✦ LIBER ✦

Two-photon ionization of dihydroflavin mononucleotide on nanosecond laser excitation at 355 nm

✍ Scribed by L. Lindqvist

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 609 KB
Volume: 17
Category: Article
ISSN: 1011-1344
DOI: 10.1016/1011-1344(93)85003-q

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✦ Synopsis

Electron ejection from dihydroflavin mononucleotide was obtained on exposure of this compound in aqueous solution to the third harmonic (355 nm) of a Q-switched Nd/YAG laser. This reaction was studied at different flavin concentrations, laser fluences and laser pulse widths. The results could be accounted for by assuming that the photo-ionization is due to stepwise two-photon excitation of the flavin via an intermediate of approximately 1 ns lifetime; this intermediate was attributed to the flavin triplet state.

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