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Solving electron transfer


Electron transfer is a process by which an atom donates an electron to another atom. It is the foundation of all chemical reactions, and is of intense research because of the implications it has for chemistry and biology. When two molecules interact, electron transfer takes place in a few ...


Nanowire solar cells raise efficiency limit


Scientists from the Nano-Science Center at the Niels Bohr Institut, Denmark and the Ecole Polytechnique Fédérale de Lausanne, Switzerland, have shown that a single nanowire can concentrate the sunlight up to 15 times of the normal sun light intensity. The results are surprising and the potential ...


Nano-velcro clasps heavy metal molecules in its grips

Researchers develop nano-strips for inexpensive testing of mercury levels in our lakes and oceans with unprecedented sensitivity


Mercury, when dumped in lakes and rivers, accumulates in fish, and often ends up on our plates. A Swiss-American team of researchers led by Francesco Stellacci at the Ecole Polytechnique Fédérale de Lausanne (EPFL) and Bartosz Grzybowski at Northwestern University has devised a simple, ...


Bayer Early Excellence in Science Award 2010: EUR 30,000 for young research scientists


The winners of the Bayer Early Excellence in Science Award 2010 have been announced. The prizes, each worth EUR 10,000, have been awarded by an independent scientific committee of the Bayer Science & Education Foundation. The Bayer foundation presents the Bayer Early Excellence in Science Award ...


Phosphoproteins no longer foil mass spectrometry


Commercial aluminium foil could be used to help scientists understand more about important biological pathways. Hubert Girault, at the Federal Polytechnic School of Lausanne, Switzerland, and colleagues used the foil to extract multi-phosphorylated peptides from digested protein ...


"On-the-fly" spectroscopy with a diode laser and a frequency comb

MPQ scientists achieve high precision optical broadband spectroscopy by applying frequency comb technique to tunable diode lasers


The research field of optical spectroscopy has already attracted attention of generations of scientists, starting with Fraunhofer's discovery of dark lines in the sun spectrum in 1814 followed by the work of Kirchhoff and Bunsen in 1859 explaining these lines as absorption of light in atoms and ...


Molecules in the spotlight

New technique allows real-time observation of molecules during chemical reactions


A novel x-ray technique allowing the observation of molecular motion on a time scale never reached before has been developed by a team of researchers from Ecole Polytechnique Fédérale de Lausanne (EPFL) and the Paul Scherrer Institute (PSI) in Switzerland. Results of the research led by Professor ...


A new 'Pyrex' nanoparticle


Researchers in Switzerland have developed a new method to fabricate borosilicate glass nanoparticles. Used in microfluidic systems, these "Pyrex"-like nanoparticles are more stable when subjected to temperature fluctuations and harsh chemical environments than currently used nanoparticles made of ...


Preiswerte Farbstoffe für neuartige Solarzellen entwickelt


Forschern der Universität Basel und der Eidgenössischen Technischen Hochschule Lausanne ist es gelungen, Farbstoffe für neuartige Solarzellen mit billigem Kupfer statt mit teurem Ruthenium herzustellen. Das eröffnet neue Perspektiven für eine effiziente Nutzung der Solarenergie. Die ...


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Copper: An element of surprise

Researchers in Switzerland have developed efficient copper-functionalised dye-sensitized solar cells as an alternative to ruthenium-functionalised systems.


Edwin Constable and colleagues at the University of Basel, and at Ecole Polytechnique Federale de Lausanne, in Switzerland, have synthesised carboxylate-derivatized copper complexes as dye stuffs for TiO2 dye-sensitized solar cells (DSSCs). The conversion of light to electricity is an important ...


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