Carboxyl carbon nanotubes strengthened tailorable chitosan imprinted polymers for selective adsorption of dibenzothiophene in hydrogenated diesel

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 157044 - 157044

Published: Oct. 1, 2024

Language: Английский

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Nanocomposite Multi-Cross-Linked Hydrogels with High Strength, High Stretchability and High Conductivity for Multifunctional Wearable Sensors

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

Published: Jan. 2, 2025

Conductive hydrogels have gained significant attention in advanced fields like wearable devices and soft robotics. However, the concurrent fabrication of sensors based on with both optimal mechanical properties high conductivity remains a challenge due to inherent brittleness conventional absence conductive pathways within them. Addressing this challenge, study successfully developed nanocomposite multicross-linked hydrogel strength, stretchability conductivity. The structure comprises chemically cross-linked polyacrylamide (PAM) network entangled gelatin chains induced by Hofmeister effect. Multiple hydrogen bonds between gelatin, PAM, water molecules, carboxylated multiwalled carbon nanotubes (c-MWCNTs), chitosan (CS) enhance hydrogel's crosslink density stability. exhibits remarkable performance, tensile strength 0.83 MPa, over 1558%, toughness 5.04 MJ/m3, alongside excellent fatigue resistance self-healing capabilities. also shows (5.09 S/m), sensitivity (GF = 1.91), durability (over 100 cycles), enabled formed c-MWCNTs inorganic salt electrolytes. prepared strain show wide range applicability reliability field human motion monitoring, where large movements joint bending (including elbow, wrist knee) small such as smiling swallowing can be accurately monitored. Moreover, it transmit information analyzing electrical signal changes, suggesting innovative potential for communication applications. Thus, holds great promise health monitoring remote communication.

Language: Английский

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Molecularly Imprinted Polymers and Nanocomposites—Essentials Features and Applied Versatilities

Polymer-Plastics Technology and Materials, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 29

Published: Jan. 12, 2025

This manuscript presents a systematic overview of molecularly imprinted polymer-derived nanocomposites, discussing fundamentals, design categorization, and technological worth, according to the reported literature so far. In this concern, nanocomposites polymers have been synthesized with carbonaceous nanoparticles (graphene, carbon nanotube, fullerene) inorganic (metal/metal oxide, metal organic frameworks). Principal synthesis methods applied for consequential include efficient polymerization tactics, like free radical (bulk/emulsion), electropolymerization, sol-gel, precipitation, imprinting approaches (surface or nanoimprinting). Ensuing macromolecular assemblies nanocomposite hybrid depicted valuable characteristics, counting low price, high surface area, functionalities, microstructural variations, structural stability, facile synthesis, desirable porosity, sensitivity toward other molecules depending upon their precision choice processing technique. Subsequently, worth mentioning combinations nanocarbon/inorganic showed scientific potential water remediation (adsorbent materials), gas/electrochemical sensors, drug delivery, biosensing fields. Although plenty reports revealed design, processing, practical aspects polymers; nonetheless, we note, field needs much future attention precise designs, perfect polymer-nanoparticle assemblies, well-defined techniques/parameters commercial-scale utilizations.

Language: Английский

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Thermal-Sensitive Artificial Ionic Skin with Environmental Stability and Self-Healing Property

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: 17(6), P. 9115 - 9124

Published: Jan. 30, 2025

Wearable temperature-sensitive electronic skin enables robots to rapidly detect environmental changes and respond intelligently, thereby reducing temperature-related mechanical failures. Additionally, this can measure record the temperature of external objects, broadening its potential applications in medical field. In study, we designed a thermally sensitive artificial ionic using liquids (ILs) as solvents carbon nanotubes (CNTs) conductive fillers. The incorporation ILs into polymer network enhances thermal stability, while CNTs establish dual conduction pathways (CNTs-CNTs CNTs-polymer chain segments), leading rapid response times only 16 s. initiation IL dissociation at elevated temperatures boosts carrier density, resulting substantial improvement sensitivity (5%/°C). Furthermore, displays remarkable self-healing properties (90%), extending lifespan practical applications. This kind stably sense wearer's body provide an ideal long-term stable new functional material for development human such robots.

