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News tagged with metal ions

Copper + love chemical = big sulfur stink

When Hiroaki Matsunami, Ph.D., at Duke set out to study a chemical in male mouse urine called MTMT that attracts female mice, he didn't think he would stumble into a new field of study.

Chemistry / Biochemistry

created Feb 06, 2012 | popularity 4.3 / 5 (6) | comments 1 | with audio podcast

Reducing ion exchange particles to nano-size shows big potential

Sometimes bigger isn't better. Researchers at the U.S. Department of Energy's Savannah River National Laboratory have successfully shown that they can replace useful little particles of monosodium titanate (MST) with even ...

Nanotechnology / Nanomaterials

created Jan 30, 2012 | popularity 5 / 5 (2) | comments 0

Plasmonic nanocrosses that heat up when illuminated can be used to kill cancer

Plasmonic nanoparticles are extremely sensitive to light, and even the tiniest amount can cause these particles to heat up. Scientists are now trying to use plasmonic nanoparticles in cancer therapy whereby ...

Nanotechnology / Bio & Medicine

created Dec 23, 2011 | popularity 5 / 5 (2) | comments 0

Battery-powered Christmas carol: A trip down memory (effect) lane

(PhysOrg.com) -- As consumers anticipate unwrapping the latest electronic gadget during the holidays, they may not give much thought to how long their shiny devices will last. But it's a topic under significant ...

Technology / Energy & Green Tech

created Dec 22, 2011 | popularity not rated yet | comments 0 | with audio podcast

New hip implants no better than traditional implants

New hip implants appear to have no advantage over traditional implants, suggests a review of the evidence published in the British Medical Journal today.

Medicine & Health / Other

created Nov 30, 2011 | popularity not rated yet | comments 0

Cancer drug cisplatin found to bind like glue in cellular RNA

An anti-cancer drug used extensively in chemotherapy binds pervasively to RNA -- up to 20-fold more than it does to DNA, a surprise finding that suggests new targeting approaches might be useful, according to University of ...

Chemistry / Biochemistry

created Nov 21, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

New material shows promise for trapping pollutants

(PhysOrg.com) -- Water softening techniques are very effective for removing minerals such as calcium and magnesium, which occur as positively-charged ions in "hard" water. But many heavy metals and other inorganic ...

Chemistry / Materials Science

created Sep 06, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Screens set to go green

Fitting the screens of electronic devices, such as televisions and smartphones, with a new display technology called 'organic light-emitting diodes' (OLEDs) will reduce their energy consumption, but such screens ...

Chemistry / Materials Science

created Aug 22, 2011 | popularity 5 / 5 (4) | comments 0

Exotic quantum crystal discovered

Nature knows two opposite types of solids: one that emerges upon compression from a liquid and a second that appears if the pressure on a liquid is reduced. While the former is typical for substances in our ...

Physics / Condensed Matter

created Aug 10, 2011 | popularity 4.8 / 5 (4) | comments 0

Engineering blue-hued flowers

Flower color in plants is determined by pigments such as aurones, anthocyanins, and carotenoids. Research has found that the ultimate color displayed is dependent not only on the pigment present, but also on other factors, ...

Biology / Plants & Animals

created Jun 27, 2011 | popularity not rated yet | comments 0

How microbes take out the trash

(PhysOrg.com) -- The molecular machinery bacteria use to rid themselves of toxic substances including antimicrobial drugs has been studied in detail by a UA-led team of researchers. A better understanding ...

Biology / Cell & Microbiology

created May 10, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Sweet chemistry: Carbohydrate adhesion gives stainless steel implants beneficial new functions

A new chemical bonding process can add new functions to stainless steel and make it a more useful material for implanted biomedical devices. Developed by an interdisciplinary team at the University of Alberta and Canada's ...

Chemistry / Materials Science

created Apr 27, 2011 | popularity 3 / 5 (4) | comments 0

Layered metallic hydroxide crystals traps carbon dioxide gas at elevated temperatures

'Scrubbing' carbon dioxide (CO2) from industrial exhaust gases is one of the critical steps needed to reduce CO2 emissions. It remains a major challenge for researchers, however, to find materials that can re ...

Chemistry / Materials Science

created Mar 28, 2011 | popularity 2 / 5 (1) | comments 0

The role of metal ions in amyotrophic lateral sclerosis

(PhysOrg.com) -- Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, is a progressive neurodegenerative disease that affects motor neurons in the spinal cord, leading to muscle weakness, ...

Chemistry / Biochemistry

created Mar 10, 2011 | popularity 3.3 / 5 (3) | comments 2 | with audio podcast

Metallic molecules to nanotubes: Spread out!

(PhysOrg.com) -- A lab at Rice University has stepped forward with an efficient method to disperse nanotubes in a way that preserves their unique properties -- and adds more.

Nanotechnology / Nanomaterials

created Feb 23, 2011 | popularity 4.3 / 5 (6) | comments 0 | with audio podcast