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Chen S, Zhu P, Mao L, Wu W, Lin H, Xu D, Lu X, Shi J. Piezocatalytic Medicine: An Emerging Frontier using Piezoelectric Materials for Biomedical Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2208256. [PMID: 36634150 DOI: 10.1002/adma.202208256] [Citation(s) in RCA: 36] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 01/03/2023] [Indexed: 06/17/2023]
Abstract
Emerging piezocatalysts have demonstrated their remarkable application potential in diverse medical fields. In addition to their ultrahigh catalytic activities, their inherent and unique charge-carrier-releasing properties can be used to initiate various redox catalytic reactions, displaying bright prospects for future medical applications. Triggered by mechanical energy, piezocatalytic materials can release electrons/holes, catalyze redox reactions of substrates, or intervene in biological processes to promote the production of effector molecules for medical purposes, such as decontamination, sterilization, and therapy. Such a medical application of piezocatalysis is termed as piezocatalytic medicine (PCM) herein. To pioneer novel medical technologies, especially therapeutic modalities, this review provides an overview of the state-of-the-art research progress in piezocatalytic medicine. First, the principle of piezocatalysis and the preparation methodologies of piezoelectric materials are introduced. Then, a comprehensive summary of the medical applications of piezocatalytic materials in tumor treatment, antisepsis, organic degradation, tissue repair and regeneration, and biosensing is provided. Finally, the main challenges and future perspectives in piezocatalytic medicine are discussed and proposed, expecting to fuel the development of this emerging scientific discipline.
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Affiliation(s)
- Si Chen
- Shanghai Tenth People's Hospital, Clinical Center For Brain And Spinal Cord Research, Shanghai Frontiers Science Center of Nanocatalytic Medicine, The Institute for Biomedical Engineering and Nano Science, School of Medicine, Tongji University, Shanghai, 200092, P. R. China
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences Research Unit of Nanocatalytic Medicine in Specific Therapy for Serious Disease, Chinese Academy of Medical Sciences (2021RU012), Shanghai, 200050, P. R. China
| | - Piao Zhu
- Shanghai Tenth People's Hospital, Clinical Center For Brain And Spinal Cord Research, Shanghai Frontiers Science Center of Nanocatalytic Medicine, The Institute for Biomedical Engineering and Nano Science, School of Medicine, Tongji University, Shanghai, 200092, P. R. China
| | - Lijie Mao
- Shanghai Tenth People's Hospital, Clinical Center For Brain And Spinal Cord Research, Shanghai Frontiers Science Center of Nanocatalytic Medicine, The Institute for Biomedical Engineering and Nano Science, School of Medicine, Tongji University, Shanghai, 200092, P. R. China
| | - Wencheng Wu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences Research Unit of Nanocatalytic Medicine in Specific Therapy for Serious Disease, Chinese Academy of Medical Sciences (2021RU012), Shanghai, 200050, P. R. China
| | - Han Lin
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences Research Unit of Nanocatalytic Medicine in Specific Therapy for Serious Disease, Chinese Academy of Medical Sciences (2021RU012), Shanghai, 200050, P. R. China
| | - Deliang Xu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences Research Unit of Nanocatalytic Medicine in Specific Therapy for Serious Disease, Chinese Academy of Medical Sciences (2021RU012), Shanghai, 200050, P. R. China
| | - Xiangyu Lu
- Shanghai Tenth People's Hospital, Clinical Center For Brain And Spinal Cord Research, Shanghai Frontiers Science Center of Nanocatalytic Medicine, The Institute for Biomedical Engineering and Nano Science, School of Medicine, Tongji University, Shanghai, 200092, P. R. China
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences Research Unit of Nanocatalytic Medicine in Specific Therapy for Serious Disease, Chinese Academy of Medical Sciences (2021RU012), Shanghai, 200050, P. R. China
| | - Jianlin Shi
- Shanghai Tenth People's Hospital, Clinical Center For Brain And Spinal Cord Research, Shanghai Frontiers Science Center of Nanocatalytic Medicine, The Institute for Biomedical Engineering and Nano Science, School of Medicine, Tongji University, Shanghai, 200092, P. R. China
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences Research Unit of Nanocatalytic Medicine in Specific Therapy for Serious Disease, Chinese Academy of Medical Sciences (2021RU012), Shanghai, 200050, P. R. China
