Magnetic field effect on the chlorophyll fluorescence in Chlorella

Nicholas E. Geacintov, Francis van Nostrand, Martin Pope, Jack B. Tinkel

Research output: Contribution to journalArticlepeer-review

Abstract

The chlorophyll a fluorescence in Chlorella pyrenoidosa can be enhanced by 4-9% if the excitation light beam is parallel to an external magnetic field or decreased by 4-9% if the light beam is oriented perpendicular to a magnetic field of about 16 kgauss or more. These effects cannot be explained in terms of the small changes in light absorption which are also observed. It is suggested that these observations are due to a reorientation of pigment molecules in the magnetic field.

Original languageEnglish (US)
Pages (from-to)486-491
Number of pages6
JournalBBA - Bioenergetics
Volume226
Issue number2
DOIs
StatePublished - Mar 2 1971

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Cell Biology

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