Artificial Intelligence Meets Flexible Sensors: Emerging Smart Flexible Sensing Systems Driven by Machine Learning and Artificial Synapses

Nano-Micro Letters, Journal Year: 2023, Volume and Issue: 16(1)

Published: Nov. 13, 2023

The recent wave of the artificial intelligence (AI) revolution has aroused unprecedented interest in intelligentialize human society. As an essential component that bridges physical world and digital signals, flexible sensors are evolving from a single sensing element to smarter system, which is capable highly efficient acquisition, analysis, even perception vast, multifaceted data. While challenging manual perspective, development intelligent been remarkably facilitated owing rapid advances brain-inspired AI innovations both algorithm (machine learning) framework (artificial synapses) level. This review presents progress emerging AI-driven, systems. basic concept machine learning synapses introduced. new enabling features induced by fusion comprehensively reviewed, significantly applications such as sensory systems, soft/humanoid robotics, activity monitoring. two most profound twenty-first century, deep incorporation technology holds tremendous potential for creating beings.

Language: Английский

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Artificial intelligence enhanced sensors - enabling technologies to next-generation healthcare and biomedical platform

Bioelectronic Medicine, Journal Year: 2023, Volume and Issue: 9(1)

Published: Aug. 2, 2023

The fourth industrial revolution has led to the development and application of health monitoring sensors that are characterized by digitalization intelligence. These have extensive applications in medical care, personal management, elderly sports, other fields, providing people with more convenient real-time services. However, these face limitations such as noise drift, difficulty extracting useful information from large amounts data, lack feedback or control signals. artificial intelligence provided powerful tools algorithms for data processing analysis, enabling intelligent monitoring, achieving high-precision predictions decisions. By integrating Internet Things, intelligence, sensors, it becomes possible realize a closed-loop system functions collection, online diagnosis, treatment recommendations. This review focuses on healthcare enhanced technologies aspects materials, device structure, integration, scenarios. Specifically, this first introduces great advances wearable respiration rate, heart pulse, sweat, tears; implantable cardiovascular nerve signal acquisition, neurotransmitter monitoring; soft electronics precise therapy. Then, recent volatile organic compound detection highlighted. Next, current developments human-machine interfaces, AI-enhanced multimode self-sustainable systems reviewed. Last, perspective future directions further research is also provided. In summary, fusion will provide intelligent, convenient, secure services next-generation biomedical applications.

Language: Английский

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Thermoelectrics and thermocells for fire warning applications

Science Bulletin, Journal Year: 2023, Volume and Issue: 68(24), P. 3261 - 3277

Published: Sept. 1, 2023

Language: Английский

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Metal–Organic Framework Coated Devices for Gas Sensing

ACS Sensors, Journal Year: 2023, Volume and Issue: 8(7), P. 2471 - 2492

Published: June 27, 2023

The demand for monitoring chemical and physical information surrounding, air quality, disease diagnosis has propelled the development of devices gas sensing that are capable translating external stimuli into detectable signals. Metal–organic frameworks (MOFs), possessing particular physiochemical properties with designability in topology, specific surface area, pore size and/or geometry, potential functionalization, host–guest interactions, reveal excellent promises manufacturing a variety MOF-coated multitudinous applications including sensing. past years have witnessed tremendous progress on preparation sensors superior performance, especially high sensitivity selectivity. Although limited reviews summarized different transduction mechanisms sensors, summarizing latest under working principles would be good complement. Herein, we summarize advances several classes MOF-based sensing, i.e., chemiresistive capacitors, field-effect transistors (FETs) or Kelvin probes (KPs), electrochemical, quartz crystal microbalance (QCM)-based sensors. chemistry structural characteristics were carefully associated behaviors relevant Finally, challenges future prospects long-term potentially practical application pointed out.

