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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.
Experiments have shown that carbon nanotubes are ideal optical wires, with properties affected by excitonic and other intrinsic properties, as well as by shape.
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+.
Graphene nanoribbons manufactured by annealing unzipped carbon nanotubes have been measured to have a large energy bandgap of ∼50 meV, even for widths of ∼100 nm.
Cadmium concentrations in ciliates increase when bacteria that contain CdSe quantum dots are consumed by ciliate predators, suggesting that quantum dots could potentially be available to other levels of the food web.
Surface-enhanced Raman emission can measure the effective temperatures both of the vibrational modes and the flowing electrons in a nanoscale junction.
An endoscope formed by attaching carbon nanotubes to the tips of glass micropipettes can be used to probe intracellular processes, and transport fluids and nanoparticles to and from precise locations.
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.
An ultrafast visible band in the photoluminescence spectrum of silicon nanocrystals increases in intensity and shifts to longer wavelengths as the size of the nanocrystals decreases.
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 magnetic state of a thin film of iron can be controlled by an electric field, demonstrating that high-density non-volatile information storage in metals is possible.