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Fluorescence of Two-dimensional Patterned PhotosyntheticProteins onto Gold surface

Published online by Cambridge University Press:  01 February 2011

Rei A. Furukawa ,
Shunsuke Yajima ,
Shinji Nozaki ,
Takehisa Dewa  and
Mamoru Nango
Rei A. Furukawa
Affiliation:
The University of Electro-communications, 1-5-1 Chofugaoka, Tokyo, 182–8585 Japan.
Shunsuke Yajima
Affiliation:
Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, 466–8555 Japan.
Shinji Nozaki
Affiliation:
The University of Electro-communications, 1-5-1 Chofugaoka, Tokyo, 182–8585 Japan.
Takehisa Dewa
Affiliation:
Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, 466–8555 Japan.
Mamoru Nango
Affiliation:
Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka, 558–8585 Japan.
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Abstract

Photosynthetic membrane proteins convert solar light into chemical energy ina significantly high efficiency. Up-to-date reports of the photosyntheticbacterium suggest that such effective light conversion is due to the energytransfer between two light-harvesting (LH) protein complexes that arepatterned in two dimensions. In this report, LH complex isolated from Rb. sphaeroides was immobilized onto a patterned goldsurface with self-assembled monolayers (SAMs) and lipid bilayers at two mainobjectives: (1) micron-scale patterning of LH complex, and (2) prevention ofquenching for pattern observation.

Keywords

biomaterialself-assemblyluminescence

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References

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