1
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Houghton R, Martinetti A, Majumdar A. A Framework for Selecting and Assessing Wearable Sensors Deployed in Safety Critical Scenarios. SENSORS (BASEL, SWITZERLAND) 2024; 24:4589. [PMID: 39065986 PMCID: PMC11280513 DOI: 10.3390/s24144589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 07/05/2024] [Accepted: 07/08/2024] [Indexed: 07/28/2024]
Abstract
Wearable sensors for psychophysiological monitoring are becoming increasingly mainstream in safety critical contexts. They offer a novel solution to capturing sub-optimal states and can help identify when workers in safety critical environments are suffering from states such as fatigue and stress. However, sensors can differ widely in their application, design, usability, and measurement and there is a lack of guidance on what should be prioritized or considered when selecting a sensor. The paper aims to highlight which concepts are important when creating or selecting a device regarding the optimization of both measurement and usability. Additionally, the paper discusses how design choices can enhance both the usability and measurement capabilities of wearable sensors. The hopes are that this paper will provide researchers and practitioners in human factors and related fields with a framework to help guide them in building and selecting wearable sensors that are well suited for deployment in safety critical contexts.
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Affiliation(s)
- Robert Houghton
- Centre for Transport Studies, Imperial College London, London SW7 2AZ, UK
| | - Alberto Martinetti
- Design, Production and Management Department, University of Twente, 7522 NB Enschede, The Netherlands
| | - Arnab Majumdar
- Centre for Transport Studies, Imperial College London, London SW7 2AZ, UK
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2
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Zhang X, Lei X, Jia X, Sun T, Luo J, Xu S, Li L, Yan D, Shao Y, Yong Z, Zhang Y, Wu X, Gao E, Jian M, Zhang J. Carbon nanotube fibers with dynamic strength up to 14 GPa. Science 2024; 384:1318-1323. [PMID: 38900888 DOI: 10.1126/science.adj1082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 05/10/2024] [Indexed: 06/22/2024]
Abstract
High dynamic strength is of fundamental importance for fibrous materials that are used in high-strain rate environments. Carbon nanotube fibers are one of the most promising candidates. Using a strategy to optimize hierarchical structures, we fabricated carbon nanotube fibers with a dynamic strength of 14 gigapascals (GPa) and excellent energy absorption. The dynamic performance of the fibers is attributed to the simultaneous breakage of individual nanotubes and delocalization of impact energy that occurs during the high-strain rate loading process; these behaviors are due to improvements in interfacial interactions, nanotube alignment, and densification therein. This work presents an effective strategy to utilize the strength of individual carbon nanotubes at the macroscale and provides fresh mechanism insights.
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Affiliation(s)
- Xinshi Zhang
- Beijing National Laboratory for Molecular Sciences, School of Materials Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Beijing Graphene Institute (BGI), Beijing 100095, China
| | - Xudong Lei
- Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiangzheng Jia
- Department of Engineering Mechanics, School of Civil Engineering, Wuhan University, Wuhan 430072, China
| | - Tongzhao Sun
- Beijing Graphene Institute (BGI), Beijing 100095, China
- State Key Laboratory of High-efficiency Coal Utilization and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, China
| | - Jiajun Luo
- Beijing National Laboratory for Molecular Sciences, School of Materials Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Beijing Graphene Institute (BGI), Beijing 100095, China
| | - Shichen Xu
- Beijing National Laboratory for Molecular Sciences, School of Materials Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Beijing Graphene Institute (BGI), Beijing 100095, China
| | - Lijun Li
- Beijing Graphene Institute (BGI), Beijing 100095, China
| | - Dan Yan
- Beijing National Laboratory for Molecular Sciences, School of Materials Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Beijing Graphene Institute (BGI), Beijing 100095, China
| | - Yuanlong Shao
- Beijing National Laboratory for Molecular Sciences, School of Materials Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Beijing Graphene Institute (BGI), Beijing 100095, China
| | - Zhenzhong Yong
- Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Advanced Materials Division, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
- Division of Nanomaterials and Jiangxi Key Lab of Carbonene Materials, Jiangxi Insitute of Nanotechnology, Nanchang 330200, China
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China
| | - Yongyi Zhang
- Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Advanced Materials Division, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
- Division of Nanomaterials and Jiangxi Key Lab of Carbonene Materials, Jiangxi Insitute of Nanotechnology, Nanchang 330200, China
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China
| | - Xianqian Wu
- Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Enlai Gao
- Department of Engineering Mechanics, School of Civil Engineering, Wuhan University, Wuhan 430072, China
| | - Muqiang Jian
- Beijing Graphene Institute (BGI), Beijing 100095, China
| | - Jin Zhang
- Beijing National Laboratory for Molecular Sciences, School of Materials Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Beijing Graphene Institute (BGI), Beijing 100095, China
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3
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Rauf S, Bilal RM, Li J, Vaseem M, Ahmad AN, Shamim A. Fully Screen-Printed and Gentle-to-Skin Wet ECG Electrodes with Compact Wireless Readout for Cardiac Diagnosis and Remote Monitoring. ACS NANO 2024; 18:10074-10087. [PMID: 38526458 PMCID: PMC11022287 DOI: 10.1021/acsnano.3c12477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 03/21/2024] [Accepted: 03/21/2024] [Indexed: 03/26/2024]
Abstract
Recent advances in electrocardiogram (ECG) diagnosis and monitoring have triggered a demand for smart and wearable ECG electrodes and readout systems. Here, we report the development of a fully screen-printed gentle-to-skin wet ECG electrode integrated with a scaled-down printed circuit board (PCB) packaged inside a 3D-printed antenna-on-package (AoP). All three components of the wet ECG electrode (i.e., silver nanowire-based conductive part, electrode gel, and adhesive gel) are screen-printed on a flexible plastic substrate and only require 265 times less metal for the conductive part and 176 times less ECG electrode gel than the standard commercial wet ECG electrodes. In addition, our electrically small AoP achieved a maximum read range of 142 m and offers a 4 times larger wireless communication range than the typical commercial chip antenna. The adult volunteers' study results indicated that our system recorded ECG data that correlated well with data from a commercial ECG system and electrodes. Furthermore, in the context of a 12-lead ECG diagnostic system, the fully printed wet ECG electrodes demonstrated a performance similar to that of commercially available wet ECG electrodes while being gentle on the skin. This was confirmed through a blind review method by two cardiology consultants and one family medicine consultant, validating the consistency of the diagnostic information obtained from both electrodes. In conclusion, these findings highlight the potential of fully screen-printed wet ECG electrodes for both monitoring and diagnostic purposes. These electrodes could serve as potential candidates for clinical practice, and the screen-printing method has the capability to facilitate industrial mass production.
