Introductory Review of Soft Implantable Bioelectronics Using Conductive and Functional Hydrogels and Hydrogel Nanocomposites DOI Creative Commons

San Kim,

Y. H. Shin,

Jae Won Han

et al.

Gels, Journal Year: 2024, Volume and Issue: 10(10), P. 614 - 614

Published: Sept. 25, 2024

Interfaces between implantable bioelectrodes and tissues provide critical insights into the biological pathological conditions of targeted organs, aiding diagnosis treatment. While conventional bioelectronics, made from rigid materials like metals silicon, have been essential for recording signals delivering electric stimulation, they face limitations due to mechanical mismatch devices soft tissues. Recently, focus has shifted toward conductive materials, such as hydrogels hydrogel nanocomposites, known their tissue-like softness, biocompatibility, potential functionalization. This review introduces these provides an overview recent advances in nanocomposites electronics. It covers material strategies hydrogels, including both intrinsically explores key functionalization techniques biodegradation, bioadhesiveness, injectability, self-healing. Practical applications electronics are also highlighted, showcasing effectiveness real-world scenarios. Finally, we discuss emerging technologies future needs chronically offering evolving landscape this field.

Language: Английский

Design Strategies and Emerging Applications of Conductive Hydrogels in Wearable Sensing DOI Creative Commons
Yingchun Li, Shaozhe Tan,

X Y Zhang

et al.

Gels, Journal Year: 2025, Volume and Issue: 11(4), P. 258 - 258

Published: April 1, 2025

Conductive hydrogels, integrating high conductivity, mechanical flexibility, and biocompatibility, have emerged as crucial materials driving the evolution of next-generation wearable sensors. Their unique ability to establish seamless interfaces with biological tissues enables real-time acquisition physiological signals, external stimuli, even therapeutic feedback, paving way for intelligent health monitoring personalized medical interventions. To fully harness their potential, significant efforts been dedicated tailoring conductive networks, properties, environmental stability these hydrogels through rational design systematic optimization. This review comprehensively summarizes strategies categorized into metal-based, carbon-based, polymer-based, ionic, hybrid systems. For each type, highlights structural principles, conductivity enhancement, approaches simultaneously enhance robustness long-term under complex environments. Furthermore, emerging applications in sensing systems are thoroughly discussed, covering signal monitoring, mechano-responsive platforms, closed-loop diagnostic–therapeutic Finally, this identifies key challenges offers future perspectives guide development multifunctional, intelligent, scalable hydrogel sensors, accelerating translation advanced flexible electronics smart healthcare technologies.

Language: Английский

Citations

0
Recent advancements and perspectives in conductive hydrogel-based flexible all-in-one supercapacitors DOI
Hui Fang Song, Cheng Huang, B. Zheng

et al.

Journal of Power Sources, Journal Year: 2025, Volume and Issue: 641, P. 236902 - 236902

Published: April 2, 2025

Language: Английский

Citations

0
Ways forward with conductive hydrogels: Classifications, properties, and applications in flexible electronic and energy gadgets DOI
Weilin Zhang, Hongjian Zhang, Hyunseung Kim

et al.

Materials Science and Engineering R Reports, Journal Year: 2025, Volume and Issue: 163, P. 100923 - 100923

Published: Jan. 8, 2025

Language: Английский

Citations

0
A bibliometric analysis of hydrogel research in various fields: the trends and evolution of hydrogel application DOI Creative Commons

Zhong-Zhu Yuan,

Fan Yang,

Sheng Cheng

et al.

Journal of Nanobiotechnology, Journal Year: 2025, Volume and Issue: 23(1)

Published: Jan. 31, 2025

Hydrogel, a polymer material with three-dimensional structure, has considerably expanded in research across multiple fields lately. However, the lack of comprehensive review integrating status hydrogel diverse hindered development hydrogel. This bibliometric analysis reviewed hydrogel-related over past decades, emphasizing evolution, status, and future directions within multitude fields, such as materials science, chemistry, engineering, physics, biochemistry molecular biology, pharmacology pharmacy, cell biotechnology applied microbiology, etc. We encapsulated applications potential wound healing, drug delivery, encapsulation, bioprinting, tissue electronic products, environment applications, disease treatment. study integrated current matrix system characteristics hydrogels, aiming to offer cross-field reference for researchers promote advancement research. Furthermore, we proposed novel reproducible paradigm, which can provide more trends trajectory field.

Language: Английский

Citations

0
Bioinspired Super‐Robust Conductive Hydrogels for Machine Learning‐Assisted Tactile Perception System DOI Open Access
Chao Xue,

Yanran Zhao,

Yuantai Liao

et al.

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

Published: Feb. 3, 2025

Conductive hydrogels have attracted significant attention due to exceptional flexibility, electrochemical property, and biocompatibility. However, the low mechanical strength can compromise their stability under high stress, making material susceptible fracture in complex or harsh environments. Achieving a balance between conductivity robustness remains critical challenge. In this study, super-robust conductive were designed developed with highly oriented structures densified networks, by employing techniques such as stretch-drying-induced directional assembly, salting-out, ionic crosslinking. The showed remarkable property (tensile strength: 17.13-142.1 MPa; toughness: 50 MJ m- 3), (30.1 S m-1), reliable strain sensing performance. Additionally, it applied hydrogel fabricate biomimetic electronic skin device, significantly improving signal quality device stability. By integrating 1D convolutional neural network algorithm, further real-time recognition system based on triboelectric piezoresistive collection, achieving classification accuracy of up 99.79% across eight materials. This study predicted potential high-performance for various applications flexible smart wearables, Internet Things, bioelectronics, bionic robotics.

