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Rienk van Grondelle

Researcher at VU University Amsterdam

Publications -  479
Citations -  28979

Rienk van Grondelle is an academic researcher from VU University Amsterdam. The author has contributed to research in topics: Excited state & Photosynthetic reaction centre. The author has an hindex of 81, co-authored 476 publications receiving 26434 citations. Previous affiliations of Rienk van Grondelle include University of Sheffield & University of Chicago.

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Initial steps of signal generation in photoactive yellow protein revealed with femtosecond mid-infrared spectroscopy.

TL;DR: It is concluded that breaking of the hydrogen bond of the chromophore's C=O group with amino acid Cys69 and formation of a stable cis ground state occur in approximately 2 ps, which event is identified with the I(0) to I(1) transition observed in visible spectroscopy.

Incoherent manipulation of the photoactive yellow protein photocycle with dispersed pump-dump-probe spectroscopy

TL;DR: The dynamical processes responsible for triggering the photoactive yellow protein photocycle have been disentangled with the use of a novel application of dispersed ultrafast pump-dump-probe spectroscopy, where thePhotocycle can be started and interrupted with appropriately tuned and timed laser pulses.
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Low-temperature optical properties and pigment organization of the B875 light-harvesting bacteriochlorophyll-protein complex of purple photosynthetic bacteria

TL;DR: The CD spectrum of isolated B875 indicates that the interactions between the BChls but not the carotenoids are altered upon isolation, and CD spectra appear to reflect the two spectral forms of B875 BChl in Rps.
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Photoisomerization and photoionization of the photoactive yellow protein chromophore in solution

TL;DR: It is found that the relaxation of the photoexcited chromophores involves multiple, transient ground-state intermediates and the chromophore in solution does not generate persistent photoisomerized products, but instead undergoes photoionization resulting in the generation of detached electrons and radicals.