Language: Английский

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Antibacterial, Stretchable, and Self‐Adhesive Laponite‐TA Based Conductive Hydrogel Sensor for Human Motion Detection

Journal of Applied Polymer Science, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 9, 2025

ABSTRACT Due to their biocompatibility and tissue‐like properties, hydrogels have garnered considerable interest in bioelectronics field. Nevertheless, practical implementation is limited by factors such as inadequate mechanical strength, weak interface adhesion, the lack of antimicrobial properties. To address these challenges, a novel conductive hydrogel was synthesized through free radical polymerization, incorporating laponite (LA), tannic acid (TA), polyacrylic (PAA), polyacrylamide (pAAm). An innovative approach employed enhance LA's dispersion ionic liquid (IL) water electrostatic interactions. The integration TA, PAA, PAAm with LA sheets via multiple hydrogen bonds resulted excellent resulting P(AAm‐AA)/IL‐LA/TA exhibits impressive characteristics, including fracture stress 0.44 MPa, strain 1800%. Notably, hydrogel's TA component strong antibacterial activity against Staphylococcus aureus Escherichia coli . This advanced sensor effectively monitors human movements, displaying gauge factor 12.7. Furthermore, its versatile nature facilitates adhesion wide range substrates, making it promising candidate for applications monitoring, electronic devices, medical health surveillance.

Language: Английский

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Next-Generation Wearable Technologies: The Rise of Multifunctional Hydrogels in Smart Electronics

Journal of Cleaner Production, Journal Year: 2025, Volume and Issue: unknown, P. 145265 - 145265

Published: March 1, 2025

Language: Английский

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A High-Performance Stretchable Hydrogel for Advanced Health Technology: Antifreezing, Self-Healing Electronics in Thermal Therapy and Motion Sensing

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

Published: March 26, 2025

Language: Английский

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A sustainable solution for environmental purification: A review of high-performance hydrogels based on chitosan

International Journal of Biological Macromolecules, Journal Year: 2025, Volume and Issue: unknown, P. 142834 - 142834

Published: April 1, 2025

Language: Английский

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Ultrabioconformal, Self-Healable, and Antioxidized Polydopamine-Inspired Nanowire Hydrogels Enable Resolving Power in Forehead and Ear Electroencephalograms for Brain Function Assessment

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

Published: April 17, 2025

Continuous brain function monitoring by high-performance electroencephalogram (EEG) suggests a high impact for advancing precision personalized medication of neurodevelopmental or neurodegenerative disorders. Forehead and ear EEGs are nonhairy recording strategies that allow the activity using only few electrodes. However, they require well-designed electrodes easy comfortable to carry while simultaneously performing durable high-quality EEG acquisition. Herein, we propose new ultrabiocompliant sensor enables seamless contact surfaces both earhole forehead, permitting prolonged signal identification. Bioinspired polydopamine/platinum-silver nanowires, called PDA-Ag@Pt NWs, synthesized with noticeable performances in electrical conductivity, antioxidation ability, cytocompatibility, adhesion. NWs can promote synchronic gelation interlinks within polydopamine-polyacrylamide (PDA-PAM) hydrogels, turn leading one-step formation nanowire/hydrogel matrix, PDA-PAM/NW, as an electrode patch presence adhesive self-healing capabilities. Combined self-designed processor, portable electrophysiological system was realized. The PDA-PAM/NW outperformed commercial terms reliability resolution electrocardiography (ECG), electromyography (EMG), electroencephalography recording. In addition, through cognitive assessment frontal- ear-EEG recording, ultrathin design adhesion make participants over time, subsequently providing identification resolution. This work underscores potential development comfy, long-lasting, wearable brain-machine interfaces revolution neuroscience.

Language: Английский

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Toward the Next Generation Human–Machine Interaction: Headworn Wearable Devices

Analytical Chemistry, Journal Year: 2024, Volume and Issue: 96(26), P. 10477 - 10487

Published: June 18, 2024

Wearable devices are lightweight and portable worn directly on the body or integrated into user's clothing accessories. They usually connected to Internet combined with various software applications monitor physical conditions. The latest research shows that wearable head devices, particularly those incorporating microfluidic technology, enable monitoring of bodily fluids physiological states. Here, we summarize main forms, functions, through innovative researches in recent years. functions sensor monitoring, diagnosis, even therapeutic interventions. Through this application, real-time human conditions noninvasive treatment can be realized. Furthermore, microfluidics realize skin interstitial fluid, which is highly significant medical diagnosis has broad application prospects. However, despite progress made, challenges persist integration at current technological level. Herein, focus summarizing cutting-edge contact lenses offer insights burgeoning intersection between head-worn wearables, providing a glimpse their future

Language: Английский

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