News tagged with iron oxide
Related topics: nanoparticles
Fool's gold may prove an unlikely alternative to overexploited catalytic materials
Catalytic materials, which lower the energy barriers for chemical reactions, are used in everything from the commercial production of chemicals to catalytic converters in car engines. However, with current catalytic materials ...
Feb 10, 2012 |
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Overcoming cancer drug resistance with nanoparticles
One of the ways in which cancer cells evade anticancer therapy is by producing a protein that pumps drugs out of the cell before these compounds can exert their cell-killing effects. A research team at Northwestern University ...
Nanotechnology / Bio & Medicine
Jan 20, 2012 |
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Engineers develop more effective MRI contrast agent for cancer detection
Many imaging technologies and their contrast agents — chemicals used during scans to help detect tumors and other problems — involve exposure to radiation or heavy metals, which present potential health risks to ...
Nanotechnology / Bio & Medicine
Dec 23, 2011 |
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Algal protein gives boost to electrochemical water splitting
Photosynthesis is considered the 'Holy Grail' in the field of sustainable energy generation because it directly converts solar energy into storable fuel using nothing but water and carbon dioxide (CO2). Scientists ...
Dec 19, 2011 |
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A new kind of metal in the deep Earth
(PhysOrg.com) -- The crushing pressures and intense temperatures in Earth's deep interior squeeze atoms and electrons so closely together that they interact very differently. With depth materials change. New ...
Dec 19, 2011 |
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Rise of atmospheric oxygen more complicated than previously thought
The appearance of oxygen in the Earth's atmosphere probably did not occur as a single event, but as a long series of starts and stops, according to an international team of researchers who investigated rock ...
Space & Earth / Earth Sciences
Dec 01, 2011 |
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Debut of chromium signatures clocks great oxidation event
Banded ironstone core samples from the Pilbara have aided in dating the first appearance of atmospheric oxygen at 2.48 billion years ago.
Space & Earth / Earth Sciences
Nov 25, 2011 |
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Nanoparticles and Mini-NMR point the way to personalized cancer therapy
(PhysOrg.com) -- With the advent of targeted drug therapy for treating cancer, it has become clear that an important predictor of success of these therapies is whether such a drug is reaching its target in the patient. The ...
Nanotechnology / Bio & Medicine
Nov 21, 2011 |
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Physicists discover 'magnetotoroidic effect'
(PhysOrg.com) -- For many years, scientists have known about the magnetoelectric effect, in which an electric field can induce and control a magnetic field, and vice versa. In this effect, the electric field has always been ...
Sep 26, 2011 |
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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
Aug 19, 2011 |
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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
Aug 17, 2011 |
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Moon glides by bright star, Mars next week before dawn
(PhysOrg.com) -- The Moon puts on a great show before dawn next week as it passes by a bright star and planet, according to the editors of StarDate magazine.
Space & Earth / Space Exploration
Jul 22, 2011 |
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Rhodium-iron catalyst helps increase yield of hydrogen gas in steam reforming of ethanol
Vehicles powered by hydrogen fuel cells generate no exhaust emissions other than clean water vapor. Unfortunately, producing and distributing large quantities of hydrogen gas is impossible with current infrastructures. ...
Jul 07, 2011 |
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NASA research offers new prospect of water on Mars
(PhysOrg.com) -- NASA scientists are seeing new evidence that suggests traces of water on Mars are under a thin varnish of iron oxide, or rust, similar to conditions found on desert rocks in California's Mojave ...
Space & Earth / Space Exploration
Jul 02, 2011 |
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Tackling tumors with iron oxide
(PhysOrg.com) -- Detecting cancer cells and destroying them, injecting drugs with extreme precision into diseased cells in the human body – these are just two examples of what EPFL scientists are attempting ...
Nanotechnology / Bio & Medicine
Jul 01, 2011 |
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