Symmetry engineering in 2D bioelectronics facilitating augmented biosensing interfaces DOI Creative Commons
Yizhang Wu, Yihan Liu, Yuan Li

et al.

Proceedings of the National Academy of Sciences, Journal Year: 2024, Volume and Issue: 121(48)

Published: Nov. 18, 2024

Symmetry lies at the heart of two-dimensional (2D) bioelectronics, determining material properties fundamental level. Breaking symmetry allows emergent functionalities and effects. However, modulation in 2D bioelectronics resultant applications have been largely overlooked. Here, we devise an oxidized architectural MXene, referred to as MXene (OXene), that couples orbit symmetric breaking with inverse entitle optimized interfacial impedance Schottky-induced piezoelectric The resulting OXene validates ranging from microelectrode arrays, gait analysis, active transistor matrix, wireless signaling transmission, which enables high-fidelity signal transmission reconfigurable logic gates. Furthermore, interfaces were investigated both rodent porcine myocardium, featuring high-quality spatiotemporally resolved physiological recordings, while accurate differentiated predictions, enabled via various machine learning pipelines.

Language: Английский

Integrated Fibrous Iontronic Pressure Sensors with High Sensitivity and Reliability for Human Plantar Pressure and Gait Analysis DOI
Wendong Li,

Kangkang Zou,

Junwei Guo

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(22), P. 14672 - 14684

Published: May 17, 2024

Flexible sensing systems (FSSs) designed to measure plantar pressure can deliver instantaneous feedback on human movement and posture. This is crucial not only for preventing controlling diseases associated with abnormal pressures but also optimizing athletes' postures minimize injuries. The development of an optimal sensor hinges key metrics such as a wide range, high sensitivity, long-term stability. However, the effectiveness current flexible sensors impeded by numerous challenges, including limitations in structural deformability, mechanical incompatibility between multifunctional layers, instability under complex stress conditions. Addressing these limitations, we have engineered integrated system sensitivity reliability gait analysis. It features high-modulus, porous laminated ionic fiber structure robust self-bonded interfaces, utilizing unified polyimide material system. showcases (156.6 kPa–1), extensive range (up 4000 kPa), augmented interfacial toughness durability (over 150,000 cycles). Additionally, our FSS capable real-time monitoring distribution across various sports activities. Leveraging deep learning, achieves high-precision, intelligent recognition different types 99.8% accuracy rate. approach provides strategic advancement field sensors, ensuring prolonged stability even amidst dynamics providing feasible solution

Language: Английский

Citations

34
Damping Supramolecular Elastomer for Steady Hypothermic Sensing DOI
Song Ma,

Haofei Qie,

Xin Yang

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 24, 2025

Abstract Flexible temperature sensors often use gels to achieve skin‐inspired softness, but the water evaporation and freezing of hydrogel leakage ionogel, cause unstable signal transmission inaccurate measurement at sub‐zero temperatures. Here steady hypothermic sensing is achieved by designing a supramolecular elastomer containing two types segments: liquid‐free iontronic segment transmit electrical charges prevent ion leakage, neutral with pendant chains damp vibration for stable transmission. The exhibits excellent tensile properties, adhesiveness, self‐healing, ionic conductivity A wireless system fabricated based on supermolecule elastomer, realizing accurate, steady, sensitive real‐time detection. Especially, sensor coefficient resistance (TCR) 8.87% °C −1 from −20 −15 °C, three five times higher than that most flexible sensors. There no significant difference in detected this an infrared thermal imaging camera. Such represents step toward highly accurate cold chain transportation beyond.

Language: Английский

Citations

4
Wearable and implantable biosensors: mechanisms and applications in closed-loop therapeutic systems DOI Creative Commons
Zeyuan Zheng,

Runjin Zhu,

Ian Peng

et al.

Journal of Materials Chemistry B, Journal Year: 2024, Volume and Issue: 12(35), P. 8577 - 8604

Published: Jan. 1, 2024

Biosensors integrated into closed-loop systems provide patient-specific adaptive therapies. These advanced devices have significant potential for managing chronic conditions by continuously adjusting therapeutic regimens based on physiological data.

Language: Английский

Citations

16
Nanofluidic Ionic Memristors DOI
Guoheng Xu,

Miliang Zhang,

Tingting Mei

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: unknown

Published: July 18, 2024

Living organisms use ions and small molecules as information carriers to communicate with the external environment at ultralow power consumption. Inspired by biological systems, artificial ion-based devices have emerged in recent years try realize efficient information-processing paradigms. Nanofluidic ionic memristors, memory resistors based on confined fluidic systems whose internal conductance states depend historical voltage, attracted broad attention are used neuromorphic for computing. Despite their high exposure, nanofluidic memristors still initial stage. Therefore, systematic guidance developing reasonably designing is necessary. This review systematically summarizes history, mechanisms, potential applications of memristors. The essential challenges field outlook future also discussed.

