Chlorophyll-chlorophyll and chlorophyll-water interactions in the solid state
Copyright policy )Chlorophyll-chlorophyll and chlorophyll-water interactions in the solid state
Abstract Absorption spectra in the visible and infrared have been recorded for films of dry chlorophyll a , chlorophyll b , bacteriochlorophyll, pyrochlorophyll a , and pheophytin a . The effects of water on the spectra have also been studied. From the infrared it is possible to deduce structures for the chlorophyll species involved, and to correlate the visible absorption spectra of both chlorophyll oligomers and chlorophyll-water adducts with particular chlorophyll species. Hydration may cause large red shifts in the visible absorption spectra, probably as a result of changes in the orientation of the chlorophyll molecules relative to each other.
- Argonne National Laboratory United States
Chlorophyll, Porphyrins, Bacteria, Chemical Phenomena, Infrared Rays, Macromolecular Substances, Water, Models, Structural, Chemistry, Models, Chemical, Spectrophotometry
Chlorophyll, Porphyrins, Bacteria, Chemical Phenomena, Infrared Rays, Macromolecular Substances, Water, Models, Structural, Chemistry, Models, Chemical, Spectrophotometry
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