promoted the in vivo wound healing process, making it an excellent candidate for full-thickness skin wound healing.
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Affiliation(s)
| | - Yasamin Mojarab
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
| | - Fatemeh Mottaghitalab
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehdi Farokhi
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran.
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12
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Cao Q, Chen W, Zhong Y, Ma X, Wang B. Biomedical Applications of Deformable Hydrogel Microrobots. MICROMACHINES 2023; 14:1824. [PMID: 37893261 PMCID: PMC10609176 DOI: 10.3390/mi14101824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/09/2023] [Accepted: 09/15/2023] [Indexed: 10/29/2023]
Abstract
Hydrogel, a material with outstanding biocompatibility and shape deformation ability, has recently become a hot topic for researchers studying innovative functional materials due to the growth of new biomedicine. Due to their stimulus responsiveness to external environments, hydrogels have progressively evolved into "smart" responsive (such as to pH, light, electricity, magnetism, temperature, and humidity) materials in recent years. The physical and chemical properties of hydrogels have been used to construct hydrogel micro-nano robots which have demonstrated significant promise for biomedical applications. The different responsive deformation mechanisms in hydrogels are initially discussed in this study; after which, a number of preparation techniques and a variety of structural designs are introduced. This study also highlights the most recent developments in hydrogel micro-nano robots' biological applications, such as drug delivery, stem cell treatment, and cargo manipulation. On the basis of the hydrogel micro-nano robots' current state of development, current difficulties and potential future growth paths are identified.
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Affiliation(s)
- Qinghua Cao
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China;
| | - Wenjun Chen
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China; (Y.Z.); (X.M.)
- Sauvage Laboratory for Smart Materials, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Ying Zhong
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China; (Y.Z.); (X.M.)
- Sauvage Laboratory for Smart Materials, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Xing Ma
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China; (Y.Z.); (X.M.)
- Sauvage Laboratory for Smart Materials, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Bo Wang
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China;
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13
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Prosvirnina AP, Bugrov AN, Bobrova NV, Sivtsov EV, Nikolaeva AL, Kamalov AM, Sokolova MP, Smirnov MA. Three-Dimensional Printed Shape Memory Gels Based on a Structured Disperse System with Hydrophobic Cellulose Nanofibers. Polymers (Basel) 2023; 15:3547. [PMID: 37688173 PMCID: PMC10490119 DOI: 10.3390/polym15173547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/18/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
Inks for 3D printing were prepared by dispersing bacterial cellulose nanofibers (CNF) functionalized with methacrylate groups in a polymerizable deep eutectic solvent (DES) based on choline chloride and acrylic acid with water as a cosolvent. After 3D printing and UV-curing, the double-network composite gel consisting of chemically and physically crosslinked structures composed from sub-networks of modified CNF and polymerized DES, respectively, was formed. The rheological properties of inks, as well as mechanical and shape memory properties of the 3D-printed gels, were investigated in dynamic and static modes. It was shown that the optimal amount of water allows improvement of the mechanical properties of the composite gel due to the formation of closer contacts between the modified CNF. The addition of 12 wt% water results in an increase in strength and ultimate elongation to 11.9 MPa and 300%, respectively, in comparison with 5.5 MPa and 100% for an anhydrous system. At the same time, the best shape memory properties were found for an anhydrous system: shape fixation and recovery coefficients were 80.0 and 95.8%, respectively.
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Affiliation(s)
- Angelina P. Prosvirnina
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy Pr. 31, Saint Petersburg 199004, Russia
| | - Alexander N. Bugrov
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy Pr. 31, Saint Petersburg 199004, Russia
- Department of Physical Chemistry, Saint Petersburg Electrotechnical University (ETU “LETI”), ul. Professora Popova 5, Saint Petersburg 197022, Russia
| | - Natalya V. Bobrova
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy Pr. 31, Saint Petersburg 199004, Russia
| | - Eugene V. Sivtsov
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy Pr. 31, Saint Petersburg 199004, Russia
- Saint Petersburg State Institute of Technology, Moskovsky Pr. 24-26/49, Saint Petersburg 190013, Russia
| | - Alexandra L. Nikolaeva
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy Pr. 31, Saint Petersburg 199004, Russia
| | - Almaz M. Kamalov
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy Pr. 31, Saint Petersburg 199004, Russia
| | - Maria P. Sokolova
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy Pr. 31, Saint Petersburg 199004, Russia
| | - Michael A. Smirnov
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy Pr. 31, Saint Petersburg 199004, Russia
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14
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Lyu C, Wen B, Bai Y, Luo D, Wang X, Zhang Q, Xing C, Kong T, Diao D, Zhang X. Bone-inspired (GNEC/HAPAAm) hydrogel with fatigue-resistance for use in underwater robots and highly piezoresistive sensors. MICROSYSTEMS & NANOENGINEERING 2023; 9:99. [PMID: 37502758 PMCID: PMC10368655 DOI: 10.1038/s41378-023-00571-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 05/17/2023] [Accepted: 06/13/2023] [Indexed: 07/29/2023]
Abstract
A novel bone-inspired fatigue-resistant hydrogel with excellent mechanical and piezoresistive properties was developed, and it exhibited great potential as a load and strain sensor for underwater robotics and daily monitoring. The hydrogel was created by using the high edge density and aspect ratio of graphene nanosheet-embedded carbon (GNEC) nanomaterials to form a three-dimensional conductive network and prevent the expansion of microcracks in the hydrogel system. Multiscale progressive enhancement of the organic hydrogels (micrometer scale) was realized with inorganic graphene nanosheets (nanometer scale). The graphene nanocrystals inside the GNEC film exhibited good electron transport properties, and the increased distances between the graphene nanocrystals inside the GNEC film caused by external forces increased the resistance, so the hydrogel was highly sensitive and suitable for connection to a loop for sensing applications. The hydrogels obtained in this work exhibited excellent mechanical properties, such as tensile properties (strain up to 1685%) and strengths (stresses up to 171 kPa), that make them suitable for use as elastic retraction devices in robotics and provide high sensitivities (150 ms) for daily human monitoring.
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Affiliation(s)
- Chaoyang Lyu
- Institute of Nanosurface Science and Engineering, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Shenzhen University, 518060 Shenzhen, China
| | - Bo Wen
- Institute of Nanosurface Science and Engineering, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Shenzhen University, 518060 Shenzhen, China
| | - Yangzhen Bai
- Institute of Nanosurface Science and Engineering, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Shenzhen University, 518060 Shenzhen, China
| | - Daning Luo
- Institute of Nanosurface Science and Engineering, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Shenzhen University, 518060 Shenzhen, China
| | - Xin Wang
- Research Center of Medical Plasma Technology, Shenzhen University, 518060 Shenzhen, China
| | - Qingfeng Zhang
- Research Center of Medical Plasma Technology, Shenzhen University, 518060 Shenzhen, China
| | - Chenyang Xing
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education, College of Physics and Optoelectronic Engineering, Shenzhen University, 518060 Shenzhen, China
| | - Tiantian Kong
- Department of Biomedical Engineering, School of Medicine, Shenzhen University, 518000 Shenzhen, China
| | - Dongfeng Diao
- Institute of Nanosurface Science and Engineering, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Shenzhen University, 518060 Shenzhen, China
| | - Xi Zhang
- Institute of Nanosurface Science and Engineering, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Shenzhen University, 518060 Shenzhen, China
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15
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Bin Asghar Abbasi B, Gigliotti M, Aloko S, Jolfaei MA, Spinks GM, Jiang Z. Designing strong, fast, high-performance hydrogel actuators. Chem Commun (Camb) 2023; 59:7141-7150. [PMID: 37194593 DOI: 10.1039/d3cc01545a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Hydrogel actuators displaying programmable shape transformations are particularly attractive for integration into future soft robotics with safe human-machine interactions. However, these materials are still in their infancy, and many significant challenges remain presenting impediments to their practical implementation, including poor mechanical properties, slow actuation speed and limited actuation performance. In this review, we discuss the recent advances in hydrogel designs to address these critical limitations. First, the material design concepts to improve mechanical properties of hydrogel actuators will be introduced. Examples are also included to highlight strategies to realize fast actuation speed. In addition, recent progress about creating strong and fast hydrogel actuators are sumarized. Finally, a discussion of different methods to realize high values in several aspects of actuation performance metrics for this class of materials is provided. The advances and challenges discussed in this highlight could provide useful guidelines for rational design to manipulate the properties of hydrogel actuators toward widespread real-world applications.
