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Cardiac repair usually requires highly invasive interventional procedures. Here, the authors develop an injectable shape-memory cardiac patch and demonstrate its applicability in a myocardial infarction model.
The properties of semiconducting solids are determined by the imperfections they contain. Established physical phenomena can be converted into practical design principles for optimizing defects and doping in a broad range of technology-enabling materials.
The spin Nernst effect — a spin accumulation in a ferromagnet in the direction normal to an applied thermal gradient and external magnetic field — has been experimentally demonstrated.
High-mobility molecular crystals can be identified by considering only the sign and relative magnitude of the electronic coupling between neighbouring molecules. A map helps to explain experimental mobilities and to design promising materials.
A tuned oxide superlattice possesses two coexisting phases — one ferroelectric, the other with vortex order — which can be interconverted under electric field, changing material properties.
DNA origami nanostructures were utilized to replicate a seed pattern that resulted in the growth of populations of nanostructures. Exponential growth could be controlled by environmental conditions depending on the preferential requirements of each population.
Measurement of the nuclear polarization in GaAs/AlGaAs quantum dots through manipulation of the nuclear spin states with radiofrequency pulses reveals polarizations up to 80%.
Self-replication and exponential growth are essential in nature. Here, the authors design a system of DNA origami rafts that exponentially replicate and demonstrate sensitivity to environmental changes.
A model analysing the neighbour transfer integrals between adjacent molecules is used to build a three-dimensional map, which helps to visualize the electronic conditions yielding large carrier mobility in molecular crystals.
Metal-oxide superlattices were found to possess coexisting phases; a ferroelectric phase and a vortex phase with electric toroidal order. Electric fields interconverted from one phase to another, potentially enabling new functionality.
Nanostructured zeolites were synthesized without hydrophilic silanol groups, and without fluoridation, via the introduction of atomically dispersed tungsten. This resulted in improved catalytic and gas separation properties.
Theoretical analysis of competing diffusion modes within electrocatalytic films is challenging. It is now shown that the competition depends on a single dimensionless parameter that contains all operational and structural experimental factors.
Viscoelastic phase separation of colloidal suspensions can be interrupted to form gels either by glass transition or crystallization. A kinetic pathway to spontaneously form network or porous structures made of metallic and semiconducting crystals is proposed.
At tissue boundaries, cellular repulsive events are manifested as deformation waves that result from an oscillatory pattern of traction forces and intracellular stress that pull cellular adhesions away from the boundary.
Cardiac repair usually requires highly invasive interventional procedures. Here, the authors develop an injectable shape-memory cardiac patch and demonstrated its applicability in a myocardial infarction model.