Language: Английский

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Hierarchical porous triboelectric aerogels enabled by heterointerface engineering

Nano Energy, Journal Year: 2023, Volume and Issue: 121, P. 109223 - 109223

Published: Dec. 21, 2023

Language: Английский

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Ultrathin two-dimensional materials: New opportunities and challenges in ultra-sensitive gas sensing

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 505, P. 215691 - 215691

Published: Jan. 31, 2024

Language: Английский

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Advances in Respiratory Monitoring: A Comprehensive Review of Wearable and Remote Technologies

Biosensors, Journal Year: 2024, Volume and Issue: 14(2), P. 90 - 90

Published: Feb. 6, 2024

This article explores the importance of wearable and remote technologies in healthcare. The focus highlights its potential continuous monitoring, examines specificity issue, offers a view proactive Our research describes wide range device types scientific methodologies, starting from traditional chest belts to their modern alternatives cutting-edge bioamplifiers that distinguish breathing impedance variations. We also investigated innovative such as monitoring thorax micromovements based on principles seismocardiography, ballistocardiography, camera recordings, deployment integrated optical fibers, or extraction respiration cardiovascular variables. review is extended include acoustic methods breath blood gas analysis, providing comprehensive overview different approaches respiratory monitoring. topic with electronics currently center attention researchers, which reflected by growing number publications. In our manuscript, we offer an most interesting ones.

Language: Английский

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Wireless Gas Sensor Based on the Mesoporous ZnO–SnO₂ Heterostructure Enables Ultrasensitive and Rapid Detection of 3-Methylbutyraldehyde

ACS Sensors, Journal Year: 2024, Volume and Issue: 9(5), P. 2585 - 2595

Published: April 20, 2024

Achieving ultrasensitive and rapid detection of 3-methylbutyraldehyde is crucial for monitoring chemical intermediate leakage in pharmaceutical industries as well diagnosing ventilator-associated pneumonia by exhaled gas. However, developing a sensitive method detecting poses challenges. Herein, wireless chemiresistive gas sensor based on mesoporous ZnO–SnO2 heterostructure fabricated to enable the first time. The exhibits uniform spherical shape (∼79 nm diameter), high specific surface area (54.8 m2 g–1), small crystal size (∼4 nm), large pore (6.7 nm). demonstrates response (18.98@20 ppm), short response/recovery times (13/13 s), low limit (0.48 ppm) toward 3-methylbutyraldehyde. Furthermore, real-time system developed utilizing microelectromechanical systems sensors. modification amorphous ZnO SnO2 wall can effectively increase chemisorbed oxygen content thickness electron depletion layer at gas–solid interface, which facilitates interface redox reaction enhances sensing performance. This work presents an initial example semiconductor metal oxide sensors efficient that holds great potential ensuring safety during production disease diagnosis.

Language: Английский

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Design and Synthesis of Parallel Bicomponent Heterojunction Nanofibers as Flexible Room-Temperature Sensors for Ppb-Level NO₂ Detection

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(5), P. 4989 - 4997

Published: Feb. 15, 2024

Enhancing the stability and selectivity of flexible room-temperature gas sensors has been extensive concern for their practical application. However, it is very challenging to combine integration excellent mechanical flexibility outstanding sensing properties. This study presents design a parallel structure ZnO//In2O3 bicomponent nanofibers using homemade V-type dual-channel electrospinning technique. Compared with as-electrospinning pure ZnO In2O3 nanofibers, ZnO//In2O3-2 composite showed higher response low detection line NO2 at room temperature. The have maximum high 109.84 60 ppm temperature, which about 8.44 times than that nanofibers. Moreover, theoretical limit determined be 1.99 ppb. We investigated sensor potential These findings indicate nanofiber hold great prospect in application portable ppb equipment.

Language: Английский

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Ultrasensitive and Exclusive Chemiresistors with a ZIF-67-Derived Oxide Cage/Nanofiber Co₃O₄/In₂O₃ Heterostructure for Acetone Detection

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(7), P. 9126 - 9136

Published: Feb. 7, 2024

Gas sensors for acetone detection have received considerable attention because has a significant influence on both the environment and human health, e.g., it is flammable toxic may be related to blood glucose levels. However, achieving high sensitivity selectivity at low concentrations still great challenge date. Here, we report unique chemiresistive gas sensor detection, which composed of In2O3 nanofibers loaded with porous Co-based zeolitic imidazolate framework (ZIF-67)-derived Co3O4 cage prepared by simple electrospinning solvothermal methods. The ZIF-67-derived oxide cage/nanofiber Co3O4/In2O3 heterostructure abundant reversible active adsorption/reaction sites type-I heterojunction, resulting in an ultrasensitive response 954–50 ppm 300 °C. In addition, demonstrates limit 18.8 ppb, fast time 4 s, good repeatability, acceptable humidity interference, long-term stability. With such excellent sensing performance acetone, our could potentially applied environmental monitoring early diagnosis diabetes.

Language: Английский

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