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Affiliation(s)
- Burhan Bin Asghar Abbasi
- School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.
| | - Matthew Gigliotti
- School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.
| | - Sinmisola Aloko
- School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.
| | - Maryam Adavoudi Jolfaei
- School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.
| | - Geoffrey M Spinks
- School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.
| | - Zhen Jiang
- School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.
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16
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Meng Y, Qi Z, Li Z, Niu Y, Wu M, Yuan Z, He G, Yu M, Jiang X. Tailored hydrogel composite membrane for the regulated crystallization of monosodium urate monohydrate within coffee's metabolites system. J Colloid Interface Sci 2023; 648:365-375. [PMID: 37301161 DOI: 10.1016/j.jcis.2023.05.183] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 04/29/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023]
Abstract
Herein, a facile bionic research platform with fabricated hydrogel composite membrane (HCM) is constructed to uncover the effects of the main components of coffee's metabolites on MSUM crystallization. Tailored and biosafety polyethylene glycol diacrylate/N-isopropyl acrylamide (PEGDA/NIPAM) HCM allows the proper mass transfer of coffee's metabolites and can well simulate the process of coffee's metabolites acting in the joint system. With the validations of this platform, it is shown that chlorogenic acid (CGA) can hinder the MSUM crystals formation from 45 h (control group) to 122 h (2 mM CGA), which is the most likely reason that reduces the risk of gout after long-term coffee consumption. Molecular dynamics simulation further indicates that the high interaction energy (Eint) between CGA and MSUM crystal surface and the high electronegativity of CGA both contribute to the restraint of MSUM crystal formation. In conclusion, the fabricated HCM, as the core functional materials of the research platform, presents the understanding of the interaction between coffee consumption and gout control.
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Affiliation(s)
- Yingshuang Meng
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Zhibo Qi
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Zhonghua Li
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Yuchao Niu
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Mengyuan Wu
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Zhijie Yuan
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Gaohong He
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Mingyang Yu
- Department of Orthopedics, Central Hospital of Dalian University of Technology, Dalian University of Technology, Dalian, Liaoning 1160831, China.
| | - Xiaobin Jiang
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China.
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17
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Zou J, Chen Z, Wang SJ, Liu ZH, Liu YJ, Feng PY, Jing X. A Flexible Sensor with Excellent Environmental Stability Using Well-Designed Encapsulation Structure. Polymers (Basel) 2023; 15:polym15102308. [PMID: 37242884 DOI: 10.3390/polym15102308] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 05/06/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
The hydrogel-based sensors suffer from poor stability and low sensitivity, severely limiting their further development. It is still "a black box" to understand the effect of the encapsulation as well as the electrode on the performance of the hydrogel-based sensors. To address these problems, we prepared an adhesive hydrogel that could robustly adhere to Ecoflex (adhesive strength is 4.7 kPa) as an encapsulation layer and proposed a rational encapsulation model that fully encapsulated the hydrogel within Ecoflex. Owing to the excellent barrier and resilience of Ecoflex, the encapsulated hydrogel-based sensor can still work normally after 30 days, displaying excellent long-term stability. In addition, we performed theoretical and simulation analyses on the contact state between the hydrogel and the electrode. It was surprising to find that the contact state significantly affects the sensitivity of the hydrogel sensors (the maximum difference in sensitivity was 333.6%), indicating that the reasonable design of the encapsulation and electrode are indispensable parts for fabricating successful hydrogel sensors. Therefore, we paved the way for a novel insight to optimize the properties of the hydrogel sensors, which is greatly favorable to developing hydrogel-based sensors to be applied in various fields.
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Affiliation(s)
- Jian Zou
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou 412007, China
- National and Local Joint Engineering Research Center for Advanced Packaging Material and Technology, Hunan University of Technology, Zhuzhou 412007, China
| | - Zhuo Chen
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou 412007, China
- National and Local Joint Engineering Research Center for Advanced Packaging Material and Technology, Hunan University of Technology, Zhuzhou 412007, China
| | - Sheng-Ji Wang
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou 412007, China
- National and Local Joint Engineering Research Center for Advanced Packaging Material and Technology, Hunan University of Technology, Zhuzhou 412007, China
| | - Zi-Hao Liu
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou 412007, China
| | - Yue-Jun Liu
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou 412007, China
- National and Local Joint Engineering Research Center for Advanced Packaging Material and Technology, Hunan University of Technology, Zhuzhou 412007, China
| | - Pei-Yong Feng
- National and Local Joint Engineering Research Center for Advanced Packaging Material and Technology, Hunan University of Technology, Zhuzhou 412007, China
| | - Xin Jing
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou 412007, China
- National and Local Joint Engineering Research Center for Advanced Packaging Material and Technology, Hunan University of Technology, Zhuzhou 412007, China
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18
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Zhang J, Yan D, Qi S. Microphase behaviors and shear moduli of double-network gels: The effect of crosslinking constraints and chain uncrossability. J Chem Phys 2023; 158:114906. [PMID: 36948820 DOI: 10.1063/5.0141221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023] Open
Abstract
By performing coarse-grained molecular dynamics simulations, we study the effect of crosslinking and chain uncrossability on the microphase behaviors and mechanical properties of the double-network gels. The double-network systems can be viewed as two separate networks interpenetrating each other uniformly, and the crosslinks in each network are generated, forming a regular cubic lattice. The chain uncrossability is confirmed by appropriately choosing the bonded and nonbonded interaction potentials. Our simulations reveal a close relation between the phase and mechanical properties of the double-network systems and their network topological structures. Depending on the lattice size and the solvent affinity, we have observed two different microphases: one is the aggregation of solvophobic beads around the crosslinking points, which leads to locally polymer-rich domains, and the other is the bunching of polymer strands, which thickens the network edges and thus changes the network periodicity. The former is a representation of the interfacial effect, while the latter is determined by the chain uncrossability. The coalescence of network edges is demonstrated to be responsible for the large relative increase in the shear modulus. Compressing and stretching induced phase transitions are observed in the current double-network systems, and the sharp discontinuous change in the stress that appears at the transition point is found to be related to the bunching or debunching of the network edges. The results suggest that the regulation of network edges has a strong influence on the network mechanical properties.
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Affiliation(s)
- Jinrong Zhang
- Department of Physics, Beijing Normal University, Beijing 100875, China
| | - Dadong Yan
- Department of Physics, Beijing Normal University, Beijing 100875, China
| | - Shuanhu Qi
- School of Chemistry, Beihang University, Beijing 100191, China
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19
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Nie L, Wei Q, Li J, Deng Y, He X, Gao X, Ma X, Liu S, Sun Y, Jiang G, Okoro OV, Shavandi A, Jing S. Fabrication and desired properties of conductive hydrogel dressings for wound healing. RSC Adv 2023; 13:8502-8522. [PMID: 36926300 PMCID: PMC10012873 DOI: 10.1039/d2ra07195a] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Accepted: 02/28/2023] [Indexed: 03/16/2023] Open
Abstract
Conductive hydrogels are platforms recognized as constituting promising materials for tissue engineering applications. This is because such conductive hydrogels are characterized by the inherent conductivity properties while retaining favorable biocompatibility and mechanical properties. These conductive hydrogels can be particularly useful in enhancing wound healing since their favorable conductivity can promote the transport of essential ions for wound healing via the imposition of a so-called transepithelial potential. Other valuable properties of these conductive hydrogels, such as wound monitoring, stimuli-response etc., are also discussed in this study. Crucially, the properties of conductive hydrogels, such as 3D printability and monitoring properties, suggest the possibility of its use as an alternative wound dressing to traditional dressings such as bandages. This review, therefore, seeks to comprehensively explore the functionality of conductive hydrogels in wound healing, types of conductive hydrogels and their preparation strategies and crucial properties of hydrogels. This review will also assess the limitations of conductive hydrogels and future perspectives, with an emphasis on the development trend for conductive hydrogel uses in wound dressing fabrication for subsequent clinical applications.
