News tagged with oxidation state

Fingerprinting uranium: X-rays identify mobile, stationary forms of atomic pollutant

(PhysOrg.com) -- Determining if uranium will zip through the soil or not is easier now, thanks to scientists at Pacific Northwest National Laboratory and the University of North Texas. Dr. Eugene Ilton and ...

Chemistry / Analytical Chemistry

created Dec 19, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Setting the stage for life: Scientists make key discovery about the atmosphere of early Earth

Scientists in the New York Center for Astrobiology at Rensselaer Polytechnic Institute have used the oldest minerals on Earth to reconstruct the atmospheric conditions present on Earth very soon after its birth. The findings, ...

Space & Earth / Earth Sciences

created Nov 30, 2011 | popularity 4.4 / 5 (7) | comments 1 | with audio podcast

Researchers demonstrate an electrochromic nanoplasmonic optical switch

In a recent article in Nano Letters, CNST researchers describe a new high-contrast, low operating-voltage, electrochemical optical switch that uses a volume of active dye orders-of-magnitude smaller than that of conventional electr ...

Nanotechnology / Nanophysics

created Sep 01, 2011 | popularity 5 / 5 (1) | comments 0

Ultrathin copper-oxide layers behave like quantum spin liquid

(PhysOrg.com) -- Magnetic studies of ultrathin slabs of copper-oxide materials reveal that at very low temperatures, the thinnest, isolated layers lose their long-range magnetic order and instead behave like ...

Physics / Superconductivity

created Jun 10, 2011 | popularity 4.7 / 5 (7) | comments 1 | with audio podcast

Physicists observe exotic state in an unconventional superconductor

A new fractional vortex state observed in an unconventional superconductor may offer the first glimpse of an exotic state of matter predicted theoretically for more than 30 years. In a paper published in the ...

Physics / Superconductivity

created Jan 13, 2011 | popularity 4.9 / 5 (7) | comments 1 | with audio podcast

Rare form of silver observed during routine calibration

What started out as an ordinary instrument calibration task using silver turned into research gold for scientists at Pacific Northwest National Laboratory. Contradicting nearly 40 years of measurement history, ...

Physics / Condensed Matter

created Dec 20, 2010 | popularity 4.9 / 5 (9) | comments 1 | with audio podcast

Electron 'pairing': Triplet superconductivity proven experientially for first time

Researchers at Ruhr-Universitat Bochum, Christian-Albrechts-Universitat zu Kiel and Santa Barbara have made the first experimental breakthrough in quantum physics: Their studies on the "pairing behavior" of electrons have ...

Physics / Superconductivity

created Dec 01, 2010 | popularity 4.6 / 5 (5) | comments 3

Size matters in crucial redox reactions

(PhysOrg.com) -- Particle size has a far more dramatic impact on chemical reactivity than previously thought, according to new research from UC Davis. The results have implications for understanding a wide range of vital ...

Chemistry / Materials Science

created Oct 12, 2010 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Percolating a solution to hexavalent chromium

The metal chromium is an essential nutrient for plant and animal metabolism, but it can accumulate to toxic and hazardous levels in the environment when discharged in industrial waste water; a point made infamous by the movie ...

Space & Earth / Environment

created Oct 12, 2010 | popularity 5 / 5 (2) | comments 1

Roller coaster superconductivity discovered

Superconductors are more than 150 times more efficient at carrying electricity than copper wires. However, to attain the superconducting state, these materials have to be cooled below an extremely low, so-called ...

Physics / Superconductivity

created Aug 18, 2010 | popularity 4.7 / 5 (26) | comments 30 | with audio podcast

Improvement of superconductors within reach

An international group of physicists from the University of Augsburg in Germany, the University of Florida in Gainesville, and the Niels Bohr Institute at the University of Copenhagen have succeeded in creating ...

Physics / Superconductivity

created Jul 09, 2010 | popularity 4.5 / 5 (17) | comments 7 | with audio podcast

Nanoparticle scientist speaks on new discoveries at Goldschmidt Conference

Scientists who work at the atomic and molecular levels - nanoscale - have to think big. After all, it is at this level where everything happens.

Nanotechnology / Nanomaterials

created Jun 16, 2010 | popularity 1 / 5 (1) | comments 0

A different kind of mine disaster

The world's largest antimony mine has become the world's largest laboratory for studying the environmental consequences of escaped antimony -- an element whose environmental and biological properties are still ...

Space & Earth / Environment

created Apr 12, 2010 | popularity 3 / 5 (3) | comments 0

Ozone detection

Researchers in Freiburg, Germany, have developed a highly-sensitive, miniaturized mobile ozone sensor which can be used not only in air, but also in water and in the vicinity of explosive gases.

Technology / Engineering

created Jan 18, 2010 | popularity 5 / 5 (1) | comments 0

Scientists Show How Bacteria Move Electrons Across a Membrane

(PhysOrg.com) -- Scientists at the University of East Anglia, Pacific Northwest National Laboratory, and Pennsylvania State University have demonstrated for the first time the mechanism by which some bacteria ...

Chemistry / Biochemistry

created Dec 29, 2009 | popularity 4.5 / 5 (8) | comments 0