Results 11 to 20 of about 766,114 (261)
Role of Exchange and Dipolar Interactions in the Radical Pair Model of the Avian Magnetic Compass [PDF]
Biophysical Journal, 2008 It is not yet understood how migratory birds sense the Earth's magnetic field as a source of compass information. One suggestion is that the magnetoreceptor involves a photochemical reaction whose product yields are sensitive to external magnetic fields.
Efimova, O, Hore, P
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Magneto-oncology: a radical pair primer
Frontiers in OncologyThere are few well-established biophysical mechanisms by which external magnetic fields can influence the biochemistry of molecules in living systems. The radical pair mechanism is arguably the most promising.
P. J. Hore
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Model for magnetic field effects on radical pair recombination in enzyme kinetics
Biophysical Journal, 1996 A prototypical model for describing magnetic field effects on the reaction kinetics of enzymes that exhibit radical pair recombination steps in their reaction cycle is presented. The model is an extended Michaelis-Menten reaction scheme including an intermediate enzyme-substrate complex where a spin-correlated radical pair state exists.
Eichwald, C., Walleczek, J.
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A Three-State Model for Energy Trapping and Chlorophyll Fluorescence in Photosystem II Incorporating Radical Pair Recombination [PDF]
Biophysical Journal, 2000 The multiphasic fluorescence induction kinetics upon a high intensity light pulse have been measured and analyzed at a time resolution of 10 micros in intact leaves of Peperomia metallica and Chenopodium album and in chloroplasts isolated from the latter.
W. Vredenberg
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Chemical Physics, 2003 Abstract It has been suggested that chemical reactions proceeding through radical pair intermediates could form the basis of bird’s ability to sense the geomagnetic field as a source of compass information [Biophys. J. 78 (2000) 707]. We present calculations of anisotropic reaction product yields for a flavin–tryptophan radical pair subject to a ...
Cintolesi, F +4 more
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Magnetic field effects in biology from the perspective of the radical pair mechanism [PDF]
Journal of the Royal Society Interface, 2022 Hundreds of studies have found that weak magnetic fields can significantly influence various biological systems. However, the underlying mechanisms behind these phenomena remain elusive.
Hadi Zadeh-Haghighi, C. Simon
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Quantum Control of Radical-Pair Dynamics beyond Time-Local Optimization [PDF]
PRX Quantum, 2023 We realize arbitrary waveform-based control of spin-selective recombination reactions of radical pairs in the low magnetic field regime. To this end, we extend the Gradient Ascent Pulse Engineering (GRAPE) paradigm to allow for optimizing reaction yields.
Farhan Tanvir Chowdhury +3 more
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Role of chiral-induced spin selectivity in the radical pair mechanism of avian magnetoreception. [PDF]
Physical Review E, 2022 In this paper, we investigate the effect of chiral-induced spin selectivity (CISS) on the radical pair mechanism of avian magnetoreception. We examine the impact of spin selectivity on the avian compass sensitivity. In this analysis, we also consider the
Y. Tiwari, V. Poonia
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Radical pairs may play a role in xenon-induced general anesthesia
Scientific Reports, 2021 Understanding the mechanisms underlying general anesthesia would be a key step towards understanding consciousness. The process of xenon-induced general anesthesia has been shown to involve electron transfer, and the potency of xenon as a general ...
Jordan Smith +3 more
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On the anisotropic weak magnetic field effect in radical-pair reactions.
Journal of Chemical Physics, 2023 For more than 60 years, scientists have been fascinated by the fact that magnetic fields even weaker than internal hyperfine fields can markedly affect spin-selective radical-pair reactions.
Jiate Luo
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