Science & Technology - Jan 17, 2012 12:54 - 0 Comments

Carbon fibers yield graphene quantum dots

RICE (US) — Scientists have developed a one-step chemical process to turn carbon fibers into graphene quantum dots. (more…)

Science & Technology - Nov 22, 2011 7:25 - 0 Comments

Sort nanotubes for better electronics

STANFORD (US) — A new technique could make semiconducting carbon nanotubes more commercially viable for use in printable circuits, bendable display screens, stretchable electronics, and solar technology. (more…)

Science & Technology - Nov 18, 2011 11:07 - 0 Comments

Fuse DNA, nanotubes for better biosensors

PURDUE (US) — A new method for stacking synthetic DNA and carbon nanotubes onto a biosensor electrode may lead to more accurate ways to measure and manage diseases, such as diabetes. (more…)

Science & Technology - Sep 20, 2011 14:02 - 2 Comments

Fatal attraction: Cells ingest nanotubes

BROWN U. (US) — Carbon nanotubes and other long nanomaterials can spell trouble for cells. The reason: Cells mistake them for spheres and try to engulf them. (more…)

Science & Technology - Aug 24, 2011 10:11 - 1 Comment

Nano bundles offer ‘extreme’ storage

RICE U. (US) — A new solid-state, nanotube-based supercapacitor promises to combine the best qualities of high-energy batteries and fast-charging capacitors in a device suitable for extreme environments. (more…)

Science & Technology - Aug 5, 2011 13:45 - 0 Comments

Graphene Girl Scout cookies: $15 billion

RICE (US) — You can make graphene out of almost anything. Even Girl Scout cookies. And talk about profit—at $250 for a two-inch square, a box of shortbread cookies could earn $15 billion. (more…)

Science & Technology - Jun 10, 2011 11:41 - 2 Comments

Super carbon denser than diamonds

STONY BROOK U. (US) — Three newly discovered structures of carbon may be three percent denser, more brilliant, and better able to handle pressure than diamonds. (more…)

Health & Medicine - May 20, 2011 16:40 - 1 Comment

Nanopatch may heal heart damage

BROWN U. (US) — When you suffer a heart attack, a part of your heart dies. In tests, a new nanopatch shows promise in helping bring dead regions of the heart back to life. (more…)

Earth & Environment - Jan 11, 2011 10:21 - 0 Comments

Freshwater adds to greenhouse equation

IOWA STATE (US) — Methane emissions from inland freshwater has been underestimated, according to a new study, that finds that greenhouse gas uptake by continents is less than previously thought. (more…)

Science & Technology - Dec 17, 2010 12:23 - 0 Comments

Slice nanotubes with sonic booms

BROWN (US) — It’s difficult to imagine getting a precise cut on a carbon nanotube, with a diameter 1/50,000th the thickness of a human hair. The trick, researchers say, is to squeeze and twist nanotubes using sonic booms. (more…)

Science & Technology - Nov 15, 2010 15:09 - 0 Comments

Flaws only make graphene stronger

BROWN (US) — Despite what engineers had suspected, the joints where sheets of graphene meet don’t weaken it—instead the joints are nearly as strong as pure graphene. (more…)

Science & Technology - Nov 11, 2010 15:34 - 0 Comments

Sweet! Graphene made from sugar

RICE (US) — Researchers have learned to make pristine sheets of graphene, the one-atom-thick form of carbon, from plain table sugar and other carbon-based substances. (more…)

Earth & Environment - Nov 11, 2010 13:03 - 0 Comments

Will stored CO2 leak into drinking water?

DUKE (US) — There could be a serious downside to injecting carbon dioxide deep underground to mitigate climate change. New analysis suggests it can pollute drinking water aquifers. (more…)

Science & Technology - Oct 28, 2010 12:03 - 0 Comments

Equation could advance OLED displays

U. MICHIGAN (US) — A new equation could do for organic semiconductors what the Shockley ideal diode equation did for inorganic semiconductors: help to enable their wider adoption. (more…)

Earth & Environment - Sep 7, 2010 14:31 - 0 Comments

Is calcium carbonate Earth’s secret weapon?

UC DAVIS (US)—Calcium carbonate is the common thread that links sea urchins, limestone, and climate change, according to a new study. (more…)

Earth & Environment - Sep 7, 2010 11:02 - 1 Comment

Farm growth devastates tropical forests

STANFORD (US)—More than half a million square miles of new farmland—roughly the size of Alaska—was carved out of what was primarily tropical forests between 1980 and 2000, in the name of global agricultural expansion. (more…)

Science & Technology - Jul 27, 2010 14:39 - 1 Comment

Fuel of the future: Want fries with that?

U. LEEDS (UK)—Researchers have found an energy efficient way to make hydrogen-based fuel out of used vegetable oil discarded by restaurants and pubs. (more…)

Earth & Environment - May 17, 2010 10:29 - 1 Comment

Small investors see red over cap and trade

UC DAVIS (US)—Small investors could be big losers if a federal climate change plan known as cap and trade becomes law and accounting standards for carbon credits are not yet established, a new study suggests. (more…)

Posts Tagged ‘carbon’

Tuesday, January 24, 2012 14:16 - 0 Comments