Related Experiment Video
Updated: Jan 21, 2026

Single-Molecule Imaging of Nuclear Transport
Published on: June 9, 2010
Fully independent photochemical reactivity in one molecule
David E Marschner1, Christoph O Franck, Doris Abt
1Macromolecular Architectures, Institute for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstr. 18, 76131 Karlsruhe, Germany. christopher.barner-kowollik@kit.edu.
Abstract:
We introduce a chemically λ-orthogonal bichromophore triggered simply by different colours of light, enabling two different photochemical reactions in one molecule. Uniquely, the short wavelength (λ = 314 nm) does not trigger the red-shifted reaction system (λ = 416 nm), opening possibilities for the light controlled gating of specific molecular sites independent of wavelength.
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