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Gas transport through discrete ångström-sized pores in monolayer graphene can be controlled using gold clusters formed on the surface of the graphene, which can migrate and partially block a pore.
High-frequency impedance spectroscopy using CMOS nanocapacitor arrays allows microparticles and living cells to be imaged in real time under physiological salt conditions.
Different adjacent molecules adsorbed on a surface can be distinguished by their Raman modes using a plasmon-enhanced Raman scattering technique with a spatial resolution below 1 nm.
The direction of a single photon emitted from a quantum emitter, and its coupling to a photon waveguide, can be controlled by the helicity of the optical transition.
A monolithic heterostructure nanosheet composed of a ZnCdSSe multi-segment quaternary alloy can simultaneously emit laser light in the red, green and blue.
A design approach for engineering wireframe DNA nanostructures, in which each vertex and line segment can be individually controlled, can be used to fabricate complex structures including quasicrystalline two-dimensional patterns and reconfigurable three-dimensional Archimedean solids.
Enhanced electron–phonon interactions in mono- and few-layer NbSe2 result in a significantly increased transition temperature of charge density waves compared with values in the bulk.
The incorporation of carbon nanotubes in a silica matrix produces oxygen dopant states that can emit single photons at room temperature and at wavelengths relevant for applications in telecommunications.
Biodegradable lignin nanoparticles infused with minimal amounts of silver ions and coated with a cationic polyelectrolyte show short-term broad-spectrum antimicrobial activity, offering an environmentally friendly alternative to metallic silver nanoparticles.
Surface plasmon wakes can be created and steered using a one-dimensional metamaterial consisting of rotated nanoslits in which the phase velocity of a running wave of polarization propagates faster than the phase velocity of the surface plasmons.
DNA nanotube scaffolds allow artificial myosin filaments to be engineered that can be used to probe the mechanical coordination of myosin motor ensembles.
Molecular dynamics simulations of water molecules inside carbon nanotubes show a strong coupling between the flow of water and the phonon modes of nanotubes that enhance diffusion.
Using nanofabricated chambers, living bacterial cells can be 'sculpted' into defined shapes, such as squares and rectangles, which can be used to explore the spatial adaptation of Min protein oscillations, a Turing reaction–diffusion pattern that assists cell division.
Chloride concentrations inside subcellular organelles of living cells can now be measured in a pH-independent manner using a DNA nanodevice, offering a tool for studying chloride homeostasis and its associated diseases.
Charged domain walls can be created and manipulated at the nanoscale so that their polarization charge can be used to dope ferroelectric thin films at selected locations in a reversible way.