M
Mark G. Roelofs
Researcher at Stanford University
Publications - 12
Citations - 300
Mark G. Roelofs is an academic researcher from Stanford University. The author has contributed to research in topics: Benzaldehyde & Oxygen. The author has an hindex of 9, co-authored 12 publications receiving 296 citations.
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Magnetic Field Effects on Reaction Yields in the Solid State: An Example from Photosynthetic Reaction Centers
TL;DR: Magnetic Field Effects Prior to 1970 there were several reports of the effects of magnetic fields on chemical reactions, though there was much rebuttal and retraction in this early literature as discussed by the authors.
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Anisotropic magnetic interactions in the primary radical ion-pair of photosynthetic reaction centers.
TL;DR: The quantum yield of triplets formed by ion-pair recombination in quinone-depleted photosynthetic reaction centers is found to depend on their orientation in a magnetic field, expected to be a general property of radical pair reactions in the solid state.
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Contributions of spin-spin interactions to the magnetic field dependence of the triplet quantum yield in photosynthetic reaction centers
TL;DR: The authors showed that dipolar coupling in the primary radical ion pair of quinone-depleted photosynthetic reaction centers substanually affects the magnetic field dependence of the triplet quantum yield.
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The effect of large magnetic fields and the g-factor difference on the triplet population in photosynthetic reaction centers
TL;DR: In this paper, the triplet population in reduced photosynthetic reaction centers was found to increase on application of large magnetic fields (1.5-14 KG) and the triplets were formed by charge recombination of spin-correlated radical ions with different g -factors.
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Oscillations and complex mechanisms: O2 oxidation of benzaldehyde
TL;DR: In this article, a mechanistic model is proposed in which the reaction alternates between two stages, in stage I the dissolved oxygen concentration is appreciable and benzoyl radicals combine with oxygen, ultimately oxidizing Co(II) to Co(III).