Wearable bioelectronics based on emerging nanomaterials for telehealth applications DOI Creative Commons

Yichong Ren,

Feng Zhang, Zheng Yan

et al.

Device, Journal Year: 2025, Volume and Issue: 3(1), P. 100676 - 100676

Published: Jan. 1, 2025

The bigger pictureNanomaterial-driven, soft wearable electronics hold great promise for continuous monitoring of bio-signals, efficient collection physiological data, and on-demand drug delivery. Wearable electronic devices transducing responses into electrical signals have been used in various telemedicine telediagnosis applications, such as real-time vital signs, blood pressure, body temperature, human motion. Combined with radio frequency (RF) technologies, these can transmit health data be powered wirelessly. In this review, we discuss the recent progress one- two-dimensional nanomaterials their intriguing electrical, biochemical, thermal, mechanical properties that make them suitable applications. Human sensing networks built may enable long-term, multi-physiological monitoring, thus facilitating comprehensive across metrics.SummaryNanomaterial-driven, bioelectronics are transforming by offering skin comfort, biocompatibility, capability remote signals. devices, enabled advanced zero-dimensional (0D), one-dimensional (1D), (2D) nanomaterials, achieved new levels stability reliability, allowing to perform effectively even under dynamic physical conditions. Despite promise, significant challenges remain fabrication, integration, practical deployment nanoscale materials devices. Critical include ensuring durability nanomaterial-based extended wear developing integration strategies support multifunctional modalities. Telemedicine has revolutionized healthcare enabling monitoring. within is a central factor driving breakthrough, enhance sensor sensitivity, durability, multifunctionality. These sensors leverage operating principles tailored specific intraocular pressure electrophysiological signal recording, biochemical marker tracking.Graphical abstract

Language: Английский

Recent Progress on Flexible Capacitive Pressure Sensors: From Design and Materials to Applications DOI
Rishabh Mishra, Nazek El‐Atab, Aftab M. Hussain

et al.

Advanced Materials Technologies, Journal Year: 2021, Volume and Issue: 6(4)

Published: March 5, 2021

Abstract For decades, the revolution in design and fabrication methodology of flexible capacitive pressure sensors using various inorganic/organic materials has significantly enhanced field wearable electronics with a wide range applications aerospace, automobiles, marine environment, robotics, healthcare, consumer/portable electronics. Mathematical modelling, finite element simulations, unique strategies are utilized to fabricate diverse shapes diaphragms, shells, cantilevers which function normal, touch, or double touch modes, operation principles inspired from microelectromechanical systems (MEMS) based sensing techniques. The technique detects changes capacitance due deformation/deflection sensitive mechanical that alters separation gap capacitor. Due advancement state‐of‐the‐art technologies, performance properties enhanced. In this review paper, recent progress techniques terms design, materials, is reported. mechanics steps paper‐based low‐cost MEMS/flexible devices also broadly Lastly, sensors, challenges, future perspectives discussed.

Language: Английский

Citations

291
Power generation for wearable systems DOI
Mingyuan Gao, Ping Wang, Lili Jiang

et al.

Energy & Environmental Science, Journal Year: 2021, Volume and Issue: 14(4), P. 2114 - 2157

Published: Jan. 1, 2021

The mechanisms, figures of merit, and systems for wearable power generation are reviewed in this article. Future perspectives lie breakthrough technologies fiber electronics, fully printable, flexible SoC, IoT-enabled self-awareness systems.

Language: Английский

Citations

255
Imperceptible energy harvesting device and biomedical sensor based on ultraflexible ferroelectric transducers and organic diodes DOI Creative Commons
Andreas Petritz,

Esther Karner‐Petritz,

Takafumi Uemura

et al.

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

Published: April 23, 2021

Abstract Energy autonomy and conformability are essential elements in the next generation of wearable flexible electronics for healthcare, robotics cyber-physical systems. This study presents ferroelectric polymer transducers organic diodes imperceptible sensing energy harvesting systems, which integrated on ultrathin (1-µm) substrates, thus imparting them with excellent flexibility. Simulations show that sensitivity ultraflexible is strongly enhanced by using an substrate, allows mounting 3D-shaped objects stacking multiple layers. Indeed, have improved to strain pressure, fast response mechanical stability, forming wireless e-health patches precise pulse blood pressure monitoring. For biomechanical energy, combined rectifiers based comprising imperceptible, 2.5-µm thin, device peak power density 3 mW·cm −3 .

Language: Английский

Citations

134
Microelectromechanical Systems (MEMS) for Biomedical Applications DOI Creative Commons
Cristina Chircov, Alexandru Mihai Grumezescu

Micromachines, Journal Year: 2022, Volume and Issue: 13(2), P. 164 - 164

Published: Jan. 22, 2022

The significant advancements within the electronics miniaturization field have shifted scientific interest towards a new class of precision devices, namely microelectromechanical systems (MEMS). Specifically, MEMS refers to microscaled devices generally produced through micromachining techniques that combine mechanical and electrical components for fulfilling tasks normally carried out by macroscopic systems. Although their presence is found throughout all aspects daily life, recent years witnessed countless research works involving application biomedical field, especially in drug synthesis delivery, microsurgery, microtherapy, diagnostics prevention, artificial organs, genome sequencing, cell manipulation characterization. Their tremendous potential resides advantages offered reduced size, including ease integration, lightweight, low power consumption, high resonance frequency, possibility integration with or electronic circuits, fabrication costs due mass production, accuracy, sensitivity, throughput. In this context, paper aims provide an overview technology describing main materials manufacturing purposes most common applications, which evolved past years.

