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The influence of magnetic fields on the current-driven motion of domain walls in nanowires with perpendicular anisotropy shows that two spin–orbit-derived mechanisms are responsible for their motion.
Two-dimensional arrays of plasmonic nanoparticles coupled with a gain medium can behave as a surface-emitting laser with near-zero group velocity and picosecond dynamics.
A plasmonic nanoantenna enables a thousand fold-enhanced fluorescence brightness allowing single-molecule analysis to be carried out in a zeptolitre volume at physiological concentrations.
A very sensitive photodector based on molybdenum disulphide with potential for integrated optoelectronic circuits, light sensing, biomedical imaging, video recording or spectroscopy is now demonstrated.
Star-shaped block-copolymers are used as a template in a general synthetic protocol for the formation of colloidal nanocrystals with desired compositions and architectures.
Specially designed DNA nanodevices that enter the same cell through two different pathways can independently map pH gradients simultaneously inside distinct cellular compartments along both pathways.
DNA molecules can be sequenced by monitoring the electrical conductance of a phi29 DNA polymerase as it incorporates unlabelled nucleotides into a template strand of DNA.
A magnetic detection assay based on nucleic acid probes and nanoparticles can rapidly identify a variety of bacterial species in clinical specimens with sensitivity down to single bacteria, offering a useful technology platform for point-of-care diagnostics.