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Affiliation(s)
- Lei Nie
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt 50 - CP 165/61 1050 Brussels Belgium
| | - Qianqian Wei
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Jingyu Li
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Yaling Deng
- College of Intelligent Science and Control Engineering, Jinling Institute of Technology Nanjing 211169 P.R. China
| | - Xiaorui He
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Xinyue Gao
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Xiao Ma
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Shuang Liu
- School of Resources and Environmental Engineering, Wuhan University of Technology Wuhan 430070 P. R. China
| | - Yanfang Sun
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University Hangzhou 310018 China
| | - Guohua Jiang
- School of Materials Science and Engineering, Zhejiang Sci-Tech University Hangzhou 310018 China
- International Scientific and Technological Cooperation Base of Intelligent Biomaterials and Functional Fibers, Zhejiang Sci-Tech University Hangzhou 310018 China
| | - Oseweuba Valentine Okoro
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt 50 - CP 165/61 1050 Brussels Belgium
| | - Amin Shavandi
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt 50 - CP 165/61 1050 Brussels Belgium
| | - Shengli Jing
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
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20
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Bag N, Bardhan S, Roy S, Roy J, Mondal D, Guo B, Das S. Nanoparticle-mediated stimulus-responsive antibacterial therapy. Biomater Sci 2023; 11:1994-2019. [PMID: 36748318 DOI: 10.1039/d2bm01941h] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The limitations associated with conventional antibacterial therapies and the subsequent amplification of multidrug-resistant (MDR) microorganisms have increased, necessitating the urgent development of innovative antibacterial techniques. Accordingly, nanoparticle-mediated therapeutics have emerged as potential candidates for antibacterial treatment due to their suitable dimensions, penetration capacity, and high efficiency in targeted drug delivery. However, although nanoparticle-based drug delivery systems have been demonstrated to be effective, they are limited by their overuse and unwanted side effects. Thus, to overcome these drawbacks, stimulus-responsive antibiotic delivery has been extended as a promising strategy for site-specific restricted drug exemption. Nano-formulations that are triggered by various stimuli, such as intrinsic, extrinsic, and bacterial stimuli, have been developed. Thus, by harnessing the physicochemical properties of various nanoparticles, the selective release of therapeutic cargoes can be achieved through the application of a variety of local stimuli such as light, sound, irradiation, pH, and magnetic field. In this review, we also highlight the progress and perspectives of stimulus-responsive combination therapy, with special emphasis on the eradication of MDR strains and biofilms. Hence, this review addresses the advancement and challenges in the applications of stimulus-responsive nanoparticles together with the various future prospects of this technique.
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Affiliation(s)
- Neelanjana Bag
- Department of Physics, Jadavpur University, Kolkata-700032, India.
| | - Souravi Bardhan
- Department of Physics, Jadavpur University, Kolkata-700032, India. .,Department of Environmental Science, Netaji Nagar College for Women, Kolkata-700092, India
| | - Shubham Roy
- Department of Physics, Jadavpur University, Kolkata-700032, India. .,Shenzhen Key Laboratory of Flexible Printed Electronics Technology and School of Science, Harbin Institute of Technology, Shenzhen-518055, China.
| | - Jhilik Roy
- Department of Physics, Jadavpur University, Kolkata-700032, India.
| | - Dhananjoy Mondal
- Department of Physics, Jadavpur University, Kolkata-700032, India.
| | - Bing Guo
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology and School of Science, Harbin Institute of Technology, Shenzhen-518055, China.
| | - Sukhen Das
- Department of Physics, Jadavpur University, Kolkata-700032, India.
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21
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Huang YC, Cheng QP, Jeng US, Hsu SH. A Biomimetic Bilayer Hydrogel Actuator Based on Thermoresponsive Gelatin Methacryloyl-Poly( N-isopropylacrylamide) Hydrogel with Three-Dimensional Printability. ACS APPLIED MATERIALS & INTERFACES 2023; 15:5798-5810. [PMID: 36633046 DOI: 10.1021/acsami.2c18961] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Development of hydrogel-based actuators with programmable deformation is an important topic that arouses much attention in fundamental and applied research. Most of these actuators are nonbiodegradable or work under nonphysiological conditions. Herein, a temperature-responsive and biodegradable gelatin methacryloyl (GelMA)-poly(N-isopropylacrylamide) hydrogel (i.e., GN hydrogel) network was explored as the active layer of a bilayer actuator. Small-angle X-ray scattering (SAXS) revealed that the GN hydrogel formed a mesoglobular structure (∼230 Å) upon a thermally induced phase transition. Rheological data supported that the GN hydrogel possessed 3D printability and tunable mechanical properties. A bilayer hydrogel actuator composed of active GN and passive GelMA layers was optimized by varying the layer thickness and compositions to achieve large, reproducible, and anisotropic bending with a curvature of ∼5.5 cm-1. Different patterns of the active layer were designed for actuation in programmable control. The 3D printed GN hydrogel constructs showed significant volume reduction (∼25-60% depending on construct design) at 37 °C with the resolution enhanced by the thermo-triggered actuation, while they were able to fully reswell at room temperature. A more intricate 3D printed butterfly actuator demonstrated the ability to mimic the wing movement through thermoresponsiveness. Furthermore, myoblasts laden in the GN hydrogel exhibited significant proliferation of ∼376% in 14 days. This study provides a new fabrication approach for developing biomimetic devices, artificial muscles, and soft robotics for biomedical applications.
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Affiliation(s)
- Yu-Chen Huang
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei10617, Taiwan, ROC
| | - Qian-Pu Cheng
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei10617, Taiwan, ROC
| | - U-Ser Jeng
- National Synchrotron Radiation Research Center, Hsinchu30076, Taiwan, ROC
| | - Shan-Hui Hsu
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei10617, Taiwan, ROC
- Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli35053, Taiwan, ROC
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22
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Li W, Guan Q, Li M, Saiz E, Hou X. Nature's strategy to construct tough responsive hydrogel actuators and their applications. Prog Polym Sci 2023. [DOI: 10.1016/j.progpolymsci.2023.101665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023]
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23
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Khan M, Shah LA, Rahman TU, Yoo HM, Ye D, Vacharasin J. Cellulose nanocrystals boosted hydrophobic association in dual network polymer hydrogels as advanced flexible strain sensor for human motion detection. J Mech Behav Biomed Mater 2023; 138:105610. [PMID: 36509014 DOI: 10.1016/j.jmbbm.2022.105610] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 11/29/2022] [Accepted: 12/05/2022] [Indexed: 12/12/2022]
Abstract
Conductive hydrogels attract the attention of researchers worldwide, especially in the field of flexible sensors like strain and pressure. These flexible materials have potential applications in the field of electronic skin, soft robotics, energy storage, and human motion detection. However, its practical application is limited due to low stretchability, high hysteresis energy, low conductivity, long-range strain sensitivity, and high response time. It's still a challenging job to endow all these properties in a single hydrogel network. In the present work, cellulose nano crystals (CNCs) reinforced hydrophobically associated gels were developed using APS as a source of radical polymerization, acrylamide and lauryl methacrylate were used as a monomer. CNCs reinforced the hydrophobically associated hydrogels through hydrogen bonding to retain the hydrogel's network structure. Hydrogels consist of dual crosslinking, which demonstrate exceptional mechanical performance (fracture stress and strain, toughness, and Young's modulus). The low hysteresis energy (10.9 kJm-3) and high conductivity (22.97 mS/cm) make the hydrogels a strong candidate for strain sensors with high sensitivity (GF = 19.25 at 700% strain) and a fast response time of 200 ms. Cyclic performance was also investigated up to 300 continuous cycles. After 300 cycles, the hydrogels were still stable and no considerable change was observed. These hydrogels are capable of sensing different human motions like wrist, finger bending, and neck (up-down and straight and right/left motion of neck). The hydrogels also demonstrate changes in current in response to swallowing, different speaking words, and writing different alphabets. These results suggest that our prepared materials can sense different small and large human motions, and also could be used in any electronic device where strain sensing is required.