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Affiliation(s)
- Sakandar Rauf
- Electrical
and Computer Engineering, CEMSE, King Abdullah
University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Rana M. Bilal
- Electrical
and Computer Engineering, CEMSE, King Abdullah
University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Jiajun Li
- Electrical
and Computer Engineering, CEMSE, King Abdullah
University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Mohammad Vaseem
- Electrical
and Computer Engineering, CEMSE, King Abdullah
University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Adeel N. Ahmad
- School
of Medicine, University of Nottingham, Nottingham NG7 2UH, United Kingdom
| | - Atif Shamim
- Electrical
and Computer Engineering, CEMSE, King Abdullah
University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
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4
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Wang P, Ma X, Lin Z, Chen F, Chen Z, Hu H, Xu H, Zhang X, Shi Y, Huang Q, Lin Y, Zheng Z. Well-defined in-textile photolithography towards permeable textile electronics. Nat Commun 2024; 15:887. [PMID: 38291087 PMCID: PMC10828459 DOI: 10.1038/s41467-024-45287-y] [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: 09/18/2023] [Accepted: 01/16/2024] [Indexed: 02/01/2024] Open
Abstract
Textile-based wearable electronics have attracted intensive research interest due to their excellent flexibility and breathability inherent in the unique three-dimensional porous structures. However, one of the challenges lies in achieving highly conductive patterns with high precision and robustness without sacrificing the wearing comfort. Herein, we developed a universal and robust in-textile photolithography strategy for precise and uniform metal patterning on porous textile architectures. The as-fabricated metal patterns realized a high precision of sub-100 µm with desirable mechanical stability, washability, and permeability. Moreover, such controllable coating permeated inside the textile scaffold contributes to the significant performance enhancement of miniaturized devices and electronics integration through both sides of the textiles. As a proof-of-concept, a fully integrated in-textiles system for multiplexed sweat sensing was demonstrated. The proposed method opens up new possibilities for constructing multifunctional textile-based flexible electronics with reliable performance and wearing comfort.
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Affiliation(s)
- Pengwei Wang
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, China
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Xiaohao Ma
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, China
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Zhiqiang Lin
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Fan Chen
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Zijian Chen
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Hong Hu
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Hailong Xu
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Xinyi Zhang
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Yuqing Shi
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, China
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Qiyao Huang
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, China.
- Research Institute for Intelligent Wearable Systems, The Hong Kong Polytechnic University, Hong Kong SAR, China.
| | - Yuanjing Lin
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Zijian Zheng
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, China.
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China.
- Research Institute for Intelligent Wearable Systems, The Hong Kong Polytechnic University, Hong Kong SAR, China.
- Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hong Kong SAR, China.
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5
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Wu Y, Rytkin E, Bimrose M, Li S, Choi YS, Lee G, Wang Y, Tang L, Madrid M, Wickerson G, Chang JK, Gu J, Zhang Y, Liu J, Tawfick S, Huang Y, King WP, Efimov IR, Rogers JA. A Sewing Approach to the Fabrication of Eco/bioresorbable Electronics. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2305017. [PMID: 37528504 DOI: 10.1002/smll.202305017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/15/2023] [Indexed: 08/03/2023]
Abstract
Eco/bioresorbable electronics represent an emerging class of technology defined by an ability to dissolve or otherwise harmlessly disappear in environmental or biological surroundings after a period of stable operation. The resulting devices provide unique capabilities as temporary biomedical implants, environmental sensors, and related systems. Recent publications report schemes to overcome challenges in fabrication that follow from the low thermostability and/or high chemical reactivity of the eco/bioresorbable constituent materials. Here, this work reports the use of high-speed sewing machines, as the basis for a high-throughput manufacturing technique that addresses many requirements for these applications, without the need for high temperatures or reactive solvents. Results demonstrate that a range of eco/bioresorbable metal wires and polymer threads can be embroidered into complex, user-defined conductive patterns on eco/bioresorbable substrates. Functional electronic components, such as stretchable interconnects and antennas are possible, along with fully integrated systems. Examples of the latter include wirelessly powered light-emitting diodes, radiofrequency identification tags, and temporary cardiac pacemakers. These advances add to a growing range of options in high-throughput, automated fabrication of eco/bioresorbable electronics.
