A5100600833- Advanced Sensor and Energy Harvesting Materials
- Conducting polymers and applications
- Advancements in Battery Materials
- Supercapacitor Materials and Fabrication
- Advanced Battery Materials and Technologies
- Polymer Surface Interaction Studies
- Bone Tissue Engineering Materials
- Hydrogels: synthesis, properties, applications
- Advanced Materials and Mechanics
- Electrospun Nanofibers in Biomedical Applications
- Graphene and Nanomaterials Applications
- Plasmonic and Surface Plasmon Research
- Optical Coatings and Gratings
- Membrane Separation Technologies
- Photonic and Optical Devices
- Tactile and Sensory Interactions
- Electrochemical sensors and biosensors
- Periodontal Regeneration and Treatments
- Chaos control and synchronization
- Silk-based biomaterials and applications
- Metallurgical Processes and Thermodynamics
- Electrocatalysts for Energy Conversion
- MXene and MAX Phase Materials
- Solidification and crystal growth phenomena
- Polymer composites and self-healing
Chinese Academy of Sciences
2024
Xi'an Technological University
2023-2024
University of Chinese Academy of Sciences
2024
Shenyang Institute of Automation
2024
Beijing Institute of Graphic Communication
2024
Zhaoqing University
2023
South China Normal University
2016-2023
Beihang University
2022-2023
Central South University
2020-2022
Beijing University of Technology
2021-2022
Abstract Conductive hydrogels are a promising class of materials to design bioelectronics for new technological interfaces with human body, which required work long‐term or under extreme environment. Traditional limited in short‐term usage room temperature, as it is difficult retain water cold hot Inspired by the antifreezing/antiheating behaviors from nature, and based on mussel chemistry, an adhesive conductive hydrogel developed long‐lasting moisture lock‐in capability temperature...
A graphene oxide conductive hydrogel is reported that simultaneously possesses high toughness, self-healability, and self-adhesiveness. Inspired by the adhesion behaviors of mussels, our shows self-adhesiveness on various surfaces soft tissues. The can be used as self-adhesive bioelectronics, such electrical stimulators to regulate cell activity implantable electrodes for recording in vivo signals. As a service authors readers, this journal provides supporting information supplied authors....
An ideal hydrogel for biomedical engineering should mimic the intrinsic properties of natural tissue, especially high toughness and self-healing ability, in order to withstand cyclic loading repair skin muscle damage. In addition, excellent cell affinity tissue adhesiveness enable integration with surrounding after implantation. Inspired by mussel adhesive mechanism, we designed a polydopamine–polyacrylamide (PDA–PAM) single network preventing overoxidation dopamine maintain enough free...
Conductive hydrogels are promising materials for soft electronic devices. To satisfy the diverse requirement of bioelectronic devices, especially those human–machine interfaces, required to be transparent, conductive, highly stretchable, and skin-adhesive. However, fabrication a conductive-polymer-incorporated hydrogel with high performance is challenge because hydrophobic nature conductive polymers making processing difficult. Here, we report self-adhesive by in situ formation polydopamine...
High-performance stretchable conductive fibers are desired for the development of electronic devices. Here we show a simple spinning method to prepare hydrogel with ordered polymer chain alignment that mimics hierarchically organized structure spider silk. The as-prepared sodium polyacrylate fiber is further coated thin layer polymethyl acrylate form core-shell water-resistant MAPAH fiber. Owing coexistence and reversible transformation crystalline amorphous domains in fibers, exhibit high...
Conductive hydrogels (CHs) have gained significant attention for their wide applications in biomedical engineering owing to structural similarity soft tissues. However, designing CHs that combine biocompatibility with good mechanical and electrical properties is still challenging. Herein, we report a new strategy the fabrication of tough excellent conductivity, superior properties, by using chitosan framework as molecular templates controlling conducting polypyrrole (PPy) nanorods situ...
Abstract Adhesive hydrogels are widely applied for biological and medical purposes; however, they generally unable to adhere tissues under wet/underwater conditions. Herein, described is a class of novel dynamic that shows repeatable long‐term stable underwater adhesion various substrates including wet tissues. The have Fe 3+ ‐induced hydrophobic surfaces, which can undergo self‐hydrophobization process achieve strong diverse range dried/wet without the need additional processes or reagents....
Wound repair and tissue regeneration are complex processes that involve many physiological signals. Thus, employing novel wound dressings with potent biological activity signal response ability to accelerate healing is a possible solution. Herein, inspired by mussel chemistry, we developed polydopamine (PDA)-reduced graphene oxide (pGO)-incorporated chitosan (CS) silk fibroin (SF) (pGO-CS/SF) scaffold good mechanical, electroactive, antioxidative properties as an efficient dressing. First,...
