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A COMPARISON OF PHYCOCYANINS FROM THREE DIFFERENT SPECIES OF CYANOBACTERIA EMPLOYING RESONANCE‐ENHANCED COHERENT ANTI‐STOKES RAMAN SPECTROSCOPY
Author(s) -
Schneider S.,
Prenzel C.J.,
Brehm G.,
Gedeck P.,
Sai P. S. Maruthi,
Gottschalk L.,
Scheer H.
Publication year - 1993
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1993.tb02255.x
Subject(s) - trimer , raman spectroscopy , chromophore , monomer , resonance raman spectroscopy , phycocyanin , resonance (particle physics) , cyanobacteria , photochemistry , spirulina (dietary supplement) , chemistry , spectral line , materials science , dimer , optics , physics , atomic physics , biology , polymer , organic chemistry , bacteria , raw material , astronomy , genetics
Resonance‐enhanced coherent anti‐Stokes Raman spectra are recorded for monomers and trimers of phycocyanin from three different cyanobacteria: Westiellopsis prolifica, Mastigocladus laminosus and Spirulina platensis. It is shown that upon aggregation from monomer to trimer the electronic structures of both the α84 and β84 chromophores are changed. The spectra of the trimers originating from S. platensis and M. laminosus are very similar to each other, but distinctly different from the spectrum of W. prolifica.