ArticleMolecules (Basel, Switzerland)2021
Limitations of Linear Dichroism Spectroscopy for Elucidating Structural Issues of Light-Harvesting Aggregates in Chlorosomes.
Article in Molecules (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Photophysics of plasmonically enhanced self-assembled artificial light-harvesting nanoantennas.Communications chemistry · 2025Review
- Linear Dichroism Microscopy Resolves Competing Structural Models of a Synthetic Light-Harvesting Complex.Journal of the American Chemical Society · 2025Article
- Self-aggregation of 13Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2024Article
- Multiparametric Remote Investigation in the near-IR through Optical Fiber for In Situ Measurements.Sensors (Basel, Switzerland) · 2023Article
- Chlorophylls: A Personal Snapshot.Molecules (Basel, Switzerland) · 2022Article
- The role of chirality and plastic crystallinity in the optical and mechanical properties of chlorosomes.iScience · 2022Article
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Abstract
Linear dichroism (LD) spectroscopy is a widely used technique for studying the mutual orientation of the transition-dipole moments of the electronically excited states of molecular aggregates. Often the method is applied to aggregates where detailed information about the geometrical arrangement of the monomers is lacking. However, for complex molecular assemblies where the monomers are assembled hierarchically in tiers of supramolecular structural elements, the method cannot extract well-founded information about the monomer arrangement. Here we discuss this difficulty on the example of chlorosomes, which are the light-harvesting aggregates of photosynthetic green-(non) sulfur bacteria. Chlorosomes consist of hundreds of thousands of bacteriochlorophyll molecules that self-assemble into secondary structural elements of curved lamellar or cylindrical morphology. We exploit data from polarization-resolved fluorescence-excitation spectroscopy performed on single chlorosomes for reconstructing the corresponding LD spectra. This reveals that LD spectroscopy is not suited for benchmarking structural models in particular for complex hierarchically organized molecular supramolecular assemblies.
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