DocumentCode
415456
Title
Photosynthetic light-harvesting by carotenoids: detection of an intermediate excited state
Author
Cerullo, G. ; Polli, D. ; Lanzani, Guglielmo ; De Silvestri, S. ; Hashimoto, H. ; Cogdell, R.J.
Author_Institution
Nat. Lab. for Ultrafast & Ultraintense Opt. Sci., INFM, Milan, Italy
fYear
2003
fDate
22-27 June 2003
Firstpage
168
Abstract
We present the first direct evidence of an intermediate excited state mediating internal conversion in carotenoids. Transition to this state occurs within ≈ 50 fs. This result changes the description of the primary step in photosynthesis.
Keywords
excited states; high-speed optical techniques; molecular biophysics; photosynthesis; proteins; carotenoids; intermediate excited state; light-harvesting; photosynthesis; Biomedical optical imaging; Physics;
fLanguage
English
Publisher
ieee
Conference_Titel
Quantum Electronics Conference, 2003. EQEC '03. European
Print_ISBN
0-7803-7733-8
Type
conf
DOI
10.1109/EQEC.2003.1314025
Filename
1314025
Link To Document