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Affiliation(s)
- Yunyun Wu
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, 60208, USA
| | - Eric Rytkin
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Miles Bimrose
- Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Shupeng Li
- Department of Mechanical Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Yeon Sik Choi
- Department of Materials Science and Engineering, Yonsei University, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Geumbee Lee
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, 60208, USA
| | - Yue Wang
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, 60208, USA
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Lichao Tang
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Micah Madrid
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Grace Wickerson
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, 60208, USA
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Jan-Kai Chang
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, 60208, USA
- Wearifi Inc, Evanston, IL, 60208, USA
| | - Jianyu Gu
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, 60208, USA
| | - Yamin Zhang
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, 60208, USA
| | - Jiaqi Liu
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, 60208, USA
| | - Sameh Tawfick
- Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Yonggang Huang
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, 60208, USA
- Department of Mechanical Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - William P King
- Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Igor R Efimov
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, 60208, USA
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
| | - John A Rogers
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, 60208, USA
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, 60208, USA
- Department of Mechanical Engineering, Northwestern University, Evanston, IL, 60208, USA
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA
- Department of Electrical and Computer Engineering, Northwestern University, Evanston, IL, 60208, USA
- Department of Chemistry, Northwestern University, Evanston, IL, 60208, USA
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
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6
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Liu Y, Tang Y, Guo X, Qu L, Liu Y, Zhang X, Huang T, Xu L, Liu H, Tian M. Template-Free and Stretchable Conductive Fiber with a Built-In Helical Structure for Strain-Insensitive Signal Transmission. ACS APPLIED MATERIALS & INTERFACES 2023; 15:46379-46387. [PMID: 37738229 DOI: 10.1021/acsami.3c10111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/24/2023]
Abstract
With the rapid development of intelligent electronic devices, conductive fibers have become very critical to signal transmission devices. However, metal-based rigid conductive wires, such as high-modulus copper and silver wires, are prone to signal failure owing to tensile breakage under large strain conditions. Therefore, strain-insensitive stretchable conductive fibers for signal transmission are critical for next-generation wearable devices. Herein, a stretchable conductive fiber with a built-in helical structure is constructed by a "speed discrepancy" fiber-coating strategy with mass scalable production (60 cm/min). Such a "speed discrepancy" strategy is the key mechanism to template-free fabricate a built-in helical structure of the stretchable conductive fiber. The resultant fiber exhibits high conductivity (873 S/cm), stable insensitive signal transmission with a high quality factor (47.4), and a low relative resistance change (∼6%) under large strain. The built-in helical structure inspired by loofah whiskers endows the fiber with excellent strain insensitivity, and it can withstand large strains. On the proof of concept, our fiber can be seamlessly knitted, woven, and braided into smart textiles as an ideal signal transmission device under large strains, which will undoubtedly promote the development of intelligent electronic textiles and next-generation wearable devices.
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Affiliation(s)
- Yuanyuan Liu
- Research Center for Intelligent and Wearable Technology, State Key Laboratory of Bio-Fibers and Eco-Textiles, Intelligent Wearable Engineering Research Center of Qingdao, Qingdao 266071, P. R. China
- College of Textiles and Clothing, Qingdao University, Qingdao 266071, P. R. China
| | - Yalin Tang
- Research Center for Intelligent and Wearable Technology, State Key Laboratory of Bio-Fibers and Eco-Textiles, Intelligent Wearable Engineering Research Center of Qingdao, Qingdao 266071, P. R. China
- College of Textiles and Clothing, Qingdao University, Qingdao 266071, P. R. China
| | - Xiaoqing Guo
- Research Center for Intelligent and Wearable Technology, State Key Laboratory of Bio-Fibers and Eco-Textiles, Intelligent Wearable Engineering Research Center of Qingdao, Qingdao 266071, P. R. China
- College of Textiles and Clothing, Qingdao University, Qingdao 266071, P. R. China
| | - Lijun Qu
- Research Center for Intelligent and Wearable Technology, State Key Laboratory of Bio-Fibers and Eco-Textiles, Intelligent Wearable Engineering Research Center of Qingdao, Qingdao 266071, P. R. China
- College of Textiles and Clothing, Qingdao University, Qingdao 266071, P. R. China
| | - Yucheng Liu
- Qingdao Etrip Smart Home Co., Ltd., Qingdao 266071, P. R. China
| | - Xuming Zhang
- Qingdao Hailiya Group Co., Ltd., Qingdao 266071, P. R. China
| | - Tao Huang
- Qingdao Hailiya Group Co., Ltd., Qingdao 266071, P. R. China
| | - Lianlong Xu
- Qingdao Hailiya Group Co., Ltd., Qingdao 266071, P. R. China
| | - Hong Liu
- Research Center for Intelligent and Wearable Technology, State Key Laboratory of Bio-Fibers and Eco-Textiles, Intelligent Wearable Engineering Research Center of Qingdao, Qingdao 266071, P. R. China
- College of Textiles and Clothing, Qingdao University, Qingdao 266071, P. R. China
| | - Mingwei Tian
- Research Center for Intelligent and Wearable Technology, State Key Laboratory of Bio-Fibers and Eco-Textiles, Intelligent Wearable Engineering Research Center of Qingdao, Qingdao 266071, P. R. China
- College of Textiles and Clothing, Qingdao University, Qingdao 266071, P. R. China
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7
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Tao Q, Liu S, Zhang J, Jiang J, Jin Z, Huang Y, Liu X, Lin S, Zeng X, Li X, Tao G, Chen H. Clinical applications of smart wearable sensors. iScience 2023; 26:107485. [PMID: 37636055 PMCID: PMC10448028 DOI: 10.1016/j.isci.2023.107485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023] Open
Abstract
Smart wearable sensors are electronic devices worn on the body that collect, process, and transmit various physiological data. Compared to traditional devices, their advantages in terms of portability and comfort have made them increasingly important in the medical field. This review takes a unique clinical physician's standpoint, diverging from conventional sensor-type-based classifications, and provides a comprehensive overview of the diverse clinical applications of wearable sensors in recent years. In this review, we categorize these applications according to different diseases, encompassing skin diseases and injuries, cardiovascular diseases, abnormal human motion, as well as endocrine and metabolic disorders. Additionally, we discuss the challenges and perspectives hindering the development of sensors for clinical use, emphasizing the critical need for interdisciplinary collaboration between medical and engineering professionals. Overall, this review would serve as an important reference for the future direction of sensor devices in clinical use.
