Posts Tagged ‘x-rays’
Crystal power could shrink X-ray scanners
U. MISSOURI (US) — A compact source of radiation about the size of a stick of gum could one day be used to create inexpensive portable X-ray scanners. Continue…
Tuesday, January 8, 2013 16:48 - 1 Comment
Health & Medicine - Dec 12, 2012 17:15 - 0 Comments
X-rays find weak spot in ulcer bacteria
STANFORD / UC IRVINE (US) — Powerful X-rays have revealed a potential way to attack Helicobacter pylori, a stomach bacteria harbored by at least half the world’s population. (more…)
Science & Technology - Dec 3, 2012 13:20 - 0 Comments
First look as mill slams chemicals together
MCGILL (CAN) — X-rays reveal what happens when scientists use mechanical force—the intense impact of steel balls in rapidly moving jars—to create a chemical reaction. (more…)
Science & Technology - Oct 31, 2012 12:00 - 0 Comments
X-rays show how semiconductor gets magnetic
UC DAVIS (US) — Seeing inside gallium manganese arsenide for the first time may help scientists develop a new class of faster, smaller devices based on an emerging field called “spintronics.” (more…)
Science & Technology - Jul 31, 2012 8:26 - 0 Comments
Low-cost carbon capture gets X-rayed
U. LEEDS (UK) — Researchers are using powerful X-rays to improve a promising, low-cost technique for capturing carbon dioxide. (more…)
Science & Technology - Mar 16, 2012 14:46 - 1 Comment
X-ray lasers reveal magnets’ inner life
U. COLORADO-BOULDER (US) — Using the world’s fastest light source—specialized X-ray lasers—scientists have revealed the secret inner life of magnets. (more…)
Science & Technology - Feb 7, 2011 10:48 - 3 Comments
X-ray shows ‘thrilling’ biology in action
STANFORD (US) — The world’s first hard X-ray free-electron laser is taking remarkable “snapshots” of the inner life of proteins and viruses. (more…)
Top Stories - Jan 30, 2011 18:55 - 1 Comment
With a twist, DNA changes shape
U. MICHIGAN / UC IRVINE (US) — On rare occasions, DNA ditches the familiar double helix and twists into a different shape. (more…)
Earth & Environment - Dec 19, 2010 18:34 - 0 Comments
3-D images hint to Earth’s big split
STANFORD (US) — A new method of taking very detailed 3-D images of minute samples of material under extreme pressures is helping tell the story of the biggest transformation Earth has ever undergone. (more…)
Health & Medicine - Nov 29, 2010 12:13 - 0 Comments
Killer virus protein chews up RNA
EMORY (US) — Using X-rays, researchers have identified the structure of a key protein from Lassa virus, which infects 100,000 to 300,000 people every year in West Africa—and kills 5,000. (more…)
Science & Technology - Nov 16, 2010 12:10 - 0 Comments
Atomic snapshot shows how RNA ruled
NORTHWESTERN (US) — Using powerful X-rays, researchers have produced an atomic picture of how ribonucleic acid (RNA) molecules interacted in the ancient world. (more…)
Science & Technology - Oct 27, 2010 6:43 - 0 Comments
Hidden X-ray source found in Milky Way
PENN STATE (US) — Astronomers have discovered an X-ray emitting object that had been hidden inside the constellation Centaurus. (more…)
Science & Technology - Oct 21, 2010 12:49 - 0 Comments
This star’s big but not so bright
NORTHWESTERN (US) — In a galaxy far away, an exceptionally massive black hole is traveling around a massive star in an unusually tight orbit. Also odd, the star is not as bright as it should be. (more…)
Health & Medicine - Oct 5, 2010 10:25 - 1 Comment
X-rays magnify child’s leukemia risk
UC BERKELEY (US) — Children who have been exposed to diagnostic X-rays may have an increased risk of developing childhood leukemia. (more…)
Science & Technology - Sep 27, 2010 16:51 - 0 Comments
How bacteria resist antibiotics
IOWA STATE (US) — Researchers have discovered the crystal structures of pumps that remove heavy metal toxins from bacteria, making them resistant to antibiotics. (more…)
Science & Technology - Feb 8, 2010 11:36 - 1 Comment
For liquid crystals, shape matters
TEXAS A&M (US)—A new method for manipulating the molecules of liquid crystals could result in more effective industrial sealants, food packaging that keeps food fresh longer, and even enhanced electronic displays and fuel-cell technology. (more…)
Health & Medicine - Nov 30, 2009 14:39 - 3 Comments
Big dose of x-ray after heart attack
DUKE (US)—Acute heart attack patients receive an average dose of radiation that is equal to 725 chest X-rays, or 30 percent of the recommended annual limit, during an average hospital admission, according to a new study. (more…)
Science & Technology - Nov 24, 2009 17:29 - 4 Comments
Massive cocoons cradled earliest black holes
COLORADO (US)—The first large black holes in the universe likely formed and grew deep inside gigantic, starlike cocoons that smothered their powerful x-ray radiation and prevented surrounding gases from being blown away. (more…)
Science & Technology - Oct 6, 2009 17:00 - 2 Comments
‘Mad-cow’ proteins differ unexpectedly
VANDERBILT (US)—The first direct information about the molecular structure of prions, the infectious proteins responsible for “mad cow” disease, reveals surprisingly large structural differences between natural prions and the closest synthetic analogs created in the lab. (more…)
