News tagged with biological particles


Breakthrough with light could help viral research

Physics / Optics & Photonics

created Oct 20, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- Researchers have developed a method using the force of light to gently trap, manipulate and study tiny, active objects as miniscule as viruses -- opening doors to expanded viral research.


First direct observations of biological particles in high-altitude ice clouds

First direct observations of biological particles in high-altitude ice clouds

Space & Earth / Earth Sciences

created May 17, 2009 | popularity 4.3 / 5 (10) | comments 1

A team of UC San Diego-led atmospheric chemistry researchers moved closer to what is considered the "holy grail" of climate change science when it made the first-ever direct detection of biological particles ...





Search results for biological particles


Nanoparticle toxicity doesn't get wacky at the smallest sizes

Nanotechnology / Bio & Medicine

created Feb 16, 2009 | popularity 4 / 5 (4) | comments 3

(PhysOrg.com) -- The smallest nano-sized silica particles used in biomedicine and engineering likely won't cause unexpected biological responses due to their size, according to work presented today. The result should allay ...


Ice-nucleating Bacteria

Rain, snow forms with aid of living organisms: study

Biology /

created Feb 28, 2008 | popularity 4.6 / 5 (17) | comments 0

Brent Christner, LSU professor of biological sciences, in partnership with colleagues in Montana and France, recently found evidence that rain-making bacteria are widely distributed in the atmosphere. These ...


Spit, anyone?

Spit, anyone?

Other Sciences / Other

created Apr 14, 2009 | popularity 4.3 / 5 (3) | comments 0

Mark Nicas has given some of his best years to spittle. He builds models - the mathematical kind - of how someone else's slobber ends up on you. The size of the particles, whether they come out in a dry co ...


Sniffing out a broad-spectrum of airborne threats in seconds

Chemistry /

created Jun 09, 2008 | popularity 5 / 5 (1) | comments 0

Scientists in California are reporting successful laboratory and field tests of a new device that can sniff out the faintest traces of a wide range of chemical, biological, nuclear, and explosive threats - and illicit drugs ...


Researchers discover new way to control particle motion

Physics / General Physics

created Mar 17, 2008 | popularity 4.3 / 5 (8) | comments 0

Chemical engineers at The University of Texas at Austin have discovered a new way to control the motion of fluid particles through tiny channels, potentially aiding the development of micro- and nano-scale technologies such ...


NIST reference materials are 'gold standard' for bio-nanotech research

NIST reference materials are 'gold standard' for bio-nanotech research

Nanotechnology / Nanomaterials

created Jan 09, 2008 | popularity 5 / 5 (1) | comments 0

The National Institute of Standards and Technology has issued its first reference standards for nanoscale particles targeted for the biomedical research community—literally “gold standards” for labs studying ...


Blood Brothers: Particles Form Strong Bonds in Blood Vessels (w/ Video)

Nanotechnology / Nanomaterials

created Sep 16, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Functionalized nano- and microscale particle systems have become a key component in biomedical applications, from drug delivery to prosthetics. Their small size and potential for modification and functionalization ...


Gluing particles together on the micro- and nano-scale

Nanotechnology / Nanomaterials

created Jun 14, 2009 | popularity 5 / 5 (3) | comments 3

Researchers at New York University have created a method to precisely bind nano- and micrometer-sized particles together into larger-scale structures with useful materials properties. Their work, which appears in the latest ...


'Femtomolar Optical Tweezers' May Enable Sensitive Blood Tests

'Femtomolar Optical Tweezers' May Enable Sensitive Blood Tests

Physics / General Physics

created Nov 13, 2008 | popularity 4.7 / 5 (3) | comments 1

(PhysOrg.com) -- Cutting-edge “tweezers” are so sensitive that they can feel the tell-tale tug of tiny concentrations of pathogens in blood samples, yet don’t ever need to be sterilized—or even held—as they ...


Progress Toward a Biological Fuel Cell?

Chemistry /

created Dec 30, 2008 | popularity 5 / 5 (5) | comments 2

(PhysOrg.com) -- Biological fuel cells use enzymes or whole microorganisms as biocatalysts for the direct conversion of chemical energy to electrical energy. One type of microbial fuel cell uses anodes (positive electrodes) ...



List of search results for biological particles