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Yang HW, Yeh NT, Chen TC, Yeh YC, Lee IC, Li YCE. A Printable Magnetic-Responsive Iron Oxide Nanoparticle (ION)-Gelatin Methacryloyl (GelMA) Ink for Soft Bioactuator/Robot Applications. Polymers (Basel) 2023; 16:25. [PMID: 38201691 PMCID: PMC10780401 DOI: 10.3390/polym16010025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/07/2023] [Accepted: 12/13/2023] [Indexed: 01/12/2024] Open
Abstract
The features or actuation behaviors of nature's creatures provide concepts for the development of biomimetic soft bioactuators/robots with stimuli-responsive capabilities, design convenience, and environmental adaptivity in various fields. Mimosa pudica is a mechanically responsive plant that can convert pressure to the motion of leaves. When the leaves receive pressure, the occurrence of asymmetric turgor in the extensor and flexor sides of the pulvinus from redistributing the water in the pulvinus causes the bending of the pulvinus. Inspired by the actuation of Mimosa pudica, designing soft bioactuators can convert external stimulations to driving forces for the actuation of constructs which has been receiving increased attention and has potential applications in many fields. 4D printing technology has emerged as a new strategy for creating versatile soft bioactuators/robots by integrating printing technologies with stimuli-responsive materials. In this study, we developed a hybrid ink by combining gelatin methacryloyl (GelMA) polymers with iron oxide nanoparticles (IONs). This hybrid ION-GelMA ink exhibits tunable rheology, controllable mechanical properties, magnetic-responsive behaviors, and printability by integrating the internal metal ion-polymeric chain interactions and photo-crosslinking chemistries. This design offers the inks a dual crosslink mechanism combining the advantages of photocrosslinking and ionic crosslinking to rapidly form the construct within 60 s of UV exposure time. In addition, the magnetic-responsive actuation of ION-GelMA constructs can be regulated by different ION concentrations (0-10%). Furthermore, we used the ION-GelMA inks to fabricate a Mimosa pudica-like soft bioactuator through a mold casting method and a direct-ink-writing (DIW) printing technology. Obviously, the pinnule leaf structure of printed constructs presents a continuous reversible shape transformation in an air phase without any liquid as a medium, which can mimic the motion characteristics of natural creatures. At the same time, compared to the model casting process, the DIW printed bioactuators show a more refined and biomimetic transformation shape that closely resembles the movement of the pinnule leaf of Mimosa pudica in response to stimulation. Overall, this study indicates the proof of concept and the potential prospect of magnetic-responsive ION-GelMA inks for the rapid prototyping of biomimetic soft bioactuators/robots with untethered non-contact magneto-actuations.
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Affiliation(s)
- Han-Wen Yang
- Department of Chemical Engineering, Feng Chia University, Taichung 40724, Taiwan; (H.-W.Y.); (N.-T.Y.); (T.-C.C.)
| | - Nien-Tzu Yeh
- Department of Chemical Engineering, Feng Chia University, Taichung 40724, Taiwan; (H.-W.Y.); (N.-T.Y.); (T.-C.C.)
| | - Tzu-Ching Chen
- Department of Chemical Engineering, Feng Chia University, Taichung 40724, Taiwan; (H.-W.Y.); (N.-T.Y.); (T.-C.C.)
| | - Yu-Chun Yeh
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu 300044, Taiwan;
| | - I-Chi Lee
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu 300044, Taiwan;
| | - Yi-Chen Ethan Li
- Department of Chemical Engineering, Feng Chia University, Taichung 40724, Taiwan; (H.-W.Y.); (N.-T.Y.); (T.-C.C.)
