News tagged with gold nanoparticles

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Atomic 'mismatch' creates nano 'dumbbells'

Like snowflakes, nanoparticles come in a wide variety of shapes and sizes. The geometry of a nanoparticle is often as influential as its chemical makeup in determining how it behaves, from its catalytic properties to its ...

dateDec 05, 2014 in Nanomaterials
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Optical 'watermills' control spinning light

Scientists at King's have built on research they conducted last year to achieve previously unseen levels of control over the travelling direction of electromagnetic wave in waveguides and proved that the process works equally ...

dateNov 14, 2014 in Optics & Photonics
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What exactly is Google's 'cancer nanodetector'?

Last week, US tech giants Google made a splash in the media, announcing plans to develop new 'disease-detecting magnetic nanoparticles'. This was almost universally welcomed – after all, trying to detect diseases earlier ...

dateNov 11, 2014 in Bio & Medicine
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Nanoparticles break the symmetry of light

How can a beam of light tell the difference between left and right? At the Vienna University of Technology (TU Wien) tiny particles have been coupled to a glass fibre. The particles emit light into the fibre in such a way ...

dateOct 06, 2014 in Nanophysics
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