dorsal/arxiv
View SchemaThe coherent dynamics of photoexcited green fluorescent proteins
| Authors | Riccardo A. G. Cinelli, Valentina Tozzini, Vittorio Pellegrini, Fabio Beltram, Giulio Cerullo, Margherita Zavelani-Rossi, Sandro De Silvestri, Mudit Tyagi, Mauro Giacca |
|---|---|
| Categories | |
| ArXiv ID | physics/0102059 |
| URL | https://arxiv.org/abs/physics/0102059 |
| DOI | 10.1103/PhysRevLett.86.3439 |
Abstract
The coherent dynamics of vibronic wave packets in the green fluorescent protein is reported. At room temperature the non-stationary dynamics following impulsive photoexcitation displays an oscillating optical transmissivity pattern with components at 67 fs (497 cm-1) and 59 fs (593 cm-1). Our results are complemented by ab initio calculations of the vibrational spectrum of the chromophore. This analysis shows the interplay between the dynamics of the aminoacidic structure and the electronic excitation in the primary optical events of green fluorescent proteins.
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"abstract": "The coherent dynamics of vibronic wave packets in the green fluorescent\nprotein is reported. At room temperature the non-stationary dynamics following\nimpulsive photoexcitation displays an oscillating optical transmissivity\npattern with components at 67 fs (497 cm-1) and 59 fs (593 cm-1). Our results\nare complemented by ab initio calculations of the vibrational spectrum of the\nchromophore. This analysis shows the interplay between the dynamics of the\naminoacidic structure and the electronic excitation in the primary optical\nevents of green fluorescent proteins.",
"arxiv_id": "physics/0102059",
"authors": [
"Riccardo A. G. Cinelli",
"Valentina Tozzini",
"Vittorio Pellegrini",
"Fabio Beltram",
"Giulio Cerullo",
"Margherita Zavelani-Rossi",
"Sandro De Silvestri",
"Mudit Tyagi",
"Mauro Giacca"
],
"categories": [
"physics.bio-ph",
"q-bio"
],
"doi": "10.1103/PhysRevLett.86.3439",
"title": "The coherent dynamics of photoexcited green fluorescent proteins",
"url": "https://arxiv.org/abs/physics/0102059"
},
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