Technology Roadmap for Flexible Sensors

ACS Nano, Год журнала: 2023, Номер 17(6), С. 5211 - 5295

Опубликована: Март 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.

Язык: Английский

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Piezoelectric nanogenerators for personalized healthcare

Chemical Society Reviews, Год журнала: 2022, Номер 51(9), С. 3380 - 3435

Опубликована: Янв. 1, 2022

Piezoelectric nanogenerators are becoming a compelling bioelectronics platform technology for human-associated energy harvesting, self-powered sensing, and therapeutics, which will largely contribute to the medical field in era of Internet things.

Язык: Английский

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Advanced Fiber Materials for Wearable Electronics

Advanced Fiber Materials, Год журнала: 2022, Номер 5(1), С. 12 - 35

Опубликована: Окт. 13, 2022

Abstract Fiber materials are highly desirable for wearable electronics that expected to be flexible and stretchable. Compared with rigid planar electronic devices, fiber-based provide significant advantages in terms of flexibility, stretchability breathability, they considered as the pioneers new generation soft wearables. The convergence textile science, engineering nanotechnology has made it feasible build functions on fibers maintain them during wear. Over last few years, fiber-shaped desired designability integration features have been intensively explored developed. As an indispensable part cornerstone great significance. Herein, research progress advanced fiber is reviewed, which mainly includes various material preparations, fabrication technologies representative studies different applications. Finally, key challenges future directions examined along analysis possible solutions. Graphical abstract

Язык: Английский

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Skin bioelectronics towards long-term, continuous health monitoring

Chemical Society Reviews, Год журнала: 2022, Номер 51(9), С. 3759 - 3793

Опубликована: Янв. 1, 2022

Skin bioelectronics are considered as an ideal platform for personalised healthcare because of their unique characteristics, such thinness, light weight, good biocompatibility, excellent mechanical robustness, and great skin conformability. Recent advances in skin-interfaced have promoted various applications precision medicine. Particularly, long-term, continuous health monitoring offer powerful analysis a broad spectrum statuses, providing route to early disease diagnosis treatment. In this review, we discuss (1) representative sensing devices, (2) material structure selection, device properties, wireless technologies towards monitoring, (3) applications: acquisition electrophysiological, biophysical, biochemical signals, comprehensive (4) rational guidelines the design future monitoring. Long-term, advanced will open unprecedented opportunities timely prevention, screening, diagnosis, treatment, demonstrating promise revolutionise traditional medical practices.

Язык: Английский

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Kirigami‐Inspired Pressure Sensors for Wearable Dynamic Cardiovascular Monitoring

Advanced Materials, Год журнала: 2022, Номер 34(36)

Опубликована: Июнь 29, 2022

Continuously and accurately monitoring pulse-wave signals is critical to prevent diagnose cardiovascular diseases. However, existing wearable pulse sensors are vulnerable motion artifacts due the lack of proper adhesion conformal interface with human skin during body movement. Here, a highly sensitive pressure sensor inspired by kirigami structure developed measure wave on different artery sites under various prestressing conditions even COMSOL multiphysical field coupling simulation experimental testing used verify unique advantages structure. The device shows superior sensitivity (35.2 mV Pa-1 ) remarkable stability (>84 000 cycles). Toward practical applications, wireless system for wirelessly transmitting mobile phone in real-time, which successfully distinguished waveforms from participants. measured as accurate those provided commercial medical device. Given compelling features, provides an ascendant way electronics overcome when signals, thus representing solid advancement toward personalized healthcare era Internet Things.

Язык: Английский

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A Deep‐Learning‐Assisted On‐Mask Sensor Network for Adaptive Respiratory Monitoring

Advanced Materials, Год журнала: 2022, Номер 34(24)

Опубликована: Март 20, 2022

Wearable respiratory monitoring is a fast, non-invasive, and convenient approach to provide early recognition of human health abnormalities like restrictive obstructive lung diseases. Here, computational fluid dynamics assisted on-mask sensor network reported, which can overcome different user facial contours environmental interferences collect highly accurate signals. Inspired by cribellate silk, Rayleigh-instability-induced spindle-knot fibers are knitted for the fabrication permeable moisture-proof textile triboelectric sensors that hold decent signal-to-noise ratio 51.2 dB, response time 0.28 s, sensitivity 0.46 V kPa-1 . With assistance deep learning, realize respiration pattern with classification accuracy up 100%, showing great improvement over single sensor. Additionally, customized user-friendly cellphone application developed connect processed signals real-time data-driven diagnosis one-click data sharing clinicians. The deep-learning-assisted opens new avenue personalized management in era Internet Things.

