news 2011

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Physics - Jun 4
Physics
Research team led by the University of Göttingen succeeds in coupling free electrons to optical resonators. When you speak softly in one of the galleries of St Paul's cathedral, the sound runs so easily around the dome that visitors anywhere on its circumference can hear it. This striking phenomenon has been termed the -whispering gallery- effect, and variants of it appear in many scenarios where a wave can travel nearly perfectly around a structure.
Health - Jun 3
Health

Comparable clinical results after five and ten days of treatment - In an international study, scientists from eight countries have investigated the use of the medication Remdesivir in the treatment of Covid-19.

Health - May 29

Heidelberg University succeeded in gaining funding from the German Research Foundation (DFG) in the latest approval round for three, internationally visible collaborative research centres. In physics, the collaborative research centre (CRC) studying isolated quantum systems in experimental and theoretical investigations will continue its work in the second funding period (CRC 1225).

Environment - May 29
Environment

Globally, forests are increasingly under pressure. Climatic extremes such as heat and drought are major stress factors for them.

Life Sciences - May 29

Selectively increasing the levels of a certain protein in nerve cells that play a key role in memory storage boosts memory performance, as demonstrated in experiments on mice by a group of scientists at Heidelberg University led by Dr Ana Oliveira. The responsible protein is Dnmt3a2 - a so-called epigenetic factor that chemically modifies the genome and thus influences memory processes. By increasing the levels of Dnmt3a2, the researchers from the Interdisciplinary Center for Neurosciences were able to modulate the reactivation of the relevant neurons, quite precisely in fact.


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Life Sciences - Health - 07.01.2011
The Import Business of Cellular Power Plants Freiburg Scientists Reveal Newly Discovered Communication Path in Cells
Scientists from Freiburg's two Excellence Institutions Centre for Biological Signalling Studies (BIOSS) and Spemann Graduate School of Biology and Medicine (SGBM) have discovered a new signaling path in cells: a mechanism which enables the transport of proteins into mitochondria to be adjusted depending on the current metabolic state of the cell.

Life Sciences - Chemistry - 07.01.2011
Proteins Need Chaperones
Freiburg Biochemist Describes Newly Discovered Processes in Production of Proteins in 'Nature' Freiburg, 07.01.2011 The chaperone ZRF1 helps the ribosome to regulate protein synthesis. A new study shows that it also participates in the regulated translation of DNA segments into transcripts in the nucleus.

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