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The resistance of a GaMnAs bridge can be controlled by changing the magnetic state of a chain of cobalt nanoparticles strung across it

Quantum dots tagged with cholera toxin can label just about any mammalian cell type

With nanoimprint lithography, it is possible to make complex laser cavities with good quality and at low cost

Candle soot is a rich source of carbon nanoparticles that can be purified with a gel-based technique borrowed from biochemistry

A new water-based ink containing carbon nanotubes can be used to paint a conducting surface and produces ordered nanotube arrays on drying

A theoretical study predicts which molecular linkers will be most effective at fixing carbon nanotubes or graphene to a metal surface with good electrical contact

Highly purified single-walled carbon nanotubes show antimicrobial activity

Graphene-based gas sensors can achieve the ultimate level of sensitivity by detecting the adsorption of single molecules

Vertically aligned single-crystal zinc oxide nanotubes can be grown using a traditional metal–organic chemical vapour deposition technique

Nanotechnology could lead to materials that are stronger, lighter and stiffer. This is not a new claim but, as Richard Jones explains, it is an important one.

The cellulose nanofibrils that are found in wood and other natural materials are similar to carbon nanotubes in many ways and could be used to strengthen composites for manufacturing.

Self-assembled monolayers of molecular diamonds on metal substrates have excellent electron-emission properties, bringing field-emission displays based on diamondoids a step closer to reality.

Focusing on the commercialization of research results and avoiding unnecessary duplication of effort are central to South Korea's approach to nanotechnology, as Adarsh Sandhu reports.

A combination of self-assembly techniques has been used to pattern ordered metallic nanowire arrays on silicon substrates in a versatile process that could prove useful for semiconductor electronics and sensing applications.