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Affiliation(s)
- Qingxiao Tao
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Suwen Liu
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jingyu Zhang
- Department of Dermatology, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen 518052, China
- Shenzhen University Medical School, Shenzhen 518060, China
| | - Jian Jiang
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Zilin Jin
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yuqiong Huang
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xin Liu
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Shiying Lin
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xin Zeng
- Department of Dermatology, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen 518052, China
| | - Xuemei Li
- Department of Dermatology, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen 518052, China
| | - Guangming Tao
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Hongxiang Chen
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Department of Dermatology, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen 518052, China
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8
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Liu G, Lv Z, Batool S, Li MZ, Zhao P, Guo L, Wang Y, Zhou Y, Han ST. Biocompatible Material-Based Flexible Biosensors: From Materials Design to Wearable/Implantable Devices and Integrated Sensing Systems. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2207879. [PMID: 37009995 DOI: 10.1002/smll.202207879] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/28/2023] [Indexed: 06/19/2023]
Abstract
Human beings have a greater need to pursue life and manage personal or family health in the context of the rapid growth of artificial intelligence, big data, the Internet of Things, and 5G/6G technologies. The application of micro biosensing devices is crucial in connecting technology and personalized medicine. Here, the progress and current status from biocompatible inorganic materials to organic materials and composites are reviewed and the material-to-device processing is described. Next, the operating principles of pressure, chemical, optical, and temperature sensors are dissected and the application of these flexible biosensors in wearable/implantable devices is discussed. Different biosensing systems acting in vivo and in vitro, including signal communication and energy supply are then illustrated. The potential of in-sensor computing for applications in sensing systems is also discussed. Finally, some essential needs for commercial translation are highlighted and future opportunities for flexible biosensors are considered.
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Affiliation(s)
- Gang Liu
- Institute of Microscale Optoelectronics and College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Ziyu Lv
- Institute of Microscale Optoelectronics and College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Saima Batool
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
| | | | - Pengfei Zhao
- Institute of Microscale Optoelectronics and College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Liangchao Guo
- College of Mechanical Engineering, Yangzhou University, Yangzhou, 225127, P. R. China
| | - Yan Wang
- School of Microelectronics, Hefei University of Technology, Hefei, 230009, P. R. China
| | - Ye Zhou
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Su-Ting Han
- Institute of Microscale Optoelectronics and College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
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9
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Son SU, Jang S, Lim J, Seo SB, Kang T, Jung J, Oh SY, Yoon SW, Yong D, Lee J, Lim EK. Conductive Thread-Based Immunosensor for Pandemic Influenza A (H1N1) Virus Detection. ACS APPLIED MATERIALS & INTERFACES 2023; 15:7759-7766. [PMID: 36748606 DOI: 10.1021/acsami.2c19403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Infectious agents such as viruses pose significant threats to human health, being transmitted via direct contact as well as airborne transmission without direct contact, thus requiring rapid detection to prevent the spread of infectious diseases. In this study, we developed a conductive thread-based immunosensor (CT-IS), a biosensor to easily detect the presence of airborne viruses. CT-IS utilizes an antibody that specifically recognizes the HA protein of the pandemic influenza A (pH1N1) virus, which is incorporated into the conductive thread. The antigen-antibody interaction results in increased strain on the conductive thread in the presence of the pH1N1 virus, resulting in increased electrical resistance of the CT-IS. We evaluated the performance of this sensor using the HA protein and the pH1N1 virus, in addition to samples from patients infected with the pH1N1 virus. We observed a significant change in resistance in the pH1N1-infected patient samples (positive: n = 11, negative: n = 9), whereas negligible change was observed in the control samples (patients not infected with the pH1N1 virus; negative). Hence, the CT-IS is a lightweight fiber-type sensor that can be used as a wearable biosensor by combining it with textiles, to detect the pH1N1 virus in a person's vicinity.
