1947
DOI: 10.1007/bf02272675
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Photosynthesis as a light-sensitized transfer of hydrogen

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Cited by 12 publications
(5 citation statements)
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“…We believe to have shown beyond doubt, however, that the changes in oxidation-reduction potentials measured in suspensions of Chlorella are connected in some way or other with processes, particular to the mechanisms of photosynthetic carbon dioxide reduction. They are not, however, connected directly with the effects of over-all photosynthesis, an observation already reported earlier by WASSINK for experiments with purple bacteria (13,32). In addition, our experiments strongly support the idea that, at least during certain phases of the induction period the potentials are a reflection of the formation of reducing compounds by the primary photochemical process which are suitable as hydrogen donors for carbon dioxide reduction.…”
Section: Discussionmentioning
confidence: 68%
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“…We believe to have shown beyond doubt, however, that the changes in oxidation-reduction potentials measured in suspensions of Chlorella are connected in some way or other with processes, particular to the mechanisms of photosynthetic carbon dioxide reduction. They are not, however, connected directly with the effects of over-all photosynthesis, an observation already reported earlier by WASSINK for experiments with purple bacteria (13,32). In addition, our experiments strongly support the idea that, at least during certain phases of the induction period the potentials are a reflection of the formation of reducing compounds by the primary photochemical process which are suitable as hydrogen donors for carbon dioxide reduction.…”
Section: Discussionmentioning
confidence: 68%
“…In the light of present knowledge, their findings are no longer of great importance, however. The systematic use of the platinum electrode for potential measurements in suspensions of photosynthesising cells was initiated by WASSINK (13,14) in a study of Chromatium photosynthesis. For various reasons we have considered it of interest to extend this work to the study of green non-anaerobic organisms.…”
Section: Introductionmentioning
confidence: 99%
“…purple bacteria Wassink,63,66). This, of course, would not be perfectly conclusive evidence for an analogous shift inside the cells.…”
Section: E C Wassinkmentioning
confidence: 99%
“…The conclusion was that a reduced state was connected with low fluorescence. That, indeed, a more reduced statJe results in the presence of a hydrogen donor has been distinctly proved since, by means of direct measurement of the redox potential (63,66). The evidence obtained in the redox studies is in favor of the assumption that the energy acceptor is a redox system and that its reduced form acts as energy acceptor.…”
Section: Fig 33mentioning
confidence: 99%
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