Emerging Combination of Hydrogel and Electrochemical Biosensors DOI Open Access
Lingting Huang,

Yuyang Zhou,

Xiaoming Hu

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 16, 2024

Abstract Electrochemical sensors are among the most promising technologies for biomarker research, with outstanding sensitivity, selectivity, and rapid response capabilities that make them important in medical diagnostics prognosis. Recently, hydrogels have gained attention domain of electrochemical biosensors because their superior biocompatibility, excellent adhesion, ability to form conformal contact diverse surfaces. These features provide distinct advantages, particularly advancement wearable biosensors. This review examines contemporary utilization sensing, explores strategies optimization prospective development trajectories, highlights distinctive advantages. The objective is an exhaustive overview foundational principles sensing systems, analyze compatibility hydrogel properties methodologies, propose potential healthcare applications further illustrate applicability. Despite significant advances hydrogel‐based biosensors, challenges persist, such as improving material fatigue resistance, interfacial maintaining balanced water content across various environments. Overall, immense flexible exciting opportunities. However, resolving current obstacles will necessitate additional research efforts.

Language: Английский

Advances in Graphene-Based Electrode for Triboelectric Nanogenerator DOI Creative Commons
Bin Xie,

Yuanhui Guo,

Yun Chen

et al.

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 17(1)

Published: Sept. 27, 2024

Abstract With the continuous development of wearable electronics, wireless sensor networks and other micro-electronic devices, there is an increasingly urgent need for miniature, flexible efficient nanopower generation technology. Triboelectric nanogenerator (TENG) technology can convert small mechanical energy into electricity, which expected to address this problem. As core component TENG, choice electrode materials significantly affects its performance. Traditional metal often suffer from problems such as durability, limits further application TENG. Graphene, a novel material, shows excellent prospects in TENG owing unique structure electrical properties. This review systematically summarizes recent research progress TENGs based on graphene electrodes. Various precision processing methods electrodes are introduced, applications electrode-based various scenarios well enhancement performance discussed. In addition, future also prospectively discussed, aiming promote advancement TENGs.

Language: Английский

Citations

59
Lignocellulose‐Mediated Functionalization of Liquid Metals toward the Frontiers of Multifunctional Materials DOI Open Access
Wei Li,

Liyu Zhu,

Ying Xu

et al.

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

Published: Nov. 21, 2024

Lignocellulose-mediated liquid metal (LM) composites, as emerging functional materials, show tremendous potential for a variety of applications. The abundant hydroxyl, carboxyl, and other polar groups in lignocellulose facilitate the formation strong chemical bonds with LM surfaces, enhancing wettability adhesion improved interface compatibility. Beyond serving supportive matrix, can be tailored to optimize microstructure adapting them diverse This review comprehensively summarizes fundamental principles recent advancements lignocellulose-mediated highlighting advantages composite fabrication, including facile synthesis, versatile interactions, inherent functionalities. Key modulation strategies LMs innovative synthesis methods functionalized composites are discussed. Furthermore, roles structure-performance relationships these electromagnetic shielding, flexible sensors, energy storage devices systematically summarized. Finally, obstacles prospective pertaining thoroughly scrutinized deliberated upon. is expected provide basic guidance researchers boost popularity applications useful references design state-of-the-art LMs.

Language: Английский

Citations

38
Breaking the Saturation of Sensitivity for Ultrawide Range Flexible Pressure Sensors by Soft‐Strain Effect DOI
Yue Li, Weijie Zhang, Cheng Zhao

et al.

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

Published: July 26, 2024

Abstract The flexible pressure sensors with a broad range and unsaturated sensitivity are highly desired in practical applications. However, by piezoresistive effect always limited the compressibility of sensing layers, resulting theoretically decreasing less than 100%. Here, unique strategy is proposed that utilizes strain effect, simultaneously achieving trade‐off between wider detection sensitivity. Ascribed to layers induced interlaced microdomes, possess an increased (5.22–70 MPa −1 ) over ultrawide (45 Pa–4.1 MPa), high‐pressure resolution (5 Pa), fast response/recovery time (30/45 ms), robust response under loading 3.5 for more 5000 cycles. These superior performances allow sensor monitor large pressure. array can assist doctors restoring neutral mechanical axis, tracking knee flexion angles, extracting gait features. Moreover, be integrated into joint motion surveillance system map balance medial–lateral contact forces on metal compartments real time, demonstrating potential further development precise medical human–machine interfaces during total replacement surgery.

Language: Английский

Citations

29
Recent advances in tannic acid-based gels: Design, properties, and applications DOI
Zuwu Tang,

Ilnaz Fargul Chowdhury,

Jinbei Yang

et al.

