Electronic Skin: Recent Progress and Future Prospects for Skin‐Attachable Devices for Health Monitoring, Robotics, and Prosthetics

Advanced Materials, Journal Year: 2019, Volume and Issue: 31(48)

Published: Sept. 19, 2019

Abstract Recent progress in electronic skin or e‐skin research is broadly reviewed, focusing on technologies needed three main applications: skin‐attachable electronics, robotics, and prosthetics. First, since will be exposed to prolonged stresses of various kinds needs conformally adhered irregularly shaped surfaces, materials with intrinsic stretchability self‐healing properties are great importance. Second, tactile sensing capability such as the detection pressure, strain, slip, force vector, temperature important for health monitoring attachable devices, enable object manipulation surrounding environment robotics For chemical electrophysiological wireless signal communication high significance fully gauge state users ensure user comfort. prosthetics, large‐area integration 3D surfaces a facile scalable manner critical. Furthermore, new processing strategies using neuromorphic devices efficiently process information parallel low power manner. neural interfacing electrodes These topics discussed, progress, current challenges, future prospects.

Language: Английский

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A laser-engraved wearable sensor for sensitive detection of uric acid and tyrosine in sweat

Nature Biotechnology, Journal Year: 2019, Volume and Issue: 38(2), P. 217 - 224

Published: Nov. 25, 2019

Language: Английский

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Advanced Soft Materials, Sensor Integrations, and Applications of Wearable Flexible Hybrid Electronics in Healthcare, Energy, and Environment

Advanced Materials, Journal Year: 2019, Volume and Issue: 32(15)

Published: July 8, 2019

Abstract Recent advances in soft materials and system integration technologies have provided a unique opportunity to design various types of wearable flexible hybrid electronics (WFHE) for advanced human healthcare human–machine interfaces. The biocompatible with miniaturized wireless systems is undoubtedly an attractive prospect the sense that successful device performance requires high degrees mechanical flexibility, sensing capability, user‐friendly simplicity. Here, most up‐to‐date materials, sensors, system‐packaging develop WFHE are provided. Details mechanical, electrical, physicochemical, properties discussed integrated sensor applications healthcare, energy, environment. In addition, limitations current discussed, as well key challenges future direction WFHE. Collectively, all‐inclusive review newly developed along summary imperative requirements material properties, capabilities, performance, skin integrations

Language: Английский

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A breathable, biodegradable, antibacterial, and self-powered electronic skin based on all-nanofiber triboelectric nanogenerators

Science Advances, Journal Year: 2020, Volume and Issue: 6(26)

Published: June 26, 2020

A breathable, biodegradable, antibacterial, and self-powered skin is developed.

Language: Английский

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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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Muscle-Inspired Self-Healing Hydrogels for Strain and Temperature Sensor

ACS Nano, Journal Year: 2019, Volume and Issue: 14(1), P. 218 - 228

Published: Dec. 6, 2019

Recently, self-healing hydrogel bioelectronic devices have raised enormous interest for their tissue-like mechanical compliance, desirable biocompatibility, and tunable adhesiveness on bioartificial organs. However, the practical applications of these hydrogel-based sensors are generally limited by poor fulfillment stretchability sensitivity, brittleness under subzero temperature, single sensory function. Inspired fiber-reinforced microstructures mechano-transduction systems human muscles, a (90.8%), long-lasting thermal tolerant dual-sensory sensor is proposed, with high gauge factor (18.28) within broad strain range (268.9%), low limit detection (5% strain), satisfactory thermosensation (-0.016 °C-1), highly discernible temperature resolution (2.7 °C). Especially introducing glycerol/water binary solvent system, subzero-temperature performance, water-retaining, durable adhesion feature can be achieved, resulting from ice crystallization inhibition dynamic bonding. On account advantageous mechanoreception thermosensitive capacities, flexible touch keyboard signature identification "fever indicator" forehead's realized this device.

