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Origin of the anomalous two-photon absorption in fluorescent protein DsRed
KTH, School of Biotechnology (BIO), Theoretical Chemistry.ORCID iD: 0000-0003-0007-0394
2007 (English)In: Journal of Physical Chemistry B, ISSN 1520-6106, E-ISSN 1520-5207, Vol. 111, no 3, 505-507 p.Article in journal (Refereed) Published
Abstract [en]

The red fluorescent protein DsRed displays a two-photon excitation band around 760 nm which is not accompanied by any feature in the corresponding one-photon spectral region (380 nm). By means of time-dependent density functional theory, we are able to explain such an effect, as arising from an electronic excitation of the DsRed chromophore with ability to couple with a charge-transfer state, through an effective two-photon absorption channel.

Place, publisher, year, edition, pages
2007. Vol. 111, no 3, 505-507 p.
Keyword [en]
density-functional theory, cross-sections, chromophore, state, dynamics
URN: urn:nbn:se:kth:diva-16325DOI: 10.1021/jp068380jISI: 000243535900004ScopusID: 2-s2.0-33846958451OAI: diva2:334367
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Luo, Yi
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