Antibacterial conductive hydrogels with freeze-directed microstructures reinforced by polyaniline-encapsulated bacterial cellulose for flexible sensors

Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 162702 - 162702

Опубликована: Апрель 1, 2025

Язык: Английский

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Dough‐Kneading‐Inspired Universal Mixing Strategy for Mass Production of Multi‐Stimuli‐Responsive Hydrogels

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Май 5, 2025

Abstract Inspired by dough kneading, a straightforward and versatile mixing strategy is proposed for the safe, rapid, large‐scale production of smart hydrogels. This approach achieved directly blending gel powders with an appropriate amount swelling agent. The applied possess strong adhesion, enabling them to function as both glue bonding different hydrogels healing agents repairing damaged hydrogels, while their recyclability reusability help lower costs minimize environmental impact. resulting hydrogel, featuring unique internal heterogeneous porous structure, exhibits fast response speed, excellent recoverability, high fatigue resistance. Mechanical tests reveal that this hydrogel robust, capable resisting large elongations (>400%) without breaking, enduring multiple compressions (53%, 10 cycles) crushing, maintaining integrity during prolonged immersion (≈1032 h). Through precise control composition spatial distribution replaceable agents, enables customizable architectures selective shape‐morphing functionality under programmed stimuli. Overall, scalable paradigm establishes eco‐conscious manufacturing platform high‐throughput synthesis stimuli‐responsive materials, positioning it key enabler next‐generation soft devices.

Язык: Английский

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Robust, Switchable and Printable Underwater Adhesives Based on a Temperature‐Deactivated Design

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Окт. 18, 2024

Abstract Conventional adhesives generally suffer from diminished adhesion in aqueous environments, posing significant challenges for their application wet and submerged conditions. While extensive research efforts are directed toward enhancing the interfacial bonding, cohesive strength, durability of such most existing underwater remain static irreversible. This limitation hinders reusability often results undesirable residues. Addressing challenge achieving strong with on‐demand detachment remains crucial. study introduces development temperature‐responsive that demonstrate outstanding bonding reversibility, durability. Through strategic integration reinforced cross‐linking networks, dynamic hydrogen bonds, upper critical solution temperature (UCST)‐driven phase transitions, one few temperature‐deactivated is created. The optimized adhesive distinguished by its performance to achieve strengths exceeding 1.4 MPa, nearly 100% switching efficiency residue‐free adherend under mild thermal cycling. Beyond template‐assisted fabrication patches, 3D printable achieved programmable architectures via direct ink‐writing. work highlights activated UCST‐type not only boosting efficiencies across various water conditions but also broadening applicability user‐defined application‐specific functions.

Язык: Английский

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Recent Development of Fibrous Hydrogels: Properties, Applications and Perspectives

Advanced Science, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 12, 2024

Fibrous hydrogels (FGs), characterized by a 3D network structure made from prefabricated fibers, fibrils and polymeric materials, have emerged as significant materials in numerous fields. However, the challenge of balancing mechanical properties functions hinders their further development. This article reviews main advantages FGs, including enhanced properties, high conductivity, antimicrobial anti-inflammatory stimulus responsiveness, an extracellular matrix (ECM)-like structure. It also discusses influence assembly methods, such fiber cross-linking, interfacial treatments fibers with hydrogel matrices, supramolecular assembly, on diverse functionalities FGs. Furthermore, mechanisms for improving performance above five aspects are discussed, creating ion carrier channels situ gelation drugs to enhance antibacterial entanglement hydrophobic interactions between resulting ECM-like structured In addition, this review addresses application FGs sensors, dressings, tissue scaffolds based synergistic effects optimizing performance. Finally, challenges future applications providing theoretical foundation new insights design cutting-edge

Язык: Английский

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Ultrastrong, High-Barrier, and Transparent Poly(butylene adipate-co-terephthalate) Achieved via Ligament Relaxation-Inspired Calendaring in the Cold Solid-State

ACS Sustainable Chemistry & Engineering, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 26, 2024

Язык: Английский

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