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A far-red emitting aryleneethynylene fluorophore used as light harvesting antenna in hybrid assembly with the photosynthetic reaction center

Published online by Cambridge University Press:  29 December 2015

Simona la Gatta ,
Omar Hassan Omar ,
Angela Agostiano ,
Francesco Milano ,
Rocco Roberto Tangorra ,
Alessandra Operamolla ,
Claudio Chiorboli ,
Roberto Argazzi ,
Mirco Natali  and
Massimo Trotta
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Simona la Gatta
Affiliation:
Dipartimento di Chimica, Università degli Studi di Bari, Via Orabona 4, 70126 Bari, Italy.
Omar Hassan Omar
Affiliation:
CNR - Istituto di Chimica dei Composti Organometallici, Via Orabona 4, 70126 Bari, Italy.
Angela Agostiano
Affiliation:
Dipartimento di Chimica, Università degli Studi di Bari, Via Orabona 4, 70126 Bari, Italy. CNR - Istituto per i Processi Chimico Fisici, Via Orabona 4, 70126 Bari, Italy.
Francesco Milano
Affiliation:
CNR - Istituto per i Processi Chimico Fisici, Via Orabona 4, 70126 Bari, Italy.
Rocco Roberto Tangorra
Affiliation:
Dipartimento di Chimica, Università degli Studi di Bari, Via Orabona 4, 70126 Bari, Italy.
Alessandra Operamolla
Affiliation:
Dipartimento di Chimica, Università degli Studi di Bari, Via Orabona 4, 70126 Bari, Italy.
Claudio Chiorboli
Affiliation:
Dipartimento di Chimica, Università degli Studi di Ferrara, Via Borsari 46, 44121 Ferrara, Italy.
Roberto Argazzi
Affiliation:
CNR - Istituto per la Sintesi Organica e la Fotoreattività, Via Borsari 46, 44121 Ferrara, Italy.
Mirco Natali
Affiliation:
Dipartimento di Chimica, Università degli Studi di Ferrara, Via Borsari 46, 44121 Ferrara, Italy.
Massimo Trotta
Affiliation:
CNR - Istituto per i Processi Chimico Fisici, Via Orabona 4, 70126 Bari, Italy.
Gianluca Maria Farinola
Affiliation:
Dipartimento di Chimica, Università degli Studi di Bari, Via Orabona 4, 70126 Bari, Italy.
Roberta Ragni*
Affiliation:
Dipartimento di Chimica, Università degli Studi di Bari, Via Orabona 4, 70126 Bari, Italy.
*
*email address: roberta.ragni@uniba.it
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Abstract

The photosynthetic reaction center (RC) from the purple Rhodobacter (R.) sphaeroides bacterium is a protein with unique photoconversion capability that can be exploited in hybrid systems for energy conversion. We have developed a tailored aryleneethynylene organic fluorophore (AE750) acting as efficient light harvesting antenna and successfully bioconjugated it to the photosynthetic RC. We have also demonstrated that, under suitable conditions, the biohybrid AE750-RC system can outperform the energy photoconversion ability of the native protein.

Keywords

biological synthesis (assembly)biomimetic (chemical reaction)biomimetic (assembly)
Type
Articles
Information
MRS Advances , Volume 1 , Issue 7: Electronics and Photonics , 2016 , pp. 495 - 500
Copyright
Copyright © Materials Research Society 2015 

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References

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