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Search results for Brownian motion

Nanophysics Mar 28, 2016

Researchers make biosensor one million times more sensitive

Âé¶¹ÒùÔºicists and engineers at Case Western Reserve University have developed an optical sensor, based on nanostructured metamaterials, that's 1 million times more sensitive than the current best available—one capable of identifying ...

Bio & Medicine Feb 24, 2016

Nano-hinge—lubricated by light

Nanomachines could take over a variety of tasks in future. Some day they may be able to perform medical precision work in the human body or help analyze pathogens and pollutants in mobile laboratories. Scientists at the Max ...

Quantum Âé¶¹ÒùÔºics Feb 8, 2016

Quantum state of molecular ion measured live, non-destructively

The interaction of thermal energy from the environment with motional degrees of freedom is well known and often referred to as Brownian motion (also thermal motion). But in the case of polar molecules, the internal degrees ...

Nanophysics Dec 1, 2015

Nano-walkers take speedy leap forward with first rolling DNA-based motor

Âé¶¹ÒùÔºical chemists have devised a rolling DNA-based motor that's 1,000 times faster than any other synthetic DNA motor, giving it potential for real-world applications, such as disease diagnostics. Nature Nanotechnology is ...

Cell & Microbiology Nov 16, 2015

Large-scale modeling shows confinement effects on cell macromolecules

Using large-scale computer modeling, researchers have shown the effects of confinement on macromolecules inside cells—and taken the first steps toward simulating a living cell, a capability that could allow them to ask ...

Nanophysics Nov 16, 2015

Team makes light-driven nanosubmarines

Though they're not quite ready for boarding a lá "Fantastic Voyage," nanoscale submarines created at Rice University are proving themselves seaworthy.

Cell & Microbiology Oct 19, 2015

The phage is a lonely hunter

Sharks prowl the watery depths for their prey, lions stalk the tall-grass savannah, and bacteriophages, well, they've got snot. The thin layer of mucus that coats epithelial cells serves as the hunting ground for phages, ...

General Âé¶¹ÒùÔºics Oct 14, 2015

Active deformation dynamics of cell nuclei contribute to the formation of intra-nuclear chromosome architectures

A Japanese researcher has investigated the contributions of active deformation dynamics of cell nuclei using the Brownian motion theory.

General Âé¶¹ÒùÔºics Oct 9, 2015

Researchers settle long-standing debate about fundamental behavior of shaking particles

Particles floating in fluid perpetually flit about in all directions, a phenomenon referred to as Brownian motion. For example, proteins within our cells and pigment particles inside ink-jet printers wriggle and twitch their ...

Nanophysics Sep 28, 2015

New method for building on an atomic scale

UK scientists have pioneered a new way of manipulating several thousand atoms at a time, paving the way for building nanoscale electronic devices more quickly and easily at room temperature.

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