Language: Английский

Citations

0
Advances in conducting nanocomposite hydrogels for wearable biomonitoring DOI
Arpita Roy, Ronak Afshari, Saumya Jain

et al.

Chemical Society Reviews, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Recent advancements in wearable biosensors and bioelectronics highlight biocompatible conducting nanocomposite hydrogels as key components for personalized health devices soft electronics.

Language: Английский

Citations

0
Skin-like Heterogeneous and Self-Healing Conductive Hydrogel toward Ultrasensitive Marine Sensing DOI
Yanan Liu,

Jiehan Lin,

Junjie Wei

et al.

ACS Sensors, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 25, 2025

Flexible wearable electronic devices based on hydrophobic, conductive hydrogels have attracted widespread attention in the field of underwater sensing. However, traditional homogeneous tend to compromise their conductivity and sensing performance when achieving hydrophobicity, high complexity marine environments further reduces service life. Here, we develop a seawater-resistant hydrogel with ultrahigh sensitivity self-healing ability by introduction skin-like heterogeneous structure, consisting hydrophobic outer layer that protects against seawater internal senses. Based structure obtained through surface modification confined nitrogen-alkylation reaction, simultaneously achieves satisfying resistance (contact angle 123.2°), ionic (2.86 S m–1), excellent (GF = 6.15), harmonizing contradiction between water hydrogels. In addition, abundant hydrogen-bonding dipole–dipole interactions endow an outstanding ability, exhibiting high-efficiency behavior seawater. Underwater strain sensors constructed can be used for detecting human motion simulated real-time signal transmission, showcasing great potential as field.

Language: Английский

Citations

0
Artificial Flexible Closed‐Loop Tactile Systems DOI Open Access
Jianfeng Gu, Huihui Wang, Donghui Li

et al.

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

Published: March 6, 2025

Abstract Tactility allows humans to quickly perceive external stimuli and respond accordingly. It plays a crucial role in human–environment interaction. Mimicking the human closed‐loop tactile system with artificial electronic devices has profound implications for prosthetics intelligent robots. Highly flexible wearable emerge as promising platforms building systems. Among them, hydrogel skins textiles make significant advancements owing their excellent tissue compatibility, mechanical properties, conductivity, multifunctionality. Nowadays, they can function sensors monitor or actuators mimic trigger muscle movement. In addition, advanced signal analysis units are integrated enable interpret collected signals. This review explores key intrinsic properties of hydrogels functional fibers evaluates feasibility developing The continuous development systems not only facilitate in‐depth integration intelligence sensory but also exert positive influence on numerous fields such medicine, scientific research, industrial manufacturing.

Language: Английский

Citations

0
A Low-Cost Hydrogel Electrode for Multifunctional Sensing: Strain, Temperature, and Electrophysiology DOI Creative Commons
Junjie Zheng, Jinli Zhou, Yixin Zhao

et al.

Biosensors, Journal Year: 2025, Volume and Issue: 15(3), P. 177 - 177

Published: March 11, 2025

With the rapid development of wearable technology, multifunctional sensors have demonstrated immense application potential. However, limitations traditional rigid materials restrict flexibility and widespread adoption such sensors. Hydrogels, as flexible materials, provide an effective solution to this challenge due their excellent stretchability, biocompatibility, adaptability. This study developed a sensor based on composite hydrogel polyvinyl alcohol (PVA) sodium alginate (SA), using poly(3,4-ethylenedioxythiophene)/polystyrene sulfonate (PEDOT:PSS) conductive material achieve detection strain, temperature, physiological signals. The features simple fabrication process, low cost, impedance. Experimental results show that prepared exhibits outstanding mechanical properties conductivity, with strength 118.8 kPa, elongation 334%, conductivity 256 mS/m. In strain sensing, demonstrates response minor strains (4%), high sensitivity (gauge factors 0.39 for 0–120% 0.73 120–200% ranges), short time (2.2 s), hysteresis, cyclic stability (over 500 cycles). For temperature achieves sensitivities −27.43 Ω/K (resistance mode) 0.729 mV/K (voltage mode), along stable performance across varying ranges. Furthermore, has been successfully applied monitor human motion (e.g., finger bending, wrist movement) signals electrocardiogram (ECG), electromyogram (EMG), electroencephalogram (EEG), highlighting its significant potential in health monitoring. By employing efficient method, presents high-performance sensor, offering novel insights technical support advancement devices.

Language: Английский

Citations

0
Wearable Hydrogels for Personal Protection Applications DOI Open Access
Yaru Li, Xueyan Hu, Xue Jin

et al.

Macromolecular Rapid Communications, Journal Year: 2025, Volume and Issue: unknown

Published: March 26, 2025

As the Internet of Things and artificial intelligence technologies have advanced, wearable technology has attracted significant attention from academia industry. Hydrogel already received much as an emerging candidate material for devices due to its unique 3D network structure, excellent biocompatibility, soft stretchability. It is aimed here provide a comprehensive overview development hydrogels applications. Here, synthetic methods currently employed in are reviewed first, including physical crosslinking, chemical multiple crosslinking. Then, strategies optimizing performance summarized perspectives mechanical properties, electrical thermal other characteristics such self-healing, self-adhesion. The final section discusses latest advances application personal protection, current shortcomings challenges. it innovative insights further this field by summarizing research hotspots cutting-edge issues hydrogels.

Language: Английский

Citations

0