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Stefan Haacke

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Related publications (7)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

Coherent ultrafast torsional motion and isomerization of a biomimetic dipolar photoswitch

Majed Chergui, Andrea Cannizzo, Olivier Christian Bräm, Stefan Haacke

Femtosecond fluorescence up-conversion, UV-Vis and IR transient absorption spectroscopy are used to study the photo-isomerization dynamics of a new type of zwitterionic photoswitch based on a N-alkylated indanylidene pyrroline Schiff base framework (ZW-NAI ...

Royal Society of Chemistry2010

Functional electric field changes in photoactivated proteins revealed by ultrafast Stark spectroscopy of the Trp residues

Majed Chergui, Frank van Mourik, Andrea Cannizzo, Erwin Portuondo Campa, Stefan Haacke

Ultrafast transient absorption spectroscopy of wild-type bacteriorhodopsin (WT bR) and 2 tryptophan mutants (W86F and W182F) is performed with visible light excitation (pump) and UV probe. The aim is to investigate the photoinduced change in the charge dis ...

2009

Heterogeneity and relaxation dynamics of the photoexcited retianl Schiff base cation in solution

Majed Chergui, Goran Zgrablic, Stefan Haacke

We present steady-state and broadband femtosecond fluorescence spectra of the protonated Schiff base of retinal in various protic and aprotic solvents, as a function of the excitation wavelength. A detailed spectral decomposition of the time-resolved fluor ...

2009