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Photonic crystal makes watt-class laser

Surface-emitting device could be used in materials processing, sensing, medicine and for making compact optical systems

Loaded nanostars kill cancer cells

Nanoparticles containing large amounts of therapeutic oligonucleotides make for better anti-tumour agents

Blow forming makes BMGs the easy way

A new and speedy technique identifies ideal bulk metallic glass alloys

Electrode nanogap makes good biosensor

New MCBJ can more accurately measure tunnelling currents from single molecules thanks to its insulator coating

Copper nanostructure improves liquid fuel yields

Nanocrystalline catalyst could help store renewable energy more efficiently

Microwaves reverse magnetization

New technique might be used to optimize hard drive writing times or help advance new MRAM device technologies

First principles shine a light on LED design

Studies of light-emitting diodes based on diffusion theory rather than simulations will for the first time allow lighting engineers to predict LED behaviour.

2D transfers made easy

New all-dry viscoelastic stamping technique does not require any wet chemistry steps at all

Graphene synthesis: Joining the dots

Growing oriented graphene seeds until they join up provides a scalable route to high-quality single-crystal graphene.

Virus coating helps deliver drugs

Capsid proteins and DNA “origami” nanostructures could help treat diseases like cancer

Doped semiconductor nanocrystals boost solar concentrators

“Zero self-absorption” quantum dots will make cheaper, more efficient solar cells

Scientists crack oyster's secret of strength

Nanoscale mechanisms that dissipate energy in oyster shells may help in the development of protective equiment.

Saliva powers a MFC

New graphene-anode microbial fuel cell produces nearly 1 µW of power – enough to run ultralow power lab-on-a-chip devices

Skin patch monitors "movement disorders"

New multitasking device can sense muscle motion, store data and deliver therapeutic drugs all at the same time

Graphene gains thermal vision

Room-temperature detector is first to cover infrared spectrum

New material offers angular control over light

Filter could be used in cameras and thermal solar systems

Y-function technique sidesteps contact resistance

Researchers can now calculate true electron mobilities in transistors

Molecular chain makes tiniest vibrating beam

Smallest ever nanomechanical resonator consists of just four to 12 individual weakly interacting molecules

Collective strength: enhancing sensors

An optical sensor based on a plasmonic metamaterial nanorod array allows highly explosive hydrogen to be detected with the naked eye

MoOx contacts passivate silicon solar cells

New device already boasts a very high open-circuit voltage of 711 mV and a remarkable solar-to-electric power conversion efficiency of 18.8%