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Shen Z, Liu F, Huang S, Wang H, Yang C, Hang T, Tao J, Xia W, Xie X. Progress of flexible strain sensors for physiological signal monitoring. Biosens Bioelectron 2022; 211:114298. [DOI: 10.1016/j.bios.2022.114298] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 04/15/2022] [Accepted: 04/19/2022] [Indexed: 11/27/2022]
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A BLE-Connected Piezoresistive and Inertial Chest Band for Remote Monitoring of the Respiratory Activity by an Android Application: Hardware Design and Software Optimization. FUTURE INTERNET 2022. [DOI: 10.3390/fi14060183] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Breathing is essential for human life. Issues related to respiration can be an indicator of problems related to the cardiorespiratory system; thus, accurate breathing monitoring is fundamental for establishing the patient’s condition. This paper presents a ready-to-use and discreet chest band for monitoring the respiratory parameters based on the piezoresistive transduction mechanism. In detail, it relies on a strain sensor realized with a pressure-sensitive fabric (EeonTex LTT-SLPA-20K) for monitoring the chest movements induced by respiration. In addition, the band includes an Inertial Measurement Unit (IMU), which is used to remove the motion artefacts from the acquired signal, thereby improving the measurement reliability. Moreover, the band comprises a low-power conditioning and acquisition section that processes the signal from sensors, providing a reliable measurement of the respiration rate (RR), in addition to other breathing parameters, such as inhalation (TI) and exhalation (TE) times, inhalation-to-exhalation ratio (IER), and flow rate (V). The device wirelessly transmits the extracted parameters to a host device, where a custom mobile application displays them. Different test campaigns were carried out to evaluate the performance of the designed chest band in measuring the RR, by comparing the measurements provided by the chest band with those obtained by breath count. In detail, six users, of different genders, ages, and physical constitutions, were involved in the tests. The obtained results demonstrated the effectiveness of the proposed approach in detecting the RR. The achieved performance was in line with that of other RR monitoring systems based on piezoresistive textiles, but which use more powerful acquisition systems or have low wearability. In particular, the inertia-assisted piezoresistive chest band obtained a Pearson correlation coefficient with respect to the measurements based on breath count of 0.96 when the user was seated. Finally, Bland–Altman analysis demonstrated that the developed system obtained 0.68 Breaths Per Minute (BrPM) mean difference (MD), and Limits of Agreement (LoAs) of +3.20 and −1.75 BrPM when the user was seated.
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Babu VJ, Anusha M, Sireesha M, Sundarrajan S, Abdul Haroon Rashid SSA, Kumar AS, Ramakrishna S. Intelligent Nanomaterials for Wearable and Stretchable Strain Sensor Applications: The Science behind Diverse Mechanisms, Fabrication Methods, and Real-Time Healthcare. Polymers (Basel) 2022; 14:polym14112219. [PMID: 35683893 PMCID: PMC9182624 DOI: 10.3390/polym14112219] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 05/24/2022] [Accepted: 05/27/2022] [Indexed: 11/30/2022] Open
Abstract
It has become a scientific obligation to unveil the underlying mechanisms and the fabrication methods behind wearable/stretchable strain sensors based on intelligent nanomaterials in order to explore their possible potential in the field of biomedical and healthcare applications. This report is based on an extensive literature survey of fabrication of stretchable strain sensors (SSS) based on nanomaterials in the fields of healthcare, sports, and entertainment. Although the evolution of wearable strain sensors (WSS) is rapidly progressing, it is still at a prototype phase and various challenges need to be addressed in the future in special regard to their fabrication protocols. The biocalamity of COVID-19 has brought a drastic change in humans’ lifestyles and has negatively affected nations in all capacities. Social distancing has become a mandatory rule to practice in common places where humans interact with each other as a basic need. As social distancing cannot be ruled out as a measure to stop the spread of COVID-19 virus, wearable sensors could play a significant role in technologically impacting people’s consciousness. This review article meticulously describes the role of wearable and strain sensors in achieving such objectives.
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Affiliation(s)
- Veluru Jagadeesh Babu
- NUS Centre for Nanotechnology and Sustainability, Department of Mechanical Engineering, National University of Singapore, Singapore 117581, Singapore; (M.S.); (S.S.A.A.H.R.); (S.R.)