Language: Английский

Citations

115
Functionality of Flexible Pressure Sensors in Cardiovascular Health Monitoring: A Review DOI
Suvrajyoti Mishra, Smita Mohanty, Ananthakumar Ramadoss

et al.

ACS Sensors, Journal Year: 2022, Volume and Issue: 7(9), P. 2495 - 2520

Published: Aug. 29, 2022

As the highest percentage of global mortality is caused by several cardiovascular diseases (CVD), maintenance and monitoring a healthy condition have become primary concern each every individual. Simultaneously, recent progress advances in wearable pressure sensor technology provided many pathways to monitor detect underlying illness terms irregularities heart rate, blood pressure, oxygen saturation. These sensors can be comfortably attached onto human skin or implanted on surface vascular grafts for uninterrupted arterial pressure. While traditional systems are time-consuming, expensive, not user-friendly, flexible has emerged as promising dynamic practice collect important health information at comparatively low cost reliable user-friendly way. This Review explores importance necessity while emphasizing role patients' conditions avoid adverse effects. A comprehensive discussion current research along with real-time impact accessibility developed applications been provided.

Language: Английский

Citations

83
Flexible Pressure Sensors in Human–Machine Interface Applications DOI

Chengsheng Xu,

Jing Chen,

Zhengfang Zhu

et al.

Small, Journal Year: 2023, Volume and Issue: 20(15)

Published: Nov. 27, 2023

Abstract Flexible sensors are highly flexible, malleable, and capable of adapting todifferent shapes, surfaces, environments, which opens a wide range ofpotential applications in the field human‐machine interface (HMI). Inparticular, flexible pressure as crucial member flexiblesensor family, widely used wearable devices, health monitoringinstruments, robots other fields because they can achieve accuratemeasurement convert into electrical signals. The mostintuitive feeling that bring to people is change ofhuman‐machine interaction, from previous rigid interaction suchas keyboard mouse such smart gloves, more inline with people's natural control habits. Many advanced pressuresensors have emerged through extensive research development, adaptto various application. Researchers been seeking enhanceperformance improving materials, sensingmechanisms, fabrication methods, microstructures. This paper reviews HMI recent years, mainlyincluding following aspects: current cutting‐edge pressuresensors; sensing mechanisms, substrate materials active materials; sensorfabrication, performances, their optimization methods; flexiblepressure for prospects.

Language: Английский

Citations

49
Revolutionizing digital healthcare networks with wearable strain sensors using sustainable fibers DOI Creative Commons
Junze Zhang, Bingang Xu,

Kaili Chen

et al.

SusMat, Journal Year: 2024, Volume and Issue: 4(4)

Published: May 29, 2024

Abstract Wearable strain sensors have attracted research interest owing to their potential within digital healthcare, offering smarter tracking, efficient diagnostics, and lower costs. Unlike rigid sensors, fiber‐based ones compete with flexibility, durability, adaptability body structures as well eco‐friendliness environment. Here, the sustainable wearable for health are reviewed, material, fabrication, practical healthcare aspects explored. Typical predicated on various sensing modalities, be it resistive, capacitive, piezoelectric, or triboelectric, explained analyzed according strengths weaknesses toward fabrication applications. The applications in spanning from area networks, intelligent management, medical rehabilitation multifunctional systems also evaluated. Moreover, create a more complete network, wired wireless methods of data collection examples machine learning elaborated detail. Finally, prevailing challenges prospective insights into advancement novel fibers, enhancement precision wearability, establishment seamlessly integrated critically summarized offered. This endeavor not only encapsulates present landscape but lays foundation future breakthroughs sensor technology domain health.

Language: Английский

Citations

18
Wearable biosensors for cardiovascular monitoring leveraging nanomaterials DOI
Xuxu Chen, Farid Manshaii,

Karley Tioran

et al.

Advanced Composites and Hybrid Materials, Journal Year: 2024, Volume and Issue: 7(3)

Published: May 27, 2024

Language: Английский

Citations

16
A Comprehensive Review on Fabrication and Structural Design of Polymer Composites for Wearable Pressure Sensors DOI Creative Commons
Kangqi Chang, Chao Zhang, Tianxi Liu

et al.

Polymer science & technology., Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 5, 2025

Language: Английский

Citations

4
Spatiotemporal Measurement of Arterial Pulse Waves Enabled by Wearable Active-Matrix Pressure Sensor Arrays DOI
Sanghoon Baek, Youngoh Lee,

Jin-Hyeok Baek

et al.

ACS Nano, Journal Year: 2021, Volume and Issue: 16(1), P. 368 - 377

Published: Dec. 15, 2021

Wearable pressure sensors have demonstrated great potential in detecting pulse waves on the skin for noninvasive and continuous diagnosis of cardiac conditions. However, difficulties lie positioning conventional single-point an invisible arterial line, thereby preventing detection adequate signal amplitude accurate wave analysis. Herein, we introduce spatiotemporal measurements using wearable active-matrix to obtain optimal waveforms. We fabricate thin-film transistor (TFT) arrays with high yield uniformity inkjet printing where array sizes can be customizable integrate them highly sensitive piezoresistive sheets. maximize sensitivity (16.8 kPa-1) achieve low power consumption (101 nW) simultaneously by strategically modulating TFT operation voltage. The sensor creates a map wrist. presents positional dependence amplitudes, which allows line accurately extract augmentation index, parameter assessing stiffness. device overcomes inaccuracy sensors, therefore, it used medical applications such as catheter injection or cardiovascular disease daily life.

Language: Английский

Citations

95