Deviation from the Forster theory for time-dependent donor decays for randomly distributed molecules in solution

Joseph R. Lakowicz; Henryk Szmacinski; Michael L. Johnson

doi:10.1117/12.17747

1 May 1990 Deviation from the Forster theory for time-dependent donor decays for randomly distributed molecules in solution

Joseph R. Lakowicz, Henryk Szmacinski, Michael L. Johnson

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Proceedings Volume 1204, Time-Resolved Laser Spectroscopy in Biochemistry II; (1990) https://doi.org/10.1117/12.17747
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

We examined the time -dependent donor decays of 2 - amino purine (2 -APU) , in the presence of increasing amounts of acceptor 2-aminobenzophenine (2-ABP). As the concentration of 2-ABP increases, the frequency-responses diverge from that predicted by Forster. The data were found to be consistent with modified Forster equations, but at this time we do not state that these modified expressions provide a correct molecular description of this donor-acceptor system. To the best of our knowledge this is the first paper which reports a failure of the Forster theory for randomly distributed donors and acceptors.

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Joseph R. Lakowicz, Henryk Szmacinski, and Michael L. Johnson "Deviation from the Forster theory for time-dependent donor decays for randomly distributed molecules in solution", Proc. SPIE 1204, Time-Resolved Laser Spectroscopy in Biochemistry II, (1 May 1990); https://doi.org/10.1117/12.17747

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