Abstract Flexible electronics have emerged as an exciting research area in recent years, serving ideal interfaces bridging biological systems and conventional electronic devices. can not only collect physiological signals for human health monitoring but also enrich our daily life with multifunctional smart materials Conductive hydrogels (CHs) become promising candidates the fabrication of flexible owing to their biocompatibility, adjustable mechanical flexibility, good conductivity, multiple...

Next-generation humidity sensor, as one of the smart devices in artificial skin or flexible electronics, will need to be self-powered, flexible, fast and accurately detecting microenvironment. Although various sensors have already been demonstrated, most them rely on large external power sources operate, still suffer from slow response, poor selectivity environmental stimuli, expensive complicated procedures. Here, we realize a self-powered sensor with ultrafast response recovery time less...

Biofouling is a worldwide problem from healthcare to marine exploration. Aggressive biofouling, wear, and corrosion lead severe deterioration in function durability. Here, micro- nanostructured hierarchical diamond films mimicking the morphology of plant leaves were developed simultaneously achieve superhydrophobicity, antibacterial efficacy, antibiofouling, combined with mechanical chemical robustness. These coatings designed successfully constructed on various commercial substrates, such...

We introduce a new hyaluronidase-responsive amphiphilic block copolymer system, based on hyaluronic acid (HYA) and polycaprolactone (PCL), that can be assembled into polymersomes by an inversed solvent shift method. By exploiting the triggered release of encapsulated dye molecules, these HYA-block-PCL lend themselves as autonomous sensing system for detection presence hyaluronidase, which is produced among others pathogenic bacterium Staphylococcus aureus. The synthesis enzyme-responsive...

Gallium-based alloys have garnered considerable attention in the scientific community, particularly as they are an atypical liquid state at and near room temperature. Though physical parameters, such thermal conductivity, electrical viscosity, yield stress, surface tension, of these broadly known, tension (surface free energy) oxide skin remains intangible due to high stress skin. In this article, we propose employ gradually attenuated vibrations obtain equilibrium shapes, which analyzed...

Printable and stretchable conductors based on metallic-filler-reinforced polymer composites that can maintain high electrical conductivity at large strains are essential for emerging applications in wearable electronics, soft robotics, bio-integrated devices. Regulating microstructures of conductive fillers during mechanical deformations is the key to reconstructing pathway retaining conductivity, which has proven be challenging. Here, it reported Ag flakes spontaneously reorganize inside a...

A hydrogel network based on noncovalent intermolecular interactions via mixing of poly(methyl vinyl ether-alt-maleic anhydride) (PMVEMA), poly(vinyl alcohol) (PVA), and tannic acid (TA) aqueous solutions was developed. The coacervation formation process is driven by hydrogen-bonding between catechol moieties TA, hydroxide groups PVA, carboxylic PMVEMA. the PMVEMA–PVA–TA (PPTA) gel occurs in seconds can be readily obtained scaled up both ionic nonionic systems. It noteworthy that this PPTA...

Flexible sensors have outperformed traditional rigid in healthcare and sports monitoring due to their flexibility comfortableness. However, wearable are susceptible signal interference external corrosion, leading early failure of sensing performance. Inspired by the self-cleaning property surface microstructure lotus leaves, we designed a superhydrophobic flexible sensor L-CNT@PDMS template method laser direct writing technique. Single-walled carbon nanotubes (CNTs) were incorporated into...

Soft electronics with the capability of perceiving surrounding objects and acquiring information without direct touch have become increasingly important for applications in remote safety healthcare monitoring, artificial prosthetics, augmented reality. So far, materials that are inherently stretchable can exhibit distinct touchless sensing still scarce. Here, we report constructing a three-dimensional (3D) segregated structure carboxylated styrene-butadiene latex film using...

Abstract The directed transport of liquids is essential for numerous applications, such as microfluidics, heat transfer, and water harvesting. However, the traditional chemical coatings used topographical or gradients lack stability long‐term durability in harsh environments, elevated humidity, high temperature, pressure. Here, multifunctional robust diamond gradient films with gradually changed multilevel structure composition are designed synthesized via a controlled vapor deposition...

The application of flexible wearable pressure sensors in the fields sensing, electronic skin, and human health monitoring has attracted a lot attention. Herein, cellulose-nanofiber (CNF)-based aerogels with conducting polymer poly(3,4-ethylene dioxythiophene)/poly(styrenesulfonate) (PEDOT:PSS) glutaraldehyde (GA) as cross-linking agent were designed prepared by sol–gel freeze-drying. Without any special treatment, these presented good flexibility piezoresistive properties. As analysis SEM,...

Flexible piezoresistive sensors with high sensitivity, low cost, and good durability have been studied for widely use in automatic testing, control technology, wearable devices. Most can be regarded as varying resistances under different pressures, which do not current directionality. Here, we report a novel sensor rectification characteristic by doping reduced graphene oxide (rGO) powder into (GO) film. This exhibits rectifying low-frequency alternating (AC) signals, coupled an increase...

Novel urchin-like Pd@CuO–Pd yolk–shell nanostructures derived from Pd@Cu₂O core–shell truncated octahedra demonstrate excellent electrocatalytic activity and selectivity toward glucose oxidation.

CO adsorption and dissociation on the Mo C terminations of orthorhombic Mo2C(100) surface at different coverage were systematically investigated basis density functional theory. On termination, only molecular is likely for nCO = 9–16. Mixed dissociative becomes possible 8, while favorable 1–7. This indicates coverage-dependent equilibrium between desorption. there no adsorption, all coverages (nCO 1–16). The computed stretching frequencies as well predicted desorption states from ab initio...

Stretchable electronics have progressed greatly and found their way into various applications, thus resulting in a growing demand for high-quality stretchable conductors. Poly(dimethylsiloxane) (PDMS) is the mostly frequently exploited elastomeric substrate construction of conductive platform because its valuable features, such as superb stretch ability, high transparency, reliable biocompatibility. However, weak adhesion between PDMS components has always been an intractable issue which...