From structure to dynamics: modeling exciton dynamics in the photosynthetic antenna PS1

Article Abstract:

In a wide temperature range, frequency domain spectra of the photosystem I (PS1) of Synechococcus elongatus are measured and explained in an exciton model based on the X-ray crystal structure. Time-dependent fluorescence spectra are calculated to confirm the quality of the resulting PS1 model.

Observations, Fluorescence, Photosynthesis

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Assessing a generalized CHNO intermolecular potential through ab initio crystal structure prediction

Article Abstract:

Ab initio crystal prediction methods were used to analyze Buckingham repulsion-dispersion intermolecular potential developed for the nitramine explosive RDX. The results showed that for 148 of the 174 systems studied and the predicted crystal structures matched the experimental configurations.

Intermolecular forces, Chemical properties, Detonators

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Spectral hole burning and fluorescence line narrowing in subunits of the light-harvesting complex LH1 of purple bacteria

Article Abstract:

Hole burning and fluorescence line narrowing between 1.2 K and 4.2 K have been used to analyze spectroscopic properties of the B820 and B777 subunits of the core light-harvesting complex LH1 of purple bacteria Rhodospirillum rubrum G9. The LH1 complex was shown to dissociate in two steps.

Research, Dissociation, Dissociation reactions, Fluorescence spectroscopy

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