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Photolithographic patterning of biological light-harvesting complexes.

Janusz, Stefan J. (2008) Photolithographic patterning of biological light-harvesting complexes. PhD thesis, University of Sheffield.

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Abstract

'Biokleptic' architectures, whereby biological material is literally stolen into an artificial fabrication, offer real-world solutions to nanotechnological engineering problems. The light harvesting 2 complex (LH2) from Rhodobacter sphaeroides, which increases the photosynthetic efficiency of the bacterium, has been successfully patterned on both micrometre and nanometre length scales using photolithographic techniques coupled with directive immobilisation chemistries. LH2 is present in some bacteria that use photosynthesis as a major energy source. Its function is to widen the spectral response of the organism and increase the photoresponsive chromophore cross-section. Retention of biological functionality-light harvesting and fluorescence—is demonstrated in patterned LH2 complexes on SAMs.

Item Type: Thesis (PhD)
Academic Units: The University of Sheffield > Faculty of Science (Sheffield) > Chemistry (Sheffield)
Identification Number/EthosID: uk.bl.ethos.489133
Depositing User: EThOS Import Sheffield
Date Deposited: 05 Dec 2016 15:53
Last Modified: 05 Dec 2016 15:53
URI: http://etheses.whiterose.ac.uk/id/eprint/14927

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