Lignin-derived materials for triboelectric nanogenerators with emphasis on lignin multifunctionality

Nano Energy, Год журнала: 2024, Номер 128, С. 109912 - 109912

Опубликована: Июнь 20, 2024

Язык: Английский

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From lab to wearables: Innovations in multifunctional hydrogel chemistry for next-generation bioelectronic devices

Biomaterials, Год журнала: 2024, Номер 310, С. 122632 - 122632

Опубликована: Май 28, 2024

Язык: Английский

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Stretchable, Self‐Healing, and Bioactive Hydrogel with High‐Functionality N,N‐bis(acryloyl)cystamine Dynamically Bonded Ag@polydopamine Crosslinkers for Wearable Sensors

Advanced Science, Год журнала: 2024, Номер unknown

Опубликована: Июль 19, 2024

Hydrogels present attractive opportunities as flexible sensors due to their soft nature and tunable physicochemical properties. Despite significant advances, practical application of hydrogel-based sensor is limited by the lack general routes fabricate materials with combination mechanical, conductive, biological Here, a multi-functional hydrogel reported in situ polymerizing acrylamide (AM) N,N'-bis(acryloyl)cystamine (BA) dynamic crosslinked silver-modified polydopamine (PDA) nanoparticles, namely PAM/BA-Ag@PDA. Compared traditional polyacrylamide (PAM) hydrogel, BA-Ag@PDA nanoparticles provide both high-functionality crosslinks multiple interactions within PAM networks, thereby endowing optimized PAM/BA-Ag@PDA significantly enhanced tensile/compressive strength (349.80 kPa at 383.57% tensile strain, 263.08 90% compressive strain), lower hysteresis (5.2%), improved conductivity (2.51 S m

Язык: Английский

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Stretchable, adhesive, conductive hydrogel initiated by liquid metal complex for multi-functional sensing

Chemical Engineering Journal, Год журнала: 2024, Номер 496, С. 153674 - 153674

Опубликована: Июль 3, 2024

Язык: Английский

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Moisture-responsive ultralow-hysteresis polymer ionogels for adhesion-switchable strain sensing

Materials Horizons, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Adhesion-switchable ionogels with ultralow hysteresis are developed through moisture-mediated phase separation using opposite-affinity ionic components. These show great potential in smart adhesives for targeted object capture.

Язык: Английский

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Synthesis of PVA-Based Hydrogels for Biomedical Applications: Recent Trends and Advances

Gels, Год журнала: 2025, Номер 11(2), С. 88 - 88

Опубликована: Янв. 23, 2025

There is ongoing research for biomedical applications of polyvinyl alcohol (PVA)-based hydrogels; however, the execution this has not yet been achieved at an appropriate level commercialization. Advanced perception necessary design and synthesis suitable materials, such as PVA-based hydrogel applications. Among polymers, drawn great interest in owing to their attractive potential with characteristics good biocompatibility, mechanical strength, apposite water content. By designing approach investigating structure, hydrogels can attain superb cytocompatibility, flexibility, antimicrobial activities, signifying that it a candidate tissue engineering regenerative medicine, drug delivery, wound dressing, contact lenses, other fields. In review, we highlight current progresses on explaining diverse usage across variety areas. We explain numerous techniques related phenomena based these materials. This review may stipulate wide reference future acumens materials extensive

Язык: Английский

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Humidity‐Resistant Wearable Triboelectric Nanogenerator Utilizing a Bound‐Water‐Rich Zwitterionic Hydrogel With Microphase‐Separated Domains

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Дек. 29, 2024

Abstract Triboelectric nanogenerators (TENGs) represent an effective approach for transforming mechanical energy into electrical power, making them suitable wearable electronic applications. Hydrogels as TENGs electrodes are common, but their use direct triboelectric layers remains insufficiently explored. Here, a novel zwitterionic monomer 3‐{1‐[6‐(hydroxymethyl)‐2‐methyl‐3,8‐dioxo‐9‐aza‐4,7‐dioxadodec‐1‐en‐12‐yl]imidazol‐3‐ium‐3‐yl}propane‐1‐sulfonate (VNIPS) is synthesized in combination with acrylic acid (AA) and sulfobetaine methacrylate (SBMA) to create double‐network hydrogel. The hydrogel developed using solvent‐exchange process that facilitated the creation of microphase‐separated domains, notablely increasing its strength (211.9 kPa, 472.3%), conductivity (0.6 mS cm −1 ), anti‐freezing capability (−18.3 °C). In addition, hydrogel's hydrophilic groups interacted water molecules, reducing charge loss humid conditions. When employed positive layer, hydrogel‐based achieved substantial density 456 µC m − 2 output power 464 mW , while maintaining steady open‐circuit voltage (V oc ) 97 V, 92% retention under 80% relative humidity. Moreover, strong adhesion biocompatibility make it applications, such motion sensing Morse code communication. This work demonstrates feasibility hydrogels materials, providing new strategy creating efficient, humidity‐resistant harvesters.

Язык: Английский

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A novel DES-enhanced sodium alginate-based conductive organohydrogel fiber for high-performance wearable sensors

International Journal of Biological Macromolecules, Год журнала: 2025, Номер unknown, С. 140410 - 140410

Опубликована: Янв. 1, 2025

Язык: Английский

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Bioinspired Programmable and Ultrastretchable Janus Helical Hydrogel Fibers for Strain-Invariant Thermoelectric Body Heat Harvesting and Sensation

Nano Letters, Год журнала: 2025, Номер unknown

Опубликована: Фев. 3, 2025

Current fiber-based electronics often suffer from low stretchability and struggle to conform complex dynamic skin surfaces, resulting in significantly reduced performance wearable devices. However, hydrogels with processability adaptability permit conformity diverse curved uneven surfaces. Inspired by natural tendrils, we present Janus helical hydrogel fibers capable of completely maintaining the original thermoelectric under ultrahigh elastic strains. fibers, composed sodium polyacrylate (PANa) PANa/single-walled carbon nanotube (PANa-SWCNT) hydrogels, are fabricated at scale programmed controllable diameters utilizing biological strain mismatch mechanism. The optimized fiber is ultrastretchable has a master strain-invariant built-in temperature gradient as well resistance, thus ensuring stable energy output even 650% strain. integrated 90 pairs p/n coils adaptively harvest heat, exhibiting notable voltage density 6.51 mV cm-2, accurately perceive environmental temperatures (-176 μV/°C) undisturbed body movements.

Язык: Английский

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3D-Printed Metal Organic Frameworks-Based Supramolecular Hydrogel as Biological Materials

Supramolecular Materials, Год журнала: 2025, Номер unknown, С. 100100 - 100100

Опубликована: Фев. 1, 2025

Язык: Английский

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