Assemblies of semiconductor quantum dots and light-harvesting-complex II
Identifieur interne : 002605 ( PascalFrancis/Checkpoint ); précédent : 002604; suivant : 002606Assemblies of semiconductor quantum dots and light-harvesting-complex II
Auteurs : Wolfgang Erker [Allemagne] ; Stephanie Boggasch [Allemagne] ; RENGUO XIE [Allemagne] ; Götz Grundmann [Allemagne] ; Harald Paulsen [Allemagne] ; Thomas Basche [Allemagne]Source :
- Journal of luminescence [ 0022-2313 ] ; 2010.
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- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
A novel hybrid system composed of fluorescent core/shell semiconductor quantum dots and the light harvesting complex II (LHCIIb), a membrane protein of higher plants, has been assembled. Experiments with different mutants show that hybrid formation can be mediated by a C-terminal His6 tag attached to the protein as well as by positive charges of the first N-terminal amino acids of LHCIIb. Quenching of the quantum dot fluorescence upon binding of LHCIIb was partially attributed to energy transfer from the quantum dots to LHCIIb.
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<front><div type="abstract" xml:lang="en">A novel hybrid system composed of fluorescent core/shell semiconductor quantum dots and the light harvesting complex II (LHCIIb), a membrane protein of higher plants, has been assembled. Experiments with different mutants show that hybrid formation can be mediated by a C-terminal His<sub>6</sub>
tag attached to the protein as well as by positive charges of the first N-terminal amino acids of LHCIIb. Quenching of the quantum dot fluorescence upon binding of LHCIIb was partially attributed to energy transfer from the quantum dots to LHCIIb.</div>
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