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Affiliation(s)
- Seong Uk Son
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
- Department of Nanobiotechnology, KRIBB School of Biotechnology, University of Science and Technology (UST), Daejeon 34113, Republic of Korea
| | - Soojin Jang
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
- Department of Nanobiotechnology, KRIBB School of Biotechnology, University of Science and Technology (UST), Daejeon 34113, Republic of Korea
| | - Jaewoo Lim
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
| | - Seung Beom Seo
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Taejoon Kang
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Juyeon Jung
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Seo Yeong Oh
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
| | - Sun-Woo Yoon
- Department of Biological Sciences and Biotechnology, Andong National University, Andong 36729, Republic of Korea
| | - Dongeun Yong
- Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Jaejong Lee
- Department of Nano Manufacturing Technology, Korea Institute of Machinery and Materials (KIMM), Daejeon 34103, Republic of Korea
| | - Eun-Kyung Lim
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
- Department of Nanobiotechnology, KRIBB School of Biotechnology, University of Science and Technology (UST), Daejeon 34113, Republic of Korea
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
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10
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Li L, Sun T, Lu S, Chen Z, Xu S, Jian M, Zhang J. Graphene Interlocking Carbon Nanotubes for High-Strength and High-Conductivity Fibers. ACS APPLIED MATERIALS & INTERFACES 2023; 15:5701-5708. [PMID: 36661854 DOI: 10.1021/acsami.2c21518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Carbon nanotubes (CNTs) are promising building blocks for the fabrication of novel fibers with structural and functional properties. However, the mechanical and electrical performances of carbon nanotube fibers (CNTFs) are far lower than the intrinsic properties of individual CNTs. Exploring methods for the controllable assembly and continuous preparation of high-performance CNTFs is still challenging. Herein, a graphene/chlorosulfonic acid-assisted wet-stretching method is developed to produce highly densified and well-aligned graphene/carbon nanotube fibers (G/CNTFs) with excellent mechanical and electrical performances. Graphene with small size and high quality can bridge the adjacent CNTs to avoid the interfacial slippage under deformation, which facilitates the formation of a robust architecture with abundant conductive pathways. Their ordered structure and enhanced interfacial interactions endow the fibers with both high strength (4.7 GPa) and high electrical conductivity (more than 2 × 106 S/m). G/CNTF-based lightweight wires show good flexibility and knittability, and the high-performance fiber heaters exhibit ultrafast electrothermal response over 1000 °C/s and a low operation voltage of 3 V. This method paves the way for optimizing the microstructures and producing high-strength and high-conductivity CNTFs, which are promising candidates for the high-value fiber-based applications.
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Affiliation(s)
- Lijun Li
- Beijing Graphene Institute (BGI), Beijing 100095, P. R. China
| | - Tongzhao Sun
- Beijing Graphene Institute (BGI), Beijing 100095, P. R. China
- State Key Laboratory of High-Efficiency Coal Utilization and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, P. R. China
| | - Shichao Lu
- Beijing Graphene Institute (BGI), Beijing 100095, P. R. China
| | - Zhuo Chen
- Beijing Graphene Institute (BGI), Beijing 100095, P. R. China
- Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Shichen Xu
- Beijing Graphene Institute (BGI), Beijing 100095, P. R. China
- Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Muqiang Jian
- Beijing Graphene Institute (BGI), Beijing 100095, P. R. China
| | - Jin Zhang
- Beijing Graphene Institute (BGI), Beijing 100095, P. R. China
- Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
- School of Materials Science and Engineering, Peking University, Beijing 100871, P. R. China
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11
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Nunes T, da Silva HP. Characterization and Validation of Flexible Dry Electrodes for Wearable Integration. SENSORS (BASEL, SWITZERLAND) 2023; 23:s23031468. [PMID: 36772507 PMCID: PMC9921656 DOI: 10.3390/s23031468] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/18/2023] [Accepted: 01/24/2023] [Indexed: 05/27/2023]
Abstract
When long-term biosignal monitoring is required via surface electrodes, the use of conventional silver/silver chloride (Ag/AgCl) gelled electrodes may not be the best solution, as the gel in the electrodes tends to dry out over time. In this work, the electrical behaviour and performance of dry electrodes for biopotential monitoring was assessed. Three materials were investigated and compared against the gold-standard Ag/AgCl gelled electrodes. To characterize their electrical behaviour, the impedance response over the frequency was evaluated, as well as its signal to noise ratio. The electrodes' performance was evaluated by integrating them in a proven electrocardiogram (ECG) acquisition setup where an ECG signal was acquired simultaneously with a set of dry electrodes and a set of standard Ag/AgCl gelled electrodes as reference. The obtained results were morphologically compared using the Normalised Root Mean Squared Error (nRMSE) and the Cosine Similarity (CS). The findings of this work suggest that the use of dry electrodes for biopotential monitoring is a suitable replacement for the conventional Ag/AgCl gelled electrodes. The signal obtained with dry electrodes is comparable to the one obtained with the gold standard, with the advantage that these do not require the use of gel and can be easily integrated into fabric to facilitate their use in long-term monitoring scenarios.