Language: Английский

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Haptic-feedback smart glove as a creative human-machine interface (HMI) for virtual/augmented reality applications

Science Advances, Journal Year: 2020, Volume and Issue: 6(19)

Published: May 8, 2020

Human-machine interfaces (HMIs) experience increasing requirements for intuitive and effective manipulation. Current commercialized solutions of glove-based HMI are limited by either detectable motions or the huge cost on fabrication, energy, computing power. We propose haptic-feedback smart glove with triboelectric-based finger bending sensors, palm sliding sensor, piezoelectric mechanical stimulators. The detection multidirectional events is demonstrated in virtual space using self-generated triboelectric signals various degrees freedom human hand. also perform haptic stimulation via chips to realize augmented HMI. achieves object recognition machine learning technique, an accuracy 96%. Through integrated demonstration multidimensional manipulation, feedback, AI-based recognition, our reveals its potential as a promising solution low-cost advanced human-machine interaction, which can benefit diversified areas, including entertainment, home healthcare, sports training, medical industry.

Language: Английский

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Wearable Sensors‐Enabled Human–Machine Interaction Systems: From Design to Application

Advanced Functional Materials, Journal Year: 2020, Volume and Issue: 31(11)

Published: Dec. 29, 2020

Abstract In comparison to traditional bulky and rigid electronic devices, the human–machine interaction (HMI) system with flexible wearable components is an inevitable future trend. To achieve effective, intuitive, seamless manipulation of high‐performance HMI systems, it important develop effective strategies for designing material microstructures on sensors electric devices excellent mechanical flexibility stretchability. The real‐time acquisition human physiology surrounding signals through accurate basis HMIs. Herein, construction a that utilizes sensors, communication modes, actuators reviewed. mechanisms various based different are analyzed discussed. functional mechanism, selection, novel design each part summarized in detail. modes interactive systems manufacturing technology soft machines also introduced. Additionally, most advanced applications intelligent identification security, controls robots, augmented reality, virtual reality have been highlighted. review concludes overview remaining key challenges several ideas regarding further improvement systems.

Language: Английский

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Multifunctional Skin‐Inspired Flexible Sensor Systems for Wearable Electronics

Advanced Materials Technologies, Journal Year: 2019, Volume and Issue: 4(3)

Published: Jan. 4, 2019

Abstract Skin‐inspired wearable devices hold great potentials in the next generation of smart portable electronics owing to their intriguing applications healthcare monitoring, soft robotics, artificial intelligence, and human–machine interfaces. Despite tremendous research efforts dedicated judiciously tailoring terms thickness, portability, flexibility, bendability as well stretchability, emerging Internet Things demand skin‐interfaced flexible systems be endowed with additional functionalities capability mimicking skin‐like perception beyond. This review covers highlights latest advances burgeoning multifunctional electronics, primarily including versatile multimodal sensor systems, self‐healing material‐based devices, self‐powered sensors. To render penetration human‐interactive into global markets households, economical manufacturing techniques are crucial achieve large‐scale high‐throughput capability. The booming innovations this field will push scientific community forward benefit human beings near future.

Language: Английский

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Stretchable, Transparent, and Self‐Patterned Hydrogel‐Based Pressure Sensor for Human Motions Detection

Advanced Functional Materials, Journal Year: 2018, Volume and Issue: 28(32)

Published: June 21, 2018

Abstract In this study, a binary networked conductive hydrogel is prepared using acrylamide and polyvinyl alcohol. Based on the obtained hydrogel, an ultrastretchable pressure sensor with biocompatibility transparency fabricated cost effectively. The exhibits impressive stretchability (>500%) superior (>90%). Furthermore, self‐patterned microarchitecture surface beneficial to achieve high sensitivity (0.05 kPa −1 for 0–3.27 kPa). hydrogel‐based can precisely monitor dynamic pressures (3.33, 5.02, 6.67 kPa) frequency‐dependent behavior. It also shows fast response (150 ms), durable stability (500 cycles), negligible current variation (6%). Moreover, instantly detect both tiny (phonation, airflowing, saliva swallowing) robust (finger limb motions) physiological activities. This work presents insights into preparing multifunctional hydrogels mechanosensory electronics.

Language: Английский

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