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Radical Pair Reaction Scheme

The purpose of this website is:

to promote the research field of Spin Chemistry;
to facilitate communication within the Spin Chemistry community;
and to provide information about Spin Chemistry.

What is Spin Chemistry?

Broadly defined, Spin Chemistry deals with the effects of electron and nuclear spins in particular, and magnetic interactions in general, on the rates and yields of chemical reactions. It is manifested as spin polarization in EPR and NMR spectra and the magnetic field dependence of chemical processes. Applications include studies of the mechanisms and kinetics of free radical and biradical reactions in solution, the energetics of photosynthetic electron transfer reactions, and various magnetokinetic effects, including possible biological effects of extremely low frequency and radiofrequency electromagnetic fields, the mechanisms by which animals can sense the Earth’s magnetic field for orientation and navigation, and the possibility of manipulating radical lifetimes so as to control the outcome of their reactions.
Some Spin Chemistry reviews:

The radical-pair mechanism of magnetoreception, P. J. Hore and H. Mouritsen, Annu. Rev. Biophys. 45 (2016) 299-344.

Study of spin-correlated radical ion pairs in irradiated solutions by optically detected EPR and related techniques. V. Borovkov, D. Stass, V. Bagryansky, Yu. Molin. In: Applications of EPR in Radiation Research, 2014 Vol. VII, pp.  629-663, 2014, 773p. DOI 10.1007/978-3-319-09216-4_17, Print ISBN 978-3-319-09215-7, Online ISBN 978-3-319-09216-4, Publisher  Springer International Publishing, Editors A. Lund and M. Shiotani.

Coherent spin control of radiation-generated radical ion pairs in liquid alkanes. D. V. Stass, S. V. Anishchik and V. N. Verkhovlyuk. In: Selectivity, Control, and Fine Tuning in High-Energy Chemistry, 2011, ISBN: 978-81-308-0432-3 Editors: D. V. Stass and V. I. Feldman, Research Signpost, pp. 143-189.

Optically detected ESR and time-resolved magnetic field effect in radiation chemistry of non-polar solutions. M. M. Vyushkova, P. A. Potashov, V. I. Borovkov, V. A. Bagryansky, Yu. N. Molin. In: Selectivity, Control, and Fine Tuning in High-Energy Chemistry, 2011, ISBN: 978-81-308-0432-3 Editors: D. V. Stass and V. I. Feldman, Research Signpost, pp. 191-220.

Time-resolved electron paramagnetic resonance spectroscopy: history, technique, and application to supramolecular and macromolecular chemistry, M. D. E. Forbes, L. E. Jarocha, S. Y. Sim and V. F. Tarasov, Adv. Phys. Org. Chem., Vol. 47, Ch. 1, pp. 1-83, Elsevier, 2013. Reprint request

Magnetic field effects in chemical kinetics and related phenomena, U. E. Steiner and T. Ulrich, Chem. Rev. 89 (1989) 51-147. Reprint download  Reprint request

Radical pairs in solution, J. R. Woodward, Prog. React. Kinet. Mech. 27 (2002) 165-207. Reprint request

Effects of high magnetic fields on photochemical reactions, Y. Tanimoto and Y. Fujiwara, in Handbook of Photochemistry and Photobiology, Vol. 1: Inorganic Photochemistry, H. S. Nalwa (Ed.), American Scientific Publishers, California, 2003, p. 413. Reprint request

A study of spin chemistry in weak magnetic fields, C. R. Timmel and K. B. Henbest, Phil. Trans. Roy. Soc. London, A 362 (2004) 2573-2589. Reprint request

Quantum beats in radical pairs, V.A. Bagryansky, V.I. Borovkov and Yu. N. Molin, Russ. Chem. Rev. 76 (2007) 493-506. Reprint request 

Magnetic field effects in chemical systems, C. T. Rodgers, Pure Appl. Chem. 81 (2009) 19-43. Reprint download

Chemical magnetoreception in birds: the radical pair mechanism, C. T. Rodgers and P. J. Hore, Proc. Natl. Acad. Sci. USA, 106 (2009) 353-360. Reprint request

Time-resolved studies of radical pairs, J. R. Woodward, T. J. Foster, A. R. Jones, A. T. Salaoru and N. S. Scrutton, Biochem. Soc. Trans. 37 (2009) 358–362. Reprint request



It is with great sadness that the International Spin Chemistry Committee learnt of the death on 2 December 2018 of Professor Y. John I’Haya at the age of 90. John was the Founder Chairman of the ISCC and the Organiser of the inaugural Spin Chemistry Meeting held in Tomakomai, Japan in 1991. Our thoughts are with his family, colleagues and friends.

The next Spin Chemistry Meeting will be held in St Petersburg, 18-23 August 2019.

International School for Young Scientists, "Magnetic Resonance and Magnetic Phenomena in Chemical and Biological Physics", September 15—20, 2018, St. Petersburg region (Russia).

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