Advances in Colloid and Interface Science, Journal Year: 2025, Volume and Issue: 339, P. 103425 - 103425

Published: Feb. 15, 2025

Language: Английский

Citations

5
Trends and Advances in Wearable Plasmonic Sensors Utilizing Surface-Enhanced Raman Spectroscopy (SERS): A Comprehensive Review DOI Creative Commons
Svetlana N. Khonina, Nikolay L. Kazanskiy

Sensors, Journal Year: 2025, Volume and Issue: 25(5), P. 1367 - 1367

Published: Feb. 23, 2025

Wearable sensors have appeared as a promising solution for real-time, non-invasive monitoring in diverse fields, including healthcare, environmental sensing, and wearable electronics. Surface-enhanced Raman spectroscopy (SERS)-based leverage the unique properties of SERS, such plasmonic signal enhancement, high molecular specificity, potential single-molecule detection, to detect identify wide range analytes with ultra-high sensitivity selectivity. However, it is important note that utilize various sensing mechanisms, not all rely on SERS technology, their design depends specific application. This comprehensive review highlights recent trends advancements technologies, focusing design, fabrication, integration into practical devices. Key innovations material selection, use nanomaterials flexible substrates, significantly enhanced sensor performance wearability. Moreover, we discuss challenges miniaturization, power consumption, long-term stability, along solutions address these issues. Finally, outlook technologies presented, emphasizing need interdisciplinary research drive next generation smart wearables capable real-time health diagnostics, monitoring, beyond.

Language: Английский

Citations

4
Flexible mechano-optical sensors from mechanoluminescence to mechanoplasmonics: designs, applications, and prospects DOI
Tao Wei,

Yufeng Xue,

Qinhua Hu

et al.

Journal of Materials Chemistry C, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

This review summarizes the mechanisms, developments, and applications of flexible mechano-optical sensors using mechanoluminescence mechanoplasmonics for robust sensing applications, while addressing challenges prospects their integration.

Language: Английский

Citations

3
Tailoring Design of Microneedles for Drug Delivery and Biosensing DOI

Yuexi Lin,

Muamer Dervisevic, Hao Zhe Yoh

et al.

Molecular Pharmaceutics, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 15, 2025

Microneedles (MNs) are emerging as versatile tools for both therapeutic drug delivery and diagnostic monitoring. Unlike hypodermic needles, MNs achieve these applications with minimal or no pain customizable designs, making them suitable personalized medicine. Understanding the key design parameters challenges during contact biofluids is crucial to optimizing their use across applications. This review summarizes current fabrication techniques considerations tailored meet distinct requirements biosensing We further underscore state of theranostic that integrate propose future directions advancing toward clinical use.

Language: Английский

Citations

3
A Simple Physical Kneading Strategy to Prepare an Ultrahigh-Stretchable Conductive Starch/Poly(vinyl alcohol)/Borax/Carbon Nanotube Hydrogel for Flexible Capacitive Electronics DOI

Z. Gu,

Xia Chen, Lihong Xu

et al.

ACS Applied Polymer Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 21, 2025

Language: Английский

Citations

3
Microsecond-Scale Transient Thermal Sensing Enabled by Flexible Mo 1−x W x S 2 Alloys DOI Creative Commons
Weiwei Li,

Lingyan Kong,

Manzhang Xu

et al.

Research, Journal Year: 2024, Volume and Issue: 7

Published: Jan. 1, 2024

Real-time thermal sensing through flexible temperature sensors in extreme environments is critically essential for precisely monitoring chemical reactions, propellant combustions, and metallurgy processes. However, despite their low response speed, most existing related materials will degrade or even lose performances at either high temperatures. Achieving a microsecond time over an ultrawide range remains challenging. Here, we design sensor that employs ultrathin consecutive Mo 1− x W S 2 alloy films constructed via inkjet printing annealing strategy. The elements exhibit broad work (20 to 823 K on polyimide 1,073 mica) record-low (about 30 μs). These properties enable the detect instantaneous variations induced by contact with liquid nitrogen, water droplets, flames. Furthermore, array offers spatial mapping of arbitrary shapes, heat conduction, cold traces under bending deformation. This approach paves way designing unique sensitive transient harsh conditions.

Language: Английский

Citations

13
A Multifunctional Hydrogel with Multimodal Self-Powered Sensing Capability and Stable Direct Current Output for Outdoor Plant Monitoring Systems DOI Creative Commons
Xinge Guo, Luwei Wang, Z.‐H. Jin

et al.

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 17(1)

Published: Nov. 27, 2024

Smart farming with outdoor monitoring systems is critical to address food shortages and sustainability challenges. These facilitate informed decisions that enhance efficiency in broader environmental management. Existing equipped energy harvesters self-powered sensors often struggle fluctuating sources, low durability under harsh conditions, non-transparent or non-biocompatible materials, complex structures. Herein, a multifunctional hydrogel developed, which can fulfill all the above requirements build self-sustainable solely by it. It serve as stable harvester continuously generates direct current output an average power density of 1.9 W m

Language: Английский

Citations

11