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Affiliation(s)
- Mansoor Khan
- Polymer Laboratory, National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, 25120, Pakistan
| | - Luqman Ali Shah
- Polymer Laboratory, National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, 25120, Pakistan.
| | - Tanzil Ur Rahman
- Polymer Laboratory, National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, 25120, Pakistan
| | - Hyeong-Min Yoo
- School of Mechanical Engineering, Korea University of Technology and Education (KOREATECH), Cheonan, 31253, Republic of Korea
| | - Daixin Ye
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai, 200444, PR China.
| | - Janay Vacharasin
- Department of Biology, Francis Marion University, Florence, 29506, United States
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24
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Bonardd S, Nandi M, Hernández García JI, Maiti B, Abramov A, Díaz Díaz D. Self-Healing Polymeric Soft Actuators. Chem Rev 2023; 123:736-810. [PMID: 36542491 PMCID: PMC9881012 DOI: 10.1021/acs.chemrev.2c00418] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Indexed: 12/24/2022]
Abstract
Natural evolution has provided multicellular organisms with sophisticated functionalities and repair mechanisms for surviving and preserve their functions after an injury and/or infection. In this context, biological systems have inspired material scientists over decades to design and fabricate both self-healing polymeric materials and soft actuators with remarkable performance. The latter are capable of modifying their shape in response to environmental changes, such as temperature, pH, light, electrical/magnetic field, chemical additives, etc. In this review, we focus on the fusion of both types of materials, affording new systems with the potential to revolutionize almost every aspect of our modern life, from healthcare to environmental remediation and energy. The integration of stimuli-triggered self-healing properties into polymeric soft actuators endow environmental friendliness, cost-saving, enhanced safety, and lifespan of functional materials. We discuss the details of the most remarkable examples of self-healing soft actuators that display a macroscopic movement under specific stimuli. The discussion includes key experimental data, potential limitations, and mechanistic insights. Finally, we include a general table providing at first glance information about the nature of the external stimuli, conditions for self-healing and actuation, key information about the driving forces behind both phenomena, and the most important features of the achieved movement.
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Affiliation(s)
- Sebastian Bonardd
- Departamento
de Química Orgánica, Universidad
de La Laguna, Avenida Astrofísico Francisco Sánchez, La Laguna 38206, Tenerife Spain
- Instituto
Universitario de Bio-Orgánica Antonio González, Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez, La Laguna 38206, Tenerife Spain
| | - Mridula Nandi
- Department
of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - José Ignacio Hernández García
- Departamento
de Química Orgánica, Universidad
de La Laguna, Avenida Astrofísico Francisco Sánchez, La Laguna 38206, Tenerife Spain
- Instituto
Universitario de Bio-Orgánica Antonio González, Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez, La Laguna 38206, Tenerife Spain
| | - Binoy Maiti
- School
of Chemistry & Biochemistry, Georgia
Institute of Technology, 901 Atlantic Drive NW, Atlanta, Georgia 30332, United
States
| | - Alex Abramov
- Institute
of Organic Chemistry, University of Regensburg, Universitätstrasse 31, Regensburg 93053, Germany
| | - David Díaz Díaz
- Departamento
de Química Orgánica, Universidad
de La Laguna, Avenida Astrofísico Francisco Sánchez, La Laguna 38206, Tenerife Spain
- Instituto
Universitario de Bio-Orgánica Antonio González, Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez, La Laguna 38206, Tenerife Spain
- Institute
of Organic Chemistry, University of Regensburg, Universitätstrasse 31, Regensburg 93053, Germany
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25
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Pandey S, Makhado E, Kim S, Kang M. Recent developments of polysaccharide based superabsorbent nanocomposite for organic dye contamination removal from wastewater - A review. ENVIRONMENTAL RESEARCH 2023; 217:114909. [PMID: 36455632 DOI: 10.1016/j.envres.2022.114909] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/15/2022] [Accepted: 11/21/2022] [Indexed: 06/17/2023]
Abstract
One of the main problems with water pollution is dye contamination of rivers, industrial effluents, and water sources. It has endangered the world's sources of drinking water. Several remediation strategies have been carefully developed and tested to minimize this ominous picture. Due to their appealing practical and financial benefits, adsorption methods in particular are often listed as one of the most popular solutions to remediate dye-contaminated water. Biopolymer-based hydrogel nanocomposites are a cutting-edge class of materials with a wide range of applications that are effective in removing organic dyes from the environment. Since the incorporation of various materials into hydrogel matrices generated composite materials with distinct characteristics, these unique materials were often alluded to as ideal adsorbents. The fundamental emphasis of the conceptual and critical review of the literature in this research is the significant potential of hydrogel nanocomposites (HNCs) to remediate dye-contaminated water (especially for articles from the previous five years). The review also provides knowledge for the development of biopolymer-based HNCs, prospects, and opportunities for future research. It is also focused on optimum conditions for dye adsorption processes along with their adsorption kinetics and isotherm models. In summary, the information gained in this review research may contribute to a strengthened scientific rationale for the practical and efficient application of these novel adsorbent materials.
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Affiliation(s)
- Sadanand Pandey
- Department of Chemistry, College of Natural Science, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk, 38541, Republic of Korea.
| | - Edwin Makhado
- Department of Chemistry, School of Physical and Mineral Sciences, University of Limpopo, Sovenga, 0727, Polokwane, South Africa
| | - Sujeong Kim
- Department of Chemistry, College of Natural Science, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk, 38541, Republic of Korea
| | - Misook Kang
- Department of Chemistry, College of Natural Science, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk, 38541, Republic of Korea.
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26
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Zhang Z, Hu Y, Ma H, Wang Y, Zhong S, Sheng L, Li X, Peng J, Li J, Zhai M. MXene/Gelatin/Polyacrylamide Nanocomposite Double Network Hydrogel with Improved Mechanical and Photothermal Properties. Polymers (Basel) 2022; 14:polym14235247. [PMID: 36501639 PMCID: PMC9739737 DOI: 10.3390/polym14235247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/28/2022] [Accepted: 11/28/2022] [Indexed: 12/03/2022] Open
Abstract
The development of smart hydrogel with excellent mechanical properties and photothermal conversion capability is helpful in expending its application fields. Herein, a MXene/gelatin/polyacrylamide (M/G/PAM) nanocomposite double network (NDN) hydrogel was synthesized by γ-ray radiation technology for the first time. Compared with gelatin/polyacrylamide double network hydrogel, the optimized resultant M3/G/PAM NDN hydrogel shows better mechanical properties (tensile strength of 634 ± 10 kPa, compressive strength of 3.44 ± 0.12 MPa at a compression ratio of 90%). The M3/G/PAM NDN hydrogel exhibits a faster heating rate of 30 °C min-1, stable photothermal ability, and mechanical properties even after 20 cycles of on-off 808 nm near-infrared (NIR) laser irradiation (1.0 W cm-2). Furthermore, the temperature of M3/G/PAM NDN hydrogel can be increased rapidly from 25 °C to 90 °C in 10 s and could reach 145 °C in 120 s under irradiation by focused NIR laser irradiation (56.6 W cm-2). The high mechanical property and photothermal properties of M/G/PAM hydrogel are ascribed to the formation of double network and uniform hydrogen bonding between MXene and gelatin and PAM polymers. This work paves the way for construction of photothermal hydrogels with excellent mechanical properties.
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Affiliation(s)
- Zeyu Zhang
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, The Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Yang Hu
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, The Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Huiling Ma
- School of Materials Design and Engineering, Beijing Institute of Fashion Technology, Beijing 100029, China
| | - Yicheng Wang
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, The Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Shouchao Zhong
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, The Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Lang Sheng
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, The Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Xiang Li
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, The Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Jing Peng
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, The Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Correspondence: (J.P.); (M.Z.); Tel.: +86-10-62757193 (J.P.); +86-10-62753794 (M.Z.)
| | - Jiuqiang Li
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, The Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Maolin Zhai
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, The Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Correspondence: (J.P.); (M.Z.); Tel.: +86-10-62757193 (J.P.); +86-10-62753794 (M.Z.)
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27
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Zhu F, Du C, Dai Y, Li K. Thermally Driven Continuous Rolling of a Thick-Walled Cylindrical Rod. MICROMACHINES 2022; 13:2035. [PMID: 36422464 PMCID: PMC9698442 DOI: 10.3390/mi13112035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/12/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
Self-sustained motion can take advantage of direct energy extraction from a steady external environment to maintain its own motion, and has potential applications in energy harvesting, robotic motion, and transportation. Recent experiments have found that a thermally responsive rod can perform self-sustained rolling on a flat hot plate with an angular velocity determined by the competition between the thermal driving moment and the friction moment. A rod with a hollow cross section tends to greatly reduce the frictional resistance, while promising improvements in thermal conversion efficiency. In this paper, through deriving the equilibrium equations for steady-state self-sustained rolling of the thick-walled cylindrical rod, estimating the temperature field on the rod cross-section, and solving the analytical solution of the thermally induced driving moment, the dynamic behavior of the thermally driven self-sustained rolling of the thick-walled cylindrical rod is theoretically investigated. In addition, we investigate in detail the effects of radius ratio, heat transfer coefficient, heat flux, contact angle, thermal expansion coefficient, and sliding friction coefficient on the angular velocity of the self-sustained rolling of the thick-walled cylindrical rod to obtain the optimal ratio of internal and external radius. The results are instructive for the application of thick-walled cylindrical rods in the fields of waste heat harvesters and soft robotics.