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2
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Mehrotra S, Dey S, Sachdeva K, Mohanty S, Mandal BB. Recent advances in tailoring stimuli-responsive hybrid scaffolds for cardiac tissue engineering and allied applications. J Mater Chem B 2023; 11:10297-10331. [PMID: 37905467 DOI: 10.1039/d3tb00450c] [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: 11/02/2023]
Abstract
To recapitulate bio-physical properties and functional behaviour of native heart tissues, recent tissue engineering-based approaches are focused on developing smart/stimuli-responsive materials for interfacing cardiac cells. Overcoming the drawbacks of the traditionally used biomaterials, these smart materials portray outstanding mechanical and conductive properties while promoting cell-cell interaction and cell-matrix transduction cues in such excitable tissues. To date, a large number of stimuli-responsive materials have been employed for interfacing cardiac tissues alone or in combination with natural/synthetic materials for cardiac tissue engineering. However, their comprehensive classification and a comparative analysis of the role played by these materials in regulating cardiac cell behaviour and in vivo metabolism are much less discussed. In an attempt to cover the recent advances in fabricating stimuli-responsive biomaterials for engineering cardiac tissues, this review details the role of these materials in modulating cardiomyocyte behaviour, functionality and surrounding matrix properties. Furthermore, concerns and challenges regarding the clinical translation of these materials and the possibility of using such materials for the fabrication of bio-actuators and bioelectronic devices are discussed.
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Affiliation(s)
- Shreya Mehrotra
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahti-781039, Assam, India. biman.mandal@iitg,ac.in
| | - Souradeep Dey
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahti-781039, Assam, India
| | - Kunj Sachdeva
- DBT-Centre of Excellence for Stem Cell Research, All India Institute of Medical Sciences, New Delhi-110029, India
| | - Sujata Mohanty
- DBT-Centre of Excellence for Stem Cell Research, All India Institute of Medical Sciences, New Delhi-110029, India
| | - Biman B Mandal
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahti-781039, Assam, India. biman.mandal@iitg,ac.in
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahti-781039, Assam, India
- Jyoti and Bhupat Mehta School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati-781039, Assam, India
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3
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Razzaq MY, Balk M, Mazurek-Budzyńska M, Schadewald A. From Nature to Technology: Exploring Bioinspired Polymer Actuators via Electrospinning. Polymers (Basel) 2023; 15:4029. [PMID: 37836078 PMCID: PMC10574948 DOI: 10.3390/polym15194029] [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: 08/21/2023] [Revised: 09/29/2023] [Accepted: 10/04/2023] [Indexed: 10/15/2023] Open
Abstract
Nature has always been a source of inspiration for the development of novel materials and devices. In particular, polymer actuators that mimic the movements and functions of natural organisms have been of great interest due to their potential applications in various fields, such as biomedical engineering, soft robotics, and energy harvesting. During recent years, the development and actuation performance of electrospun fibrous meshes with the advantages of high permeability, surface area, and easy functional modification, has received extensive attention from researchers. This review covers the recent progress in the state-of-the-art electrospun actuators based on commonly used polymers such as stimuli-sensitive hydrogels, shape-memory polymers (SMPs), and electroactive polymers. The design strategies inspired by nature such as hierarchical systems, layered structures, and responsive interfaces to enhance the performance and functionality of these actuators, including the role of biomimicry to create devices that mimic the behavior of natural organisms, are discussed. Finally, the challenges and future directions in the field, with a focus on the development of more efficient and versatile electrospun polymer actuators which can be used in a wide range of applications, are addressed. The insights gained from this review can contribute to the development of advanced and multifunctional actuators with improved performance and expanded application possibilities.
