News tagged with biological particles

Light touch keeps a grip on delicate nanoparticles

(Phys.org) -- Using a refined technique for trapping and manipulating nanoparticles, researchers at the National Institute of Standards and Technology (NIST) have extended the trapped particles' useful life ...

Nanotechnology / Bio & Medicine

created May 03, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

With you in the room, bacteria counts spike

A person's mere presence in a room can add 37 million bacteria to the air every hour -- material largely left behind by previous occupants and stirred up from the floor -- according to new research by Yale University engineers.

Biology / Other

created Mar 28, 2012 | popularity 4.4 / 5 (5) | comments 4 | with audio podcast

Cobblestones fool innate immunity

Coating the surface of an implant such as a new hip or pacemaker with nanosized metallic particles reduces the risk of rejection, and researchers at the University of Gothenburg, Sweden, can now explain why: they fool the ...

Nanotechnology / Bio & Medicine

created Nov 29, 2011 | popularity 5 / 5 (2) | comments 0

Carbon nanoparticles break barriers -- and that may not be good

A study by researchers from the schools of science and medicine at Indiana University-Purdue University Indianapolis examines the effects of carbon nanoparticles (CNPs) on living cells. This work is among ...

Nanotechnology / Bio & Medicine

created Sep 15, 2011 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Researchers' quest for gold

For University of Wisconsin-Milwaukee researchers studying the toxicity of gold nanoparticles - a minuscule material with potentially big biomedical applications - the road to a new medical advance may or may not be paved ...

Nanotechnology / Bio & Medicine

created Jul 22, 2011 | popularity not rated yet | comments 0

Scientists identify how cells respond to mechanical force

Many aspects of cell behaviour are influenced by mechanical force, but how single cells respond to these forces is unclear. An EU-funded team of researchers sheds light on the relationship between the signals ...

Biology / Cell & Microbiology

created Jul 08, 2011 | popularity not rated yet | comments 0

Researchers release systems biology educational game

Researchers at the new Morgridge Institute for Research at the University of Wisconsin-Madison have released the biomedical research organization's first digital learning game created through collaborations ...

Biology / Other

created Jul 04, 2011 | popularity 5 / 5 (3) | comments 0

Branch offices: New family of gold-based nanoparticles could serve as biomedical 'testbed'

(PhysOrg.com) -- Gold nanoparticles are becoming the ... well ... gold standard for medical-use nanoparticles. A new paper by researchers from the National Institute of Standards and Technology (NIST) and ...

Nanotechnology / Bio & Medicine

created Jun 22, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

The role of bacteria in weather events

Researchers have discovered a high concentration of bacteria in the center of hailstones, suggesting that airborne microorganisms may be responsible for that and other weather events. They report their findings today at ...

Biology / Cell & Microbiology

created May 24, 2011 | popularity 5 / 5 (1) | comments 1

'Kinks' in tiny chains reveal Brownian rotation

(PhysOrg.com) -- Rice University researchers have created a method to measure the axial rotation of tiny rods. The technique detailed in a paper by Sibani Lisa Biswal and her colleagues appears this month ...

Physics / General Physics

created May 19, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Water purification made simpler

(PhysOrg.com) -- Filtration systems used in homes in the developing world, says Kristen Jellison, can be made smaller and less expensive.

Space & Earth / Environment

created Dec 30, 2010 | popularity 5 / 5 (7) | comments 0

Bioengineers discover how particles self-assemble in flowing fluids

(PhysOrg.com) -- From atomic crystals to spiral galaxies, self-assembly is ubiquitous in nature. In biological processes, self-assembly at the molecular level is particularly prevalent.

Physics / Soft Matter

created Dec 13, 2010 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast

Developments in nanobiotechnology point to medical applications

Two new groundbreaking scientific papers by researchers at UC Santa Barbara demonstrate the synthesis of nanosize biological particles with the potential to fight cancer and other illnesses. The studies introduce ...

Nanotechnology / Bio & Medicine

created Aug 31, 2010 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Nutrients, viruses and the biological carbon pump

Adding nutrients to the sea could decrease viral infection rates among phytoplankton and enhance the efficiency of the biological pump, a means by which carbon is transferred from the atmosphere to the deep ocean, according ...

Biology / Other

created Jun 30, 2010 | popularity not rated yet | comments 0

Geometry affects drift and diffusion across entropic barriers

An understanding of particle diffusion in the presence of constrictions is essential in fields as diverse as drug delivery, cellular biology, nanotechnology, materials engineering, and spread of pollutants in the soil. When ...

Physics / General Physics

created Jun 16, 2010 | popularity 4 / 5 (1) | comments 0