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Tag: Phyics World

Kerker scattering locates particles with subatomic precision

Being able to precisely locate individual nanoparticles in a device is no easy task but it is important for many research fields, including nanometrology,...

New type of noise found lurking in nanoscale devices

A new type of electronic noise has been discovered by a team of physicists and chemists in Israel and Canada. Dubbed “delta-T noise”, the...

Cobalt offers rare-earth alternative

A rare-earth-free permanent magnet with properties approaching those of neodymium-based formulations has been created by researchers in France. Speaking at the 9th Joint European...

Nanodiamonds shine brighter

Nitrogen-vacancy (NV) impurities in nanodiamonds could be used as single-photon sources in quantum technologies, such as quantum computers and quantum sensors, thanks to their...

Dispersible nano-electrode sensors could detect early-stage cancer

Dispersible electrodes based on gold-coated magnetic nanoparticles modified with DNA can detect microRNA in unprocessed blood samples at extremely low concentrations and over a...

Modular system builds effective vaccines

There are two ways to make vaccines: use a virus or bacterium and kill or modify it; or produce a single part of the...

Designing space for scientific innovation

World class equipment can be useless if the surrounding lab architecture is not conducive to optimum performance. Physics World talks to Wilson Architects, specialists...

Nanoparticles set spinning record

If a jet engine spins faster than about 1000 Hz, the forces on its outer edge may rip it apart. But two research teams...

Nanowire thickness alters GaAs band structure

Researchers at Lund University, Sweden, have grown single continuous GaAs nanowires consisting of segments of pure wurtzite and zincblende phases. Using photoluminescence spectroscopy, they...

DNA origami produces silica ‘diatoms’

Using a technique called DNA origami, researchers in the US and China have succeeded in designing biomimetic silica nanocomposites with pre-defined sizes and shapes...

Nanocolloidal hydrogel scavenges heavy metals

Water contaminated with heavy metals is becoming an increasingly serious problem in many developing countries. For example, mercury, produced during some types of gold...

Could graphene quantum dots help treat Parkinson’s disease?

Quantum dots made from the carbon material graphene prevent alpha-synuclein from aggregating into strand-like structures known as fibrils. They also help disaggregate fibrils that...

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