Materials-Driven Soft Wearable Bioelectronics for Connected Healthcare

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(2), P. 455 - 553

Published: Jan. 4, 2024

In the era of Internet-of-things, many things can stay connected; however, biological systems, including those necessary for human health, remain unable to connected global Internet due lack soft conformal biosensors. The fundamental challenge lies in fact that electronics and biology are distinct incompatible, as they based on different materials via functioning principles. particular, body is curvilinear, yet typically rigid planar. Recent advances design have generated tremendous opportunities wearable bioelectronics, which may bridge gap, enabling ultimate dream healthcare anyone, anytime, anywhere. We begin with a review historical development healthcare, indicating significant trend healthcare. This followed by focal point discussion about new design, particularly low-dimensional nanomaterials. summarize material types their attributes designing bioelectronic sensors; we also cover synthesis fabrication methods, top-down, bottom-up, combined approaches. Next, discuss energy challenges progress made date. addition front-end devices, describe back-end machine learning algorithms, artificial intelligence, telecommunication, software. Afterward, integration systems been applied various testbeds real-world settings, laboratories preclinical clinical environments. Finally, narrate remaining conjunction our perspectives.

Language: Английский

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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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Recent Advances in In-Memory Computing: Exploring Memristor and Memtransistor Arrays with 2D Materials

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: Feb. 19, 2024

The conventional computing architecture faces substantial challenges, including high latency and energy consumption between memory processing units. In response, in-memory has emerged as a promising alternative architecture, enabling operations within arrays to overcome these limitations. Memristive devices have gained significant attention key components for due their high-density arrays, rapid response times, ability emulate biological synapses. Among devices, two-dimensional (2D) material-based memristor memtransistor particularly candidates next-generation computing, thanks exceptional performance driven by the unique properties of 2D materials, such layered structures, mechanical flexibility, capability form heterojunctions. This review delves into state-of-the-art research on memristive encompassing critical aspects material selection, device metrics, array potential applications. Furthermore, it provides comprehensive overview current challenges limitations associated with along solutions. primary objective this is serve milestone in realizing utilizing materials bridge gap from single-device characterization array-level system-level implementations neuromorphic leveraging devices.

Language: Английский

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New Carbon Materials for Multifunctional Soft Electronics

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: March 16, 2024

Soft electronics are garnering significant attention due to their wide-ranging applications in artificial skin, health monitoring, human-machine interaction, intelligence, and the Internet of Things. Various soft physical sensors such as mechanical sensors, temperature humidity fundamental building blocks for electronics. While fast growth widespread utilization electronic devices have elevated life quality, consequential electromagnetic interference (EMI) radiation pose potential threats device precision human health. Another substantial concern pertains overheating issues that occur during prolonged operation. Therefore, design multifunctional exhibiting excellent capabilities sensing, EMI shielding, thermal management is paramount importance. Because prominent advantages chemical stability, electrical conductivity, easy functionalization, new carbon materials including nanotubes, graphene its derivatives, graphdiyne, sustainable natural-biomass-derived particularly promising candidates This review summarizes latest advancements based on across a range performance aspects, mainly focusing structure or composite design, fabrication method signals management. Furthermore, integration strategies corresponding intriguing highlighted. Finally, this presents prospects aimed at overcoming current barriers advancing development state-of-the-art

Language: Английский

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Optoelectronic Synapses Based on MXene/Violet Phosphorus van der Waals Heterojunctions for Visual-Olfactory Crossmodal Perception

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: Feb. 1, 2024

The crossmodal interaction of different senses, which is an important basis for learning and memory in the human brain, highly desired to be mimicked at device level developing neuromorphic perception, but related researches are scarce. Here, we demonstrate optoelectronic synapse vision-olfactory perception based on MXene/violet phosphorus (VP) van der Waals heterojunctions. Benefiting from efficient separation transport photogenerated carriers facilitated by conductive MXene, photoelectric responsivity VP dramatically enhanced 7 orders magnitude, reaching up 7.7 A W

Language: Английский

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Naturally Crosslinked Biocompatible Carbonaceous Liquid Metal Aqueous Ink Printing Wearable Electronics for Multi-Sensing and Energy Harvesting

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: March 11, 2024

Achieving flexible electronics with comfort and durability comparable to traditional textiles is one of the ultimate pursuits smart wearables. Ink printing desirable for e-textile development using a simple inexpensive process. However, fabricating high-performance atop good dispersity, stability, biocompatibility, wearability high-resolution, large-scale manufacturing, practical applications has remained challenging. Here, water-based multi-walled carbon nanotubes (MWCNTs)-decorated liquid metal (LM) inks are proposed carbonaceous gallium-indium micro-nanostructure. With assistance biopolymers, sodium alginate-encapsulated LM droplets contain high carboxyl groups which non-covalently crosslink silk sericin-mediated MWCNTs. E-textile can be prepared subsequently via technique natural waterproof triboelectric coating, enabling flexibility, hydrophilicity, breathability, wearability, conductivity, excellent versatility, without any artificial chemicals. The obtained used in various designable patterns circuits. Multi-sensing recognizing complex human motions, breathing, phonation, pressure distribution demonstrated repeatable reliable signals. Self-powered energy-harvesting capabilities also presented by driving electronic devices lighting LEDs. As proof concept, this work provides new opportunities scalable sustainable way develop novel wearable clothing future commercial applications.