Language: Английский

Citations

13
Filiform Papillae‐Inspired Wearable Pressure Sensor with High Sensitivity and Wide Detection Range DOI
Gang Li, Yurong Zhang, Xiaolong Zhang

et al.

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

Published: Oct. 28, 2024

Abstract Flexible pressure sensor (FPS) has promising applications in fields like health monitoring and human–machine interactions. The achieving of both high sensitivity wide detection range FPS remains highly challenging. Here, inspired by the filiform papillae on cat tongue, a (noted as p ) with up to 504.5 kPa −1 , from 30 Pa 350 kPa, fast response time 83 ms, stability over 8000 cycles is developed. papilla‐like structure continuously shifts location stress concentration under increasing pressure, which avoids accumulation at tips, resulting range. Moreover, demonstrates capabilities human physiological signals movement status can serve human‐machine interaction interface. work not only presents wearable but also establishes design strategy for high‐performance bioelectronics.

Language: Английский

Citations

11
Bionic Recognition Technologies Inspired by Biological Mechanosensory Systems DOI Open Access
Xiangxiang Zhang, Chang-Guang Wang, Xin Pi

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 21, 2025

Abstract Mechanical information is a medium for perceptual interaction and health monitoring of organisms or intelligent mechanical equipment, including force, vibration, sound, flow. Researchers are increasingly deploying recognition technologies (MIRT) that integrate acquisition, pre‐processing, processing functions expected to enable advanced applications. However, this also poses significant challenges acquisition performance efficiency. The novel exciting mechanosensory systems in nature have inspired us develop superior bionic (MIBRT) based on materials, structures, devices address these challenges. Herein, first strategies pre‐processing presented their importance high‐performance highlighted. Subsequently, design considerations sensors by mechanoreceptors described. Then, the concepts neuromorphic summarized order replicate biological nervous system. Additionally, ability MIBRT investigated recognize basic information. Furthermore, further potential applications robots, healthcare, virtual reality explored with view solve range complex tasks. Finally, future opportunities identified from multiple perspectives.

Language: Английский

Citations

2
Morphological-engineering-based capacitive tactile sensors DOI Creative Commons
Hongsen Niu, Hao Li, Ning Li

et al.

Applied Physics Reviews, Journal Year: 2025, Volume and Issue: 12(1)

Published: Feb. 12, 2025

Capacitive tactile sensors have garnered significant attention due to their simple structure, temperature independence, and wide applicability. However, with the continuous evolution of intellectualization process, developing that can compare or even surpass sensing ability human skin remains a challenge. Consequently, various strategies aimed at enhancing performance emerged, introduction morphological structures into active layer being most effective. In light this, capacitive based on structure designs gained favor among researchers, gradually forming “hundred schools thought contend” trend. Nevertheless, processes applicability yet form complete system, development intelligence morphological-engineering-based reached bottleneck stage, requiring comprehensive systematic review provide inspiration for breakthroughs. This delves deeply impact device provides overview applicability, advantages, disadvantages fabrication technologies derived from these structures. Finally, progress in advanced intelligent systems is summarized, challenges prospects faced this emerging field are envisioned.

Language: Английский

Citations

2
Lignin-optimized MXene/foam pressure sensors with high-sensitivity and robust sunlight sterilization DOI

Jizu Ma,

Wenzheng Wang, Peng Yu

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 162311 - 162311

Published: April 1, 2025

Language: Английский

Citations

2
Toward next-generation wearable sensors based on MXene hydrogels DOI

Qinglong He,

Chendong Zhao,

Hao Chen

et al.

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(38), P. 25622 - 25642

Published: Jan. 1, 2024

Here in this review, we systematically analyze the design principles of MXene hydrogels for next-generation wearable sensors. Emphasis is placed on multiple sensors based electrical/mechanical enhancement hydrogel network.

Language: Английский

Citations

8
Non-hygroscopic ionogel-based humidity-insensitive iontronic sensor arrays for intra-articular pressure sensing DOI Creative Commons
Junli Shi, Sai Xie, Zhiguang Liu

et al.

National Science Review, Journal Year: 2024, Volume and Issue: 11(11)

Published: Oct. 3, 2024

ABSTRACT Implanted pressure sensors can provide information to assess localized health conditions of specific tissues or organs, such as the intra-articular within knee joints. However, prerequisites for implanted pose greater challenges than those wearables robots: aside from biocompatibility and tissue-like softness, they must also exhibit humidity insensitivity high-pressure resolution across a broad spectrum. Iontronic superior sensing properties, but undergo property degradation in wet environments due hygroscopic nature their active component: ionogels. Herein, we introduce humidity-insensitive iontronic sensor array based on hydrophobic tough ionogel polymerized hydrophobicity transition yielding two phases: soft liquid-rich phase that enhances ionic conductivity ductility, stiff polymer-rich contributes toughness. We demonstrate vivo implantation these arrays monitor real-time distribution sheep model, while assessing flexion with an angular 0.1° 0.1%. anticipate this will find applications various orthopedic surgeries implantable medical devices.

Language: Английский

Citations

7