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A plasmonic tweezer combining thermal and electric fields can be used to create fast fluid motion for rapid and accurate positioning of single nanoparticles.
Single-photon emission at room temperature can be achieved with hexagonal boron nitride due to electron and hole confinement in vacancy-related defects.
Macromolecular crowding decreases diffusion of mRNA and proteins leading to the formation of heterogeneous environments in gene expression experiments in picolitre droplets.
Arrays of circular nanomagnets are used to solve the problem of perceptual organization in computer vision by exploiting their tendency to minimize the total magnetic energy by coupling to each other.
A molecular positioning device made from DNA origami can adjust the average distance between fluorescent molecules and reactive groups in steps as small as 0.04 nm.
Nanoparticles can absorb most of the incoming light irrespective of incidence angle and polarization and condense it into a monochromatic emission in the presence of a dye.
A monovalent form of an engineered streptavidin can now be tethered to AFM cantilevers, representing a reliable anchoring tool with a well-defined pulling geometry for single-molecule force spectroscopy studies of proteins.
Using metal oxides for both the hole- and electron-transport layers in perovskite solar cells significantly improves their stability compared with devices containing organic transport layers.
Individual skyrmions in a PdFe atomic bilayer on Ir can be detected by all-electrical means using a non-spin-polarized scanning tunnelling microscope tip.
Isolated sub-2 nm nanopores in graphene exhibit diverse transport behaviours that are reminiscent of biological ion channels and arise from electrostatic and hydration interactions between ions and the pores.
By combining optical trapping with three-dimensional interferometric particle tracking it is possible to achieve non-contact imaging with resolution beyond the diffraction limit.
A metal–insulator–metal architecture in which one metal is replaced by vertically aligned carbon nanotube antennae is used to convert light into direct current.
Scanning tunnelling microscopy measurements suggest that resistive switching in TaOx, HfOx and TiOx can be caused by both the diffusion of oxygen vacancies and the migration of cations.
Angle-resolved photoemission measurements of electron-doped layers of tungsten diselenide reveal signatures of negative electronic compressibility that survive to much higher carrier densities than in conventional 2D electron gases.
Single nucleotides can be identified with atomically thin MoS2 nanopores by regulating molecular translocation speeds using a viscosity gradient system based on room-temperature ionic liquids.
The artificial evolution of the electrical properties of a disordered system of nanoparticles acting as single-electron transistors allows the realization of reconfigurable logic operations.
Clathrin, a three-legged protein complex, can form regular two-dimensional lattices on a variety of substrates. These lattices can be functionalized with nanoparticles or enzymes for sensing applications.