- Correspondence: (V.J.B.); (S.S.)
| | - Merum Anusha
- Department of Pharmacology, S V Medical College, Dr NTR University of Health Sciences, Vijayawada 517501, India;
| | - Merum Sireesha
- NUS Centre for Nanotechnology and Sustainability, Department of Mechanical Engineering, National University of Singapore, Singapore 117581, Singapore; (M.S.); (S.S.A.A.H.R.); (S.R.)
| | - Subramanian Sundarrajan
- NUS Centre for Nanotechnology and Sustainability, Department of Mechanical Engineering, National University of Singapore, Singapore 117581, Singapore; (M.S.); (S.S.A.A.H.R.); (S.R.)
- Correspondence: (V.J.B.); (S.S.)
| | - Syed Sulthan Alaudeen Abdul Haroon Rashid
- NUS Centre for Nanotechnology and Sustainability, Department of Mechanical Engineering, National University of Singapore, Singapore 117581, Singapore; (M.S.); (S.S.A.A.H.R.); (S.R.)
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, Melbourne, VIC 3001, Australia
| | - A. Senthil Kumar
- Advanced Manufacturing Laboratory, Department of Mechanical Engineering, National University of Singapore, Singapore 117581, Singapore;
| | - Seeram Ramakrishna
- NUS Centre for Nanotechnology and Sustainability, Department of Mechanical Engineering, National University of Singapore, Singapore 117581, Singapore; (M.S.); (S.S.A.A.H.R.); (S.R.)
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Li J, Long Y, Yang F, Wang X. Respiration-driven triboelectric nanogenerators for biomedical applications. ECOMAT 2020; 2:e12045. [PMID: 34172981 DOI: 10.1002/eom2.12065] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 06/30/2020] [Accepted: 07/18/2020] [Indexed: 05/24/2023]
Abstract
As a fundamental and ubiquitous body motion, respiration offers a large amount of biomechanical energy with an average power up to the Watt level through movements of multiple muscles. The energy from respiration featured with excellent stability, accessibility and continuality inspires the design and engineering of biomechanical energy harvesting devices, such as triboelectric nanogenerators (TENGs), to realize human-powered electronics. This review article is thus dedicated to the emerging respiration-driven TENG technology, covering fundamentals, applications, and perspectives. Specifically, the human breathing mechanics are first introduced serving as the base for the developments of TENG devices with different configurations. Biomedical applications including electrical energy generation, healthcare monitoring, air filtration, gas sensing, electrostimulation, and powering implantable medical devices are then analyzed focusing on the design-application relationships. At last, current developments are summarized and critical challenges for driving these intriguing developments toward practical applications are discussed together with promising solutions.
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Affiliation(s)
- Jun Li
- Department of Materials Science and Engineering University of Wisconsin-Madison Madison Wisconsin USA
| | - Yin Long
- Department of Materials Science and Engineering University of Wisconsin-Madison Madison Wisconsin USA
| | - Fan Yang
- Department of Materials Science and Engineering University of Wisconsin-Madison Madison Wisconsin USA
| | - Xudong Wang
- Department of Materials Science and Engineering University of Wisconsin-Madison Madison Wisconsin USA
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Li J, Long Y, Yang F, Wang X. Respiration-driven triboelectric nanogenerators for biomedical applications. ECOMAT 2020; 2:e12045. [PMID: 34172981 PMCID: PMC7436384 DOI: 10.1002/eom2.12045] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 06/30/2020] [Accepted: 07/18/2020] [Indexed: 05/05/2023]
Abstract
As a fundamental and ubiquitous body motion, respiration offers a large amount of biomechanical energy with an average power up to the Watt level through movements of multiple muscles. The energy from respiration featured with excellent stability, accessibility and continuality inspires the design and engineering of biomechanical energy harvesting devices, such as triboelectric nanogenerators (TENGs), to realize human-powered electronics. This review article is thus dedicated to the emerging respiration-driven TENG technology, covering fundamentals, applications, and perspectives. Specifically, the human breathing mechanics are first introduced serving as the base for the developments of TENG devices with different configurations. Biomedical applications including electrical energy generation, healthcare monitoring, air filtration, gas sensing, electrostimulation, and powering implantable medical devices are then analyzed focusing on the design-application relationships. At last, current developments are summarized and critical challenges for driving these intriguing developments toward practical applications are discussed together with promising solutions.
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Affiliation(s)
- Jun Li
- Department of Materials Science and EngineeringUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Yin Long
- Department of Materials Science and EngineeringUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Fan Yang
- Department of Materials Science and EngineeringUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Xudong Wang
- Department of Materials Science and EngineeringUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
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