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Zhou X, Zang H, Guan Y, Li S, Liu M. Superhydrophobic Flexible Strain Sensors Constructed Using Nanomaterials: Their Fabrications and Sustainable Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2639. [PMID: 37836280 PMCID: PMC10574333 DOI: 10.3390/nano13192639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/16/2023] [Accepted: 09/18/2023] [Indexed: 10/15/2023]
Abstract
Superhydrophobic flexible strain sensors, which combine superhydrophobic coatings with highly sensitive flexible sensors, significantly enhance sensor performance and expand applications in human motion monitoring. Superhydrophobic coatings provide water repellency, surface self-cleaning, anti-corrosion, and anti-fouling properties for the sensors. Additionally, they enhance equipment durability. At present, many studies on superhydrophobic flexible sensors are still in the early research stage; the wear resistance and stability of sensors are far from reaching the level of industrial application. This paper discusses fundamental theories such as the wetting mechanism, tunneling effect, and percolation theory of superhydrophobic flexible sensors. Additionally, it reviews commonly used construction materials and principles of these sensors. This paper discusses the common preparation methods for superhydrophobic flexible sensors and summarizes the advantages and disadvantages of each method to identify the most suitable approach. Additionally, this paper summarizes the wide-ranging applications of the superhydrophobic flexible sensor in medical health, human motion monitoring, anti-electromagnetic interference, and de-icing/anti-icing, offering insights into these fields.
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Affiliation(s)
- Xiaodong Zhou
- School of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China; (X.Z.); (H.Z.)
| | - Hongxin Zang
- School of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China; (X.Z.); (H.Z.)
| | - Yong Guan
- Shandong Inov Polyurethane Co., Ltd., Zibo 255000, China
| | - Shuangjian Li
- National Engineering Laboratory of Modern Materials Surface Engineering Technology, Institute of New Materials, Guangdong Academy of Sciences, Guangzhou 510651, China
| | - Mingming Liu
- School of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China; (X.Z.); (H.Z.)
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Giaretta J, Duan H, Oveissi F, Farajikhah S, Dehghani F, Naficy S. Flexible Sensors for Hydrogen Peroxide Detection: A Critical Review. ACS APPLIED MATERIALS & INTERFACES 2022; 14:20491-20505. [PMID: 35486920 PMCID: PMC9104121 DOI: 10.1021/acsami.1c24727] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Hydrogen peroxide (H2O2) is a common chemical used in many industries and can be found in various biological environments, water, and air. Yet, H2O2 in a certain range of concentrations can be hazardous and toxic. Therefore, it is crucial to determine its concentration at different conditions for safety and diagnostic purposes. This review provides an insight about different types of sensors that have been developed for detection of H2O2. Their flexibility, stability, cost, detection limit, manufacturing, and challenges in their applications have been compared. More specifically the advantages and disadvantages of various flexible substrates that have been utilized for the design of H2O2 sensors were discussed. These substrates include carbonaceous substrates (e.g., reduced graphene oxide films, carbon cloth, carbon, and graphene fibers), polymeric substrates, paper, thin glass, and silicon wafers. Many of these substrates are often decorated with nanostructures composed of Pt, Au, Ag, MnO2, Fe3O4, or a conductive polymer to enhance the performance of sensors. The impact of these nanostructures on the sensing performance of resulting flexible H2O2 sensors has been reviewed in detail. In summary, the detection limits of these sensors are within the range of 100 nM-1 mM, which makes them potentially, but not necessarily, suitable for applications in health, food, and environmental monitoring. However, the required sample volume, cost, ease of manufacturing, and stability are often neglected compared to other detection parameters, which hinders sensors' real-world application. Future perspectives on how to address some of the substrate limitations and examples of application-driven sensors are also discussed.
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Affiliation(s)
- Jacopo
E. Giaretta
- School
of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Haowei Duan
- School
of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Farshad Oveissi
- School
of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Syamak Farajikhah
- School
of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
- The
University of Sydney, Sydney Nano Institute, Camperdown, 2006 New South Wales, Australia
- Institute
of Photonics and Optical Sciences (IPOS), School of Physics, The University of Sydney, Camperdown, 2006 New South Wales, Australia
| | - Fariba Dehghani
- School
of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
- The
University of Sydney, Sydney Nano Institute, Camperdown, 2006 New South Wales, Australia
- F.D. ()
| | - Sina Naficy
- School
of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
- The
University of Sydney, Sydney Nano Institute, Camperdown, 2006 New South Wales, Australia
- S.N. ()
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Barcelos DA, Leitao DC, Pereira LCJ, Gonçalves MC. What Is Driving the Growth of Inorganic Glass in Smart Materials and Opto-Electronic Devices? MATERIALS (BASEL, SWITZERLAND) 2021; 14:2926. [PMID: 34072283 PMCID: PMC8198596 DOI: 10.3390/ma14112926] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/19/2021] [Accepted: 05/21/2021] [Indexed: 02/06/2023]
Abstract
Inorganic glass is a transparent functional material and one of the few materials that keeps leading innovation. In the last decades, inorganic glass was integrated into opto-electronic devices such as optical fibers, semiconductors, solar cells, transparent photovoltaic devices, or photonic crystals and in smart materials applications such as environmental, pharmaceutical, and medical sensors, reinforcing its influence as an essential material and providing potential growth opportunities for the market. Moreover, inorganic glass is the only material that is 100% recyclable and can incorporate other industrial offscourings and/or residues to be used as raw materials. Over time, inorganic glass experienced an extensive range of fabrication techniques, from traditional melting-quenching (with an immense diversity of protocols) to chemical vapor deposition (CVD), physical vapor deposition (PVD), and wet chemistry routes as sol-gel and solvothermal processes. Additive manufacturing (AM) was recently added to the list. Bulks (3D), thin/thick films (2D), flexible glass (2D), powders (2D), fibers (1D), and nanoparticles (NPs) (0D) are examples of possible inorganic glass architectures able to integrate smart materials and opto-electronic devices, leading to added-value products in a wide range of markets. In this review, selected examples of inorganic glasses in areas such as: (i) magnetic glass materials, (ii) solar cells and transparent photovoltaic devices, (iii) photonic crystal, and (iv) smart materials are presented and discussed.
