title: Effects of isotopic substitution on electron spin resonance signals in photosynthetic organisms.
mesh_terms: D001419:Bacteria; D003201:Computers; D003470:Culture Media; D003624:Darkness; D003903:Deuterium; D004578:Electron Spin Resonance Spectroscopy; D056890:Eukaryota; D066298:In Vitro Techniques; D010788:Photosynthesis; D012246:Rhodospirillum
chemical_list: D003470:Culture Media; D003903:Deuterium