A super-stretchable and self-recoverable ionic conductive hydrogel was designed used as a wearable stretchable sensor to monitor human body motions.
A dual network flexible electronic skin hydrogel with direction-recognition and ultrafast self-healing ability was prepared applied for strain sensors.
Abstract Bionic electronic skin (E‐skin) is considered to be the best candidate for health monitoring sensor, soft robots, biomedical prostheses, artificial intelligence, and wearable electronics devices. However, most existing studies on bionic E‐skin mainly focus their strain–stress response. Although some works involved specific response physiological signals such as temperature, sweat, wet, so on, reported E‐skins lack special ability identify multiple stimuli, which limits applications...
The ever-growing demand for wearable electronic devices is stimulating the development of novel materials fabrication flexible electronics. Among all promising candidates, polysaccharide-based hydrogels are constructing a prospective pattern achieving functionalities, benefiting from their ecofriendliness, renewability, biodegradability, and sustainability. However, one most important drawbacks these slow self-healing. To address abovementioned issue, we propose simple method to fabricate...
Articular cartilage defect repair is challenging for clinics because of the lack self-regenerative ability avascular tissue. Gelatin-based hydrogels are widely used in field tissue engineering their good biodegradability, excellent biocompatibility, and cell/tissue affinity. However, gelatin-based exhibit poor thermal stability low mechanical strength, which limit application repair. In this study, methacrylic anhydride (MA) was employed to modify gelatin obtain photo-crosslinkable...
Anisotropic hydrogels with a hierarchical structure can mimic biological tissues, such as neurons or muscles that show directional functions, which are important factors for signal transduction and cell guidance. Here, we report mussel-inspired approach to fabricate an anisotropic hydrogel based on conductive ferrofluid. First, polydopamine (PDA) was used mediate the formation of PDA-chelated carbon nanotube-Fe3O4 (PFeCNT) nanohybrids also dispersion medium stabilize form The ferrofluid...
Biomimetic calcium phosphate mineralized graphene oxide/chitosan (GO/CS) scaffolds with hierarchical structures were developed. First, GO/CS large micropores (∼300 μm) showed high mechanical strength due to the electrostatic interaction between oxygen-containing functional groups of GO and amine CS. Second, octacalcuim (OCP) porous (∼1 was biomimetically on surfaces (OCP-GO/CS). The microporous OCP-GO/CS provide a suitable environment for cell adhesion growth. have exceptional adsorbability...
We report that a postsynthesis physical process (freeze–thaw cycles) can reform the microstructure of conductive polymer hydrogels from clustered nanoparticles to interconnected nanosheets, leading enhanced mechanical and electrochemical properties. The polyaniline–poly(vinyl alcohol) hydrogel after five freeze–thaw cycles (PPH-5) showed remarkable tensile strength (16.3 MPa), large elongation at break (407%), high capacitance (1053 F·g–1). flexible supercapacitor based on PPH-5 provided...
A novel high-energy-density zinc–iodine hybrid supercapacitor was designed <italic>via</italic> the introduction of a redox iodide ion electrolyte and B, N dual-doped carbon electrode.
Abstract The development of stretchable supercapacitors (SSCs) is heading to compact and robust devices with higher capacitance simpler preparation process. Herein, a new strategy reported prepare highly conductive polypyrrole hydrogel unique biphase microstructure (loose phase dense phase), which formed by the supramolecular assembly (PPy), poly(vinyl alcohol), anionic micelles. loose enables PPy large stretchability (elongation at break 500%) good electrochemical capacitive behavior, while...
In this paper, a novel approach of voxelization modelling-based Finite Element (FE) simulation and process parameter optimization for Fused Filament Fabrication (FFF) is presented. the approach, firstly, general meshing method based on modelling automatic voxel element sorting developed. Then, FE FFF conducted by combining ANSYS Parametric Design Language (APDL) with birth death technique. During simulation, influence key parameters temperature field, including scanning speed, molding...
Abstract Producing biomimetic extracellular matrix (ECM) is an effective approach to improve biocompatibility of medical devices. In this study, ECM nanostructures are constructed through layer-by-layer self-assembling positively charged chitosan (Chi), negatively oxidized sodium alginate (OAlg), and bovine serum albumin (BSA)-based nanoparticles. The BSA-based nanoparticles in the self-assembled films not only result porous similar natural ECM, but also preserve activity realize sustained...