Electronic Skin for Health Monitoring Systems: Properties, Functions, and Applications

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(31)

Published: May 17, 2024

Abstract Electronic skin (e‐skin), a skin‐like wearable electronic device, holds great promise in the fields of telemedicine and personalized healthcare because its good flexibility, biocompatibility, conformability, sensing performance. E‐skin can monitor various health indicators human body real time over long term, including physical (exercise, respiration, blood pressure, etc.) chemical (saliva, sweat, urine, etc.). In recent years, development materials, analysis, manufacturing technologies has promoted significant e‐skin, laying foundation for application next‐generation medical devices. Herein, properties required e‐skin monitoring devices to achieve long‐term precise summarize several detectable field are discussed. Subsequently, applications integrated systems reviewed. Finally, current challenges future directions this This review is expected generate interest inspiration improvement systems.

Language: Английский

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Flexible Pressure, Humidity, and Temperature Sensors for Human Health Monitoring

Advanced Healthcare Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 17, 2024

Abstract The rapid advancements in artificial intelligence, micro‐nano manufacturing, and flexible electronics technology have unleashed unprecedented innovation opportunities for applying sensors healthcare, wearable devices, human–computer interaction. human body's tactile perception involves physical parameters such as pressure, temperature, humidity, all of which play an essential role maintaining health. Inspired by the sensory function skin, many bionic been developed to simulate skin's various stimuli are widely applied health monitoring. Given urgent requirements sensing performance integration field devices monitoring, here is a timely overview recent advances multi‐functional It covers fundamental components categorizes them based on different response mechanisms, including resistive, capacitive, voltage, other types. Specifically, application these area monitoring highlighted. Based this, extended dual/triple‐mode integrating temperature presented. Finally, challenges discussed.

Language: Английский

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Fiber/Yarn and Textile-Based Piezoresistive Pressure Sensors

Advanced Fiber Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 18, 2024

Language: Английский

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Bionic Recognition Technologies Inspired by Biological Mechanosensory Systems

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 21, 2025

Abstract Mechanical information is a medium for perceptual interaction and health monitoring of organisms or intelligent mechanical equipment, including force, vibration, sound, flow. Researchers are increasingly deploying recognition technologies (MIRT) that integrate acquisition, pre‐processing, processing functions expected to enable advanced applications. However, this also poses significant challenges acquisition performance efficiency. The novel exciting mechanosensory systems in nature have inspired us develop superior bionic (MIBRT) based on materials, structures, devices address these challenges. Herein, first strategies pre‐processing presented their importance high‐performance highlighted. Subsequently, design considerations sensors by mechanoreceptors described. Then, the concepts neuromorphic summarized order replicate biological nervous system. Additionally, ability MIBRT investigated recognize basic information. Furthermore, further potential applications robots, healthcare, virtual reality explored with view solve range complex tasks. Finally, future opportunities identified from multiple perspectives.

Language: Английский

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Novel Iontronic Pressure Sensor Coupling High Sensitivity and Wide‐Range for Stiffness Identification and Long‐Distance Precise Motion Control

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 21, 2024

Abstract High‐performance flexible pressure sensors have garnered widespread applications across numerous vital fields, encompassing robotics, artificial intelligence, and brain‐computer interfaces. However, the small compressibility range of materials easy saturation characteristics microstructures greatly limit their practical applications. Therefore, achieving high sensitivity over an extensive remains a challenge. Here, inspired by skin, raised structure with graded features is designed as sensitive layer. A sensor performance manufactured combining iontronic The results indicate that this can stably maintain 161.26 kPa −1 even at 320 kPa. Moreover, also has fast response time recovery 26 85 ms, respectively. As demonstration, these are applied to stiffness recognition, human motion monitoring, control long‐distance four‐wheel vehicles. This work will offer valuable insights serve useful reference for broadened sensing in sensors.

