ArticleThe journal of physical chemistry. B2009
Exciton delocalization and transport in photosystem I of cyanobacteria Synechococcus elongates: simulation study of coherent two-dimensional optical signals.
Article in The journal of physical chemistry. B, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 27 citations in OpenAlex.
- Tunable and robust optical and structural properties of a cooperative squaraine-dye aggregate-DNA DX-DAE tile system.Nanoscale · 2025Article
- Pursuing excitonic energy transfer with programmable DNA-based optical breadboards.Chemical Society reviews · 2023Review
- Sustainable Production of Pigments from Cyanobacteria.Advances in biochemical engineering/biotechnology · 2023Article
- First-principles studies of substituent effects on squaraine dyes.RSC advances · 2021Article
- Excitonic structure and charge separation in the heliobacterial reaction center probed by multispectral multidimensional spectroscopy.Nature communications · 2021Article
- Cryo-EM structure of a functional monomeric Photosystem I from Thermosynechococcus elongatus reveals red chlorophyll cluster.Communications biology · 2021Article
- Exciton Delocalization in Indolenine Squaraine Aggregates Templated by DNA Holliday Junction Scaffolds.The journal of physical chemistry. B · 2020Article
- Energy-transfer and charge-separation pathways in the reaction center of photosystem II revealed by coherent two-dimensional optical spectroscopy.The Journal of chemical physics · 2010Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
Electronic excitations and the optical properties of the photosynthetic complex PSI are analyzed using an effective exciton model developed by Vaitekonis et al. [Photosynth. Res. 2005, 86, 185]. States of the reaction center, the linker states, the highly delocalized antenna states and the red states are identified and assigned in absorption and circular dichroism spectra by taking into account the spectral distribution of density of exciton states, exciton delocalization length, and participation ratio in the reaction center. Signatures of exciton cooperative dynamics in nonchiral and chirality-induced two-dimensional (2D) photon-echo signals are identified. Nonchiral signals show resonances associated with the red, the reaction center, and the bulk antenna states as well as transport between them. Spectrally overlapping contributions of the linker and the delocalized antenna states are clearly resolved in the chirality-induced signals. Strong correlations are observed between the delocalized antenna states, the linker states, and the RC states. The active space of the complex covering the RC, the linker, and the delocalized antenna states is common to PSI complexes in bacteria and plants.
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