Mimicking Photosystem I with a Transmembrane Light Harvester and Energy Transfer-Induced Photoreduction in Phospholipid Bilayers.

Invited for the cover of this issue are Andrea Pannwitz, Sylvestre Bonnet and co-workers at Leiden University and Johns Hopkins University. The image depicts an observer watching over a lipid bilayer "landscape" and a sky full of luminescent giant vesicles. Read the full text of the article at 10.

Mimicking Photosystem I with a Transmembrane Light Harvester and Energy Transfer-Induced Photoreduction in Phospholipid Bilayers.

Photosystem I (PS I) is a transmembrane protein that assembles perpendicular to the membrane, and performs light harvesting, energy transfer, and electron transfer to a final, water-soluble electron acceptor. We present here a supramolecular model of it formed by a bicationic oligofluorene 1 bound to the bisanionic photoredox catalyst eosin Y (EY ) in phospholipid bilayers. According to confocal microscopy, molecular modeling, and time dependent density functional theory calculations, 1 prefers to align perpendicularly to the lipid bilayer.