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New Technique Controls Dimensions of Gold Nanorods while Manufacturing on a Large Scale

By Guest PostNovember 27, 2013Scienceascorbic acid, cancer treatment, dissolved in solution, gold nanorods, joseph tracy, klaudia kozek, krystian kozek, large scale, nanoscale gold rods, new technique, north Carolina, optical properties, state university, sumeet mishra, vitamin c, wavelengths, wei chen wu

North Carolina State University researchers have a developed a technique for efficiently producing nanoscale gold rods in large quantities while simultaneously controlling the dimensions of the nanorods and their optical properties. The optical properties of gold nanorods make them desirable for use in biomedical applications ranging from imaging technologies to cancer treatment.

“This technique should facilitate the economical manufacture of large volumes of gold nanorods,” says Dr. Joseph Tracy, an associate professor of materials science and engineering at NC State and senior author of a paper on the work. “And that should be good news for both the science community and the biomedical research and development community.” (more…)

Study Finds Severe Climate Jeopardizing Amazon Forest

By Guest PostJanuary 20, 2013Environment, Natureamazon basin, Amazon rainforest, amazonia, amazonian droughts, amazonian trees, atmospheric condition, california, carbon cycle, carbon dioxide, climate change, climate phenomenon, cloud, decaying wood, degradation, double whammy, drought, earth, ecosystem, effect, forest, forest canopy, forest recovery, global data, katrina, large scale, megadrought, NASA, quikscat spacecraft, radar data, rainfall measuring mission, rainforest, rainforest ecosystem, rita, sassan saatchi, satellite, satellite microwave, scatterometer radar, sea surface temperature, seawinds scatterometer, size of california, southern, steady decline, tropical, tropical atlantic, united kingdom, university of oxford, vegetation, water availability, western amazonia, wildfire, yadvinder malhi

PASADENA, Calif. – An area of the Amazon rainforest twice the size of California continues to suffer from the effects of a megadrought that began in 2005, finds a new NASA-led study. These results, together with observed recurrences of droughts every few years and associated damage to the forests in southern and western Amazonia in the past decade, suggest these rainforests may be showing the first signs of potential large-scale degradation due to climate change.

An international research team led by Sassan Saatchi of NASA’s Jet Propulsion Laboratory, Pasadena, Calif., analyzed more than a decade of satellite microwave radar data collected between 2000 and 2009 over Amazonia. The observations included measurements of rainfall from NASA’s Tropical Rainfall Measuring Mission and measurements of the moisture content and structure of the forest canopy (top layer) from the Seawinds scatterometer on NASA’s QuikScat spacecraft. (more…)

New Qubit Control Bodes Well for Future of Quantum Computing

By Guest PostJanuary 13, 2013Sciencecollege de france, control, digital electronics, f schackert, feedback, information, integrity, large scale, m mirrahimi, michael hatridge, michel devoret, microscopic units, quantum computing, quantum feedback, quantum information, quantum mechanics, quantum object, qubit state, qubits, random errors, real, s shankar, theoretical formula, ultra fast, volatile realm, yale physicists, yale university

Yale University scientists have found a way to observe quantum information while preserving its integrity, an achievement that offers researchers greater control in the volatile realm of quantum mechanics and greatly improves the prospects of quantum computing.

Quantum computers would be exponentially faster than the most powerful computers of today. (more…)

Tag Archives: large scale

New Technique Controls Dimensions of Gold Nanorods while Manufacturing on a Large Scale

Study Finds Severe Climate Jeopardizing Amazon Forest

New Qubit Control Bodes Well for Future of Quantum Computing