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Foreign body response can result in failure of biomaterials in vivo. Solvent-free crystals containing anti-fibrotic drugs now show the potential for long-term inhibition of fibrosis on a number of implantable devices in rodents and non-human primates.
The instability of sulfide ions during water oxidation prevents simultaneous evolution of hydrogen and oxygen. An oxysulfide semiconductor photocatalyst, Y2Ti2O5S2, is shown to evolve H2 and O2 via a water-splitting reaction under visible-light irradiation.
This Perspective explores correlative characterization for bringing together multiple imaging modalities with maps of local chemistry, structure and functional performance to improve our understanding and manufacturing of existing materials and facilitate data-centric materials innovation.
High-throughput computation is especially useful for materials screening where synthesis is challenging. Here, it is used to construct a stability map of ternary nitrides, allowing discovery of stable compounds and providing insight into principles that govern nitride stability.
Scanning quantum dot microscopy, based on the use of a single molecule attached to the tip of the cantilever of an atomic force microscope, is shown to provide quantitative maps of surface potential distribution with atomic resolution.
Scanning electron nanobeam diffraction is used to monitor the morphology of organic thin films with nanometre resolution, revealing information on the arrangement of crystalline domains useful for structure–property relationship understanding.
Proton ceramic electrolysers can produce hydrogen directly from steam, but their development has suffered from limited electrical efficiency. A fully operational and stable BaZrO3-based tubular electrolyser with high hydrogen production rate is now reported.
Material depletion and accumulation at the crystallization front of organic semiconductors films induce the formation of large-area regular patterns, with a periodicity relevant to optoelectronic applications in the visible and near-infrared range.
The mechanism of cytokinetic failure in the migrating zebrafish epicardium leading to multinucleated cells is shown to be driven by the interaction of the cytokinetic ring and the extracellular matrix through adhesion reinforcement by high traction forces.
Chemiluminescent molecular renal probes have been developed and are shown to be capable of non-invasive real-time imaging of early-stage oxidative stress biomarkers of drug-induced acute kidney injury, and high renal clearance.
Gold nanoparticles that passively deliver CRISPR machinery to blood repopulating cells have been developed and are shown to be capable of precise editing of multiple genetic loci of therapeutic interest without cytotoxicity or reduced fitness.
This Review covers the basic physics of thermal emission, ways to engineer the thermal field radiated by hot objects in the far field and applications, such as thermophotovoltaics, radiative cooling, camouflage and privacy.
Crosstalk between microtubules and the actin cytoskeleton of cells is important in elucidating integrin-mediated adhesion and mechanotransduction. It is now shown that microtubule-mediated control of focal adhesions and podosomes occurs via KANK family proteins.
The Alx3 transcription factor, expressed in prenatal tooth development, is shown to revitalize adult progenitor cells in decellularized scaffolds, leading to enhanced parenchymal dental pulp and vascularized stroma regeneration in vivo.
Disorder in two-dimensional materials largely affects their properties and performance. This Perspective discusses disorder sources in graphene and transition metal dichalcogenides, the progress in disorder control, and possible uses of disorder.
Integrating 3D bulk materials with 2D layered materials can harness promising properties and unique functions. This Review discusses the progress in the fabrication, physical coupling and potential applications of 3D/2D hybrid heterostructures.
A modular approach of photoreversible patterning of macromolecules with high spatiotemporal resolution within hydrogels is employed to generate biomaterials with controllable cell activity through site-specific immobilization of proteins.
The droplet epitaxy technique has emerged as an alternative to the most commonly used Stranski–Krastanov for fabricating semiconductor nanostructures. This Review discusses the important aspects of droplet epitaxy quantum dots, from the growth mechanism to device application.
Porous molecular crystals are easy to fabricate but thought to have limited stability as they are bound by non-covalent interactions. Here, a porous crystal composed of C60 and phthalocyanine is demonstrated with stability to heat, acid, base and high pressures.
Magneto-optical spectroscopy shows that the dark exciton state in single formamidinium lead bromide perovskite nanocrystals is located below the bright exciton triplet. Slow bright-to-dark relaxation explains the intense brightness of the nanoparticles.
The remote, non-volatile and reversible optical control of ferroic orders is challenging. Here, using laser illumination, multiple orders in epitaxial mixed-phase BiFeO3 are manipulated deterministically using a thermally driven flexoelectric effect.
By exciting chiral plasmons within a nanohole by means of circularly polarized light pulses, orbital angular momentum can be imparted onto charged matter waves (here, electrons) and controlled at terahertz speed (femtosecond intervals).
Interfacial water structures in electric double layers under bias potentials can impact the electrochemical performance of electrodes. Two structural transitions of interfacial water at electrified Au single-crystal electrode surfaces have now been identified.
Oxide-supported isolated Pt-group metal atoms as catalytic active sites are of interest because of their unique reactivity. Isolated Pt species are now shown to adopt a range of local coordination environments and oxidation states in response to environmental conditions.
Reversible and cooperative activation processes are important characteristics of biological enzymes and can be used in designing catalysts. Highly active TiO2 photocatalysts incorporated with site-specific single copper atoms are now shown to exhibit such a photoactivation process.
Hole and electron traps related to the presence of trace water are found in organic semiconductor thin films, at an energy offset of ~0.3–0.4 eV from the highest occupied and lowest unoccupied molecular orbitals, respectively.
The structural foundation of self-assembled peptide materials is typically the β-sheet. Here the authors describe peptides made of three natural amino acids that self-assemble into helical-like superstructures with enhanced mechanical rigidity.
An investigation of the structural and transport properties of bilayer graphene as a function of the twist angle between the layers reveals atomic-scale reconstruction for twist angles smaller than a critical value.
Plasmonic catalysis is believed to be mediated by energy transfer from nanoparticles to adsorbed molecules. Localized surface plasmon resonance on gold nanoparticles excited by electron beam is shown to drive site-selective CO disproportionation at room temperature.
Solution shearing of semiconducting polymers with a patterned blade induces improved alignment of the polymeric chains at the nano- and macroscale. This leads to increased charge transport in stretchable, roll-to-roll deposited organic transistors.
Femtosecond pump–probe measurements of Coulomb correlations in WS2/WSe2 heterostructures reveal the interlayer exciton binding energy, determined from the 1s–2p resonance, as well as the dynamics of the conversion of intra- to interlayer excitons.