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Affiliation(s)
- Tiago Nunes
- PLUX Wireless Biosignals, 1050-059 Lisbon, Portugal
- NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal
| | - Hugo Plácido da Silva
- PLUX Wireless Biosignals, 1050-059 Lisbon, Portugal
- Instituto de Telecomunicações, 1049-001 Lisboa, Portugal
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12
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Boncel S, Jędrysiak RG, Czerw M, Kolanowska A, Blacha AW, Imielski M, Jóźwiak B, Dzida MH, Greer HF, Sobotnicki A. Paintable Carbon Nanotube Coating-Based Textronics for Sustained Holter-Type Electrocardiography. ACS APPLIED NANO MATERIALS 2022; 5:15762-15774. [PMID: 36338322 PMCID: PMC9623549 DOI: 10.1021/acsanm.2c03904] [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: 09/03/2022] [Accepted: 09/26/2022] [Indexed: 06/16/2023]
Abstract
A growing population suffering from or at high risk of developing cardiovascular diseases can benefit from rapid, precise, and readily available diagnostics. Textronics is an interdisciplinary approach for designing and manufacturing high-performance flexible electronics integrated with textiles for various applications, with electrocardiography (ECG) being the most convenient and most frequently used diagnostic technique for textronic solutions. The key challenges that still exist for textronics include expedient manufacturing, adaptation to human subjects, sustained operational stability for Holter-type data acquisition, reproducibility, and compatibility with existing solutions. The present study demonstrates conveniently paintable ECG electroconductive coatings on T-shirts woven from polyester or 70% polyamide and 30% polyester. The up to 600-μm-thick coatings encompass working electrodes of low resistivity 60 Ω sq-1 sheathed in the insulated pathways-conjugable with a wireless, multichannel ECG recorder. Long (800 μm) multiwalled carbon nanotubes, with scalable reproducibility and purity (18 g per round of synthesis), constituted the electroactive components and were embedded into a commercially available screen-printing acrylic base. The resulting paint had a viscosity of 0.75 Pa·s at 56 s-1 and 25 °C and was conveniently applied using a paintbrush, making this technique accessible to manufacturers. The amplified and nondigitally processed ECG signals were recorded under dry-skin conditions using a certified ECG recorder. The system enabled the collection of ECG signals from two channels, allowing the acquisition of cardiac electrical activity on six ECG leads with quality at par with medical diagnostics. Importantly, the Holter-type ECG allowed ambulatory recording for >24 h under various activities (sitting, sleeping, walking, and running) in three male participants. The ECG signal was stable for >5 cycles of washing, a level of stability not reported yet previously. The developed ECG-textronic application possesses acceptable and reproducible characteristics, making this technology a suitable candidate for further testing in clinical trials.
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Affiliation(s)
- Sławomir Boncel
- Faculty
of Chemistry, Department of Organic Chemistry, Bioorganic Chemistry
and Biotechnology, NanoCarbonGroup, Silesian
University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland
- Centre
for Organic and Nanohybrid Electronics, Silesian University of Technology, Konarskiego 22B, 44-100 Gliwice, Poland
| | - Rafał G. Jędrysiak
- Faculty
of Chemistry, Department of Organic Chemistry, Bioorganic Chemistry
and Biotechnology, NanoCarbonGroup, Silesian
University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland
- Centre
for Organic and Nanohybrid Electronics, Silesian University of Technology, Konarskiego 22B, 44-100 Gliwice, Poland
| | - Marek Czerw
- Łukasiewicz
Research Network Institute of Medical Technology and Equipment, Roosevelta 118, 41-800 Zabrze, Poland
- Department
of Biosensors and Processing of Biomedical Signals, Silesian University of Technology, Roosevelta 40, 41-800 Zabrze, Poland
| | - Anna Kolanowska
- Faculty
of Chemistry, Department of Organic Chemistry, Bioorganic Chemistry
and Biotechnology, NanoCarbonGroup, Silesian
University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland
- Centre
for Organic and Nanohybrid Electronics, Silesian University of Technology, Konarskiego 22B, 44-100 Gliwice, Poland
- Department
of Physical Chemistry and Technology of Polymers, Silesian University of Technology, Marcina Strzody 9, 44-100 Gliwice, Poland
- Biotechnology
Centre, Silesian University of Technology, Krzywoustego 8, 44-100 Gliwice, Poland
| | - Anna W. Blacha
- Faculty
of Chemistry, Department of Organic Chemistry, Bioorganic Chemistry
and Biotechnology, NanoCarbonGroup, Silesian
University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland
- Centre
for Organic and Nanohybrid Electronics, Silesian University of Technology, Konarskiego 22B, 44-100 Gliwice, Poland
| | - Maciej Imielski
- Faculty
of Chemistry, Department of Organic Chemistry, Bioorganic Chemistry
and Biotechnology, NanoCarbonGroup, Silesian
University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland
- Centre
for Organic and Nanohybrid Electronics, Silesian University of Technology, Konarskiego 22B, 44-100 Gliwice, Poland
| | - Bertrand Jóźwiak
- Faculty
of Chemistry, Department of Organic Chemistry, Bioorganic Chemistry
and Biotechnology, NanoCarbonGroup, Silesian
University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland
- Centre
for Organic and Nanohybrid Electronics, Silesian University of Technology, Konarskiego 22B, 44-100 Gliwice, Poland
- Department
of Chemical Engineering and Process Design, Silesian University of Technology, Marcina Strzody 7, 44-100 Gliwice, Poland
| | - Marzena H. Dzida
- Institute
of Chemistry, University of Silesia in Katowice, Szkolna 9, 40-006 Katowice, Poland
| | - Heather F. Greer
- Department
of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K.
