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Nanotechnology is starting to play a role in a number of commercial products, though in an evolutionary, rather than revolutionary way, says Peter Dobson.
In 1944, Erwin Schrödinger posed the question “How can the events in space and time which take place within the spatial boundary of a living organism be accounted for by physics and chemistry?” Studying out-of-equilibrium chemical systems may take us closer to an answer.
Shot noise can be suppressed, which is essential for improving the performance of quantum transport devices, by using an electronic closed-loop feedback that monitors and adjusts the counting statistics.
The electric field generated by the tip of a scanning tunnelling microscope can be exploited to locally and reversibly switch between a ferromagnetic state and a skyrmion.
Applying magnetic and electric fields to twisted bilayer graphene creates an electron–hole bilayer that features helical 1D edge modes and fractional quantum Hall states.
The fabrication of high-quality WSe2 monolayers makes it possible to access the fully valley- and spin-polarized structure of Landau levels theoretically predicted for transition metal dichalcogenides.
An atomic force microscope and confocal microscope set-up that allows nanomechanical mapping of virus binding under cell culture conditions shows that the first binding steps of a virus to a cell surface receptor are specific and weak, but affinity increases as more bonds are formed between the virus and cell surface receptors.
DNA-grafted gold nanoparticles can self-assemble into shape-changing films that are powered by DNA strand exchange reactions and have two different domains that can be independently addressed using distinct chemical signals.