Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 320172
Title Electronic states in 2-aminopurine revealed by ultrafast transient absoprtion and target analysis
Author(s) Larsen, O.F.A.; Stokkum, I.H.M. van; Groot, M.L.; Kennis, J.T.M.; Grondelle, R. van; Amerongen, H. van
Source Chemical Physics Letters 371 (2003)1-2. - ISSN 0009-2614 - p. 157 - 163.
Department(s) Biophysics
Publication type Refereed Article in a scientific journal
Publication year 2003
Keyword(s) energy-transfer - dna - dynamics - fluorescence - bases - oligonucleotides - photoionization - distance
Abstract Subpicosecond polarized transient-absorption measurements on the fluorescent adenine analogue 2-aminopurine have been performed in the wavelength region from 320 to 690 nm. Global target analysis of the data reveals structural heterogeneity of the chromophore in the excited state. Two distinct states with remarkably different spectroscopic properties were resolved. One state does show stimulated emission, whereas the other state does not and exposes a very long excited-state lifetime
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