Significance of Flexible Substrates for Wearable and Implantable Devices: Recent Advances and Perspectives DOI
Muhammad Hassan, Ghulam Abbas, Ning Li

et al.

Advanced Materials Technologies, Journal Year: 2021, Volume and Issue: 7(3)

Published: Nov. 2, 2021

Abstract In the past decade, flexible electronics have attracted significant research attention due to their distinct features and emerging applications in numerous fields such as, displays, implantable sensors, energy storage systems, among other applications. Due development of electronics, this paper details substrates employed produce electronic devices, given that generally govern overall device properties. The increase can be attributed use films as substrates, which enable implementation design strategies engineering methodologies, thus leading extensive advances manufacturing quality prospect various This provides a comprehensive review significance wearable over substrate properties requirements, processing classification, important applications, including sensing, storage, devices.

Language: Английский

MXene hydrogels: fundamentals and applications DOI Creative Commons
Yizhou Zhang, Jehad K. El‐Demellawi, Qiu Jiang

et al.

Chemical Society Reviews, Journal Year: 2020, Volume and Issue: 49(20), P. 7229 - 7251

Published: Jan. 1, 2020

Hydrogels have recently garnered tremendous interest due to their potential application in soft electronics, human-machine interfaces, sensors, actuators, and flexible energy storage. Benefiting from impressive combination of hydrophilicity, metallic conductivity, high aspect ratio morphology, widely tuneable properties, when two-dimensional (2D) transition metal carbides/nitrides (MXenes) are incorporated into hydrogel systems, they offer exciting versatile platforms for the design MXene-based materials with tunable application-specific properties. The intriguing and, some cases, unique properties MXene hydrogels governed by complex gel structures gelation mechanisms, which require in-depth investigation engineering at nanoscale. On other hand, formulation MXenes can significantly increase stability MXenes, is often limiting factor many applications. Moreover, through simple treatments, derivatives hydrogels, such as aerogels, be obtained, further expanding versatility. This tutorial review intends show enormous range both well increasing performance devices. We elucidate existing various MXene-containing systems along mechanisms interconnecting driving forces. then discuss distinctive stemming integration revealed an enhanced performance, compared either or alone, applications (energy storage/harvesting, biomedicine, catalysis, electromagnetic interference shielding, sensing).

Language: Английский

Citations

554

Biofuel-powered soft electronic skin with multiplexed and wireless sensing for human-machine interfaces DOI Open Access
You Yu, Joanna M. Nassar, Changhao Xu

et al.

Science Robotics, Journal Year: 2020, Volume and Issue: 5(41)

Published: April 15, 2020

A flexible and fully biofuel-powered electronic skin enables continuous, multiplexed, multimodal wireless sensing.

Language: Английский

Citations

533

Artificial multimodal receptors based on ion relaxation dynamics DOI
Insang You, David G. Mackanic, Naoji Matsuhisa

et al.

Science, Journal Year: 2020, Volume and Issue: 370(6519), P. 961 - 965

Published: Nov. 20, 2020

Human skin has different types of tactile receptors that can distinguish various mechanical stimuli from temperature. We present a deformable artificial multimodal ionic receptor differentiate thermal and information without signal interference. Two variables are derived the analysis ion relaxation dynamics: charge time as strain-insensitive intrinsic variable to measure absolute temperature normalized capacitance temperature-insensitive extrinsic strain. The with simple electrode-electrolyte-electrode structure simultaneously detects strain by measuring at only two measurement frequencies. human skin-like array, called ion-electronic (IEM-skin), provides real-time force directions profiles in motions (shear, pinch, spread, torsion, so on).

Language: Английский

Citations

482

Advances in healthcare wearable devices DOI Creative Commons
Sheikh Muhammad Asher Iqbal, Imad Mahgoub, E Du

et al.

npj Flexible Electronics, Journal Year: 2021, Volume and Issue: 5(1)

Published: April 12, 2021

Wearable devices have found numerous applications in healthcare ranging from physiological diseases, such as cardiovascular hypertension and muscle disorders to neurocognitive disorders, Parkinson’s disease, Alzheimer’s disease other psychological diseases. Different types of wearables are used for this purpose, example, skin-based including tattoo-based wearables, textile-based biofluidic-based wearables. Recently, also shown encouraging improvements a drug delivery system; therefore, enhancing its utility towards personalized healthcare. These contain inherent challenges, which need be addressed before their commercialization fully system. This paper reviews different wearable currently being the field. It highlights efficacy monitoring diseases (HWDs) diagnostic treatment purposes. Additionally, current challenges limitations these field along with future perspectives reviewed.

