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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Mechanical tough, stretchable, and adhesive PEDOT:PSS-based hydrogel flexible electronics towards multi-modal wearable application

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 161645 - 161645

Published: March 1, 2025

Language: Английский

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Development and application of novel biosensors for enhanced detection in medical diagnostics

Microchemical Journal, Journal Year: 2024, Volume and Issue: unknown, P. 111938 - 111938

Published: Oct. 1, 2024

Language: Английский

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Biomaterials for Reliable Wearable Health Monitoring: Applications in Skin and Eye Integration

Biomaterials, Journal Year: 2024, Volume and Issue: 314, P. 122862 - 122862

Published: Sept. 30, 2024

Language: Английский

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Investigating the driving performance of chitosan-based artificial muscles: the effect of genipin and MCNT addition ratios

Journal of Materials Science Materials in Electronics, Journal Year: 2025, Volume and Issue: 36(7)

Published: March 1, 2025

Language: Английский

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A Low-Cost Hydrogel Electrode for Multifunctional Sensing: Strain, Temperature, and Electrophysiology

Biosensors, Journal Year: 2025, Volume and Issue: 15(3), P. 177 - 177

Published: March 11, 2025

With the rapid development of wearable technology, multifunctional sensors have demonstrated immense application potential. However, limitations traditional rigid materials restrict flexibility and widespread adoption such sensors. Hydrogels, as flexible materials, provide an effective solution to this challenge due their excellent stretchability, biocompatibility, adaptability. This study developed a sensor based on composite hydrogel polyvinyl alcohol (PVA) sodium alginate (SA), using poly(3,4-ethylenedioxythiophene)/polystyrene sulfonate (PEDOT:PSS) conductive material achieve detection strain, temperature, physiological signals. The features simple fabrication process, low cost, impedance. Experimental results show that prepared exhibits outstanding mechanical properties conductivity, with strength 118.8 kPa, elongation 334%, conductivity 256 mS/m. In strain sensing, demonstrates response minor strains (4%), high sensitivity (gauge factors 0.39 for 0–120% 0.73 120–200% ranges), short time (2.2 s), hysteresis, cyclic stability (over 500 cycles). For temperature achieves sensitivities −27.43 Ω/K (resistance mode) 0.729 mV/K (voltage mode), along stable performance across varying ranges. Furthermore, has been successfully applied monitor human motion (e.g., finger bending, wrist movement) signals electrocardiogram (ECG), electromyogram (EMG), electroencephalogram (EEG), highlighting its significant potential in health monitoring. By employing efficient method, presents high-performance sensor, offering novel insights technical support advancement devices.

Language: Английский

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Recent progress of nanomaterials-based composite hydrogel sensors for human–machine interactions

Discover Nano, Journal Year: 2025, Volume and Issue: 20(1)

Published: March 29, 2025

Abstract Hydrogel-based flexible sensors have demonstrated significant advantages in the fields of electronics and human–machine interactions (HMIs), including outstanding flexibility, high sensitivity, excellent conductivity, exceptional biocompatibility, making them ideal materials for next-generation smart HMI sensors. However, traditional hydrogel still face numerous challenges terms reliability, multifunctionality, environmental adaptability, which limit their performance complex application scenarios. Nanomaterial-based composite hydrogels significantly improve mechanical properties, multifunctionality by incorporating conductive nanomaterials, thereby driving rapid development wearable HMIs. This review systematically summarizes latest research progress on based carbon metal two-dimensional MXene provides a comprehensive analysis sensing mechanisms HMI, triboelectric nanogenerator mechanism, stress-resistance response electrophysiological acquisition mechanism. The further explores applications hydrogel-based personal electronic device control, virtual reality/augmented reality (VR/AR) game interaction, robotic control. Finally, current technical status future directions nanomaterial are summarized. We hope that this will provide valuable insights inspiration design nanocomposite applications.

Language: Английский

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Research on the impact of polydopamine hydrogel electrodes with various doping methods on the performance of microbial fuel cells

Bioprocess and Biosystems Engineering, Journal Year: 2025, Volume and Issue: unknown

Published: April 19, 2025

Language: Английский

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Ionogels and eutectogels for stable and long-term EEG and EMG signal acquisition

Materials Futures, Journal Year: 2024, Volume and Issue: 3(3), P. 033501 - 033501

Published: June 27, 2024

Abstract Neurological injuries and disorders have a significant impact on individuals’ quality of life, often resulting in motor sensory loss. To assess performance monitor neurological disorders, non-invasive techniques such as electroencephalography (EEG) electromyography (EMG) are commonly used. Traditionally employed wet electrodes with conductive gels limited by lengthy skin preparation time allergic reactions. Although dry hydrogel-based can mitigate these issues, their applicability for long-term monitoring is limited. Dry susceptible to motion artifacts, whereas face challenges related water-induced instability. Recently, ionogels eutectogels derived from ionic liquids deep eutectic solvents gained immense popularity due non-volatility, conductivity, thermal stability, tunability. Eutectogels, particular, exhibit superior biocompatibility. These characteristics make them suitable alternatives the development safer, robust, reliable EEG EMG electrodes. However, research specifically focused application signal acquisition remains This article explores electrode requirements material advancements sensing, focus highlighting benefits that offer over conventional materials. It sheds light current limitations materials proposes areas further improvement this field. The potential gel-based achieve seamless interface high-quality electrophysiological emphasized. Leveraging unique properties holds promise future materials, leading improved systems enhanced patient outcomes.

Language: Английский

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Tribological Properties of Blocky Composites with Carbon Nanotubes

International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(7), P. 3938 - 3938

Published: April 1, 2024

A large amount of primary energy is lost due to friction, and the study new additive materials improve friction performance in line with concept low carbon. Carbon nanotubes (CNTs) have advantages drag reduction wear resistance their hollow structure self-lubricating properties. This review investigated mechanism improving properties blocky composites (including polymer, metal, ceramic-based composites) CNTs’ incorporation. The characteristic tubular carbon film make rate coefficient on surface. In addition, effect aggregation interfacial bond strength was analyzed. Within an appropriate concentration range CNTs, exhibit better Based differences different preparation methods, further research directions CNTs been suggested.

Language: Английский

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