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Two-dimensional patterning of bacterial light-harvesting 2 complexes on lipid-modified gold surface
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10.1063/1.4726105
/content/aip/journal/apl/100/23/10.1063/1.4726105
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/23/10.1063/1.4726105
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Image of FIG. 1.
FIG. 1.

Schematic presentation of the structure of substrates A to D and that of their preparation. As for the 20-nm-thick gold layer, it covers the substrate surface uniformly in substrate A and is patterned into 5-μm-wide stripes with a pitch of 10 μm in substrates B, C, and D. The pattern was fabricated by using positive photolithography and ion-beam etching. In substrates A and B, the thiol C-terminus of LH2-SH is chemically bonded to the gold surface directly. In substrates C and D, the gold surface is modified with SAM-assisted lipid bilayer. In substrate C, wt-LH2 is incorporated into the lipid bilayer, whereas in substrate D LH2-SH is chemically bonded with a reactive lipid of DOPE on top of the lipid bilayer.

Image of FIG. 2.
FIG. 2.

(top) Absorption spectra and fluorescence images of substrates A-D. (bottom) Transmission image (left) and fluorescence image (right) of the same region of substrate D using 765-855 nm bandpass filter. All fluorescence images were measured at 1-s exposure time.

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/content/aip/journal/apl/100/23/10.1063/1.4726105
2012-06-04
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Two-dimensional patterning of bacterial light-harvesting 2 complexes on lipid-modified gold surface
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/23/10.1063/1.4726105
10.1063/1.4726105
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