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Nanotechnology research highlights: find out what the authors have to say

Patterned cathodes offer fine control over nanorod size and position

Shrinking the size of the pre-patterned cathode bridge to less than 200 nm allows scientists to control rod height and location for potential applications such as plasmonic waveguiding.

Structural monitoring added to application list for nanogenerators

Data from self-powered, low-cost vibration sensors compared with laser vibrometer readings.

Silk protein fibroin-blended nanoparticles for drug delivery

Processing enhances stability and drug release rate and also increases mechanical and biodegradable properties of the material.

Hybrid nanostructures detect 1 ppm carbon monoxide

University of Wisconsin-Milwaukee team reports sensing behaviour of tin oxide decorated single-walled carbon nanotubes.

Nanowires and belts show inhomogeneity in optical phases

Micro-nanostructures could provide a useful test platform and might lead to new light sources.

Improving the performance of dye-sensitized solar cells at larger cell sizes

Using a metallic Ti foil layer instead of FTO conductive glass and replacing part of the TiO2 nanoparticle layer with a TiO2 nanotube layer in the anode benefits bigger devices.

Genotoxicity of dental restoration nanocomposite evaluated

Biocompatibility of nanosilica fillers assessed using comet assay and chromosome aberration tests.

Reduced graphene oxide passes high-frequency transmission test

Thin sheets made using simple solution processing show stable and competitive transmission capability in the RF range, which could be put to use in sensors and interconnects.

Nanosphere lithography pit pattern provides template for 3D densely ordered Ge QD crystals

Fudan University team fabricates up to 10 layers of 3D highly ordered and closely spaced Ge quantum dots on silicon.

Laser beam exfoliates graphite to form chemically tunable platform

Green synthesis route produces free-standing reduced graphene oxides at water–air interface.

Carbon nanoparticles in sea urchin larvae induce biomineralization

Exposure to nanomaterial triggers defence mechanism that produces pearl-like biomaterial.

Nanoanalysis improves heart of particle accelerator

Small niobium hydride precipitates may explain anomalies in superconducting radio frequency cavities.

Ions measure roughness of buried interfaces

Custom SIMS set-up characterizes functional multilayer structures grown using ALD.

External charges tune ion-selective nanopore

Simulations show that hydration structures around ions play a prominent role in the selectivity process.

Deformation of nano-asperities captured on video

Observing how point contact deforms during lateral displacement could give new insight on friction.

Antibacterial coatings: taking lessons from nature

Chitosan films loaded with silver nanoparticles exhibit strong biocidal action against antibiotic-resistant and biofilm-forming strains of Staphylococcus aureus after short contact times.

Energy storage team designs carbon-encapsulated Fe3O4 nanocrystals

Simple glucose treatment could help to expand the electronic or electrochemical applications of metal oxides.

Fluorescent gold nanoclusters grown on DNA provide sensing platform

Nanoclusters grown selectively on cytosine-rich DNA could lead to more stable sensors.

Controlling carbon nanotube deposition from solution

Nanodevice team studies the interplay between dielectrophoresis and electrothermal forces.

Micromagnetic simulations examine non-monotonic spin-wave tunneling across a barrier

Spin-wave transmission rate strongly related to the coupling state of edge magnetization beside the gap.