Materials Horizons, Journal Year: 2024, Volume and Issue: 11(22), P. 5600 - 5613
Published: Jan. 1, 2024
Nanofibrous hydrogel composites with exceptional mechanical, electrical, and anti-swelling properties, enabling amphibious motion sensing, underwater communication, biological monitoring.
Language: Английский
Advanced Composites and Hybrid Materials, Journal Year: 2025, Volume and Issue: 8(1)
Published: Jan. 20, 2025
Language: Английский
Citations
2
Sensors, Journal Year: 2023, Volume and Issue: 23(22), P. 9047 - 9047
Published: Nov. 8, 2023
In recent years, marked progress has been made in wearable technology for human motion and posture recognition the areas of assisted training, medical health, VR/AR, etc. This paper systematically reviews status quo sensing systems capture from three aspects, which are monitoring indicators, sensors, system design. particular, it summarizes indicators closely related to changes, such as trunk, joints, limbs, analyzes detail types, numbers, locations, installation methods, advantages disadvantages sensors different systems. Finally, is concluded that future research this area will emphasize accuracy, data security, wearing comfort, durability. review provides a reference development capture.
Language: Английский
Citations
29
Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 483, P. 149344 - 149344
Published: Feb. 5, 2024
Language: Английский
Citations
13
Soft Science, Journal Year: 2024, Volume and Issue: 4(2)
Published: May 14, 2024
The skin, a vital medium for human-environment communication, stands as an indispensable and pivotal element in the realms of both production daily life. As landscape science technology undergoes gradual evolution demand seamless human-machine interfaces continues to surge, escalating need emerges counterpart our biological skin - electronic skins (e-skins). Achieving high-performance sensing capabilities comparable has consistently posed formidable challenge. In this article, we systematically outline fundamental strategies enabling e-skins with including strain sensing, pressure shear temperature humidity self-healing. Subsequently, complex e-skin systems current major applications were briefly introduced. We conclude by envisioning future trajectory, anticipating continued advancements transformative innovations shaping dynamic technology. This article provides profound insight into state e-skins, potentially inspiring scholars explore new possibilities.
Language: Английский
Citations
9
Small, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 23, 2025
Abstract As skin bioelectronics advances, hydrogel wearable devices have broadened perspectives in environment sensing and health monitoring. However, their application is severely hampered by poor mechanical self‐healing properties, environmental sensitivity, limited sensory functions. Herein, inspired the hierarchical structure unique cross‐linking mechanism of hagfish slime, a self‐powered supramolecular hereby reported, featuring high stretchability (>2800% strain), ultrafast autonomous capabilities (electrical healing time: 0.3 s), self‐adhesiveness (adhesion strength: 6.92 kPa), injectability, ease shaping, antimicrobial biocompatibility. It observed that embedding with highly hygroscopic salt LiCl hydrogel, not only showed excellent electrical conductivity but also presented favorable anti‐freezing water retention properties extremely cold environments natural settings. Given these attributes, served as multifunctional durable device sensitivity (gauge factor: 3.68), fast response time (160 ms), low detection limit, frequency sensitivity. Moreover, applicability this further demonstrated long‐term sensing, remote medical communication, underwater communication. Overall, findings pave way for sustainable development hydrogel‐based are self‐powered, durable, offer performance, adaptability, multi‐sensory capabilities.
Language: Английский
Citations
1
Progress in Polymer Science, Journal Year: 2025, Volume and Issue: unknown, P. 101929 - 101929
Published: Jan. 1, 2025
Language: Английский
Citations
1
Small Structures, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 2, 2025
Engineering tissue‐like hydrogels with tailored mechanical properties and matching water contents is essential for biomimetic organ platforms in both ex vivo biomedical applications. Achieving this goal particularly challenging due to the need a green, straightforward, universally applicable approach mimic various tissues specific hydrogels. Herein, universal physical one‐step directional anneal‐casting strategy anisotropic evaporation presented produce hierarchical poly(vinyl alcohol) hydrogel tunable Young's modulus (≈0.13–77.2 MPa) wide range. As typical example, ultimate stress, toughness, fracture energy, fatigue threshold of strong tough can be up 31.8 MPa, 45.7 MJ m −3 , 568.6 kJ −2 407.8 J at ≈208% strain controllable content (≈20–80%) without compromising their toughness. Integral our capability localized control within same unit, allowing distinct functional characteristics different regions hydrogel. Furthermore, versatility extends other systems, such as polyacrylamide alginate, broadening its applicability fields bioelectronics engineering, including development physiological signal acquisition devices artificial implantable electronic ligaments.