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Affiliation(s)
- Muhammad Yasar Razzaq
- Institut für Kunststofftechnologie und Recycling e. V., Gewerbepark 3, D-6369 Südliches Anhalt, Germany
| | - Maria Balk
- Institute of Active Polymers, Helmholtz-Zentrum Hereon, Kantstraße 55, D-14513 Teltow, Germany
| | | | - Anke Schadewald
- Institut für Kunststofftechnologie und Recycling e. V., Gewerbepark 3, D-6369 Südliches Anhalt, Germany
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4
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Qu Z, Huang L, Guo M, Sun T, Xu X, Gao Z. Application of novel polypyrrole/melamine foam auxiliary electrode in promoting electrokinetic remediation of Cr(VI)-contaminated soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 876:162840. [PMID: 36924972 DOI: 10.1016/j.scitotenv.2023.162840] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 02/22/2023] [Accepted: 03/09/2023] [Indexed: 06/18/2023]
Affiliation(s)
- Zhengjun Qu
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
| | - Lihui Huang
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China.
| | - Mengmeng Guo
- Jinan Ecological and Environmental Monitoring Center, Jinan 250000, China
| | - Ting Sun
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
| | - Xiaoshen Xu
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
| | - Zhenhui Gao
- Institute of Eco-Environmental Forensics of Shandong University, Qingdao 266237, China
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5
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Beregoi M, Beaumont S, Evanghelidis A, Otero TF, Enculescu I. Bioinspired polypyrrole based fibrillary artificial muscle with actuation and intrinsic sensing capabilities. Sci Rep 2022; 12:15019. [PMID: 36056150 PMCID: PMC9440232 DOI: 10.1038/s41598-022-18955-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 08/23/2022] [Indexed: 11/09/2022] Open
Abstract
A non-conventional, bioinspired device based on polypyrrole coated electrospun fibrous microstructures, which simultaneously works as artificial muscle and mechanical sensor is reported. Fibrous morphology is preferred due to its high active surface which can improve the actuation/sensing properties, its preparation still being challenging. Thus, a simple fabrication algorithm based on electrospinning, sputtering deposition and electrochemical polymerization produced electroactive aligned ribbon meshes with analogous characteristics as natural muscle fibers. These can simultaneously generate a movement (by applying an electric current/potential) and sense the effort of holding weights (by measuring the potential/current while holding objects up to 21.1 mg). Electroactivity was consisting in a fast bending/curling motion, depending on the fiber strip width. The amplitude of the movement decreases by increasing the load, a behavior similar with natural muscles. Moreover, when different weights were hung on the device, it senses the load modification, demonstrating a sensitivity of about 7 mV/mg for oxidation and - 4 mV/mg for reduction. These results are important since simultaneous actuation and sensitivity are essential for complex activity. Such devices with multiple functionalities can open new possibilities of applications as e.g. smart prosthesis or lifelike robots.
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Affiliation(s)
- Mihaela Beregoi
- Multifunctional Materials and Structures Laboratory, National Institute of Materials Physics, Atomistilor Str. 405A, 077125, Magurele, Romania
| | - Samuel Beaumont
- Laboratory of Electrochemistry Intelligent Materials and Devices, Technical University of Cartagena, Campus Alfonso XIII, 30203, Cartagena, Spain
- Department of Chemistry and Materials, Faculty of Textile Science and Technology, Shinshu University, Ueda Campus, 3-15-1 Tokida, Ueda, Japan
| | - Alexandru Evanghelidis
- Multifunctional Materials and Structures Laboratory, National Institute of Materials Physics, Atomistilor Str. 405A, 077125, Magurele, Romania
| | - Toribio F Otero
- Laboratory of Electrochemistry Intelligent Materials and Devices, Technical University of Cartagena, Campus Alfonso XIII, 30203, Cartagena, Spain.
| | - Ionut Enculescu
- Multifunctional Materials and Structures Laboratory, National Institute of Materials Physics, Atomistilor Str. 405A, 077125, Magurele, Romania.