| | - Aleksander Sobotnicki
- Łukasiewicz
Research Network Institute of Medical Technology and Equipment, Roosevelta 118, 41-800 Zabrze, Poland
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13
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Wang W, Gao S, Wang Y, Li Y, Yue W, Niu H, Yin F, Guo Y, Shen G. Advances in Emerging Photonic Memristive and Memristive-Like Devices. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105577. [PMID: 35945187 PMCID: PMC9534950 DOI: 10.1002/advs.202105577] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 06/06/2022] [Indexed: 05/19/2023]
Abstract
Possessing the merits of high efficiency, low consumption, and versatility, emerging photonic memristive and memristive-like devices exhibit an attractive future in constructing novel neuromorphic computing and miniaturized bionic electronic system. Recently, the potential of various emerging materials and structures for photonic memristive and memristive-like devices has attracted tremendous research efforts, generating various novel theories, mechanisms, and applications. Limited by the ambiguity of the mechanism and the reliability of the material, the development and commercialization of such devices are still rare and in their infancy. Therefore, a detailed and systematic review of photonic memristive and memristive-like devices is needed to further promote its development. In this review, the resistive switching mechanisms of photonic memristive and memristive-like devices are first elaborated. Then, a systematic investigation of the active materials, which induce a pivotal influence in the overall performance of photonic memristive and memristive-like devices, is highlighted and evaluated in various indicators. Finally, the recent advanced applications are summarized and discussed. In a word, it is believed that this review provides an extensive impact on many fields of photonic memristive and memristive-like devices, and lay a foundation for academic research and commercial applications.
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Affiliation(s)
- Wenxiao Wang
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Song Gao
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Yaqi Wang
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Yang Li
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Wenjing Yue
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Hongsen Niu
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Feifei Yin
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Yunjian Guo
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Guozhen Shen
- School of Integrated Circuits and ElectronicsBeijing Institute of TechnologyBeijing100081China
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14
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Wan J, Hu R, Li J, Mi S, Xian J, Xiao Z, Liu Z, Mei A, Xu S, Fan M, Jiang H, Zhang Q, Liu H, Xu W. A universal construction of robust interface between 2D conductive polymer and cellulose for textile supercapacitor. Carbohydr Polym 2022; 284:119230. [DOI: 10.1016/j.carbpol.2022.119230] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 01/11/2022] [Accepted: 02/04/2022] [Indexed: 11/02/2022]
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15
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Cho S, Chang T, Yu T, Lee CH. Smart Electronic Textiles for Wearable Sensing and Display. BIOSENSORS 2022; 12:bios12040222. [PMID: 35448282 PMCID: PMC9029731 DOI: 10.3390/bios12040222] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/04/2022] [Accepted: 04/06/2022] [Indexed: 05/13/2023]
Abstract
Increasing demand of using everyday clothing in wearable sensing and display has synergistically advanced the field of electronic textiles, or e-textiles. A variety of types of e-textiles have been formed into stretchy fabrics in a manner that can maintain their intrinsic properties of stretchability, breathability, and wearability to fit comfortably across different sizes and shapes of the human body. These unique features have been leveraged to ensure accuracy in capturing physical, chemical, and electrophysiological signals from the skin under ambulatory conditions, while also displaying the sensing data or other immediate information in daily life. Here, we review the emerging trends and recent advances in e-textiles in wearable sensing and display, with a focus on their materials, constructions, and implementations. We also describe perspectives on the remaining challenges of e-textiles to guide future research directions toward wider adoption in practice.
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Affiliation(s)
- Seungse Cho
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA;
| | - Taehoo Chang
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA;
| | - Tianhao Yu
- School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907, USA;
| | - Chi Hwan Lee
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA;
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA;
- School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907, USA;
- Center for Implantable Devices, Purdue University, West Lafayette, IN 47907, USA
- Correspondence:
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16
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Zeng Z, Yu S, Guo C, Lu D, Geng Z, Pei D. Mxene reinforced supramolecular hydrogels with high strength, stretchability and reliable conductivity for sensitive strain sensors. Macromol Rapid Commun 2022; 43:e2200103. [PMID: 35319127 DOI: 10.1002/marc.202200103] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 03/16/2022] [Indexed: 11/07/2022]
Abstract
Conductive hydrogels used as electronics have received much attention due to their great flexibility and stretchability. However, the fabrication of ideal conductive hydrogels fulfilling with excellent mechanical properties and outstanding sensitivity remains a great challenge until now. Moreover, high sensitivity and broad linearity range are pivotal for the feasibility and accuracy of hydrogel sensors. In this study, a conductive supramolecular hydrogel was engineered by directly mixing the aqueous dispersion of MXene with the precursor of N-acryloyl glycinamide (NAGA) monomer and then rapidly photo cross-linked by UV irradiation. The resultant PNAGA/MXene hydrogel-sensors exhibited high mechanical strength (4.8 MPa), great stretchability (630%), and excellent durability. The conductive hydrogel-based sensor presented excellent conductivity (17.3 S·m-1 ) and a wide scope of linear dependence of sensitivity on strain (0-125%, gauge factor = 2.05). It displayed reliable detection of various motions, including repeated subtle movements and large strain. It was also showed good degradation in vitro and antifouling capability. This work may provide a simple and promising platform for engineering conductive supramolecular hydrogels with integrated high performance aiming for smart wearable electronics, electronic skin, soft robots, and human-machine interfacing. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Zhiwen Zeng
