Interactions between Chlorophyll and Water in the Solid State: Electron Spin Resonance

@article{Sherman1968InteractionsBC,
  title={Interactions between Chlorophyll and Water in the Solid State: Electron Spin Resonance},
  author={G N Sherman and E Fujimori},
  journal={Nature},
  year={1968},
  volume={219},
  pages={375-377}
}
ELECTRON spin resonance (ESR) signals in photosynthetic materials have been observed1–3, but their identification and significance in photosynthesis are still obscure. We describe here ESR observations on pure, solid chlorophyll a as a function of water, with emphasis on the dark signal.