Posts Tagged ‘organic’

Organic semiconductors on fast track

STANFORD (US) — Researchers have created a new material for high-speed organic semiconductors in a way that may shorten the development timeline by months, if not years. Continue…

Wednesday, August 17, 2011 11:00 - 0 Comments

Science & Technology - May 3, 2011 10:28 - 0 Comments

New tricks from old polymers

IOWA STATE (US) — Organic solar cells, light-emitting diodes, and thin-film transistors could be enhanced by polymers that mimic the properties of traditional inorganic semiconductors. (more…)

Earth & Environment - Mar 16, 2011 12:03 - 0 Comments

California organic farms bear fruit

UC DAVIS (US) — California is home to 19 percent of all organic farms in the U.S., more than any other state, and accounts for 36 percent of the nation’s overall organic sales. (more…)

Science & Technology - Sep 16, 2010 11:13 - 0 Comments

Cracking the chemistry of organic batteries

U. TEXAS-AUSTIN (US)—The discovery of a new way to pass electrons back and forth between two molecules could push forward development of organic batteries—lightweight energy storage devices that work without the need for toxic heavy metals. (more…)

Earth & Environment - Sep 6, 2010 23:42 - 0 Comments

Pest control à la nature on coffee farm

U. MICHIGAN (US)—A 10-year study of an organic coffee farm in Mexico has uncovered a web of intricate interactions that buffers the farm against extreme outbreaks of pests and diseases. (more…)

Science & Technology - Aug 23, 2010 14:02 - 0 Comments

DNA sniffs out better artificial nose

STANFORD (US)—A new approach to building an artificial nose that uses fluorescent compounds and DNA could accelerate the use of sniffing sensors into the realm of mass production and widespread use, according to new research. (more…)

Earth & Environment - May 7, 2010 12:48 - 3 Comments

Organic farming no boon for biodiversity

U. LEEDS (US)—The limited benefits organic farms offer to birds, bees, and butterflies don’t compensate for the lower yields produced, according to a new study. (more…)

Society & Culture - Feb 25, 2010 13:21 - 0 Comments

Going steady with a local farmers’ market

U. ILLINOIS (US)—A new study shows that based on what they offer, farmers’ markets self-select people who are on a specific mission—and visiting other retail stores isn’t one of them. (more…)

Earth & Environment - Dec 1, 2009 11:19 - 3 Comments

Jumbo shellfish rule in acidic oceans

UNC CHAPEL HILL (US)—As the world’s seawater becomes more acidic due to rising atmospheric carbon dioxide, some—but not all—shelled marine creatures may become bigger and stronger, according to a new study. (more…)

Science & Technology - Nov 6, 2009 17:39 - 1 Comment

Structure of natural cancer fighters unraveled

CARNEGIE MELLON (US)—A new nuclear magnetic resonance (NMR) methodology has enabled a group of chemists to determine the correct chemical structure of a natural compound known as a withanolide, which has been shown to slow the growth of breast cancer cells. (more…)

Earth & Environment - Sep 29, 2009 4:09 - 2 Comments

Fertilizer not a cure-all for African poverty

CORNELL (US)—Researchers have linked poverty in sub-Saharan Africa with poor soil health, but two new studies find that the recommended practice of applying more fertilizer may not help the poorest farmers. (more…)

Science & Technology - Aug 26, 2009 4:00 - 1 Comment

Bend it like bright LED screens

Stretchable micro-LED display, consisting of an interconnected mesh of printed micro LEDs bonded to a rubber substrate.

Science & Technology - Aug 24, 2009 4:00 - 0 Comments

Organic circuits (finally) have it both ways

An organic polymer circuit that transports both positive and negative charges. The circuit was created by solution casting of a newly developed material. (Courtesy: University of Washington)

Earth & Environment - Aug 5, 2009 13:13 - 0 Comments

Solar cells with perfect mix of plastics

David Ginger, a University of Washington associate professor of chemistry, displays the tiny probe for a conductive atomic force microscope, used to record photocurrents on scales of millionths of an inch in carbon-based solar cells. (Credit: Mary Levin/University of Washington)

Earth & Environment - May 14, 2009 16:01 - 1 Comment

Got organic milk? Got healthier cows?

CORNELL (US)—As demand for organic dairy grows, a team of researchers is asking: Are those grass-grazing cows healthier than their grain-fed counterparts? (more…)

Science & Technology - May 6, 2009 10:32 - 0 Comments

Searching space for clues to life on Earth

U. MICHIGAN (US)—In a mission to learn more about how life formed on Earth—and how organic molecules form in space—astronomers will use the Herschel Space Observatory, scheduled to launch May 6, to study the chemistry of warm gas and dust clouds around young stars. (more…)

Science & Technology - Apr 23, 2009 11:43 - 0 Comments

Making room to manufacture tiny bio-devices

UC IRVINE (US)—The next generation of miniature devices built from sensitive organic materials may be coming from specialized manufacturing facilities, like the new clean room lab at the University of California, Irvine. Scientists at the facility are able to work at a scale that is one-hundredth the diameter of a human hair. (more…)