Language: Английский

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Polymer-based flexible piezoresistive pressure sensors based on various micro/nanostructures array

Composites Part A Applied Science and Manufacturing, Journal Year: 2024, Volume and Issue: 190, P. 108648 - 108648

Published: Dec. 9, 2024

Language: Английский

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Flexible Thermoelectric BiSbTe/Carbon Paper/BiSbTe Sandwiches for Bimode Temperature‐Pressure Sensors

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 5, 2024

Abstract Bimode temperature‐pressure sensors hold significant promise in personal health monitoring, wearables and robotic signal detection. Traditional bimode typically combine two independent sensors, leading to fabrication complexity. This study develops a sensor by using facile electrodeposition method create sandwiched BiSbTe/Carbon Paper/BiSbTe thin films stacking them vertical structure. It demonstrates high sensitivity for temperature sensing, capable of detecting difference as low 1 K, rapid response time 0.92 s due Utilizing its thermoelectric mechanism, the achieves self‐powered sensing finger touch respiration states. Furthermore, island‐like contact surface ensures with an extremely fast 0.17 s, rapidly changing resistance under pressure, allowing it detect various human behaviors, including body movements micro‐expressions. Beyond capabilities, film excels flexibility, electromagnetic interference shielding, stability, presenting potential integration into electronic skin systems wearables, artificial intelligence, other applications.

Language: Английский

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Highly Aligned Nickel Fiber Conductive Structure for High Sensitivity and Low Consumption in Polymer-Based Strain Sensors with Negative Resistance-Strain Effect

Published: Jan. 1, 2025

Language: Английский

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Dynamically Reversible Filament Networks Enabling Programmable In‐Sensor Memory for High‐Precision Neuromorphic Interactions

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 17, 2025

Abstract Embodied intelligent tactile systems represent a groundbreaking paradigm for autonomous agents, facilitating dynamic perception and adaptation in unstructured environments. Traditional von Neumann architectures suffer from inefficiencies due to the separation of sensing memory units, where mechanical relaxation is often overlooked as non‐informative noise rather than utilized computational resource. The transition dynamics stimulation encoding their potential neuromorphic interactions remain largely unexplored. Here, we present transformative breakthrough seamless integration (SMI) within single device through programmable memory. Utilizing polyborosiloxane (PBS) filament networks with dynamically reversible boron‐oxygen hydrogen bonds, design enhances adhesion energy dissipation. It enables pressure‐induced electrically readable states tunable retention times (260 ms 63.9 s) 99.6% linearity, supporting applications, such threshold triggering, biomimetic pain perception, motion recognition. SMI sensor's in‐sensor logic functions facilitate control, while its capabilities enable visualization action‐driven modulation. Additionally, spatiotemporal achieves high‐precision recognition (98.33%) without relying on continuous time‐series data. This work introduces novel mechanism constructing devices, advancing development systems.

Language: Английский

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Highly aligned nickel fiber conductive structure for high sensitivity and low consumption in polymer‐based strain sensors with negative resistance‐strain effect

Polymer Composites, Journal Year: 2025, Volume and Issue: unknown

Published: April 8, 2025

Abstract Conductive polymer composites (CPCs) have attracted considerable interest in strain sensing applications due to their excellent conductivity and high sensitivity. However, CPCs exhibiting a positive resistance‐strain effect often suffer from energy consumption owing low initial resistance, which limits widespread application. Here, we present novel CPC that exhibits sensitivity negative effect, prepared using liquid composite molding (LCM) method with highly aligned nickel nanofiber arrays (NFAs). A bilayer NFAs/polydimethylsiloxane (PDMS) structure was achieved through the infiltration of PDMS into NFAs. Unlike produced by traditional blending methods, 2D LCM‐derived demonstrates while resulting 3D displays unique effect. Notably, these exhibit strain‐sensing as 26,895. Furthermore, compared most literature‐reported sensors, our approach reduces three orders magnitude. These findings offer new perspective for development high‐performance, low‐power broaden application scope sensors. Highlights Novel Ni arrays/PDMS fabricated via LCM. NFAs evolve networks increased NF density. show resistance–strain, respectively. network enable consumption.

Language: Английский

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