News tagged with organic solvents


Platinum nanocatalyst could aid drugmakers

Nanotechnology / Bio & Medicine

created Aug 31, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Nanoparticles combining platinum and gold act as superefficient catalysts, but chemists have struggled to create them in an industrially useful form. Rice University chemists have answered the call this week ...


Breakthrough in efficiency for dye-sensitized solar cells

Technology / Semiconductors

created Jun 29, 2008 | popularity 4.8 / 5 (50) | comments 0

In a paper published in the journal Nature Materials, EPFL professor Michael Graetzel, Shaik Zakeeruddin and colleagues from the Changchun Institute of Applied Chemistry at the Chinese Academy of Sciences have achieved a reco ...





Search results for organic solvents


Fertilizer use not always helpful in revegetation efforts

Space & Earth / Environment

created 37 minutes ago | popularity 4 / 5 (1) | comments 1

Companies and communities trying to restore vegetation on damaged northern landscapes should think twice about using fertilizer to stimulate growth according to new research published in the November issue of Arctic, Antarctic an ...


Almost two-thirds of pregnant women believe they are regularly exposed to physical risk at work

Almost two-thirds of pregnant women believe they are regularly exposed to physical risk at work

Medicine & Health / Health

created 2 hours ago | popularity not rated yet | comments 0

A new study shows the employment and sociodemographic characteristics involved in the exposure of pregnant women to workplace hazards. Of these, 56% say they often work standing up or have to lift heavy objects, ...


Organic flash memory developed

Organic flash memory developed

Technology / Semiconductors

created 4 hours ago | popularity 4.7 / 5 (9) | comments 1

(PhysOrg.com) -- Researchers at the University of Tokyo have developed a non-volatile memory that has the same basic structure as a flash memory but is made from cheap, flexible, organic materials.


New way to break some of the strongest chemical bonds

New way to break some of the strongest chemical bonds

Chemistry / Materials Science

created Dec 16, 2009 | popularity 4.5 / 5 (21) | comments 0

(PhysOrg.com) -- Scientists at Cornell University in the U.S. have found a new way of breaking two of the strongest chemical bonds, at ambient temperature and pressure, and this breakthrough could lead to ...


DNA of Jesus-era shrouded man in Jerusalem reveals earliest case of leprosy

DNA of Jesus-era shrouded man in Jerusalem reveals earliest case of leprosy

Other Sciences / Archaeology & Fossils

created Dec 16, 2009 | popularity 4.2 / 5 (11) | comments 4

The DNA of a 1st century shrouded man found in a tomb on the edge of the Old City of Jerusalem has revealed the earliest proven case of leprosy. Details of the research will be published December 16 in the ...


Thermochemical nanolithography now allows multiple chemicals on a chip

Thermochemical nanolithography now allows multiple chemicals on a chip

Nanotechnology / Nanophysics

created Dec 16, 2009 | popularity 4.5 / 5 (4) | comments 0

(PhysOrg.com) -- Scientists at Georgia Tech have developed a nanolithographic technique that can produce high-resolution patterns of at least three different chemicals on a single chip at writing speeds of ...


Lunar Reconnaissance Orbiter

NASA unveils latest results from lunar mission

Space & Earth / Space Exploration

created Dec 15, 2009 | popularity 4.6 / 5 (5) | comments 0

NASA's current mission in orbit around the moon, the Lunar Reconnaissance Orbiter, or LRO, has been providing crucial insights about our nearest celestial neighbor since its launch in June. At a scientific ...


Icy moons of Saturn and Jupiter may have conditions needed for life

Icy moons of Saturn and Jupiter may have conditions needed for life

Space & Earth / Astronomy

created Dec 15, 2009 | popularity 4.8 / 5 (15) | comments 0

(PhysOrg.com) -- Scientists once thought that life could originate only within a solar system's "habitable zone," where a planet would be neither too hot nor too cold for liquid water to exist on its surface. ...


From greenhouse to icehouse -- reconstructing the environment of the Voring Plateau

From greenhouse to icehouse -- reconstructing the environment of the Voring Plateau

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 4.1 / 5 (7) | comments 1

The analysis of microfossils found in ocean sediment cores is illuminating the environmental conditions that prevailed at high latitudes during a critical period of Earth history.


Late-surviving megafauna exposed by ancient DNA in frozen soil

Late-surviving megafauna exposed by ancient DNA in frozen soil

Biology / Biotechnology

created Dec 15, 2009 | popularity 4.5 / 5 (2) | comments 0

Extinct woolly mammoths and ancient American horses may have been grazing the North American steppe for several thousand years longer than previously thought. After plucking ancient DNA from frozen soil in ...



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