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Publié le 12.05.2023
Induced chirality onto an achiral molecule also exists in Photoelectron Circular...
Circular Dichroism measurements have already demonstrated that an achiral
(1)
molecule can acquire a chiral
(1)
spectroscopic signature when interacting with a chiral environment. A new study, conducted at the beamline DESIRS, shows that when an achiral molecule is in interaction with a chiral one, its exposure to polarized VUV
(2)
radiation leads to an asymmetric...
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Publié le 22/10/2024
How is air pollution formed? New Insights
A team of researchers at the Fritz Haber Institute of the Max Planck Society in Berlin, the Qatar Environment and Energy Research Institute/Hamad Bin Khalifa University, the synchrotrons PETRA III (...
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Publié le 25/09/2024
DESIRS sheds light on clusters of [4]helicene, the smallest chiral polycyclic aromatic...
A team of scientists from Coimbra, DESY, LISA, Münster, Valladolid, and Angers teamed up with the DESIRS beamline group to study the structural evolution of molecular clusters of [4]helicene, the...
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Publié le 07/11/2023
Titan's atmosphere - methane signatures in the infrared range studied on AILES...
Methane is a particularly interesting molecule for studying (exo-) planetary atmospheres, especially that of Saturn's moon Titan, which has a thick atmosphere. Detailed analysis of the radiation...
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Publié le 11/07/2023
Formation and decay of solvated dielectrons observed for the first time
In liquids such as water or liquid ammonia, solvated electrons exist in isolated form, strongly confined within cavities formed in the solvent and, according to various scientific hypotheses, they...
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Publié le 07/03/2023
Using Light to Connect Biomolecules
Molecular clusters are aggregates of molecules that are held together non-covalently, by relatively weak forces such as hydrogen bonds and van-der-Waals forces. An interesting question is whether one...
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Publié le 27/02/2023
Probing subtle conformational changes in chiral gas phase molecules
Chirality plays a fundamental role in molecular recognition processes, as those involved in metabolism. Molecular flexibility is also crucial in molecular recognition, allowing the interacting...
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Publié le 05/08/2021
SOLEIL’s contribution to understanding Astrophysics & Astrochemistry
More than 10 years after the opening to our users, SOLEIL takes stock of the important results obtained thanks to the beamlines during this period. Thus, we invite you to discover a series of...
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Publié le 13/07/2021
Hydrogen atoms kick molecules off the surface of water ice
One of the possible outcomes of the excitation of a surface by energetic particles is the desorption of molecules adsorbed on that surface. This phenomenon has been an object of fundamental study in...
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Publié le 19/05/2021
Origin of Life: the natural asymmetry of biomolecules could be due to a photophysical...
Chiral molecules exist in two forms, called enantiomers, which cannot be superimposed but are mirror images one of the other. Amino acids, the chiral elementary building blocks of proteins, only...
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Publié le 11/05/2021
Condensation effects on electron chiral asymmetries in the photoionization of Serine:...
Researchers from the DESIRS beamline have determined for the first time chiral* asymmetries (caused by photoelectron circular dichroism (PECD*)) in photoelectron imaging experiments on chiral aerosol...
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Publié le 31/03/2021
Identifying isomers of peroxy radicals in the gas phase at DESIRS beamline
Peroxy radicals (RO
2
) are key reaction intermediates in the low temperature oxidation of organic compounds and play essential roles in combustion processes and in atmospheric chemistry. In...
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