News tagged with metal fillings

Older dental fillings contain form of mercury unlikely to be toxic

A new study on the surface chemistry of silver-colored, mercury-based dental fillings suggests that the surface forms of mercury may be less toxic than previously thought. It appears online in ACS' journal ...

Chemistry / Biochemistry

created Dec 09, 2009 | popularity not rated yet | comments 0

Form of Mercury in Older Dental Fillings Unlikely to be Toxic: Study

(PhysOrg.com) -- Amid the on-going controversy over the safety of mercury-containing dental fillings, a University of Saskatchewan research team has shed new light on how the chemical forms of mercury at the surface of fillings ...

Chemistry / Analytical Chemistry

created Nov 11, 2009 | popularity 4 / 5 (3) | comments 0




Search results for metal fillings


High-temperature superconductivity starts at nanoscale

(Phys.org) -- High-temperature superconductivity doesn't happen all it once. It starts in isolated nanoscale patches that gradually expand until they take over.

Physics / Superconductivity

created May 31, 2012 | popularity 5 / 5 (16) | comments 3 | with audio podcast

Planned coincidence: Antibody-based search for new chemical reactions

(Phys.org) -- Many discoveries are made by chance, but it is also possible to help it along: The chance of finding something interesting increases when the number of experiments rises. French researchers have ...

Chemistry / Materials Science

created May 22, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Gold rush sweeps Latin America, Amazon suffers

A new gold rush is sweeping through Latin America with devastating consequences, ravaging tropical forests and dumping toxic chemicals as illegal miners fight against big international projects.

Space & Earth / Environment

created May 15, 2012 | popularity not rated yet | comments 0

Harnessing the awesome power of the ocean waves

MBARI engineer Andy Hamilton looks out his office window in Moss Landing and points at the waves crashing on the beach below. “Pretty impressive, aren’t they? You’d think there’d be a way ...

Technology / Energy & Green Tech

created May 14, 2012 | popularity 4.9 / 5 (12) | comments 39 | with audio podcast

Feathers show their true colors

(Phys.org) -- For millennia birds have been prized, even hunted, for their beautiful plumage but what makes their feathers so colorful?

Chemistry / Materials Science

created May 11, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

In metallic glasses, researchers find a few new atomic structures

Drawing on powerful computational tools and a state-of-the-art scanning transmission electron microscope, a team of University of Wisconsin-Madison and Iowa State University materials science and engineering researchers has ...

Physics / Condensed Matter

created May 11, 2012 | popularity 3.4 / 5 (7) | comments 2 | with audio podcast

Petroleum volume: Getting calibrations in the can

(Phys.org) -- The volume of oil and oil products moving through America’s pipelines, waterways, roads, and rails borders on the unimaginable.

Technology / Engineering

created May 07, 2012 | popularity not rated yet | comments 0

Bejeweled: Nanotech gets boost from nanowire decorations

Like a lead actress on the red carpet, nanowires—those superstars of nanotechnology—can be enhanced by a little jewelry, too. Not the diamonds and pearls variety, but the sort formed of sinuous chains ...

Nanotechnology / Nanomaterials

created Apr 27, 2012 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Boron-nitride nanotubes show potential in cancer treatment

A new study has shown that adding boron-nitride nanotubes to the surface of cancer cells can double the effectiveness of Irreversible Electroporation, a minimally invasive treatment for soft tissue tumors in the liver, lung, ...

Nanotechnology / Bio & Medicine

created Apr 26, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

New coating for hip implants could prevent premature failure

Every year, more than a million Americans receive an artificial hip or knee prosthesis. Such implants are designed to last many years, but in about 17 percent of patients who receive a total joint replacement, ...

Nanotechnology / Nanomaterials

created Apr 19, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast


List of search results for metal fillings