News tagged with iron particles

In Brief: Bifunctional plasmonic / magnetic nanoparticles

An amorphous-seed mediated strategy has been developed in the Center for Nanoscale Materials Nanophotonics Group at the Argonne National Laboratory for creating bifunctional nanoparticles composed of silver ...

Nanotechnology / Nanomaterials

created Aug 19, 2011 | popularity 5 / 5 (1) | comments 0

Manipulating nanoparticles' surface chemistry holds medical promise

(PhysOrg.com) -- Swapping the chemical groups that originally coat iron oxide nanoparticles and making the particles soluble in biological solvents shows great promise for medical applications, such as drug delivery and contrast ...

Nanotechnology / Bio & Medicine

created Aug 17, 2011 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

'Fool's Gold' from the deep is fertilizer for ocean life

Similar to humans, the bacteria and tiny plants living in the ocean need iron for energy and growth. But their situation is quite different from ours--for one, they can't turn to natural iron sources like ...

Space & Earth / Earth Sciences

created May 09, 2011 | popularity 5 / 5 (8) | comments 1 | with audio podcast

New method for making tiny catalysts holds promise for air quality

Fortified with iron: It's not just for breakfast cereal anymore. University of Illinois researchers have demonstrated a simpler method of adding iron to tiny carbon spheres to create catalytic materials that ...

Nanotechnology / Nanomaterials

created Dec 15, 2010 | popularity 4.3 / 5 (6) | comments 3 | with audio podcast

Inside Science Of Iron Man 2

When Iron Man 2 opens in theaters this Friday, you probably won't notice the science consultant who helped bring real science into the world of science fiction.

Other Sciences / Other

created May 05, 2010 | popularity 4.3 / 5 (11) | comments 13 | with audio podcast

'Ferropaper' is new technology for small motors, robots

(PhysOrg.com) -- Researchers at Purdue University have created a magnetic "ferropaper" that might be used to make low-cost "micromotors" for surgical instruments, tiny tweezers to study cells and miniature ...

Nanotechnology / Nanomaterials

created Jan 05, 2010 | popularity 3.9 / 5 (12) | comments 0 | with audio podcast

Better control of carbon nanotube 'growth' promising for future electronics

(PhysOrg.com) -- Researchers have overcome a major obstacle in efforts to use tiny structures called carbon nanotubes to create a new class of electronics that would be faster and smaller than conventional ...

Nanotechnology / Nanomaterials

created Oct 01, 2009 | popularity 4.9 / 5 (9) | comments 0

Ocean carbon: A dent in the iron hypothesis

Oceanographers Jim Bishop and Todd Wood of the U.S. Department of Energy's Lawrence Berkeley National Laboratory have measured the fate of carbon particles originating in plankton blooms in the Southern Ocean, ...

Space & Earth / Earth Sciences

created May 06, 2009 | popularity 4.7 / 5 (10) | comments 1

Deep-sea rocks point to early oxygen on Earth

Red jasper cored from layers 3.46 billion years old suggests that not only did the oceans contain abundant oxygen then, but that the atmosphere was as oxygen rich as it is today, according to geologists.

Space & Earth / Earth Sciences

created Mar 24, 2009 | popularity 4.9 / 5 (15) | comments 1

Progress Toward a Biological Fuel Cell?

(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) ...

Chemistry /

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