scholarly journals 15N photo-CIDNP MAS NMR analysis of a bacterial photosynthetic reaction center of Rhodobacter sphaeroides wildtype

2019 ◽  
Vol 151 (19) ◽  
pp. 195101 ◽  
Author(s):  
Shubhajit Paul ◽  
Upasana Roy ◽  
Michael Böckers ◽  
Johannes Neugebauer ◽  
A. Alia ◽  
...  
Keyword(s):  
Reaction Center ◽  
Rhodobacter Sphaeroides ◽  
Photosynthetic Reaction Center ◽  
Mas Nmr ◽  
Nmr Analysis ◽  
Bacterial Photosynthetic Reaction Center

Synthesis of two cyanine dyes as potential artificial antennas for the bacterial photosynthetic Reaction Center

MRS Advances ◽  
2019 ◽  
Vol 4 (22) ◽  
pp. 1293-1298 ◽  
Author(s):  
R. Ragni ◽  
G. Leone ◽  
G. Rizzo ◽  
S. la Gatta ◽  
F. Milano ◽  
...  
Keyword(s):  
Reaction Center ◽  
Cross Section ◽  
Rhodobacter Sphaeroides ◽  
Spectral Region ◽  
Photophysical Properties ◽  
Photosynthetic Reaction Center ◽  
Visible Spectral Region ◽  
Absorption Cross ◽  
Conversion Yield ◽  
Bacterial Photosynthetic Reaction Center

ABSTRACT:Particular attention has been recently devoted to the development of biohybrid photoconverters based on the bacterial Reaction Center (RC) of Rhodobacter sphaeroides. This highly efficient photoenzyme has a conversion yield close to unit that makes it extremely appealing in the field of artificial photosynthesis. Isolated RCs suffer of a limited absorption cross-section in the visible spectral region that limits their applicative employment. Here we report the synthesis of two heptamethine cyanine molecules, whose photophysical properties make them potentially suitable as light harvesting antennas for the RC.

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