News tagged with sodium ions

Renewable Energy Made by Mixing Salt and Fresh Water

(PhysOrg.com) -- When a river flows into the sea, the location is more than just a haven for water commerce. The mixing of fresh and salt water that occurs at an estuary also dissipates energy, as the different ...

Technology / Energy & Green Tech

created Sep 02, 2009 | popularity 4.3 / 5 (29) | comments 6 feature

The heat is on for sodium-manganese oxide rechargeable batteries

(PhysOrg.com) -- By adding the right amount of heat, researchers have developed a method that improves the electrical capacity and recharging lifetime of sodium ion rechargeable batteries, which could be a ...

Nanotechnology / Nanomaterials

created Jun 07, 2011 | popularity 4.8 / 5 (4) | comments 4 | with audio podcast

New material traps radioactive ions using 'Venus flytrap' method

(PhysOrg.com) -- Like a Venus flytrap, a newly discovered chemical material is a picky eater -- it won't snap its jaws shut for just anything. Instead of flies, however, its favorite food is radioactive nuclear ...

Chemistry / Other

created Feb 26, 2010 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Nanotube transistor controlled by ATP could improve man-machine communication

Scientists have built a hybrid bionanoelectronic transistor that can be powered by ATP, or adenosine triphosphate, the energy currency in living cells. The researchers, Aleksandr Noy and colleagues from Lawrence Livermore ...

Nanotechnology / Nanophysics

created May 13, 2010 | popularity 4.8 / 5 (17) | comments 3 | with audio podcast weblog

Scientists make nontoxic, bendable nanosheets

(Phys.org) -- Cornell materials scientists have developed an inexpensive, environmentally friendly way of synthesizing oxide crystal sheets, just nanometers thick, which have useful properties for electronics ...

Nanotechnology / Nanomaterials

created Apr 11, 2012 | popularity 4.6 / 5 (7) | comments 0 | with audio podcast

Nanostructured electrodes for rechargeable sodium-Ion batteries

Highly efficient 3V cathodes for rechargeable sodium-ion batteries have been developed by users from Argonne National Laboratory's Materials Science, Chemical Sciences & Engineering, and X-ray Sciences Divisions, ...

Nanotechnology / Nanomaterials

created Feb 13, 2012 | popularity 4.5 / 5 (4) | comments 0 | with audio podcast

A Venus flytrap for nuclear waste

Not every object is food to a Venus flytrap. Like the carnivorous plant, a new material developed at Northwestern University permanently traps only its desired prey, the radioactive ion cesium, and not other harmless ions ...

Chemistry / Materials Science

created Jan 26, 2010 | popularity 4.5 / 5 (8) | comments 0 | with audio podcast

Making sodium-ion batteries that are worth their salt

(PhysOrg.com) -- Although lithium-ion technology dominates headlines in battery research and development, a new element is making its presence known as a potentially powerful alternative: sodium.

Technology / Energy & Green Tech

created Oct 25, 2011 | popularity 4.5 / 5 (6) | comments 1 | with audio podcast

New metal alloy electrode designed for plus-sized ions

(PhysOrg.com) -- Storing energy from wind farms and releasing that electricity on demand requires high-capacity, low-cost batteries; sodium-ion batteries could be part of the answer now, thanks to fundamental ...

Chemistry / Materials Science

created Apr 04, 2012 | popularity 5 / 5 (3) | comments 2 | with audio podcast

Lithium to be extracted from geothermal waste

(PhysOrg.com) -- A technique developed by a Californian company, Simbol Mining, will enable the valuable mineral lithium, widely used in high-density batteries, to be reclaimed from the hot waste water produced ...

Technology / Energy & Green Tech

created Dec 14, 2009 | popularity 5 / 5 (15) | comments 4 weblog

Light now in sight: Control of a 'blind' neuroreceptor with an optical switch

When nerve cells communicate with one another, specialized receptor molecules on their surfaces play a central role in relaying signals between them. A collaborative venture involving teams of chemists based at Ludwig-Maximilians-Universitat ...

Chemistry / Biochemistry

created Jan 10, 2012 | popularity 5 / 5 (4) | 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

A common thread: No pain, no smell

(PhysOrg.com) -- In a recent study published in Nature by Jan Weiss and Frank Zufall of the University of Saarland, School of Medicine, a connection has been made between the inability to feel pain and anosmia - the inabil ...

Medicine & Health / Medical research

created Mar 25, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast report

Sodium plays key role in tissue regeneration

Sodium gets a bad rap for contributing to hypertension and cardiovascular disease. Now biologists at Tufts University's School of Arts and Sciences have discovered that sodium also plays a key role in initiating ...

Medicine & Health / Neuroscience

created Sep 28, 2010 | popularity 4.9 / 5 (17) | comments 2 | with audio podcast

Cystic fibrosis gene typo is a double whammy

An imbalance of salt and water in patients with cystic fibrosis makes their lungs clog up with sticky mucus that is prone to infection. The cause of the offending imbalance is a well-known genetic error, one that blocks the ...

Chemistry / Biochemistry

created Nov 12, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast