News tagged with metal ions
How ion bombardment reshapes metal surfaces
To modify a metal surface at the scale of atoms and molecules — for instance to refine the wiring in computer chips or the reflective silver in optical components — manufacturers shower it with ions. ...
May 23, 2012 |
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'Copper pump's' potential benefit in cancer treatment
(Phys.org) -- A team of University of California, San Diego researchers has made new discoveries about a copper-transporting protein in the membranes of human cells that drug-discovery scientists can co-opt ...
May 17, 2012 |
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A step toward lighter batteries: Metal catalysts play important role in improving efficiency
A team of researchers at MIT has made significant progress on a technology that could lead to batteries with up to three times the energy density of any battery that currently exists.
Apr 02, 2010 |
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Could salt crusts be key ingredient in cooking up prebiotic molecules?
German scientists investigating the complex chemical mixture thought to be present in the early Earth’s oceans have found that amino acids can be 'cooked' into many other important chemical building blocks ...
Space & Earth / Earth Sciences
Sep 18, 2009 |
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Layered footballs: First two-dimensional organic metal made of fullerenes
(PhysOrg.com) -- Since their discovery in the mid 1980s, fullerenes have caused a sensation. The tiny hollow spheres made of 60 carbon atoms, constructed out of pentagons and hexagons like miniature soccer ...
Nanotechnology / Nanomaterials
Jun 09, 2010 |
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Silver nanoparticles trap mercury
(PhysOrg.com) -- Anyone who thinks amalgams are limited to tooth fillings is missing something: Amalgams, which are alloys of mercury and other metals, have been used for over 2500 years in the production ...
Nanotechnology / Nanomaterials
Feb 16, 2012 |
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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.
Feb 06, 2012 |
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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 ...
Sep 06, 2011 |
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Power thrust for spider silk
(PhysOrg.com) -- Spiderman would definitely have an easier time of things with this spider silk - for example, if he had to stop a getaway car moving off at 100 kilometres per hour. A five-millimetre-thick ...
Apr 24, 2009 |
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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
Feb 23, 2011 |
4.3 / 5 (6) |
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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
Dec 22, 2011 |
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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 ...
May 10, 2011 |
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Who killed the graphite anode? Researchers move silicon anode li-ion battery technology forward
(PhysOrg.com) -- Scientists at Pacific Northwest National Laboratory developed a lithium-ion (Li-ion) battery technology with reversible capacity of more than 1,600 milliamp hours per gram (mAh/g) after 40 ...
Oct 11, 2010 |
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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, ...
Mar 10, 2011 |
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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 ...
Nov 21, 2011 |
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