Language: Английский
Citations
1
Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown
Published: March 10, 2025
Abstract Nanomaterial‐based stretchable electronics composed of conductive nanomaterials in elastomer can seamlessly integrate with human skin to imperceptibly capture electrophysiological signals. Despite the use transfer printing form embedded structures, it remains challenging facilely and stably thin, low‐modulus, adhesive elastomers. Here, a facile‐yet‐simple laser‐induced graphene (LIG)‐assisted patterning method is demonstrated patterned silver nanowires onto an ultra‐low modulus silicone as ultra‐conformal epidermal electrodes. The resulting thin electrodes ≈50 µm exhibit low sheet resistance (0.781 Ω sq −1 ), tissue‐like Young's (0.53 MPa), strong self‐adhesion, excellent breathability. breathable dynamically conformed contact impedance allow for long‐term, high‐fidelity monitoring signals complex environments (even during exercise heavy sweating). Moreover, LIG‐assisted provide robust interface establish stable connection between soft rigid hardware. large‐scale fabrication further provides eight‐channel electromyography system combined deep learning algorithm gesture classification recognition remarkable accuracy (95.4%). results from this study also design guidelines methods next‐generation long‐term dynamic health monitoring, prosthetic control, human‐robot collaborations.
Language: Английский
Citations
1
Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown
Published: March 3, 2025
Abstract Hydrogels, which mimic the properties of natural tissues, are essential for flexible electronics in human‐machine interfaces (HMIs). However, traditional hydrogels suffer from dehydration, compromising stability and functionality. To address this issue, a stratum corneum‐inspired, water‐retaining hydrogel is developed using hygroscopic polymers bound water. Three types hydrophilic monomers (non‐ionic, mono‐ionic, zwitterionic) explored, with polyzwitterions, particularly N,N‐dimethyl (acrylamidopropyl) ammonium propane sulfonate (DMAAPS), forming quasi‐hydrogel that retains softness flexibility conventional hydrogels. Water acts as plasticizer, enhancing polymer chain mobility reducing stiffness. The DMAAPS maintains 100% weight retention under specific humidity conditions shows skin‐like across wide range. Young's modulus increases 54 to 118 kPa relative decreases 80% 40%. absence free water confers intrinsic anti‐freezing properties. A triple crosslinking mechanism conductive endow stretchability (> 2000%), toughness, elasticity, self‐healing, stable sensing capabilities. functions an excellent sensor real‐time, sensitive detection human motion physiological signals. An intelligent handwriting recognition platform high accuracy also established double‐channel signal collection machine learning algorithms, offering insights next‐generation durable, biomimetic, smart HMIs.
Language: Английский
Citations
1
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown
Published: Sept. 6, 2024
Abstract Flexible hydrogel film sensors have great advantages as human–machine interfaces for conformal contact with bio‐tissues, but suffer from weakness and dehydration, compromising flexibility performance. Here, a breathable, highly stretchable, anti‐dehydrating ultrathin organohydrogel skin‐attachable strain sensor long‐term motion monitoring is developed. An electrospun TPU (eTPU) nanomesh hidden strength used skeleton to host in situ free radical polymerization of 2‐acrylamido‐2‐methyl propane sulfonic acid (AMPS) acrylamide (AAm) form an interpenetrating double network glycerol water solvent. Extensive hydrogen bonding between eTPU P(AMPS‐ co ‐AAm) yields (≈200 µm) synergetic deformation energy dissipation upon stretching, leading record‐high stretchability up 920%, fracture toughness 20.14 MJ m −3 , 10 000 J −2 robustness over 4000 notched stretching cylcles 50% strain. The binary glycerol/water solvent imparts excellent anti‐dehydration at room temperature d, stable sensory performance −20 60 °C. With high vapor transmission rate 1.3 kg d −1 the ensures comfortable skin continuous knee flexion throughout day signals. These are promising wearable applications.
Language: Английский
Citations
8