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Environmental effects of oxide nanomaterials

Stanislaus Wong presents on the role of chemical composition, morphology, structure, size, and shape in the toxicity of nanomaterials

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Taking a closer look at graphene edges

Aberration-corrected TEM reveals how dopant atoms bond to the carbon sheet.

Multilayer graphene makes ultrasonic microphone

New device outperforms state-of-the-art commercial nickel-based devices over a large part of the acoustic spectrum.

Nanoflasks for tiny chemistry experiments

The pores formed when photosensitive nanoparticles aggregate in response to light could be used as nanoreactors.

Small fluorescent dye makes 'NIR-II' imaging easier

Molecule could help image tumours in vivo.

Bringing rigour to materials comparisons with 3D printing

(with audio) A mathematical framework for comparisons between different fields demonstrates insights into the mechanical properties of carbon nanomaterials using 3D-printed macroscale prototypes.

Plastics speed up AFM

Changing atomic force microscope cantilever material increases imaging rates by nearly 20 times.

Etch masks reach a higher dimension

Researchers devise a single-step process for fabricating etched structures aligned on more than one plane.

Nanocrystals convert infrared light into visible light

New films could help improve silicon-based solar cells and cameras.

Distinctive phonon properties boost thermoelectrics

First principle calculations highlight a distinction between phonons that carry heat, and phonons that ‘drag’ electrons, allowing improvements to thermoelectric devices.

Getting ready for the world’s first nanocar race

Prototype vehicles for 'smallest ever Formula 1' presented at Futurapolis.

Light speeds up nanorod motors

Fastest ever rotators might find use in a variety of nano-optomechanical sensing and actuation applications.

WSe2 shines bright at room temperature

Light-emitting tungsten selenide device could find applications in flexible optoelectronics such as LEDs, lasers and photodetectors.

'Intelligent' quantum sensor detects weak magnetic fields

Device can make measurements at the very limits allowed by quantum physics.

Quantum fingerprint is impossible to replicate

Manufacturing shortcoming is turned into a security opportunity.

Hybrid carbon foams serve as good heat conductors

New graphite-carbon nanotube materials could find use in thermal management applications.

Indium selenide makes high-gain phototransistor

New photodetector could be well suited for applications in which very weak light sources need to be detected – for example, in night vision or astronomy instruments.

Metal oxide thin films make wearable biosensors

Devices could be used in non-invasive health monitoring applications.

Optogenetics goes wireless

Researchers have designed new biocompatible platforms through which light can be delivered to virtually any targeted organ in the body.

Black phosphorous measures up for thermoelectric devices

(with audio) Quantum capacitance measurements reveal unique characteristics in the transport properties of black phosphorous.

Nanoscopy can make use of protein tags

Fluorescent protein-based super-resolution microscopy could be a reliable tool for biomedical research.