Technology Roadmap for Flexible Sensors

ACS Nano, Journal Year: 2023, Volume and Issue: 17(6), P. 5211 - 5295

Published: March 9, 2023

Humans rely increasingly on sensors to address grand challenges and improve quality of life in the era digitalization big data. For ubiquitous sensing, flexible are developed overcome limitations conventional rigid counterparts. Despite rapid advancement bench-side research over last decade, market adoption remains limited. To ease expedite their deployment, here, we identify bottlenecks hindering maturation propose promising solutions. We first analyze achieving satisfactory sensing performance for real-world applications then summarize issues compatible sensor-biology interfaces, followed by brief discussions powering connecting sensor networks. Issues en route commercialization sustainable growth sector also analyzed, highlighting environmental concerns emphasizing nontechnical such as business, regulatory, ethical considerations. Additionally, look at future intelligent sensors. In proposing a comprehensive roadmap, hope steer efforts towards common goals guide coordinated development strategies from disparate communities. Through collaborative efforts, scientific breakthroughs can be made sooner capitalized betterment humanity.

Language: Английский

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Wearable Pressure Sensors for Pulse Wave Monitoring

Advanced Materials, Journal Year: 2022, Volume and Issue: 34(21)

Published: Jan. 19, 2022

Abstract Cardiovascular diseases remain the leading cause of death worldwide. The rapid development flexible sensing technologies and wearable pressure sensors have attracted keen research interest been widely used for long‐term real‐time cardiovascular status monitoring. Owing to compelling characteristics, including light weight, wearing comfort, high sensitivity pulse pressures, physiological waveforms can be precisely continuously monitored by health Herein, an overview human wave monitoring is presented, with a focus on transduction mechanism, microengineering structures, related applications in condition assessment. conceptualizations methods acquisition pathological information system are outlined. biomechanics arterial waves working mechanism various sensors, triboelectric, piezoelectric, magnetoelastic, piezoresistive, capacitive, optical also subject systematic debate. Exemple measurement based structured devices then summarized. Finally, discussion opportunities challenges that face, as well their potential intelligent personalized healthcare given conclusion.

Language: Английский

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Smart textiles for personalized healthcare

Nature Electronics, Journal Year: 2022, Volume and Issue: 5(3), P. 142 - 156

Published: March 28, 2022

Language: Английский

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Electronic Textiles for Wearable Point-of-Care Systems

Chemical Reviews, Journal Year: 2021, Volume and Issue: 122(3), P. 3259 - 3291

Published: Dec. 23, 2021

Traditional public health systems are suffering from limited, delayed, and inefficient medical services, especially when confronted with the pandemic aging population. Fusing traditional textiles diagnostic, therapeutic, protective devices can unlock electronic (e-textiles) as point-of-care platform technologies on human body, continuously monitoring vital signs implementing round-the-clock treatment protocols in close proximity to patient. This review comprehensively summarizes research advances e-textiles for wearable systems. We start a brief introduction emphasize significance of current healthcare system. Then, we describe textile sensors diagnosis, therapeutic treatment, prevention, by highlighting their working mechanisms, representative materials, clinical application scenarios. Afterward, detail e-textiles' connection gateway real-time data transmission processing context 5G Internet Things. Finally, provide new insights into remaining challenges future directions field e-textiles. Fueled chemistry materials science, textile-based diagnostic devices, communication units expected interact synergistically construct intelligent, platforms, ultimately illuminating system Things era.

Language: Английский

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Multi-sensor information fusion based on machine learning for real applications in human activity recognition: State-of-the-art and research challenges

Information Fusion, Journal Year: 2021, Volume and Issue: 80, P. 241 - 265

Published: Nov. 13, 2021

Language: Английский

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Self‐Powered Respiration Monitoring Enabled By a Triboelectric Nanogenerator

Advanced Materials, Journal Year: 2021, Volume and Issue: 33(35)

