Affiliation:
1. From the Kaiser Wilhelm Institut für Zellphysiologie, Berlin-Dahlem, Germany
Abstract
1. The relative absorption spectrum of the pigments in their natural state in the photosynthetic bacterium Spirillum rubrum is given from 400 to 900 mµ. The position of the absorption maxima in the live bacteria due to each of the pigments is: green pigment, 420, 590, 880; red pigment, 490, 510, 550.
2. The relative absorption spectrum of the green pigment in methyl alcohol has been determined from 400 to 900 mµ. Bands at 410, 605, and 770 mµ were found.
3. The wave length sensitivity curve of the photosynthetic mechanism has been determined and shows maxima at 590 and about 900 mµ.
4. It is concluded that the green bacteriochlorophyll alone and not the red pigment can act as a light absorber for photochemical CO2 reduction.
Publisher
Rockefeller University Press
Cited by
54 articles.
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