Nanometer light source: Interaction between high-affinity binding sites on lipid-coated nanocrystals (NCs) and different proteins enables the controlled formation of supramolecular nanostructures on micropatterned surfaces (see picture; FRET=fluorescence resonant energy transfer, NTA=nitrilotriacetic acid, His6=hexahistidine). The NCs serve as local light sources emitting light over distances from 1 to more than 10 nm.
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Geissbuehler et al. (2005) studied this question.
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