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28
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Gao Y, Wei C, Zhao S, Gao W, Li Z, Li H, Luo J, Song X. Conductive
double‐network
hydrogel for a highly conductive
anti‐fatigue
flexible sensor. J Appl Polym Sci 2022. [DOI: 10.1002/app.53327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yi Gao
- School of Resources, Environment and Materials Guangxi University Nanning China
| | - Cuilian Wei
- School of Resources, Environment and Materials Guangxi University Nanning China
| | - Shuangliang Zhao
- Guangxi Engineering and Technology Research Center for High Quality Structural Panels from Biomass Wastes Guangxi University Nanning China
- School of Chemistry and Chemical Engineering Guangxi University Nanning China
| | - Wei Gao
- School of Resources, Environment and Materials Guangxi University Nanning China
- Guangxi Engineering and Technology Research Center for High Quality Structural Panels from Biomass Wastes Guangxi University Nanning China
| | - Zequan Li
- School of Resources, Environment and Materials Guangxi University Nanning China
| | - Hong Li
- School of Resources, Environment and Materials Guangxi University Nanning China
| | - Jianju Luo
- School of Resources, Environment and Materials Guangxi University Nanning China
| | - Xianyu Song
- Chongqing Key Laboratory of Water Environment Evolution and Pollution Control in Three Gorges Reservoir, School of Environmental and Chemical Engineering Chongqing Three Gorges University Chongqing China
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29
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Han L, Wang R, Dong Y, Zhang X, Wu C, Zhao X. A wireless "Janus" soft gripper with multiple tactile sensors. NANOSCALE ADVANCES 2022; 4:4756-4765. [PMID: 36381512 PMCID: PMC9642356 DOI: 10.1039/d2na00208f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
Biomimetic properties allow soft robots to complexly interact with the environment. As the bridge between the robot and the operating object, the gripping hand is an important organ for its connection with the outside world, which requires the ability to provide feedback from the grasped object, similar to the human sensory and nervous system. In this work, to cope with the difficulty of integrating complex sensing and communication systems into flexible soft grippers, we propose a GO/PI composite bilayer film-based gripper with two types of tactile sensors and a LC passive wireless transmission module to obtain the grip information and transmit it to the processor. The bilayer film structure demonstrates good photothermal driving performance. Pressure and material sensors are located at the tips of the gripper's fingers to acquire tactile information which is wirelessly transmitted to the processor for analysis via the LC circuit. The grasping and feedback of the gripper are presented through an intelligent display system, realizing the wireless interconnection between the robot terminal and processing system, exhibiting broad application potential.
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Affiliation(s)
- Lei Han
- Key Laboratory of MEMS of the Ministry of Education, Southeast University Nanjing 210096 China
| | - Rui Wang
- Key Laboratory of MEMS of the Ministry of Education, Southeast University Nanjing 210096 China
| | - Yupeng Dong
- Key Laboratory of MEMS of the Ministry of Education, Southeast University Nanjing 210096 China
| | - Xun Zhang
- Key Laboratory of MEMS of the Ministry of Education, Southeast University Nanjing 210096 China
| | - Chenggen Wu
- Key Laboratory of MEMS of the Ministry of Education, Southeast University Nanjing 210096 China
| | - Xiaoguang Zhao
- Department of Precision Instruments, Tsinghua University Beijing 100084 China
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30
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Li X, Cao L, Chen LP. Multifunctional ionic conductive hydrogels based on gelatin and 2-acrylamido-2-methylpropane sulfonic acid as strain sensors. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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31
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Wang W, Li PF, Xie R, Ju XJ, Liu Z, Chu LY. Designable Micro-/Nano-Structured Smart Polymeric Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2107877. [PMID: 34897843 DOI: 10.1002/adma.202107877] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/28/2021] [Indexed: 06/14/2023]
Abstract
Smart polymeric materials with dynamically tunable physico-chemical characteristics in response to changes of environmental stimuli, have received considerable attention in myriad fields. The diverse combination of their micro-/nano-structural and molecular designs creates promising and exciting opportunities for exploiting advanced smart polymeric materials. Engineering micro-/nano-structures into smart polymeric materials with elaborate molecular design enables intricate coordination between their structures and molecular-level response to cooperatively realize smart functions for practical applications. In this review, recent progresses of smart polymeric materials that combine micro-/nano-structures and molecular design to achieve designed advanced functions are highlighted. Smart hydrogels, gating membranes, gratings, milli-particles, micro-particles and microvalves are employed as typical examples to introduce their design and fabrication strategies. Meanwhile, the key roles of interplay between their micro-/nano-structures and responsive properties to realize the desired functions for their applications are emphasized. Finally, perspectives on the current challenges and opportunities of micro-/nano-structured smart polymeric materials for their future development are presented.
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Affiliation(s)
- Wei Wang
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, 610065, China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan, 610065, China
| | - Ping-Fan Li
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, 610065, China
| | - Rui Xie
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, 610065, China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan, 610065, China
| | - Xiao-Jie Ju
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, 610065, China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan, 610065, China
| | - Zhuang Liu
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, 610065, China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan, 610065, China
| | - Liang-Yin Chu
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, 610065, China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan, 610065, China
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32
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Dong X, Luo X, Zhao H, Qiao C, Li J, Yi J, Yang L, Oropeza FJ, Hu TS, Xu Q, Zeng H. Recent advances in biomimetic soft robotics: fabrication approaches, driven strategies and applications. SOFT MATTER 2022; 18:7699-7734. [PMID: 36205123 DOI: 10.1039/d2sm01067d] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Compared to traditional rigid-bodied robots, soft robots are constructed using physically flexible/elastic bodies and electronics to mimic nature and enable novel applications in industry, healthcare, aviation, military, etc. Recently, the fabrication of robots on soft matter with great flexibility and compliance has enabled smooth and sophisticated 'multi-degree-of-freedom' 3D actuation to seamlessly interact with humans, other organisms and non-idealized environments in a highly complex and controllable manner. Herein, we summarize the fabrication approaches, driving strategies, novel applications, and future trends of soft robots. Firstly, we introduce the different fabrication approaches to prepare soft robots and compare and systematically discuss their advantages and disadvantages. Then, we present the actuator-based and material-based driving strategies of soft robotics and their characteristics. The representative applications of soft robotics in artificial intelligence, medicine, sensors, and engineering are summarized. Also, some remaining challenges and future perspectives in soft robotics are provided. This work highlights the recent advances of soft robotics in terms of functional material selection, structure design, control strategies and biomimicry, providing useful insights into the development of next-generation functional soft robotics.
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Affiliation(s)
- Xiaoxiao Dong
- College of Mechanical and Transportation Engineering, China University of Petroleum-Beijing, Beijing 102249, China.
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton T6G 1H9, Canada.
| | - Xiaohang Luo
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing 102249, China
| | - Hong Zhao
- College of Mechanical and Transportation Engineering, China University of Petroleum-Beijing, Beijing 102249, China.
| | - Chenyu Qiao
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton T6G 1H9, Canada.
| | - Jiapeng Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing 102249, China
| | - Jianhong Yi
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China.
| | - Li Yang
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton T6G 1H9, Canada.
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China.
| | - Francisco J Oropeza
- Department of Mechanical Engineering, California State University, Los Angeles, California 90032, USA
| | - Travis Shihao Hu
- Department of Mechanical Engineering, California State University, Los Angeles, California 90032, USA
| | - Quan Xu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing 102249, China
| | - Hongbo Zeng
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton T6G 1H9, Canada.
