Circular Dichroism Spectra of Axially Oriented Rhodospirillum rubrum Cells and Their Fragments Immobilized in Polymer Film

• Authors: Roman Cegielski , Danuta Frąckowiak , Jim Liang
• Languages of publication: EN

Abstracts

EN

Circular Dichroism (CD) spectra of Rhodospirillum rubrum cells, and their fragments embedded in isotropic and uniaxially oriented by stretching polyvinyl alcohol films were measured. Effects responsible for CD signal generation such as assymetry of chromophores itself, the helical organisation of lamellar system, the helical texture of stretched PVA matrix, the contribution from circular and linear birefringence, as well as from exciton splitting resulting from pigments mutual interactions are discussed.

Keywords

EN

87.15.Mi; 33.55.Ad

• Journal: Acta Physica Polonica A
• Year: 1991
• Volume: 79
• Issue: 4
• Pages: 479-491

Dates

published

1991-04

received

1990-06-21

Contributors

author

Roman Cegielski

• Institute of Physics, Poznań Technical University, Piotrowo 3, 60-965 Poznań, Poland

author

Danuta Frąckowiak

• Institute of Physics, Poznań Technical University, Piotrowo 3, 60-965 Poznań, Poland

author

Jim Liang

• Department of Chemistry, University of Utah, Salt Lake City, Utah 84 112, USA

Identifiers

DOI

10.12693/APhysPolA.79.479