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6
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Direct and remote induced actuation in artificial muscles based on electrospun fiber networks. Sci Rep 2022; 12:13084. [PMID: 35906458 PMCID: PMC9338295 DOI: 10.1038/s41598-022-16872-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 07/18/2022] [Indexed: 11/08/2022] Open
Abstract
The present work reports a new configuration of soft artificial muscle based on a web of metal covered nylon 6/6 micrometric fibers attached to a thin polydimethylsiloxane (PDMS) film. The preparation process is simple and implies the attachment of metalized fiber networks to a PDMS sheet substrate while heating and applying compression. The resulting composite is versatile and can be cut in different shapes as a function of the application sought. When an electric current passes through the metallic web, heat is produced, leading to local dilatation and to subsequent controlled deformation. Because of this, the artificial muscle displays a fast and ample movement (maximum displacement of 0.8 cm) when applying a relatively low voltage (2.2 V), a consequence of the contrast between the thermal expanse coefficients of the PDMS substrate and of the web-like electrode. It was shown that the electrical current producing this effect can originate from both direct electric contacts, and untethered configurations i.e. radio frequency induced. Usually, for thermal activated actuators the heating is produced by using metallic films or conductive carbon-based materials, while here a fast heating/cooling process is obtained by using microfiber-based heaters. This new approach for untethered devices is an interesting path to follow, opening a wide range of applications were autonomous actuation and remote transfer of energy are needed.
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7
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Chortos A. Extrusion
3D
printing of conjugated polymers. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20210609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Alex Chortos
- Department of Mechanical Engineering Purdue University West Lafayette Indiana USA
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8
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Aldea A, Leote RJB, Matei E, Evanghelidis A, Enculescu I, Diculescu VC. Gold coated electrospun polymeric fibres as new electrode platform for glucose oxidase immobilization. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106108] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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9
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Qi K, Jin Z, Wang D, Chen Z, Guo X, Qiu Y. Modeling the natural degradation kinetics of conducting polypyrrole for service failure prediction in NaOH aqueous media. Polym Degrad Stab 2021. [DOI: 10.1016/j.polymdegradstab.2020.109418] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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10
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A review of smart electrospun fibers toward textiles. COMPOSITES COMMUNICATIONS 2020; 22:100506. [PMCID: PMC7497400 DOI: 10.1016/j.coco.2020.100506] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 09/12/2020] [Accepted: 09/14/2020] [Indexed: 05/24/2023]
Abstract
Electrospinning as a versatile technology has attracted a large amount of attention in the past few decades due to the facile way to produce micro- and nano-scale fibers featuring flexibility, large specific surface area and high porosity. Stimuli-responsive polymers are a class of smart materials that are capable of sensing surround environment and interacting with them. Therefore, the combination of electrospinning and smart materials could have a great deal of benefits over the development of smart fibers. In this review, it offers a comprehensive understanding of smart electrospun fibers toward textile applications. Firstly, the definition of smart fibers and the differences between interactive fibers and passive interactive fibers are briefly introduced. Then some interactive fibers made from temperature-, pH-, light-, electric field/electricity-, magnetic field-, multi-responsive polymers, as well as some polymers featuring piezoelectric and triboelectric effect which are suitable flexible electrics, are emphasized with their applications in the form of electrospun fibers. Afterwards, some passive and hybrid smart electrospun fibers are introduced. Finally, associated challenges and perspectives are summarized and discussed. Understanding of passive smart electrospun fibers and interactive smart electrospun fibers. The recent progress in flexible electronics from electrospun fibers. The recent progress in stimuli-responsive polymers applied in interactive smart electrospun fibers.