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33
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Lin YL, Zheng S, Chang CW, Lee MJ, Chen YF, Chen JT. Photoresponsive Single-Ion Nanocomposite Hydrogels: Competition of Host–Guest Interactions. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yu-Liang Lin
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Sheng Zheng
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Chia-Wei Chang
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Min-Jie Lee
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Yi-Fan Chen
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Jiun-Tai Chen
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
- Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
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34
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Zou F, Xu J, Yuan L, Zhang Q, Jiang L. Recent progress on smart hydrogels for biomedicine and bioelectronics. BIOSURFACE AND BIOTRIBOLOGY 2022. [DOI: 10.1049/bsb2.12046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Fa Zou
- Key Laboratory of Fluid and Power Machinery of Ministry of Education School of Materials Science and Engineering Xihua University Chengdu China
| | - Jiefang Xu
- School of Literature, Journalism and Communication Xihua University Chengdu China
| | - Le Yuan
- Key Laboratory of Fluid and Power Machinery of Ministry of Education School of Materials Science and Engineering Xihua University Chengdu China
| | - Qinyong Zhang
- Key Laboratory of Advanced Technologies of Materials Ministry of Education School of Materials Science and Engineering Southwest Jiaotong University Chengdu Sichuan China
| | - Lili Jiang
- Key Laboratory of Fluid and Power Machinery of Ministry of Education School of Materials Science and Engineering Xihua University Chengdu China
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35
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Tough, highly resilient and conductive nanocomposite hydrogels reinforced with surface-grafted cellulose nanocrystals and reduced graphene oxide for flexible strain sensors. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129341] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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36
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Zhang C, Qi Y, Zhang Z. Swelling Behaviour of Polystyrene Microsphere Enhanced PEG-Based Hydrogels in Seawater and Evolution Mechanism of Their Three-Dimensional Network Microstructure. MATERIALS 2022; 15:ma15144959. [PMID: 35888427 PMCID: PMC9316508 DOI: 10.3390/ma15144959] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/13/2022] [Accepted: 07/14/2022] [Indexed: 12/04/2022]
Abstract
To understand the microstructure evolution of hydrogels swollen in seawater, freeze-drying technology was used to fix and preserve the swollen three-dimensional microstructure. By this method, we revealed the swelling behavior of hydrogels in seawater, and elucidated the mechanism of the swelling process. Meanwhile, we also used Fourier-transform infrared spectroscopy; laser confocal microscopy; field emission scanning electron microscopy, and swelling performance tests to research the structure and properties of PS-PEG hydrogels, before and after seawater swelling, and analyzed the structure and properties of PEG-based hydrogels with different contents of polystyrene microspheres. Results showed that PS-PEG hydrogels went through three stages during the swelling process, namely ‘wetting-rapid swelling-swelling equilibrium’. Due to the capillary effect and hydration effect, the surface area would initially grow tiny pores, and enter the interior in a free penetration manner. Finally, it formed a stable structure, and this process varied with different content of polystyrene microspheres. In addition, with the increase of polystyrene microsphere content, the roughness of the hydrogel before swelling would increase, but decrease after swelling. Appropriate acquisition of polystyrene microspheres could enhance the three-dimensional network structure of PEG-based hydrogels, with a lower swelling degree than hydrogels without polystyrene microspheres.
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Wang X, Shan M, Zhang S, Chen X, Liu W, Chen J, Liu X. Stimuli-Responsive Antibacterial Materials: Molecular Structures, Design Principles, and Biomedical Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2104843. [PMID: 35224893 PMCID: PMC9069201 DOI: 10.1002/advs.202104843] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 01/30/2022] [Indexed: 05/03/2023]
Abstract
Infections are regarded as the most severe complication associated with human health, which are urgent to be solved. Stimuli-responsive materials are appealing therapeutic platforms for antibacterial treatments, which provide great potential for accurate theranostics. In this review, the advantages, the response mechanisms, and the key design principles of stimuli-responsive antibacterial materials are highlighted. The biomedical applications, the current challenges, and future directions of stimuli-responsive antibacterial materials are also discussed. First, the categories of stimuli-responsive antibacterial materials are comprehensively itemized based on different sources of stimuli, including external physical environmental stimuli (e.g., temperature, light, electricity, salt, etc.) and bacterial metabolites stimuli (e.g., acid, enzyme, redox, etc.). Second, structural characteristics, design principles, and biomedical applications of the responsive materials are discussed, and the underlying interrelationships are revealed. The molecular structures and design principles are closely related to the sources of stimuli. Finally, the challenging issues of stimuli-responsive materials are proposed. This review will provide scientific guidance to promote the clinical applications of stimuli-responsive antibacterial materials.
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Affiliation(s)
- Xianghong Wang
- School of Materials Science and EngineeringThe Key Laboratory of Material Processing and Mold of Ministry of EducationHenan Key Laboratory of Advanced Nylon Materials and ApplicationZhengzhou UniversityZhengzhou450001China
| | - Mengyao Shan
- School of Materials Science and EngineeringThe Key Laboratory of Material Processing and Mold of Ministry of EducationHenan Key Laboratory of Advanced Nylon Materials and ApplicationZhengzhou UniversityZhengzhou450001China
| | - Shike Zhang
- School of Materials Science and EngineeringThe Key Laboratory of Material Processing and Mold of Ministry of EducationHenan Key Laboratory of Advanced Nylon Materials and ApplicationZhengzhou UniversityZhengzhou450001China
| | - Xin Chen
- College of Food Science and EngineeringNational Engineering Research Center for Wheat & Corn Further ProcessingHenan University of TechnologyZhengzhou450001China
| | - Wentao Liu
- School of Materials Science and EngineeringThe Key Laboratory of Material Processing and Mold of Ministry of EducationHenan Key Laboratory of Advanced Nylon Materials and ApplicationZhengzhou UniversityZhengzhou450001China
| | - Jinzhou Chen
- School of Materials Science and EngineeringThe Key Laboratory of Material Processing and Mold of Ministry of EducationHenan Key Laboratory of Advanced Nylon Materials and ApplicationZhengzhou UniversityZhengzhou450001China
| | - Xuying Liu
- School of Materials Science and EngineeringThe Key Laboratory of Material Processing and Mold of Ministry of EducationHenan Key Laboratory of Advanced Nylon Materials and ApplicationZhengzhou UniversityZhengzhou450001China
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38
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Tian Y, Zhu X, Gan T, He B, Wang X. Preparation of multifunctional biohydrogel sensors with one freeze–thaw process. J Appl Polym Sci 2022. [DOI: 10.1002/app.52482] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yi Tian
- College of Bioresources Chemical and Materials Engineering Shaanxi University of Science & Technology Xi'an China
- National Demonstration Center for Experimental Light Chemistry Engineering Education Shaanxi University of Science & Technology Xi'an China
- Institute of Biomass & Functional Materials Shaanxi University of Science & Technology Xi'an China
| | - Xing Zhu
- College of Bioresources Chemical and Materials Engineering Shaanxi University of Science & Technology Xi'an China
- National Demonstration Center for Experimental Light Chemistry Engineering Education Shaanxi University of Science & Technology Xi'an China
- Institute of Biomass & Functional Materials Shaanxi University of Science & Technology Xi'an China
| | - Ting Gan
- College of Bioresources Chemical and Materials Engineering Shaanxi University of Science & Technology Xi'an China
- Institute of Biomass & Functional Materials Shaanxi University of Science & Technology Xi'an China
| | - Bin He
- College of Bioresources Chemical and Materials Engineering Shaanxi University of Science & Technology Xi'an China
- National Demonstration Center for Experimental Light Chemistry Engineering Education Shaanxi University of Science & Technology Xi'an China
| | - Xuechuan Wang
- College of Bioresources Chemical and Materials Engineering Shaanxi University of Science & Technology Xi'an China
- National Demonstration Center for Experimental Light Chemistry Engineering Education Shaanxi University of Science & Technology Xi'an China
- Institute of Biomass & Functional Materials Shaanxi University of Science & Technology Xi'an China
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39
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Bae SW, Kim J, Kwon S. Recent Advances in Polymer Additive Engineering for Diagnostic and Therapeutic Hydrogels. Int J Mol Sci 2022; 23:2955. [PMID: 35328375 PMCID: PMC8955662 DOI: 10.3390/ijms23062955] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/03/2022] [Accepted: 03/03/2022] [Indexed: 12/13/2022] Open
Abstract
Hydrogels are hydrophilic polymer materials that provide a wide range of physicochemical properties as well as are highly biocompatible. Biomedical researchers are adapting these materials for the ever-increasing range of design options and potential applications in diagnostics and therapeutics. Along with innovative hydrogel polymer backbone developments, designing polymer additives for these backbones has been a major contributor to the field, especially for expanding the functionality spectrum of hydrogels. For the past decade, researchers invented numerous hydrogel functionalities that emerge from the rational incorporation of additives such as nucleic acids, proteins, cells, and inorganic nanomaterials. Cases of successful commercialization of such functional hydrogels are being reported, thus driving more translational research with hydrogels. Among the many hydrogels, here we reviewed recently reported functional hydrogels incorporated with polymer additives. We focused on those that have potential in translational medicine applications which range from diagnostic sensors as well as assay and drug screening to therapeutic actuators as well as drug delivery and implant. We discussed the growing trend of facile point-of-care diagnostics and integrated smart platforms. Additionally, special emphasis was given to emerging bioinformatics functionalities stemming from the information technology field, such as DNA data storage and anti-counterfeiting strategies. We anticipate that these translational purpose-driven polymer additive research studies will continue to advance the field of functional hydrogel engineering.
