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Molecules in the spotlight
Date:12/12/2008

lecular structure changes, and thus to obtain precise information about the breaking, the formation, or the transformation of chemical bonds between atoms. And all this, in real time," explains Chergui.

Collaboration with the Paul Scherrer Institute

To reach this degree of precision, the researchers needed a source of stable and tunable femtosecond X-Ray pulses. They found it at the Paul Scherrer Institute in Villigen, Switzerland, in a collaboration with Dr. Rafael Abela's team. Using the femtosecond X-ray pulses extracted from the Swiss Light Source synchrotron in a technique developed at the PSI, the researchers were able to follow in real time a structural change of the molecule in 150 femtoseconds. This method is an excellent tool for analysing reactions in liquid and disordered environments that characterize many biological and chemical systems.


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Contact: Majed Chergui
majed.chergui@epfl.ch
41-076-569-5566
Ecole Polytechnique Fdrale de Lausanne
Source:Eurekalert

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