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11
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Synthesis of Core-Double Shell Nylon-ZnO/Polypyrrole Electrospun Nanofibers. NANOMATERIALS 2020; 10:nano10112241. [PMID: 33198133 PMCID: PMC7696486 DOI: 10.3390/nano10112241] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 11/09/2020] [Accepted: 11/09/2020] [Indexed: 12/15/2022]
Abstract
Core–double shell nylon-ZnO/polypyrrole electrospun nanofibers were fabricated by combining three straightforward methods (electrospinning, sol–gel synthesis and electrodeposition). The hybrid fibrous organic–inorganic nanocomposite was obtained starting from freestanding nylon 6/6 nanofibers obtained through electrospinning. Nylon meshes were functionalized with a very thin, continuous ZnO film by a sol–gel process and thermally treated in order to increase its crystallinity. Further, the ZnO coated networks were used as a working electrode for the electrochemical deposition of a very thin, homogenous polypyrrole layer. X-ray diffraction measurements were employed for characterizing the ZnO structures while spectroscopic techniques such as FTIR and Raman were employed for describing the polypyrrole layer. An elemental analysis was performed through X-ray microanalysis, confirming the expected double shell structure. A detailed micromorphological characterization through FESEM and TEM assays evidenced the deposition of both organic and inorganic layers. Highly transparent, flexible due to the presence of the polymer core and embedding a semiconducting heterojunction, such materials can be easily tailored and integrated in functional platforms with a wide range of applications.
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12
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Gao T, Xu G, Wen Y, Cheng H, Li C, Qu L. An intelligent film actuator with multi-level deformation behaviour. NANOSCALE HORIZONS 2020; 5:1226-1232. [PMID: 32608437 DOI: 10.1039/d0nh00268b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Smart materials with simply reversible deformation or reconfigurability have shown great potential in artificial muscles, robots, controlled displays, etc. However, the combination of reversible and reconfigured functions in responsive materials, which can endow them with mature and complex actuation performance similar to that of living things, is still a great challenge. In this regard, we report an intelligent graphene oxide (GO)/polyvinylidene fluoride (PVDF) film with reconfigured structures resulting from inner plastic deformation after treatment at elevated temperature (40-80 °C), which simultaneously expresses basically and secondarily reversible deformation ability of its original and reconfigured states in response to external stimuli (e.g. IR light and moisture), respectively. As a result, this film achieves unique multi-level actuation behaviour by combining reversible and reconfigured functions. Based on this, an "Artificial Pupil" with two switchable light penetration modes under the different reconfigured states was designed and developed. Furthermore, many special and reconfigured 3D structures (e.g. cubic boxes, pyramids) have been well explored, which is promising for applications in future materials engineering and biomimetic devices.
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Affiliation(s)
- Tiantian Gao
- Key Laboratory for Advanced Materials Processing Technology, Ministry of Education of China, State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China.
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13
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A facile fabrication of poly(methyl methacrylate)/$$\alpha$$-NaYF$$_4$$:Eu$$^{3+}$$ tunable electrospun photoluminescent nanofibers. APPLIED NANOSCIENCE 2020. [DOI: 10.1007/s13204-020-01499-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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14
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Yang L, Zhang T, Sun W. Construction of biocompatible bilayered light‐driven actuator composed of
rGO
/
PNIPAM
and
PEGDA
hydrogel. J Appl Polym Sci 2020. [DOI: 10.1002/app.49375] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Liai Yang
- Biomanufacturing Center, Department of Mechanical EngineeringTsinghua University Beijing China
- Biomanufacturing and Engineering Living Systems' Innovation International Talents Base (111 Base) Beijing China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing Beijing China
| | - Ting Zhang
- Biomanufacturing Center, Department of Mechanical EngineeringTsinghua University Beijing China
- Biomanufacturing and Engineering Living Systems' Innovation International Talents Base (111 Base) Beijing China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing Beijing China
| | - Wei Sun
- Biomanufacturing Center, Department of Mechanical EngineeringTsinghua University Beijing China
- Biomanufacturing and Engineering Living Systems' Innovation International Talents Base (111 Base) Beijing China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing Beijing China
- Department of Mechanical EngineeringDrexel University Philadelphia Pennsylvania USA
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15
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Vermes B, Czigany T. Non-Conventional Deformations: Materials and Actuation. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E1383. [PMID: 32197533 PMCID: PMC7142986 DOI: 10.3390/ma13061383] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 02/28/2020] [Accepted: 03/13/2020] [Indexed: 11/16/2022]
Abstract
This paper reviews materials and structures displaying non-conventional deformations as a response to different actuations (e.g., electricity, heat and mechanical loading). Due to the various kinds of actuation and targeted irregular deformation modes, the approaches in the literature show great diversity. Methods are systematized and tabulated based on the nature of actuation. Electrically and mechanically actuated shape changing concepts are discussed individually for their significance, while systems actuated by heat, pressure, light and chemicals are condensed in a shared section presenting examples and main research trends. Besides scientific research results, this paper features examples of real-world applicability of shape changing materials, highlighting their industrial value.