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Affiliation(s)
- Daniel Alves Barcelos
- Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;
- CQE, Centro de Química Estrutural, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Diana C. Leitao
- INESC Microsistemas e Nanotecnologias, R. Alves Redol 9, 1000-029 Lisboa, Portugal;
- Departamento de Física, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Laura C. J. Pereira
- Departamento de Engenharia e Ciências Nucleares, Instituto Superior Técnico, Universidade de Lisboa, 2685-066 Bobadela LRS, Portugal;
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, 2685-066 Bobadela LRS, Portugal
| | - Maria Clara Gonçalves
- Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;
- CQE, Centro de Química Estrutural, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
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Luo X, Shi W, Liu Y, Sha P, Chu Y, Cui Y. A Smart Tongue Depressor-Based Biosensor for Glucose. SENSORS 2019; 19:s19183864. [PMID: 31500222 PMCID: PMC6767240 DOI: 10.3390/s19183864] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 07/25/2019] [Accepted: 08/12/2019] [Indexed: 01/21/2023]
Abstract
The development of new bioelectronic platforms for direct interactions with oral fluid could open up significant opportunities for healthcare monitoring. A tongue depressor is a widely used medical tool that is inserted into the mouth, where it comes into close contact with saliva. Glucose is a typical salivary biomarker. Herein, we report—for the first time—a tongue depressor-based biosensor for the detection of glucose in both phosphate buffer and real human saliva. Carbon nanotubes (CNTs) are attractive electronic materials, with excellent electrochemical properties. The sensor is constructed by printing CNTs and silver/silver chloride (Ag/AgCl) to form three electrodes in an electrochemical cell: Working, reference, and counter electrodes. The enzyme glucose oxidase (GOD) is immobilized on the working electrode. The glucose detection performance of the sensor is excellent, with a detection range of 7.3 μM to 6 mM. The glucose detection time is about 3 min. The discretion between healthy people’s and simulated diabetic patients’ salivary samples is clear and easy to tell. We anticipate that the biosensor could open up new opportunities for the monitoring of salivary biomarkers and advance healthcare applications.
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Affiliation(s)
- Xiaojin Luo
- College of Engineering, Peking University, Beijing 100871, China
| | - Weihua Shi
- College of Engineering, Peking University, Beijing 100871, China
| | - Yiqun Liu
- College of Engineering, Peking University, Beijing 100871, China
| | - Pengju Sha
- College of Engineering, Peking University, Beijing 100871, China
| | - Yanan Chu
- College of Engineering, Peking University, Beijing 100871, China
| | - Yue Cui
- College of Engineering, Peking University, Beijing 100871, China.
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Luo X, Yao X, Zhang Y, Zheng X, Xie G, Cui Y. Amperometric biosensing system directly powered by button cell battery for lactate. PLoS One 2019; 14:e0212943. [PMID: 30840667 PMCID: PMC6402647 DOI: 10.1371/journal.pone.0212943] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 02/12/2019] [Indexed: 01/24/2023] Open
Abstract
The development of new signal systems for electrical biosensors could provide exciting new opportunities for biomedical analysis, pollutant monitoring, and explosive detection. The signal systems for commercial portable sensors involve the integration of a battery and a circuit conditioning system to power an amperometric biosensor. However, this increases the size and complexity of the entire system. In this study, we develop a simple amperometric biosensor that is directly powered by a button cell battery for the detection of lactate. A two-electrode sensing transducer was printed on cardboard or integrated on a ring. It was directly powered by a button cell battery, and connected to a multimeter for current measurement. This sensor showed a sensitive detection range of 0.04762–9.21429 mM and short measuring time of 2 min. These results show that this system can achieve an excellent sensing performance, and the construction of this new sensing system directly powered by a button cell battery offers a new method for further developing a wide range of miniaturized, flexible, portable, or wearable sensing systems, and these could be used in detecting various analytes that are important in medical diagnosis and environmental monitoring.
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Affiliation(s)
- Xiaojin Luo
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, China
| | - Xuesong Yao
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, China
| | - Yalei Zhang
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, China
| | - Xingwen Zheng
- The State Key Laboratory of Turbulence and Complex Systems, College of Engineering, Peking University, Beijing, China
| | - Guangming Xie
- The State Key Laboratory of Turbulence and Complex Systems, College of Engineering, Peking University, Beijing, China
- Insititute of Ocean Research, Peking University, Beijing, China
| | - Yue Cui
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, China
- * E-mail:
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