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Affiliation(s)
- Sang-Wook Bae
- Bio-MAX/N-Bio, Seoul National University, Daehak-dong, Gwanak-gu, Seoul 08826, Korea
| | - Jiyun Kim
- School of Materials Science and Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Korea
- Center for Multidimensional Programmable Matter, Ulsan 44919, Korea
| | - Sunghoon Kwon
- Department of Electrical and Computer Engineering, Seoul National University, Daehak-dong, Gwanak-gu, Seoul 08826, Korea
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Shakeri F, Ariaeenejad S, Ghollasi M, Motamedi E. Synthesis of two novel bio-based hydrogels using sodium alginate and chitosan and their proficiency in physical immobilization of enzymes. Sci Rep 2022; 12:2072. [PMID: 35136126 PMCID: PMC8827098 DOI: 10.1038/s41598-022-06013-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 01/20/2022] [Indexed: 01/17/2023] Open
Abstract
Herein, four novel and bio-based hydrogel samples using sodium alginate (SA) and chitosan (CH) grafted with acrylamide (AAm) and glycidyl methacrylate (GMA) and their reinforced nanocomposites with graphene oxide (GO) were synthesized and coded as SA-g-(AAm-co-GMA), CH-g-(AAm-co-GMA), GO/SA-g-(AAm-co-GMA), and GO/CH-g-(AAm-co-GMA), respectively. The morphology, net charge, and water absorption capacity of samples were entirely changed by switching the biopolymer from SA to CH and adding a nano-filler. The proficiencies of hydrogels were compared in the immobilization of a model metagenomic-derived xylanase (PersiXyn9). The best performance was observed for GO/SA-g-poly(AAm-co-GMA) sample indicating better stabilizing electrostatic attractions between PersiXyn9 and reinforced SA-based hydrogel. Compared to the free enzyme, the immobilized PersiXyn9 on reinforced SA-based hydrogel showed a 110.1% increase in the released reducing sugar and almost double relative activity after 180 min storage. While immobilized enzyme on SA-based hydrogel displayed 58.7% activity after twelve reuse cycles, the enzyme on CH-based carrier just retained 8.5% activity after similar runs.
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Affiliation(s)
- Fateh Shakeri
- Department of Cell and Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Shohreh Ariaeenejad
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
| | - Marzieh Ghollasi
- Department of Cell and Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran.
| | - Elaheh Motamedi
- Department of Nanotechnology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran.
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Darwish MSA, Mostafa MH, Al-Harbi LM. Polymeric Nanocomposites for Environmental and Industrial Applications. Int J Mol Sci 2022; 23:1023. [PMID: 35162946 PMCID: PMC8835668 DOI: 10.3390/ijms23031023] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/10/2022] [Accepted: 01/16/2022] [Indexed: 12/20/2022] Open
Abstract
Polymeric nanocomposites (PNC) have an outstanding potential for various applications as the integrated structure of the PNCs exhibits properties that none of its component materials individually possess. Moreover, it is possible to fabricate PNCs into desired shapes and sizes, which would enable controlling their properties, such as their surface area, magnetic behavior, optical properties, and catalytic activity. The low cost and light weight of PNCs have further contributed to their potential in various environmental and industrial applications. Stimuli-responsive nanocomposites are a subgroup of PNCs having a minimum of one promising chemical and physical property that may be controlled by or follow a stimulus response. Such outstanding properties and behaviors have extended the scope of application of these nanocomposites. The present review discusses the various methods of preparation available for PNCs, including in situ synthesis, solution mixing, melt blending, and electrospinning. In addition, various environmental and industrial applications of PNCs, including those in the fields of water treatment, electromagnetic shielding in aerospace applications, sensor devices, and food packaging, are outlined.
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Affiliation(s)
- Mohamed S A Darwish
- Egyptian Petroleum Research Institute, 1 Ahmed El-Zomor Street, El Zohour Region, Nasr City, Cairo 11727, Egypt
| | - Mohamed H Mostafa
- Egyptian Petroleum Research Institute, 1 Ahmed El-Zomor Street, El Zohour Region, Nasr City, Cairo 11727, Egypt
| | - Laila M Al-Harbi
- Chemistry Department, Faculty of Science, King Abdul-Aziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
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Milani GM, Coutinho IT, Ambrosio FN, Monteiro do Nascimento MH, Lombello CB, Venancio EC, Champeau M. Poly(acrylic acid)/polypyrrole interpenetrated network as electro‐responsive hydrogel for biomedical applications. J Appl Polym Sci 2022. [DOI: 10.1002/app.52091] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Giorgio Marques Milani
- Center of Engineering, Modelling and Applied Social Sciences Federal University of ABC Santo André Brazil
| | - Isabela Trindade Coutinho
- Center of Engineering, Modelling and Applied Social Sciences Federal University of ABC Santo André Brazil
| | - Felipe Nogueira Ambrosio
- Center of Engineering, Modelling and Applied Social Sciences Federal University of ABC Santo André Brazil
| | | | | | - Everaldo Carlos Venancio
- Center of Engineering, Modelling and Applied Social Sciences Federal University of ABC Santo André Brazil
| | - Mathilde Champeau
- Center of Engineering, Modelling and Applied Social Sciences Federal University of ABC Santo André Brazil
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43
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A Review on Synthesis Methods of Phyllosilicate- and Graphene-Filled Composite Hydrogels. JOURNAL OF COMPOSITES SCIENCE 2022. [DOI: 10.3390/jcs6010015] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
This review discusses, in brief, the various synthetic methods of two widely-used nanofillers; phyllosilicate and graphene. Both are 2D fillers introduced into hydrogel matrices to achieve mechanical robustness and water uptake behavior. Both the fillers are inserted by physical and chemical gelation methods where most of the chemical gelation, i.e., covalent approaches, results in better physical properties compared to their physical gels. Physical gels occur due to supramolecular assembly, van der Waals interactions, electrostatic interactions, hydrophobic associations, and H-bonding. For chemical gelation, in situ radical triggered gelation mostly occurs.
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Rani Aluri E, Gannon E, Singh K, Kolagatla S, Kowiorski K, Shingte S, McKiernan E, Moloney C, McGarry K, Jowett L, Rodriguez BJ, Brougham DF, Wychowaniec JK. Graphene oxide modulates inter-particle interactions in 3D printable soft nanocomposite hydrogels restoring magnetic hyperthermia responses. J Colloid Interface Sci 2021; 611:533-544. [PMID: 34971964 DOI: 10.1016/j.jcis.2021.12.048] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 11/25/2021] [Accepted: 12/07/2021] [Indexed: 01/26/2023]
Abstract
Hydrogels loaded with magnetic iron oxide nanoparticles that can be patterned and which controllably induce hyperthermic responses on AC-field stimulation are of interest as functional components of next-generation biomaterials. Formation of nanocomposite hydrogels is known to eliminate any Brownian contribution to hyperthermic response (reducing stimulated heating) while the Néel contribution can also be suppressed by inter-particle dipolar interactions arising from aggregation induced before or during gelation. We describe the ability of graphene oxide (GO) flakes to restore the hyperthermic efficiency of soft printable hydrogels formed using Pluronics F127 and PEGylated magnetic nanoflowers. Here, by varying the amount of GO in mixed nanocomposite suspensions and gels, we demonstrate GO-content dependent recovery of hyperthemic response in gels. This is due to progressively reduced inter-nanoflower interactions mediated by GO, which largely restore the dispersed-state Néel contribution to heating. We suggest that preferential association of GO with the hydrophobic F127 blocks increases the preponderance of cohesive interactions between the hydrophilic blocks and the PEGylated nanoflowers, promoting dispersion of the latter. Finally we demonstrate extrusion-based 3D printing with excellent print fidelity of the magnetically-responsive nanocomposites, for which the inclusion of GO provides significant improvement in the spatially-localized open-coil heating response, rendering the prints viable components for future cell stimulation and delivery applications.
