Nanoparticles

A tiny silicon–oxygen-based polyhedron enters cellular nuclei to light them up selectively

A new type of composite material with peapod structures can help improve the performance of lithium-ion batteries

Solar cells can be made thinner and lighter with the help of aluminum particles

Compositional tuning proves to be an effective approach for the fabrication of semiconductor nanocrystals with novel optical functions

Gold nanoparticles power a quick and colorful method to detect protein–DNA interactions with nucleotide-specific sensitivity

A simple device made from carbon nanotubes might help in detecting the presence of heroin in the human body

Predicting the precise shape of metal nanostructures evaporated on an array of spheres is now possible using a mathematical algorithm

Rapid synthesis of nanoscale reporter tags offers a promising alternative to fluorescent labeling

A protective polymer shell enhances virus-mediated in vivo gene delivery

A lithographic approach based on evaporating solutions makes conducting networks of microwires for electronics

Tiny silver nanoparticles boost the efficiency of thin-film solar cells

Using a precise and fast nanoparticle-based technique, DNA detection by the naked eye is now possible