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Polymer-coated nanoparticles of a certain size can unfold fibrinogen and induce the binding of an integrin receptor that triggers the release of inflammatory signals.
Spin-coherence times of ∼0.9 µs and Rabi oscillations with frequencies between 2 and 20 MHz have been observed in colloidal ZnO quantum dots doped with Mn2+.
Surface-enhanced Raman emission can measure the effective temperatures both of the vibrational modes and the flowing electrons in a nanoscale junction.
Nanochannels fabricated by standard semiconductor techniques can exhibit enhanced cation mobilities that are up to four times as high as bulk values of the mobility.
A single α-haemolysin protein is inserted into a solid-state nanopore to form a hybrid structure that is potentially more suited towards creating wafer-scale device arrays for genomic sequencing and protein studies.
Thin films made of silver flakes and multiwalled carbon nanotubes decorated with silver nanoparticles are highly conductive and are capable of being stretched and printed.
Aberration-corrected scanning transmission electron microscopy, combined with dynamical multislice image simulations, can identify individual atoms in supported rhodium–iridium clusters and map their full structure.
Carbon-nanotube transistors exhibit improved performance when their channel length is scaled from 3 μm to 15 nm, and are adversely affected by contact length scaling below 100 nm.
Superchiral electromagnetic fields can be used to detect adsorbed biomolecules at the picogram level and to probe their chiral supramolecular structure.
An atomic force microscope can measure the distances between 5-methylcytidine bases in individual DNA strands with a resolution of 4 Å, which should prove useful in studies of gene expression.
The unexpectedly low electron mobility in titania nanotubes is due to exciton-like trap states, rather than to grain boundaries or disorder as in other nanomaterials.
A Möbius strip — a ribbon-like structure with only one side — can be assembled from DNA origami and then reconfigured into various topologies by cutting along the length of the strip.
Graphene nanoribbons with a room-temperature bandgap have been grown on templated silicon carbide substrates at high density without the need for etching.
Optical rectification and electric-field enhancements in excess of 1,000 are observed when a subnanometre gap between gold electrodes is illuminated with infrared radiation.