Coordination/salting-out synergistic construction of multifunctional PVA/chitosan conductive organohydrogel as strain and bioelectrical sensors

Polymer, Год журнала: 2024, Номер 298, С. 126889 - 126889

Опубликована: Март 9, 2024

Язык: Английский

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MXene Crosslinked Hydrogels with Low Hysteresis Conferred by Sliding Tangle Island Strategy

Small, Год журнала: 2024, Номер 20(35)

Опубликована: Апрель 29, 2024

Single-network hydrogels are often too fragile to withstand mechanical loading, whereas double-network typically exhibit significant hysteresis during cyclic stretching-releasing process due the presence of a sacrificial network. Consequently, it is considerable challenge for designing that both low in and high toughness applications requiring dynamic loads. Herein, study introduced novel "sliding tangle island" strategy creating tough low-hysteresis hydrogels, which prepared through situ polymerization highly concentrated acrylamides (AM) form numerous entanglements within MXene spacing without any chemical crosslinker. The entangled with long polyacrylamide (PAM) chains island served as relay station transmit stress neighboring molecular chains. This mechanism helps alleviate concentration enhances energy dissipation efficiency, thereby reducing hysteresis. resulting hydrogel exhibited exceptional properties, including stretchability (≈900%), (less than 7%), (1.34 MJ m

Язык: Английский

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A multifunctional conductive organohydrogel as a flexible sensor for synchronous real-time monitoring of traumatic wounds and pro-healing process

Chemical Engineering Journal, Год журнала: 2024, Номер 489, С. 151419 - 151419

Опубликована: Апрель 17, 2024

Язык: Английский

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Highly ammonia-sensitive triboelectric materials enabled by gas-sensing enhancement effect

Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 160466 - 160466

Опубликована: Фев. 1, 2025

Язык: Английский

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Progress of Research on Conductive Hydrogels in Flexible Wearable Sensors

Gels, Год журнала: 2024, Номер 10(2), С. 144 - 144

Опубликована: Фев. 14, 2024

Conductive hydrogels, characterized by their excellent conductivity and flexibility, have attracted widespread attention research in the field of flexible wearable sensors. This paper reviews application progress, related challenges, future prospects conductive hydrogels Initially, basic properties classifications are introduced. Subsequently, this discusses detail specific applications different sensor applications, such as motion detection, medical diagnostics, electronic skin, human–computer interactions. Finally, challenges summarized. Overall, exceptional performance multifunctionality make them one most important materials for technologies. However, further innovation needed to overcome faced realize wider

Язык: Английский

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Recyclable Bimodal Polyvinyl Alcohol/PEDOT:PSS Hydrogel Sensors for Highly Sensitive Strain and Temperature Sensing

ACS Applied Materials & Interfaces, Год журнала: 2024, Номер 16(25), С. 32466 - 32480

Опубликована: Июнь 12, 2024

Multimodal flexible sensors, consisting of multiple sensing units, can sense and recognize different external stimuli by outputting types response signals. However, the recovery recycling multimodal sensors are impeded complex structures use materials. Here, a bimodal sensor that strain resistance change temperature voltage was constructed using poly(vinyl alcohol) hydrogel as matrix poly(3,4-ethylenedioxythiophene)/poly(styrenesulfonate) (PEDOT:PSS) material due to its conductivity thermoelectric effect. The plasticity hydrogels, along with simplicity sensor's components structure, facilitates easy recycling. incorporation citric acid ethylene glycol improved mechanical properties, hysteresis, antifreezing properties hydrogels. exhibits remarkable strain, characterized high sensitivity (gauge factor 4.46), low detection limit (0.1%), fast times, minimal excellent stability. Temperature changes induced hot air currents, objects, light cause exhibit sensitivity, time, good Additionally, variations in ambient humidity minimally affect response, remains unaffected changes. recycled essentially unchanged for temperature. Finally, applied monitor body motion, robots stimuli.

Язык: Английский

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Extraction and incorporation of cellulose microfibers from textile wastes into MXene-enhanced PVA-borax hydrogel for multifunctional wearable sensors

International Journal of Biological Macromolecules, Год журнала: 2025, Номер 295, С. 139640 - 139640

Опубликована: Янв. 7, 2025

Язык: Английский

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High-performance, breathable, and degradable fully cellulose-based sensor for multifunctional human activity monitoring

Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 159564 - 159564

Опубликована: Янв. 1, 2025

Язык: Английский

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Hydrogel Strain Sensors for Integrating Into Dynamic Organ‐on‐a‐Chip

Small, Год журнала: 2025, Номер unknown

Опубликована: Янв. 23, 2025

Abstract Current hydrogel strain sensors have never been integrated into dynamic organ‐on‐a‐chip (OOC) due to the lack of sensitivity in aqueous cell culture systems. To enhance sensing performance, a novel sensor is presented which MXene layer coated on bottom surface pre‐stretched anti‐swelling substrate di‐acrylated Pluronic F127 (F127‐DA) and chitosan (CS) for isolation from top surface. The fabricated display high (gauge factor 290.96), wide range (0–100%), repeatability. demonstrate its application, alveolar epithelial cells are cultivated forming barriers, then lung‐on‐a‐chip (LOC) This system can sensitively monitor normal physiological breathing, pathological inflammation stimulated by lipopolysaccharide (LPS), alleviated through drug intervention.

Язык: Английский

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A nanocomposite hydrogel loaded with Ag nanoparticles reduced by aloe vera polysaccharides as an antimicrobial multifunctional sensor

International Journal of Biological Macromolecules, Год журнала: 2024, Номер 267, С. 131541 - 131541

Опубликована: Апрель 11, 2024

Язык: Английский

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