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Affiliation(s)
- Bruno Vermes
- Department of Polymer Engineering, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Műegyetem rkp. 3., H-1111 Budapest, Hungary;
- MTA-BME Research Group for Composite Science and Technology, Műegyetem rkp. 3., H-1111 Budapest, Hungary
| | - Tibor Czigany
- Department of Polymer Engineering, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Műegyetem rkp. 3., H-1111 Budapest, Hungary;
- MTA-BME Research Group for Composite Science and Technology, Műegyetem rkp. 3., H-1111 Budapest, Hungary
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16
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Serban A, Evanghelidis A, Onea M, Diculescu V, Enculescu I, Barsan MM. Electrospun conductive gold covered polycaprolactone fibers as electrochemical sensors for O2 monitoring in cell culture media. Electrochem commun 2020. [DOI: 10.1016/j.elecom.2020.106662] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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17
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Ruano G, Alemán C, Torras J. Study on the control of porosity in films of polythiophene derivatives. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.121858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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18
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Stress-charge coupling coefficient for thin-film polypyrrole actuators – Investigation of capacitive ion exchange in the oxidized state. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.05.166] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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19
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Molina BG, Cuesta S, Besharatloo H, Roa JJ, Armelin E, Alemán C. Free-Standing Faradaic Motors Based on Biocompatible Nanoperforated Poly(lactic Acid) Layers and Electropolymerized Poly(3,4-ethylenedioxythiophene). ACS APPLIED MATERIALS & INTERFACES 2019; 11:29427-29435. [PMID: 31313896 DOI: 10.1021/acsami.9b08678] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The electro-chemo-mechanical response of robust and flexible free-standing films made of three nanoperforated poly(lactic acid) (pPLA) layers separated by two anodically polymerized poly(3,4-ethylenedioxythiophene) (PEDOT) layers has been demonstrated. The mechanical and electrochemical properties of these films, which are provided by pPLA and PEDOT, respectively, have been studied by nanoindentation, cyclic voltammetry, and galvanostatic charge-discharge assays. The unprecedented combination of properties obtained for this system is appropriated for its utilization as a Faradaic motor, also named artificial muscle. Application of square potential waves has shown important bending movements in the films, which can be repeated for more than 500 cycles without damaging its mechanical integrity. Furthermore, the actuator is able to push a huge amount of mass, as it has been proved by increasing the mass of the passive pPLA up to 328% while keeping the mass of electroactive PEDOT unaltered.
