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A silicon nanowire field-effect transistor coupled to the interior of a cell by means of a hollow silicon dioxide nanotube can detect changes in the electric potential of the intracellular fluid.
Phase-estimation algorithms applied to single electronic spins in diamond allow weak magnetic fields to be measured with high sensitivity and a large dynamic range.
Phase-estimation algorithms applied to single nitrogen nuclear spins in diamond allow weak magnetic fields to be measured with high sensitivity and a large dynamic range.
A nanowire waveguide attached to an optical fibre can deliver payloads into cells and act as an endoscope capable of imaging single living cells with high spatial resolution.
Spin doublets of holes in nanowires with a germanium core and a silicon shell can be manipulated in fast-gated double quantum dots to create quantum bits with long spin lifetimes.
A porphyrin molecule anchored to a silver surface can function as a four-level conductance switch in which a single hydrogen atom in the inner cavity of the molecule is manipulated by electrons from the tip of a scanning tunnelling microscope.
Combining solid-state nanopores and nanowire field-effect transistors allows the translocation of single DNA molecules through the nanopore to be detected with a high intrinsic bandwidth and large-scale integration.
The thermal conductivity of a bundle of boron nanoribbons can be significantly higher than that of a single free-standing ribbon, and can be switched between this enhanced value and that of a single nanoribbon by wetting the interface between the nanoribbons with various solutions.
Hollow DNA-based spacer particles are used in the synthesis of nanoparticle superlattices with well-defined geometries, one of which has never been observed before.
A tunnel junction that consists of a ferroelectric barrier layer sandwiched between two electrodes can operate as a fast, low-power and non-volatile nanoscale solid-state memory.
A new contrast technique allows semiconducting and metallic single-walled carbon nanotubes to be imaged separately, offering a way to study their interactions in biological environments.
The conductance of a single molecule of 1,4'-benzenedithiol bridged between two gold electrodes increases as it is stretched because the energy of the highest occupied molecular orbital is shifted towards the Fermi energy of the electrodes, leading to a resonant enhancement of the conductance.
A topological insulator illuminated with circularly or linearly polarized light produces a photocurrent that depends on the helicity or polarization of the light, respectively.
Multi-harmonic atomic force microscopy can be used to map the local mechanical properties of live cells with better temporal and spatial resolution than has been achieved before.
Cells in different phases of the cell-division cycle accumulate different amounts of nanoparticles, suggesting that biological and toxicological studies of nanoparticles should take into account the cell cycle.