Published: July 8, 2021

Abstract In mammals, physiological respiration involves respiratory cycles of inhaled and exhaled breaths, which has traditionally been an underutilized resource potentially encompassing a wealth physiologically relevant information as well clues to potential diseases. Recently, triboelectric nanogenerators (TENGs) have widely adopted for self‐powered monitoring owing their compelling features, such decent biocompatibility, wearing comfort, low‐cost, high sensitivity activities in the aspect low frequency slight amplitude body motions. Physiological behaviors chemical regents can be precisely continuously monitored by TENG‐based sensors personalized health care. This article presents overview TENG enabled monitoring, with focus on working principle, sensing materials, functional structures, related applications both physical motion detection breath analysis. Concepts approaches acquisition associated rate depth are covered first part. Then mechanism, theoretical modeling, chemicals released from breathing gases systemically summarized. Finally, opportunities challenges effect comprehensively discussed criticized.

Language: Английский

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Nanogenerators for smart cities in the era of 5G and Internet of Things

Joule, Journal Year: 2021, Volume and Issue: 5(6), P. 1391 - 1431

Published: April 19, 2021

Language: Английский

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AI enabled sign language recognition and VR space bidirectional communication using triboelectric smart glove

Nature Communications, Journal Year: 2021, Volume and Issue: 12(1)

Published: Sept. 10, 2021

Sign language recognition, especially the sentence is of great significance for lowering communication barrier between hearing/speech impaired and non-signers. The general glove solutions, which are employed to detect motions our dexterous hands, only achieve recognizing discrete single gestures (i.e., numbers, letters, or words) instead sentences, far from satisfying meet signers' daily communication. Here, we propose an artificial intelligence enabled sign recognition system comprising sensing gloves, deep learning block, virtual reality interface. Non-segmentation segmentation assisted model achieves 50 words 20 sentences. Significantly, approach splits entire signals into word units. Then recognizes all elements reversely reconstructs Furthermore, new/never-seen sentences created by new-order recombination can be recognized with average correct rate 86.67%. Finally, results projected space translated text audio, allowing remote bidirectional signers

Language: Английский

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Augmented tactile-perception and haptic-feedback rings as human-machine interfaces aiming for immersive interactions

Nature Communications, Journal Year: 2022, Volume and Issue: 13(1)

Published: Sept. 5, 2022

Abstract Advancements of virtual reality technology pave the way for developing wearable devices to enable somatosensory sensation, which can bring more comprehensive perception and feedback in metaverse-based society. Here, we propose augmented tactile-perception haptic-feedback rings with multimodal sensing capabilities. This highly integrated ring consists triboelectric pyroelectric sensors tactile temperature perception, vibrators nichrome heaters vibro- thermo-haptic feedback. All these components on be directly driven by a custom wireless platform low power consumption wearable/portable scenarios. With voltage integration processing, high-resolution continuous finger motion tracking is achieved via sensor, also contributes superior performance gesture/object recognition artificial intelligence analysis. By fusing functions, an interactive metaverse cross-space capability successfully achieved, giving people face-to-face like immersive social experience.

Language: Английский

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Muscle Fibers Inspired High‐Performance Piezoelectric Textiles for Wearable Physiological Monitoring

Advanced Functional Materials, Journal Year: 2021, Volume and Issue: 31(19)

Published: Feb. 5, 2021

Abstract The next‐generation wearable biosensors with highly biocompatible, stretchable, and robust features are expected to enable the change of current reactive disease‐centric healthcare system a personalized model focus on disease prevention health promotion. Herein, muscle‐fiber‐inspired nonwoven piezoelectric textile tunable mechanical properties for physiological monitoring is developed. To mimic muscle fibers, polydopamine (PDA) dispersed into electrospun barium titanate/polyvinylidene fluoride (BTO/PVDF) nanofibers enhance interfacial‐adhesion, strength, properties. Such improvements both experimentally observed via characterization theoretically verified by phase‐field simulation. Taking PDA@BTO/PVDF as building blocks, light‐weight fabricated, which hold an outstanding sensitivity (3.95 V N −1 ) long‐term stability (<3% decline after 7,400 cycles). demonstrates multiple potential applications, including pulse wave measurement, human motion monitoring, active voice recognition. By creatively mimicking this work paves cost‐effective way develop high‐performance self‐powered bioelectronics healthcare.

Language: Английский

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