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Search results for Brownian motion

Nanophysics Mar 25, 2021

On-chip torsion balance with femtonewton force resolution at room temperature

The torsion balance contains a rigid balance beam suspended by a fine thread as an ancient scientific instrument that continues to form a very sensitive force sensor to date. The force sensitivity is proportional to the lengths ...

Biotechnology Mar 22, 2021

Novel DNA sensor can rapidly detect antibiotic-resistant pathogens

Antibiotics have revolutionized the field of medicine by making it possible to treat most known microbial diseases today. However, their uncontrolled usage has led to the major global problem of antibiotic resistance. As ...

Biochemistry Mar 19, 2021

The eukaryotic cell nucleus resembles the layout of a superstore

The headquarter of a eukaryotic cell is the nucleus, and most of the cell's information and instructions are stored there in the form of DNA (Deoxyribonucleic acid). The DNA, which is twisted, rolled and bundled in a two-meter-long ...

Nanophysics Feb 9, 2021

SINGLE: An open-source software package to identify the atomic-resolution structure of nanocrystals

Materials scientists typically use solution-phase transmission electron microscopy (TEM) to reveal the unique physiochemical properties of three-dimensional (3-D) structures of nanocrystals. In a new report on Science Advances, ...

Plasma Âé¶¹ÒùÔºics Jan 19, 2021

Experimental evidence of an intermediate state of matter between a crystal and a liquid

Scientists from the Joint Institute for High Temperatures Russian Academy of Sciences (JIHT RAS) and Moscow Institute of Âé¶¹ÒùÔºics and Technology (MIPT) have experimentally confirmed the presence of an intermediate phase between ...

Nanophysics Jan 14, 2021

Acoustofluidic centrifuge for nanoparticle enrichment and assortment

Liquid droplets have recently gained renewed attention as a simplified model for a variety of fascinating physical phenomena at the scale of the cell nucleus to stellar black holes. In a new report now published in Science ...

Other Dec 15, 2020

Best of Last Year: The top Âé¶¹ÒùÔº articles of 2020

It was a good year for research of all kinds as a team of geophysicists at the University of Maryland detected unexpected widespread structures near Earth's core. The structures were revealed as the researchers analyzed thousands ...

Nanophysics Nov 27, 2020

Microswimmers are inanimate microparticles, but they move like moths to the light

The Freigeist group at TU Dresden, led by chemist Dr. Juliane Simmchen, has studied an impressive behavior of synthetic microswimmers: as soon as the photocatalytic particles leave an illuminated zone, they flip independently ...

Analytical Chemistry Nov 23, 2020

Light-controlled nanomachine controls catalysis

The vision of the future of miniaturization has produced a series of synthetic molecular motors that are driven by a range of energy sources and can carry out various movements. A research group at Friedrich-Alexander-Universität ...

General Âé¶¹ÒùÔºics Oct 2, 2020

Âé¶¹ÒùÔºicists build circuit that generates clean, limitless power from graphene

A team of University of Arkansas physicists has successfully developed a circuit capable of capturing graphene's thermal motion and converting it into an electrical current.

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