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Transparent films of carbon nanotubes can accommodate strains of up to 150% and demonstrate conductivities as high as 2,200 S cm−1 in the stretched state.
A nanoscale optomechanical resonator in a double-well potential has been excited into the high-amplitude regime, and then optically cooled to a specific at-rest configuration, which allows it to be operated as a non-volatile memory element.
Dynamic internal gradients of ions and electrons can be used to direct electric currents through films of charged metal nanoparticles, and allows current rectifiers, switches and diodes to be created.
A new device made up of a nanochannel and two microchannels can deliver well-defined amounts of molecules directly into cells without affecting cell viability.
The photoluminescence quantum yield of photogenerated carriers in silicon nanocrystals increases in a step-like fashion as photon energy is increased, consistent with high-efficiency carrier multiplication.
The bulk conductivity of a topological insulator composed of Bi, Sb and Te can be reduced by orders of magnitude by tuning the ratio of Bi to Sb, allowing surface states to dominate conduction.
Multi-criteria decision analysis and a value of information approach are used to develop a model for prioritizing research strategies into the environmental and human-health aspects of nanotechnology.
Incorporating gold nanowires into scaffolds used to create heart patches can improve electrical communication between cells and enhance the growth of tissues.
Thin films of strongly coupled PbSe quantum dots exhibit light-induced charge generation with a yield of one electron and one hole per photon over a wide temperature range.
Simulation studies show that nanotubes with carbon shells at their tips are taken up by cells through the tip first, at a small angle of entry, before being rotated to a near-vertical alignment.
The three-way junction domain of the phi29 bacteriophage can be assembled from three pieces of RNA oligomers to form stable multifunctional nanoparticles that are useful for the treatment of different diseases.
Iron oxide and zinc oxide core–shell nanoparticles can deliver antigens into dendritic cells and also act as an imaging agent for cancer immunotherapy.
Gold nanoparticles can inhibit the amplification of base mismatches in DNA, allowing the genes associated with certain diseases to be identified more accurately for large sample sets.
A biological nanopore is used to detect circulating microRNA in the plasma of lung cancer patients, offering a non-invasive method to screen and diagnose diseases.