Язык: Английский

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Wearable sensors for telehealth based on emerging materials and nanoarchitectonics

npj Flexible Electronics, Год журнала: 2023, Номер 7(1)

Опубликована: Июнь 2, 2023

Abstract Wearable sensors have made significant progress in sensing physiological and biochemical markers for telehealth. By monitoring vital signs like body temperature, arterial oxygen saturation, breath rate, wearable provide enormous potential the early detection of diseases. In recent years, advancements been achieved development based on two-dimensional (2D) materials with flexibility, excellent mechanical stability, high sensitivity, accuracy introducing a new approach to remote real-time health monitoring. this review, we outline 2D materials-based biosensors system. The review focused five types sensors, which were classified according their mechanism, such as pressure, strain, electrochemical, optoelectronic, temperature sensors. material capabilities impact performance operation sensor are outlined. fundamental principles mechanism well applications explored. This concludes by discussing remaining obstacles future opportunities emerging telehealth field. We hope that report will be useful individuals who want design it generate ideas.

Язык: Английский

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Monitoring blood pressure and cardiac function without positioning via a deep learning–assisted strain sensor array

Science Advances, Год журнала: 2023, Номер 9(32)

Опубликована: Авг. 11, 2023

Continuous and reliable monitoring of blood pressure cardiac function is great importance for diagnosing preventing cardiovascular diseases. However, existing approaches are bulky costly, limiting their wide applications early diagnosis. Here, we developed an intelligent system based on a conformal flexible strain sensor array deep learning neural networks. The has variety advantages, including high sensitivity, linearity, fast response recovery, isotropy. Experiments simulation synergistically verified that the can acquire high-precise feature-rich pulse waves from wrist without precise positioning. By combining high-quality with well-trained model, monitor parameters. As proof concept, further constructed wearable real-time long-term function, which may contribute to personalized health management, diagnosis, remote treatment.

Язык: Английский

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Advances in Wearable Strain Sensors Based on Electrospun Fibers

Advanced Functional Materials, Год журнала: 2023, Номер 33(18)

Опубликована: Фев. 25, 2023

Abstract Wearable strain sensors with the ability of detecting physiological activities play an important role in personalized healthcare. Electrospun fibers have become a popular building block for wearable due to their excellent mechanical properties, breathability, and light weight. In this review, structure preparation process electrospun conductive layer are systematically introduced. The impact materials structures on following discussion sensing performance optimization strategies is outlined. Furthermore, applications fiber‐based biomonitoring, motion detection, human‐machine interaction presented. Finally, challenges promising future directions community based pointed out.

Язык: Английский

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Wearable Hybrid Device Capable of Interactive Perception with Pressure Sensing and Visualization

Advanced Functional Materials, Год журнала: 2022, Номер 32(44)

Опубликована: Авг. 7, 2022

Abstract A wearable interactive device that can synchronously detect and visualize pressure, stimuli will supplement easily identifiable in situ signals with conventional sensing outputs only electronic signals. Currently, most devices are composed of physically connected separate pressure sensors display elements, which do not conform to the development miniaturization high integration. The realization combining these two functions one a simplified configuration is still beginning be explored. Inspired by two‐in‐one response octopus, both sense stimuli, an integrated hybrid based on ionic electrochromic proposed for perception. By efficiently reusing electrodes gel, enables quantitative direct color changing pressure. Benefiting from its excellent comprehensive performance, applications explored verified, including perception information, hiding visual information under regulation, repeated writing erasing flexible boards. Notably, multiple customized systems improved design flexibility implemented provide remote monitoring warning behavioral states physiological parameters. This study diversifies solutions realize link between detection visualization.

Язык: Английский

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