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Affiliation(s)
- Brenda G Molina
- Departament d'Enginyeria Química, EEBE , Universitat Politécnica de Catalunya , C/Eduard Maristany 10-14, Ed. I2 , 08019 Barcelona , Spain
- Barcelona Research Center for Multiscale Science and Engineering , Universitat Politècnica de Catalunya , Eduard Maristany 10-14 , 08019 Barcelona , Spain
| | - Sergi Cuesta
- Departament d'Enginyeria Química, EEBE , Universitat Politécnica de Catalunya , C/Eduard Maristany 10-14, Ed. I2 , 08019 Barcelona , Spain
- Barcelona Research Center for Multiscale Science and Engineering , Universitat Politècnica de Catalunya , Eduard Maristany 10-14 , 08019 Barcelona , Spain
| | - Hossein Besharatloo
- Barcelona Research Center for Multiscale Science and Engineering , Universitat Politècnica de Catalunya , Eduard Maristany 10-14 , 08019 Barcelona , Spain
- CIEFMA-Departament de Ciència dels Materials i Eng. Metal·lúrgica , Universitat Politècnica de Catalunya , Eduard Maristany 10-14, Ed. I , 08019 Barcelona , Spain
| | - Joan Josep Roa
- Barcelona Research Center for Multiscale Science and Engineering , Universitat Politècnica de Catalunya , Eduard Maristany 10-14 , 08019 Barcelona , Spain
- CIEFMA-Departament de Ciència dels Materials i Eng. Metal·lúrgica , Universitat Politècnica de Catalunya , Eduard Maristany 10-14, Ed. I , 08019 Barcelona , Spain
| | - Elaine Armelin
- Departament d'Enginyeria Química, EEBE , Universitat Politécnica de Catalunya , C/Eduard Maristany 10-14, Ed. I2 , 08019 Barcelona , Spain
- Barcelona Research Center for Multiscale Science and Engineering , Universitat Politècnica de Catalunya , Eduard Maristany 10-14 , 08019 Barcelona , Spain
| | - Carlos Alemán
- Departament d'Enginyeria Química, EEBE , Universitat Politécnica de Catalunya , C/Eduard Maristany 10-14, Ed. I2 , 08019 Barcelona , Spain
- Barcelona Research Center for Multiscale Science and Engineering , Universitat Politècnica de Catalunya , Eduard Maristany 10-14 , 08019 Barcelona , Spain
- Institute for Bioengineering of Catalonia (IBEC) , The Barcelona Institute of Science and Technology , Baldiri Reixac 10-12 , 08028 Barcelona , Spain
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Lin F, Zheng R, Chen J, Su W, Dong B, Lin C, Huang B, Lu B. Microfibrillated cellulose enhancement to mechanical and conductive properties of biocompatible hydrogels. Carbohydr Polym 2019; 205:244-254. [DOI: 10.1016/j.carbpol.2018.10.037] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 10/12/2018] [Accepted: 10/12/2018] [Indexed: 02/08/2023]
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Han X, Lv L, Yu D, Wu X, Li C. Conductive Core-Shell Aramid Nanofibrils: Compromising Conductivity with Mechanical Robustness for Organic Wearable Sensing. ACS APPLIED MATERIALS & INTERFACES 2019; 11:3466-3473. [PMID: 30592599 DOI: 10.1021/acsami.8b18472] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
One-dimensional organic nanomaterials with a combination of electric conductivity, flexibility, and mechanical robustness are highly in demand in a variety of flexible electronic devices. Herein, conducting polymers were combined with robust Kevlar nanofibrils (aramid nanofibrils, abbreviated as ANFs) via in situ polymerization. Owing to the strong interactions between ANFs and conjugated polymers, the resultant core-shell ANFs showed high electric conductivity in combination with flexibility, robustness, physical stability, and endurance to bending and solvents, in sharp contrast to many inorganic conductive nanomaterials. Due to their responsivity of conductivity to different stimuli (e.g., humidity and strain), their membranes were capable not only of sensing human motions and speech words, but also of showing high sensitivity to variation of environmental humidity. In such a way, these core-shell ANFs may pave the way for combining both conductivity and mechanical properties applicable for diverse wearable devices.
