Plasmon Enhancement of Fluorescence in Single Light-Harvesting Complexes from em Amphidinium carterae

• Authors: Ł. Bujak , D. Piątkowski , S. Mackowski , S. Wörmke , C. Jung , C. Bräuchle , A. Agarwal , N. Kotov , T. Schulte , E. Hofmann , T. Brotosudarmo , H. Scheer , A. Govorov , R. Hiller
• Languages of publication: EN

Abstracts

EN

We show that single peridinin-chlorophyll a-protein light-harvesting complexes from dinoflagellate Amphidinium carterae placed near to silver nanoparticles show strongly enhanced fluorescence emission. Single molecule spectroscopy experiments performed at room temperature point toward an enhancement of more than an order of magnitude for optimal conditions. Irrespective of the enhancement, we observe no effect of the metal nanoparticle on the fluorescence emission energy of the complex. This result provides a way to control the optical properties of biomolecules via plasmon excitations in metal nanoparticles.

Keywords

EN

87.80.Nj; 87.14.E-; 87.64.M-

Discipline

• 87.80.Nj: Single-molecule techniques(see also 82.37.Rs Single molecule manipulation of proteins and other biological molecules in physical chemistry)
• 87.64.M-: Optical microscopy
• 87.14.E-: Proteins

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2009
• Volume: 116
• Issue: S
• Pages: S-22-S-25

Dates

published

2009-12

Contributors

author

Ł. Bujak

• Institute of Physics, Nicolaus Copernicus University, Grudziądzka 5, 87-100 Toruń, Poland

author

D. Piątkowski

• Institute of Physics, Nicolaus Copernicus University, Grudziądzka 5, 87-100 Toruń, Poland

author

S. Mackowski

• Institute of Physics, Nicolaus Copernicus University, Grudziądzka 5, 87-100 Toruń, Poland

author

S. Wörmke

• Department of Chemistry and Biochemistry, Ludwig-Maximilian-University, Butenandtstrasse 11, D-81377 Munich, Germany

author

C. Jung

• Department of Chemistry and Biochemistry, Ludwig-Maximilian-University, Butenandtstrasse 11, D-81377 Munich, Germany

author

C. Bräuchle

• Department of Chemistry and Biochemistry, Ludwig-Maximilian-University, Butenandtstrasse 11, D-81377 Munich, Germany

author

A. Agarwal

• Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, USA

author

N. Kotov

• Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, USA

author

T. Schulte

• Department of Biology and Biotechnology, Ruhr-University Bochum, 44780 Bochum, Germany

author

E. Hofmann

• Department of Biology and Biotechnology, Ruhr-University Bochum, 44780 Bochum, Germany

author

T. Brotosudarmo

• Department of Biology I-Botany, Ludwig-Maximilian-University, D-80638 Munich, Germany

author

H. Scheer

• Department of Biology I-Botany, Ludwig-Maximilian-University, D-80638 Munich, Germany

author

A. Govorov

• Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA

author

R. Hiller

• Department of Biological Sciences, Macquarie University, North Ryde, NSW 2109, Australia

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Identifiers

DOI

10.12693/APhysPolA.116.S-22