Bioinspired hydrogels have promising prospects in applications such as wearable devices, human health monitoring equipment, and soft robots due to their multifunctional sensing properties resembling natural skin. However, the preparation of intelligent that provide feedback on multiple electronic signals simultaneously, skin receptors, when stimulated by external contact pressure remains a substantial challenge. In this study, we designed bioinspired hydrogel with conductive capabilities...

During bone formation, collagen fibrils mineralize with carbonated hydroxyapatite, leading to a hybrid material excellent properties. Other minerals are also known nucleate within in vitro. For series of strontium- and calcium-based minerals, we observed that their precipitation leads contraction fibrils, reaching stresses as large several megapascals. The magnitude the stress depends on type amount mineral. Using in-operando synchrotron x-ray scattering, analyzed kinetics mineral...

A reduction in the particle size is expected to improve properties and increase application potential of high-entropy alloys. Therefore, this study, a novel sol-gel autocombustion technique was first used synthesize The average grain prepared nanocrystalline CoCrCuNiAl alloys showed 14 nm with an excellent uniform dispersion, exhibiting distinct magnetic behavior similar superparamagnetic behavior. We show that metal nitrates form (Co,Cu,Mg,Ni,Zn)O oxides, then situ reduce by reducing gases,...

Strategies that attempt to mimic the well-defined structures or unique functions of natural biological materials have succeeded in designing and synthesizing bio-inspired past twenty years. Furthermore, structure-forming processes systems can efficiently accurately fabricate biomaterials under environmentally benign conditions, contrast our anthropogenic technologies wherein harsh conditions are commonly prerequisites. Hence, well worth studying pursuit new techniques for fabricating...

Biocomposite hydrogels are promising for applications in wearable flexible strain sensors. Nevertheless, the existing biocomposite still hard to meet all requirements, which limits practical application. Here, inspired by structure and composition of natural ferritin, we design a PAAm-Ferritin hybrid hydrogel through facile method. Ferritin is uniformly distributed cross-linking networks acts as nanocage spring model, leading enhanced tensile strength hydrogel. The fracture stress 99 kPa at...

Abstract Huge contractile stresses are generated in collagen‐based matrices via the precipitation of various minerals within collagen fibrils. However, how to regulate level prestress intrafibrillar mineralization remains unclear. Here, it is demonstrated that both, polymorph selection and deposition rate mineral, modified by proteoglycans naturally present native The results show a 50% higher rate, possibly due reduction interfacial energy between precursors. While calcite particles...

Oyster reefs, which can maintain coastal ecosystems by absorbing storm surge energy, are composed of aggregated oyster shells bonded bioadhesive secretions containing inorganic minerals. Bioadhesive formed cross-linking extracellular liquid, is rich in organic and ions, with sand, bacteria, or diatoms. Inspired such bioprocesses, a mineral hydrogel excellent 3D printability, rapid self-healing ability (85% recovery within 1 min), high stretchability (>1500% tensile elongation) ionic...

Light weight, thinness, transparency, flexibility, and insulation are the key indicators for flexible electronic device substrates. The common substrates usually polymer materials, but their recycling is an overwhelming challenge. Meanwhile, paper limited in practical applications because of poor mechanical thermal stability. However, natural biomaterials have excellent properties versatility thanks to organic-inorganic multiscale structures, which inspired us design nanocomposite film. For...

Phase transformation of amorphous silica to cristobalite at a relatively low temperature 800 °C has been achieved on bacterial surfaces.

Abstract Natural structure‐forming processes found in biological systems are fantastic and perform at ambient temperatures, contrast with anthropogenic technologies that commonly require harsh conditions. A new research direction “bioprocess‐inspired fabrication” is proposed to develop novel fabrication techniques for advanced materials. Enamel, an organic–inorganic composite biomaterial outstanding mechanical performance durability, formed by repeating the basic blocks consisting of...

Calcite mesocrystals were proposed, and have been widely reported, to form in the presence of polymer additives via oriented assembly nanoparticles. However, formation mechanism role remain elusive. Here, inspired by biomineralization process sea urchin spine comprising magnesium calcite mesocrystals, we show that could also be obtained attachment amorphous calcium carbonate (ACC) nanoparticles inorganic zinc ions. Moreover, demonstrate ions can induce temporarily stabilized less than 20 nm...

A bioprocess-inspired approach is designed to synthesize hierarchically porous N-TiO₂with a high photocatalytic activity by using natural proteins as templates.

The liquid metal-based hydrogels coated with polyacrylic acid have the combination of conductivity, plasticity, printability, self-healing and skin-like mechanical properties, are therefore used as an epidermal sensor for human health monitoring.

Abstract Owing to the unique assembly of collagen molecules, fibrils have a confined structure that can effectively guide intrafibrillar‐oriented growth inorganic crystals, such as hydroxyapatite and calcium carbonate. However, utilizing this organized mineralized for rapid ion transport remains challenging. Herein, oriented functional cadmium carbonate (CdCO 3 ) nanocrystals is reported within demonstrates different areas single fibril exhibit uniform orientation. The results show precursor...

Abstract Ceramics are usually obtained by powder sintering at a temperature higher than 1000 °C. By contrast, living organisms can use hydrated amorphous precursors to produce biominerals with high inorganic content and excellent mechanical properties under mild conditions. Here, inspired the biomineralization process, aragonite ceramic composed of densely packed nanocrystals is manufactured in situ crystallization densification calcium carbonate (ACC) pressure low (80 °C). It demonstrated...

Titanium dioxide demonstrates promising potential in the energy storage field due to its high theoretical specific capacity and economic viability. However, practical application is hindered by intrinsic limitations including low electronic conductivity slow lithium-ion transport. In general, nature inspires biotemplating synthesis of artificially functional materials with hierarchical structures. Learning from bioinspired process, we adopt a facile biomimetic approach synthesize...

Mineralized collagen fibrils are the building blocks of bone, and mineralization is generally regulated by noncollagenous proteins (NCPs). However, functions NCPs difficult to investigate in vivo. Here, we use poly(acrylic acid) (PAA) with different molecular weights (5, 50, 450, 4000 kDa) as analogs explore their effects on vitro. All PAA molecules can promote intrafibrillar calcium carbonate (CaCO3) following these steps: precursors infiltrate gap zones collagen, transform into organized...

Aunanocube@mSiO2@Ag nanocomposites were synthesized by layer-by-layer assembly with Au nanocube core, Ag shell, and mesoporous silica as a spacer. The thickness of the layer was controlled simply by...

The exoskeleton of arthropods exhibits a Bouligand structure, composed chitin matrix and calcium carbonate crystals, which confer exceptional mechanical properties. While many studies focus on the relationship between structure performance, few investigate mineral growth process within matrix. Here, chiral films are prepared through evaporation-induced self-assembly nanowhiskers, subsequently incubated in SrCO3 mineralizing solution. Initially, precursors deposit film surface transform into...

Electrophysiological electrode patches are often used to collect surface electrophysiological signals monitor and evaluate human health. However, commercial Ag/AgCl gels very susceptible electrode-skin interface interference during rehabilitation exercises cannot achieve a stable collection of signals. In order solve this challenge, paper designed liquid metal-based hierarchical hydrogel, which has series great performances, including adhesion various substrates, efficient self-healing...

Confinement is common in biological systems and plays a critical role the structure-forming process of biominerals. However, knowledge confinement effects on biomineralization limited due to lack specific chemical structures elaborate spatial distribution. In this article, we explore confined mineralization amorphous calcium carbonate (ACC) within collagen fibrils. Three issues ACC fibrils were investigated, including morphology characteristics fibrils; initiation development driving...