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Affiliation(s)
- Xiangsheng Han
- CAS Key Lab of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology , Chinese Academy of Sciences , Songling Road 189 , Qingdao 266101 , P. R. China
- University of Chinese Academy of Sciences , 19A Yuquan Road , Beijing 100049 , P. R. China
| | - Lili Lv
- CAS Key Lab of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology , Chinese Academy of Sciences , Songling Road 189 , Qingdao 266101 , P. R. China
- University of Chinese Academy of Sciences , 19A Yuquan Road , Beijing 100049 , P. R. China
| | - Daoyong Yu
- Center for Bioengineering and Biotechnology , China University of Petroleum (East China) , Qingdao 266580 , P. R. China
| | - Xiaochen Wu
- CAS Key Lab of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology , Chinese Academy of Sciences , Songling Road 189 , Qingdao 266101 , P. R. China
| | - Chaoxu Li
- CAS Key Lab of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology , Chinese Academy of Sciences , Songling Road 189 , Qingdao 266101 , P. R. China
- University of Chinese Academy of Sciences , 19A Yuquan Road , Beijing 100049 , P. R. China
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Khan A, Alamry KA, Jain RK. Polypyrrole nanoparticles-based soft actuator for artificial muscle applications. RSC Adv 2019; 9:39721-39734. [PMID: 35541412 PMCID: PMC9076173 DOI: 10.1039/c9ra06900c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Accepted: 11/20/2019] [Indexed: 01/18/2023] Open
Abstract
Currently, a straightforward fabrication technique for the development of soft actuators to explore their potential in robotic applications using environmentally compatible raw materials represents an important challenge.
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Affiliation(s)
- Ajahar Khan
- Faculty of Science
- Department of Chemistry
- King Abdulaziz University
- Jeddah 21589
- Saudi Arabia
| | - Khalid A. Alamry
- Faculty of Science
- Department of Chemistry
- King Abdulaziz University
- Jeddah 21589
- Saudi Arabia
| | - Ravi Kant Jain
- Microrobotics Laboratory/Information Technology Group
- CSIR-Central Mechanical Engineering Research Institute (CMERI)
- Durgapur 713209
- India
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Enculescu M, Evanghelidis A, Enculescu I. White-Light Emission of Dye-Doped Polymer Submicronic Fibers Produced by Electrospinning. Polymers (Basel) 2018; 10:E737. [PMID: 30960662 PMCID: PMC6404093 DOI: 10.3390/polym10070737] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 06/29/2018] [Accepted: 07/02/2018] [Indexed: 01/12/2023] Open
Abstract
Lighting and display technologies are evolving at tremendous rates nowadays; new device architectures based on new, microscopic building blocks are being developed. Besides high light-emission efficiencies, qualities including low cost, low environmental impact, flexibility, or lightweightness are sought for developing new types of devices. Electrospun polymer fibers represent an interesting type of such microscopic structures that can be employed in developing new functionalities. White-light-emitting fiber mats were prepared by the electrospinning of different dye-doped polymer solutions. Two approaches were used in order to obtain white-light emissions: the overlapping of single-dye-doped electrospun fiber mats, and the electrospinning of mixtures of different ratios of single-dye-doped polymer solutions. Scanning electron microscopy (SEM) was used to investigate the morphologies of the electrospun fibers with diameters ranging between 300 nm and 1 µm. Optical absorption and photoluminescence (PL) were evaluated for single-dye-doped submicronic fiber mats, for overlapping mats, and for fiber mats obtained from different compositions of mixtures. Depending on the ratios of the mixtures of different dyes, the luminance was balanced between blue and red emissions. Commission Internationale de L'Eclairage (CIE) measurements depict this fine-tuning of the colors' intensities, and the right composition for white-light emission of the submicronic fiber mats was found.
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Affiliation(s)
- Monica Enculescu
- Group of Functional Nanostructures, National Institute of Materials Physics, Atomistilor 405A, P.O. Box MG-7, 077125 Magurele-Bucharest, Romania.
| | - Alexandru Evanghelidis
- Group of Functional Nanostructures, National Institute of Materials Physics, Atomistilor 405A, P.O. Box MG-7, 077125 Magurele-Bucharest, Romania.
| | - Ionut Enculescu
- Group of Functional Nanostructures, National Institute of Materials Physics, Atomistilor 405A, P.O. Box MG-7, 077125 Magurele-Bucharest, Romania.
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