Electronic excitation and relaxation
Laser-assisted dissociation: structural analysis of biomolecules
Article REF: RE107 V1
Electronic excitation and relaxation
Laser-assisted dissociation: structural analysis of biomolecules

Authors : Rodolphe ANTOINE, Philippe DUGOURD

Publication date: September 10, 2008 | Lire en français

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3. Electronic excitation and relaxation

The UV and visible light used in the experiments described in this article corresponds to the electronic excitation of the chromophores present in the ion. In the case of proteins, these are aromatic amino acids (tryptophan, tyrosine, phenylalanine). Following electronic excitation (absorption of a photon hν a ), the ion can de-excite via (Figure ):

.Relaxation of a molecule following electronic excitation
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