Language: Английский

Citations

466

Resilient yet entirely degradable gelatin-based biogels for soft robots and electronics DOI
Melanie Baumgartner, Florian Hartmann, Michael Drack

et al.

Nature Materials, Journal Year: 2020, Volume and Issue: 19(10), P. 1102 - 1109

Published: June 15, 2020

Language: Английский

Citations

408

Disruptive, Soft, Wearable Sensors DOI
Yunzhi Ling, Tiance An, Lim Wei Yap

et al.

Advanced Materials, Journal Year: 2019, Volume and Issue: 32(18)

Published: Nov. 13, 2019

Abstract The wearable industry is on the rise, with a myriad of technical applications ranging from real‐time health monitoring, Internet Things, and robotics, to name but few. However, there saying “wearable not wearable” because current market‐available sensors are largely bulky rigid, leading uncomfortable wearing experience, motion artefacts, poor data accuracy. This has aroused world‐wide intensive research quest for novel materials, aim fabricating next‐generation ultra‐lightweight soft devices. Such disruptive second‐skin‐like biosensing technologies may enable paradigm shift 1.0 future 2.0 products. Here, state‐of‐the‐art progress made in key phases technology, namely, wear → sense communicate analyze interpret decide, summarized. Without doubt, materials innovation key, which main focus discussion. In addition, emphasis also given energy, multicomponent integration, wireless communication.

Language: Английский

Citations

402

Artificial Skin Perception DOI
Ming Wang, Yifei Luo, Ting Wang

et al.

Advanced Materials, Journal Year: 2020, Volume and Issue: 33(19)

Published: Sept. 15, 2020

Abstract Skin is the largest organ, with functionalities of protection, regulation, and sensation. The emulation human skin via flexible stretchable electronics gives rise to electronic (e‐skin), which has realized artificial sensation other functions that cannot be achieved by conventional electronics. To date, tremendous progress been made in data acquisition transmission for e‐skin systems, while implementation perception within is, sensory processing, still its infancy. Integrating functionality into a sensing system, namely perception, critical endow current systems higher intelligence. Here, recent design fabrication devices summarized, challenges prospects are discussed. strategies implementing utilize either silicon‐based circuits or novel computing such as memristive synaptic transistors, enable surpass skin, distributed, low‐latency, energy‐efficient information‐processing ability. In future, would new enabling technology construct next‐generation intelligent advanced applications, robotic surgery, rehabilitation, prosthetics.

Language: Английский

Citations

358

Flexible self-charging power sources DOI
Ruiyuan Liu, Zhong Lin Wang, Kenjiro Fukuda

et al.

Nature Reviews Materials, Journal Year: 2022, Volume and Issue: 7(11), P. 870 - 886

Published: May 12, 2022

Language: Английский

Citations

352

The Era of Digital Health: A Review of Portable and Wearable Affinity Biosensors DOI
Jiaobing Tu, Rebeca M. Torrente‐Rodríguez, Minqiang Wang

et al.

Advanced Functional Materials, Journal Year: 2019, Volume and Issue: 30(29)

Published: Nov. 14, 2019

Abstract Digital health facilitated by wearable/portable electronics and big data analytics holds great potential in empowering patients with real‐time diagnostics tools information. The detection of a majority biomarkers at trace levels body fluids using mobile (mHealth) devices requires bioaffinity sensors that rely on “bioreceptors” for specific recognition. Portable point‐of‐care testing (POCT) have demonstrated their broad utility diverse applications ranging from monitoring to disease diagnosis management. In addition, flexible stretchable electronics‐enabled wearable platforms emerged the past decade as an interesting approach ambulatory collection data. Herein, technological advancements mHealth evolved laboratory assays portable POCT devices, electronics, are synthesized. involved recognition events affinity biosensors enabled bioreceptors (e.g., antibodies, DNAs, aptamers, molecularly imprinted polymers) discussed along transduction mechanisms electrochemical optical) system‐level integration technologies. Finally, outlook field is provided key bottlenecks overcome identified, order achieve new sensing paradigm platforms.

Language: Английский

Citations

314

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

300