Language: Английский

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Expanding the Horizons of Machine Learning in Nanomaterials to Chiral Nanostructures

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(18)

Published: Jan. 19, 2024

Abstract Machine learning holds significant research potential in the field of nanotechnology, enabling nanomaterial structure and property predictions, facilitating materials design discovery, reducing need for time‐consuming labor‐intensive experiments simulations. In contrast to their achiral counterparts, application machine chiral nanomaterials is still its infancy, with a limited number publications date. This despite great advance development new sustainable high values optical activity, circularly polarized luminescence, enantioselectivity, as well analysis structural chirality by electron microscopy. this review, an methods used studying provided, subsequently offering guidance on adapting extending work nanomaterials. An overview within framework synthesis–structure–property–application relationships presented insights how leverage study these highly complex are provided. Some key recent reviewed discussed Finally, review captures achievements, ongoing challenges, prospective outlook very important field.

Language: Английский

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Multifunctional Conductive Hydrogel Interface for Bioelectronic Recording and Stimulation

Advanced Healthcare Materials, Journal Year: 2024, Volume and Issue: 13(22)

Published: May 22, 2024

The past few decades have witnessed the rapid advancement and broad applications of flexible bioelectronics, in wearable implantable electronics, brain-computer interfaces, neural science technology, clinical diagnosis, treatment, etc. It is noteworthy that soft elastic conductive hydrogels, owing to their multiple similarities with biological tissues terms mechanics, water-rich, functions, successfully bridged gap between rigid electronics biology. Multifunctional hydrogel emerging as a new generation promising material candidates, authentically established highly compatible reliable, high-quality bioelectronic particularly recording stimulation. This review summarizes basis design principles involved constructing systematically discusses fundamental mechanism unique advantages bioelectrical interfacing surface. Furthermore, an overview state-of-the-art manufacturing strategies for interfaces enhanced biocompatibility integration system presented. finally exemplifies unprecedented impetus toward stimulation, especially integrated systems, concludes perspective expectation bioelectronics biomedical applications.

Language: Английский

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Wearable and Flexible Sensor Devices: Recent Advances in Designs, Fabrication Methods, and Applications

Sensors, Journal Year: 2025, Volume and Issue: 25(5), P. 1377 - 1377

Published: Feb. 24, 2025

The development of wearable sensor devices brings significant benefits to patients by offering real-time healthcare via wireless body area networks (WBANs). These have gained traction due advantageous features, including their lightweight nature, comfortable feel, stretchability, flexibility, low power consumption, and cost-effectiveness. Wearable play a pivotal role in healthcare, defence, sports, health monitoring, disease detection, subject tracking. However, the irregular nature human poses challenge design such systems. This manuscript provides comprehensive review recent advancements flexible smart that can support next generation devices. Further, direct ink writing (DIW) (DW) methods has revolutionised new high-resolution integrated structures, enabling next-generation soft, flexible, stretchable Recognising importance keeping academia industry informed about cutting-edge technology time-efficient fabrication tools, this also thorough overview latest progress various for utilised WBAN evaluation using phantoms. An emerging challenges future research directions is discussed conclusion.

Language: Английский

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Surface Control and Electrical Tuning of MXene Electrode for Flexible Self‐Powered Human–Machine Interaction

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(43)

Published: July 4, 2023

Abstract MXene materials emerge as promising candidates for energy harvesting and storage application. In this study, the effect of surface chemistry on work function MXenes, which determines performance MXene‐based triboelectric nanogenerator (TENG), is elucidated. First‐principles calculations reveal that functional group greatly influences function: OH termination reduces with respect to bare surface, while F Cl increase it. Then, functions are experimentally determined by Kelvin probe force microscopy. The prepared gentle etching at 40 °C 48 h (GE 40/48 ) has largest function. Furthermore, an electron‐cloud potential‐well model established explain mechanism electron emission‐dominated charge transfer assemble a device verify its conclusions. It found GE best 281 V open‐circuit voltage, 9.7 µ A short‐current current, storing 1.019 C charge, consistent model. Last, patterned TENG demonstrated self‐powered human–machine interaction This finding enhances understanding inherent between structure output TENG, can be applied other based 2D materials.

Language: Английский

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