A Localized Effect of Light on the Protoplasmic Viscosity of Plant Cells

@article{Virgin1950ALE,
  title={A Localized Effect of Light on the Protoplasmic Viscosity of Plant Cells},
  author={H I Virgin},
  journal={Nature},
  year={1950},
  volume={166},
  pages={485-485}
}
IF one half of a leaf of Elodea densa is illuminated, the other half being screened off, a decrease in the permeability strictly localized to the illuminated area is observed1. This area accumulates methylene blue considerably more strongly than the unilluminated area.