News tagged with cadmium
The e-waste dilemma
Nov 24, 2009 |
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(PhysOrg.com) -- Electronic devices could create significant environmental and health problems after they are thrown away. UC Irvine researchers are working with engineers, manufacturers and public health ...
Electronic Waste Needs to Go Green
Nov 10, 2009 |
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(PhysOrg.com) -- Americans love their consumer electronics, but what happens to all the gadgets when their useful life is over? Despite being one of the largest generators of "e-waste" in the world, the U.S. has no federal ...
Transforming nanowires into nano-tools using cation exchange reactions
Oct 23, 2009 |
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A team of engineers from the University of Pennsylvania has transformed simple nanowires into reconfigurable materials and circuits, demonstrating a novel, self-assembling method for chemically creating nanoscale ...
Water quality in orbit: Scientists test H2O disinfection on International Space Station
Chemistry / Analytical Chemistry
Sep 14, 2009 |
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Space is not a fun place to get a stomach bug. To ensure drinking water is adequately disinfected, University of Utah chemists developed a two-minute water quality monitoring method that just started six months ...
Let there be light: Teaching magnets to do more than just stick around
Aug 20, 2009 |
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(PhysOrg.com) -- That palm tree magnet commemorating your last vacation is programmed for a simple function - to stick to your refrigerator. Similarly, semiconductors are programmed to convey bits of information small and ...
Junking old electronic equipment does not compute
Jul 31, 2009 |
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The box is about 4 feet by 4 feet, and stuffed inside are a few thousand dollars worth of "trash."
Making nanoparticles in artificial cells
Nanotechnology / Bio & Medicine
Jun 26, 2009 |
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Two new construction manuals are now available for the world's smallest lamps. Based on these protocols, scientists from the Max Planck Institute of Colloids and Interfaces have tailor-made nanoparticles that ...
Study shows transfer of heavy metals from water to fish in Huelva estuary
Jun 16, 2009 |
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A team of researchers from the University of Cadiz has confirmed that zinc, copper and lead are present at high levels in the water and sediments of the Huelva estuary, and have studied how some of these heavy metals are ...
Bristly Spheres as Capsules
Mar 06, 2009 |
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(PhysOrg.com) -- Amphiphilic molecules, which have one water-friendly (hydrophilic) end and one water-repellant (hydrophobic) end, spontaneously aggregate in aqueous solutions to make superstructures like ...
New imaging technique reveals the atomic structure of nanocrystals
Feb 18, 2009 |
4.9 / 5 (8) |
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(PhysOrg.com) -- A new imaging technique developed by researchers at the University of Illinois overcomes the limit of diffraction and can reveal the atomic structure of a single nanocrystal with a resolution ...
Engineering nanoparticles for maximum strength
Nanotechnology / Nanomaterials
Oct 20, 2008 |
4.8 / 5 (16) |
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Because they are riddled with defects, bulk crystalline materials never achieve their ideal strength; nanocrystals, on the other hand, are so small there's no room for defects. Yet while nanocrystalline materials ...
Low level cadmium exposure linked to lung disease
Aug 19, 2008 |
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(PhysOrg.com) -- New research suggests that cadmium is one of the critical ingredients causing emphysema, and even low-level exposure attained through second-hand smoke and other means may also increase the chance of developing ...
