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News tagged with strontium

New bacterium forms intracellular minerals

A new species of photosynthetic bacterium has come to light: it is able to control the formation of minerals (calcium, magnesium, barium and strontium carbonates) within its own organism. Published in Science on Apr ...

Biology / Cell & Microbiology

created May 11, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Open, Ring! Highly electrophilic cationic complexes as catalysts in immortal ring-opening polymerization of lactide

(Phys.org) -- Certain complexes of large alkaline earth elements such as calcium, strontium, and barium are efficient catalysts for various organic reactions. However, the stability of these heteroleptic complexes ...

Chemistry / Materials Science

created May 18, 2012 | popularity not rated yet | comments 0

Quantum quirk: Scientists pack atoms together to prevent collisions in atomic clock

In a paradox typical of the quantum world, JILA scientists have eliminated collisions between atoms in an atomic clock by packing the atoms closer together. The surprising discovery, described in the Feb. ...

Physics / Quantum Physics

created Feb 03, 2011 | popularity 4.6 / 5 (8) | comments 4 | with audio podcast

'Atlantis' volcano gives tips for mega-eruptions

Around 1630 BC, a super-volcano blew apart the Aegean island of Santorini, an event so violent that some theorists say it nurtured the legend of Atlantis.

Space & Earth / Earth Sciences

created Feb 01, 2012 | popularity 4.8 / 5 (6) | comments 2

Putting the squeeze on an old material could lead to 'instant on' electronic memory

(PhysOrg.com) -- The technology of storing electronic information - from old cassette tapes to shiny laptop computers - has been a major force in the electronics industry for decades.

Physics / General Physics

created Apr 16, 2009 | popularity 4.7 / 5 (12) | comments 1

How algae use a 'sulfate trap' to selectively biomineralize strontium

(PhysOrg.com) -- In any kind of nuclear reactor, there is a small amount of the radioactive isotope strontium-90 that is formed as part of the regular fission process. In fact, fission products such as strontium-90 ...

Physics / General Physics

created Oct 21, 2011 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Research shows some algae might help reduce nuclear waste

(PhysOrg.com) -- New research conducted by Minna Krejci and her colleagues at Northwestern University in Chicago, and published in ChemSusChem, suggests that the algae, Closterium moniliferum, might one day ...

Biology / Cell & Microbiology

created Mar 31, 2011 | popularity 4 / 5 (2) | comments 0 | with audio podcast report

Pond alga could help scientists design effective method for cleaning up nuclear waste

Researchers from Northwestern University and Argonne National Laboratory have an enhanced understanding of a common freshwater alga and its remarkable ability to remove strontium from water. Insight into this mechanism ultimately ...

Chemistry / Biochemistry

created Apr 04, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

First Bose-Einstein condensation of strontium

In an international first, scientists from the Institute of Quantum Optics and Quantum Information (IQOQI, Austria) produced a Bose-Einstein condensate of the alkaline-earth element strontium, thus narrowly ...

Physics / Quantum Physics

created Nov 09, 2009 | popularity 4.5 / 5 (11) | comments 5

LED closes the yellow gap: Full conversion of blue into amber light by new nitride phosphor

(PhysOrg.com) -- Monochromatic light-emitting diodes cover a large part of the visible spectrum with high effi-ciency. For blue light, nitride diodes achieve external quantum efficiencies in excess of 65%, ...

Physics / Condensed Matter

created Jul 23, 2009 | popularity 4.8 / 5 (8) | comments 1

Vise Squad: Putting the Squeeze on a Crystal Leads to Novel Electronics

(PhysOrg.com) -- A clever materials science technique that uses a silicon crystal as a sort of nanoscale vise to squeeze another crystal into a more useful shape may launch a new class of electronic devices ...

Nanotechnology / Nanophysics

created May 06, 2009 | popularity 3.5 / 5 (4) | comments 0

Scientists Show Strontium's Swimming Skills

(PhysOrg.com) -- Recently, a trio from Pacific Northwest National Laboratory and Louisiana Tech University showed that strontium ions congregate on water's surface. Their computer simulation and careful calculations ...

Chemistry / Materials Science

created Oct 27, 2009 | popularity 3.7 / 5 (3) | comments 1

Post-silicon computing

Could Pittsburgh be the nation's next "Strontium Valley"? The University of Pittsburgh is the lead institution on a $1.8 million grant from the National Science Foundation and the Nanoelectronics Research Initiative (NRI) ...

Technology / Engineering

created Sep 19, 2011 | popularity 5 / 5 (1) | comments 0

How to discover a new element

(PhysOrg.com) -- It is not the same as it used to be, the element finding business. We have discovered and named all the elements from hydrogen (element 1) up to element 112 (copernicium)[1], and last week ...

Physics / Condensed Matter

created Jun 15, 2011 | popularity 4 / 5 (4) | comments 0

Fukushima radioactive water 'leaked to Pacific

Highly radioactive waste water from the crippled Fukushima nuclear plant has leaked to the Pacific, its operator said Tuesday, promising to prevent similar incidents.

Space & Earth / Environment

created Dec 06, 2011 | popularity not rated yet | comments 0