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Affiliation(s)
- Esther Rani Aluri
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Edward Gannon
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Krutika Singh
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Srikanth Kolagatla
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin 4, Ireland; School of Physics, University College Dublin, Belfield, Dublin 4, Ireland
| | - Krystian Kowiorski
- Łukasiewicz Research Network - Institute of Microelectronics and Photonics, Research Group - Functional Materials, Lotników 32/46, 02-668 Warsaw, Poland
| | - Sameer Shingte
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Eoin McKiernan
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Cara Moloney
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Katie McGarry
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Liam Jowett
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Brian J Rodriguez
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin 4, Ireland; School of Physics, University College Dublin, Belfield, Dublin 4, Ireland
| | - Dermot F Brougham
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Jacek K Wychowaniec
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland.
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45
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The Soft and High Actuation Response of Graphene Oxide/Gelatin Soft Gel. MATERIALS 2021; 14:ma14247553. [PMID: 34947149 PMCID: PMC8709113 DOI: 10.3390/ma14247553] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 12/02/2021] [Accepted: 12/03/2021] [Indexed: 12/25/2022]
Abstract
The high actuation response of soft gel from a graphene oxide/gelatin composite was prepared as an alternative material in soft robotics applications. Graphene oxide (GO) was selected as the electroresponsive (ER) particle. GO was synthesized by modifying Hummer's method at various ratios of graphite (GP) to potassium permanganate (KMnO4). To study the effect of ER particles on electromechanical properties, GO was blended with gelatin hydrogel (GEL) at various concentrations. The electrical properties of the ER particles (GO and GP) and matrix (GEL) were measured. The capacitance (C), resistance (R), and dielectric constant of the GO/GEL composite were lower than those of the GO particles but higher than those of the GEL and GP/GEL composite at the given number of particles. The effects of external electric field strength and the distance between electrodes on the degree of bending and the dielectrophoresis force (Fd) were investigated. When the external electric field was applied, the composite bent toward electrode, because the electric field polarized the functional group of polymer molecules. Under applied 400 V/mm, the GO/GEL composite (5% w/w) showed the highest deflection angle (θ = 82.88°) and dielectrophoresis force (7.36 N). From the results, we conclude that the GO/GEL composite can be an alternative candidate material for electromechanical actuator applications.
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Abstract
Electro-responsive actuators (ERAs) hold great promise for cutting-edge applications in e-skins, soft robots, unmanned flight, and in vivo surgery devices due to the advantages of fast response, precise control, programmable deformation, and the ease of integration with control circuits. Recently, considering the excellent physical/chemical/mechanical properties (e.g., high carrier mobility, strong mechanical strength, outstanding thermal conductivity, high specific surface area, flexibility, and transparency), graphene and its derivatives have emerged as an appealing material in developing ERAs. In this review, we have summarized the recent advances in graphene-based ERAs. Typical the working mechanisms of graphene ERAs have been introduced. Design principles and working performance of three typical types of graphene ERAs (e.g., electrostatic actuators, electrothermal actuators, and ionic actuators) have been comprehensively summarized. Besides, emerging applications of graphene ERAs, including artificial muscles, bionic robots, human-soft actuators interaction, and other smart devices, have been reviewed. At last, the current challenges and future perspectives of graphene ERAs are discussed.
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47
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Zhang Z, Jiang W, Xie X, Liang H, Chen H, Chen K, Zhang Y, Xu W, Chen M. Recent Developments of Nanomaterials in Hydrogels: Characteristics, Influences, and Applications. ChemistrySelect 2021. [DOI: 10.1002/slct.202103528] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Zongzheng Zhang
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Wenqing Jiang
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Xinmin Xie
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Haiqing Liang
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Hao Chen
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Kun Chen
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Ying Zhang
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Wenlong Xu
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Mengjun Chen
- School of Qilu Transportation Shandong University Jinan 250002 China
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48
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Xia S, Feng S, Deng Z, Liang Q, Xiang X, Xie H. The role of reduced graphene oxide as a “
2D
flexible crosslinking point” in composite hydrogels. POLYM ENG SCI 2021. [DOI: 10.1002/pen.25854] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Shuang Xia
- School of Materials Science and Engineering, Chongqing Jiaotong University Chongqing China
| | - Shi Feng
- School of Materials Science and Engineering, Chongqing Jiaotong University Chongqing China
| | - Zejiang Deng
- School of Materials Science and Engineering, Chongqing Jiaotong University Chongqing China
| | - Qiuyu Liang
- School of Materials Science and Engineering, Chongqing Jiaotong University Chongqing China
| | - Xu Xiang
- School of Materials Science and Engineering, Chongqing Jiaotong University Chongqing China
| | - Hongyan Xie
- China‐Australia Institute for Advanced Materials and Manufacturing, Jiaxing University Jiaxing China
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Dong Y, Ramey-Ward AN, Salaita K. Programmable Mechanically Active Hydrogel-Based Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2006600. [PMID: 34309076 PMCID: PMC8595730 DOI: 10.1002/adma.202006600] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/20/2020] [Indexed: 05/14/2023]
Abstract
Programmable mechanically active materials (MAMs) are defined as materials that can sense and transduce external stimuli into mechanical outputs or conversely that can detect mechanical stimuli and respond through an optical change or other change in the appearance of the material. Programmable MAMs are a subset of responsive materials and offer potential in next generation robotics and smart systems. This review specifically focuses on hydrogel-based MAMs because of their mechanical compliance, programmability, biocompatibility, and cost-efficiency. First, the composition of hydrogel MAMs along with the top-down and bottom-up approaches used for programming these materials are discussed. Next, the fundamental principles for engineering responsivity in MAMS, which includes optical, thermal, magnetic, electrical, chemical, and mechanical stimuli, are considered. Some advantages and disadvantages of different responsivities are compared. Then, to conclude, the emerging applications of hydrogel-based MAMs from recently published literature, as well as the future outlook of MAM studies, are summarized.
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Affiliation(s)
- Yixiao Dong
- Department of Chemistry, Emory University, Atlanta, GA, United States, 30322
| | - Allison N. Ramey-Ward
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology/Emory University, Atlanta, GA, United States
| | - Khalid Salaita
- Department of Chemistry, Emory University, Atlanta, GA, United States, 30322
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50
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Liu T, Wang F, Wu Q, Chen T, Sun P. Fluorescent, electrically responsive and ultratough self-healing hydrogels via bioinspired all-in-one hierarchical micelles. MATERIALS HORIZONS 2021; 8:3096-3104. [PMID: 34515280 DOI: 10.1039/d1mh01172c] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Intelligent hydrogels that simultaneously exhibit excellent toughness, self-healing ability and photoelectronic responsiveness are in high demand but are greatly challenging to prepare. Inspired by the hierarchical structure of fluorescent proteins in jellyfish and biomembranes in nature, herein, a facile and universal all-in-one strategy is demonstrated to construct fluorescent, electrically responsive and ultratough self-healing hydrogels via aqueous self-assembly of polyelectrolyte-surfactant micelles with hierarchical structures and functionality. The self-assembled 2-ureido-4-[1H]-pyrimidone (UPy) hydrophobic core containing reversible physical crosslinks embedded in micelles leads to a durable network structure with excellent toughness and self-healing ability. Moreover, dramatically enhanced fluorescence emission is obtained due to the formation of nanoclusters with electron-rich moieties that show restricted intramolecular motion induced by hydrogen bonding networks from UPy dimer aggregation. The micelle-incorporated sulfonic acid groups mimic the function of biological membrane proteins that deftly control the micelle size, leading to electro-responsiveness, enhanced toughness and fluorescence emission.
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Affiliation(s)
- Tao Liu
- Key Laboratory of Functional Polymer Materials of Ministry of Education and College of Chemistry, and State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, China.
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, China
| | - Fenfen Wang
- Key Laboratory of Functional Polymer Materials of Ministry of Education and College of Chemistry, and State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, China.
| | - Qiang Wu
- Key Laboratory of Functional Polymer Materials of Ministry of Education and College of Chemistry, and State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, China.
| | - Tiehong Chen
- School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin, China
| | - Pingchuan Sun
- Key Laboratory of Functional Polymer Materials of Ministry of Education and College of Chemistry, and State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, China.
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