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangzhou, 510316, China
- Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Guangzhou, 510500, China
- National Engineering Research Center for Healthcare Devices, Guangzhou, 510500, China
| | - Shan Yu
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangzhou, 510316, China
- Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Guangzhou, 510500, China
- National Engineering Research Center for Healthcare Devices, Guangzhou, 510500, China
| | - Cuiping Guo
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangzhou, 510316, China
- Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Guangzhou, 510500, China
- National Engineering Research Center for Healthcare Devices, Guangzhou, 510500, China
| | - Daohuan Lu
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangzhou, 510316, China
- Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Guangzhou, 510500, China
- National Engineering Research Center for Healthcare Devices, Guangzhou, 510500, China
| | - Zhijie Geng
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangzhou, 510316, China
- Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Guangzhou, 510500, China
- National Engineering Research Center for Healthcare Devices, Guangzhou, 510500, China
| | - Dating Pei
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangzhou, 510316, China
- Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Guangzhou, 510500, China
- National Engineering Research Center for Healthcare Devices, Guangzhou, 510500, China
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17
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Blobel B, Oemig F, Ruotsalainen P, Lopez DM. Transformation of Health and Social Care Systems-An Interdisciplinary Approach Toward a Foundational Architecture. Front Med (Lausanne) 2022; 9:802487. [PMID: 35402446 PMCID: PMC8992002 DOI: 10.3389/fmed.2022.802487] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 01/11/2022] [Indexed: 11/23/2022] Open
Abstract
Objective For realizing pervasive and ubiquitous health and social care services in a safe and high quality as well as efficient and effective way, health and social care systems have to meet new organizational, methodological, and technological paradigms. The resulting ecosystems are highly complex, highly distributed, and highly dynamic, following inter-organizational and even international approaches. Even though based on international, but domain-specific models and standards, achieving interoperability between such systems integrating multiple domains managed by multiple disciplines and their individually skilled actors is cumbersome. Methods Using the abstract presentation of any system by the universal type theory as well as universal logics and combining the resulting Barendregt Cube with parameters and the engineering approach of cognitive theories, systems theory, and good modeling best practices, this study argues for a generic reference architecture model moderating between the different perspectives and disciplines involved provide on that system. To represent architectural elements consistently, an aligned system of ontologies is used. Results The system-oriented, architecture-centric, and ontology-based generic reference model allows for re-engineering the existing and emerging knowledge representations, models, and standards, also considering the real-world business processes and the related development process of supporting IT systems for the sake of comprehensive systems integration and interoperability. The solution enables the analysis, design, and implementation of dynamic, interoperable multi-domain systems without requesting continuous revision of existing specifications.
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Affiliation(s)
- Bernd Blobel
- Medical Faculty, University of Regensburg, Regensburg, Germany
- eHealth Competence Center Bavaria, Deggendorf Institute of Technology, Deggendorf, Germany
- First Medical Faculty, Charles University Prague, Prague, Czechia
| | - Frank Oemig
- IT-Consulting in Healthcare, Mülheim, Germany
| | - Pekka Ruotsalainen
- Faculty of Information Technology and Communication Sciences (ITC), Tampere University, Tampere, Finland
| | - Diego M. Lopez
- Telematics Engineering Research Group, University of Cauca, Popayan, Colombia
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18
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Chen G, Xiao X, Zhao X, Tat T, Bick M, Chen J. Electronic Textiles for Wearable Point-of-Care Systems. Chem Rev 2021; 122:3259-3291. [PMID: 34939791 DOI: 10.1021/acs.chemrev.1c00502] [Citation(s) in RCA: 169] [Impact Index Per Article: 56.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Traditional public health systems are suffering from limited, delayed, and inefficient medical services, especially when confronted with the pandemic and the aging population. Fusing traditional textiles with diagnostic, therapeutic, and protective medical devices can unlock electronic textiles (e-textiles) as point-of-care platform technologies on the human body, continuously monitoring vital signs and implementing round-the-clock treatment protocols in close proximity to the patient. This review comprehensively summarizes the research advances on e-textiles for wearable point-of-care systems. We start with a brief introduction to emphasize the significance of e-textiles in the current healthcare system. Then, we describe textile sensors for diagnosis, textile therapeutic devices for medical treatment, and textile protective devices for prevention, by highlighting their working mechanisms, representative materials, and clinical application scenarios. Afterward, we detail e-textiles' connection technologies as the gateway for real-time data transmission and processing in the context of 5G technologies and Internet of Things. Finally, we provide new insights into the remaining challenges and future directions in the field of e-textiles. Fueled by advances in chemistry and materials science, textile-based diagnostic devices, therapeutic devices, protective medical devices, and communication units are expected to interact synergistically to construct intelligent, wearable point-of-care textile platforms, ultimately illuminating the future of healthcare system in the Internet of Things era.
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Affiliation(s)
- Guorui Chen
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Xiao Xiao
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Xun Zhao
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Trinny Tat
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Michael Bick
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Jun Chen
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
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