Supramolecular energy transfer from photoexcited chlorosomal zinc porphyrin self-aggregates to a chlorin or bacteriochlorin monomer as models of main light-harvesting antenna systems in green photosynthetic bacteria.
Self-aggregates of a synthetic zinc porphyrin worked as a light absorber and photoexcited energy donor, transferred the collected energy to a small amount of 3-acetyl-(bacterio)chlorin monomer, and induced near-infrared fluorescence from the acceptors in aqueous micellar solution. These artificial supramolecular systems are novel models of the main light-harvesting antennas of green photosynthetic bacteria, chlorosomes.
Graduate School of Life Sciences, Ritsumeikan University, Kusatsu, Shiga 525-8577, Japan.
Yumiko
Y
Kataoka
Yutaka
Y
Shibata
Hitoshi
H
Tamiaki
D001419:Bacteria / Q000378:metabolism*; D004735:Energy Transfer; D045342:Light-Harvesting Protein Complexes / Q000378:metabolism; D008665:Metalloporphyrins / Q000737:chemistry*; D008954:Models, Biological; D011166:Porphyrins / Q000737:chemistry* / Q000378:metabolism; D013050:Spectrometry, Fluorescence
D045342:Light-Harvesting Protein Complexes; D008665:Metalloporphyrins; D011166:Porphyrins; C452433:bacteriochlorin; C017802:zinc hematoporphyrin; C006969:chlorin