title: AN ATTEMPT AT QUANTITATION OF THE SHARP LIGHT-INDUCED ELECTRON PARAMAGNETIC RESONANCE SIGNAL IN PHOTOSYNTHETIC MATERIALS.
mesh_terms: D002734:Chlorophyll; D002736:Chloroplasts; D002844:Chromatium; D002856:Chromatophores; D004578:Electron Spin Resonance Spectroscopy; D056890:Eukaryota; D008027:Light; D010788:Photosynthesis; D010944:Plants; D012106:Research; D012246:Rhodospirillum
chemical_list: D002734:Chlorophyll
keywords: ALGAE; CHLOROPHYLL; CHLOROPLASTS; CHROMATIUM; CHROMATOPHORES; ELECTRON SPIN RESONANCE; EXPERIMENTAL LAB STUDY; PHOTOSYNTHESIS; RHODOSPIRILLUM