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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Electronic Textiles for Wearable Point-of-Care Systems

Chemical Reviews, Год журнала: 2021, Номер 122(3), С. 3259 - 3291

Опубликована: Дек. 23, 2021

Traditional public health systems are suffering from limited, delayed, and inefficient medical services, especially when confronted with the pandemic aging population. Fusing traditional textiles diagnostic, therapeutic, protective devices can unlock electronic (e-textiles) as point-of-care platform technologies on human body, continuously monitoring vital signs implementing round-the-clock treatment protocols in close proximity to patient. This review comprehensively summarizes research advances e-textiles for wearable systems. We start a brief introduction emphasize significance of current healthcare system. Then, we describe textile sensors diagnosis, therapeutic treatment, prevention, by highlighting their working mechanisms, representative materials, clinical application scenarios. Afterward, detail e-textiles' connection gateway real-time data transmission processing context 5G Internet Things. Finally, provide new insights into remaining challenges future directions field e-textiles. Fueled chemistry materials science, textile-based diagnostic devices, communication units expected interact synergistically construct intelligent, platforms, ultimately illuminating system Things era.

Язык: Английский

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Wearable and flexible electrochemical sensors for sweat analysis: a review

Microsystems & Nanoengineering, Год журнала: 2023, Номер 9(1)

Опубликована: Янв. 1, 2023

Abstract Flexible wearable sweat sensors allow continuous, real-time, noninvasive detection of analytes, provide insight into human physiology at the molecular level, and have received significant attention for their promising applications in personalized health monitoring. Electrochemical are best choice due to high performance, low cost, miniaturization, wide applicability. Recent developments soft microfluidics, multiplexed biosensing, energy harvesting devices, materials advanced compatibility electrochemical sweat-sensing platforms. In this review, we summarize potential medical methods stimulation collection. This paper provides an overview components recent power supply technologies highlights some typical sensing platforms different types analytes. Finally, ends with a discussion challenges view prospective development exciting field.

Язык: Английский

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Ambulatory Cardiovascular Monitoring Via a Machine‐Learning‐Assisted Textile Triboelectric Sensor

Advanced Materials, Год журнала: 2021, Номер 33(41)

Опубликована: Авг. 31, 2021

Abstract Wearable bioelectronics for continuous and reliable pulse wave monitoring against body motion perspiration remains a great challenge highly desired. Here, low‐cost, lightweight, mechanically durable textile triboelectric sensor that can convert subtle skin deformation caused by arterial pulsatility into electricity high‐fidelity waveform in an ambulatory sweaty setting is developed. The holds signal‐to‐noise ratio of 23.3 dB, response time 40 ms, sensitivity 0.21 µA kPa −1 . With the assistance machine learning algorithms, continuously precisely measure systolic diastolic pressure, accuracy validated via commercial blood pressure cuff at hospital. Additionally, customized cellphone application (APP) based on built‐in algorithm developed one‐click health data sharing data‐driven cardiovascular diagnosis. enabled wireless biomonitoring system expected to offer practical paradigm personalized characterization era Internet Things.

Язык: Английский

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Promoting smart cities into the 5G era with multi-field Internet of Things (IoT) applications powered with advanced mechanical energy harvesters

Nano Energy, Год журнала: 2021, Номер 88, С. 106304 - 106304

Опубликована: Июль 4, 2021

Язык: Английский

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High-performance piezoelectric composites via β phase programming

Nature Communications, Год журнала: 2022, Номер 13(1)

Опубликована: Авг. 18, 2022

Polymer-ceramic piezoelectric composites, combining high piezoelectricity and mechanical flexibility, have attracted increasing interest in both academia industry. However, their activity is largely limited by intrinsically low crystallinity weak spontaneous polarization. Here, we propose a Ti3C2Tx MXene anchoring method to manipulate the intermolecular interactions within all-trans conformation of polymer matrix. Employing phase-field simulation molecular dynamics calculations, show that OH surface terminations on nanosheets offer hydrogen bonding with fluoropolymer matrix, leading dipole alignment enhanced net polarization polymer-ceramic composites. We then translated this interfacial strategy into electrospinning boost response samarium doped Pb (Mg1/3Nb2/3)O3-PbTiO3/polyvinylidene fluoride composite nanofibers 160% via inclusion. With excellent attributes, as-electrospun can be easily integrated conventional shoe insoles form foot sensor network for all-around gait patterns monitoring, walking habits identification Metatarsalgi prognosis. This work utilizes coupling mechanism as develop high-performance composites wearable electronics.

Язык: Английский

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Piezoelectric fiber composites with polydopamine interfacial layer for self-powered wearable biomonitoring

Nano Energy, Год журнала: 2021, Номер 89, С. 106321 - 106321

Опубликована: Июль 7, 2021

Язык: Английский

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Triboelectric Nanogenerator Enabled Wearable Sensors and Electronics for Sustainable Internet of Things Integrated Green Earth

Advanced Energy Materials, Год журнала: 2022, Номер 13(1)

Опубликована: Ноя. 18, 2022

Abstract The advancement of the Internet Things/5G infrastructure requires a low‐cost ubiquitous sensory network to realize an autonomous system for information collection and processing, aiming at diversified applications ranging from healthcare, smart home, industry 4.0 environmental monitoring. triboelectric nanogenerator (TENG) is considered most promising technology due its self‐powered, cost‐effective, highly customizable advantages. Through use wearable electronic devices, advanced TENG developed as core enabling self‐powered sensors, power supplies, data communications aforementioned applications. In this review, advancements TENG‐based electronics regarding materials, material/device hybridization, systems integration, convergence, in environment monitoring, transportation, homes toward future green earth are reported.

Язык: Английский

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Sensing–transducing coupled piezoelectric textiles for self-powered humidity detection and wearable biomonitoring

Materials Horizons, Год журнала: 2023, Номер 10(3), С. 842 - 851

Опубликована: Янв. 1, 2023

The performance of chemical sensors is dominated by the perception target molecules via sensitive materials and conduction sensing signals through transducers. However, transduction are spatially temporally independent in most sensors, which poses a challenge for device miniaturization integration. Herein, we proposed sensing-transducing coupled strategy embedding high piezoresponse Sm-PMN-PT ceramic (d33 = ∼1500 pC N-1) into moisture-sensitive polyetherimide (PEI) polymer matrix electrospinning to conjugate humidity signal synchronously sympatrically. Through phase-field simulation experimental characterization, reveal principle design composition topological structure piezoelectric (STP) textiles order modulate recognition, conversion, component utilization ratio prepared active achieving sensitivity (0.9%/RH%) fast response (20 s) toward ambient moisture. STP textile can be worn on human body realize emotion exercise status monitoring, physiological stress identification. This work offers unprecedented insights coupling mechanism between chemisorption-related interfacial state energy conversion efficiency opens up new paradigm developing autonomous, multifunctional highly flexible sensors.

Язык: Английский

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Progress of flexible strain sensors for physiological signal monitoring

Biosensors and Bioelectronics, Год журнала: 2022, Номер 211, С. 114298 - 114298

Опубликована: Апрель 23, 2022

Язык: Английский

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