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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.

Konstantin L’vovich Ivanov
10-01-1977 – 05-03-2021

Kostya Ivanov died on 5 March having been admitted to hospital with pneumonia and Covid 
a few days previously. We remember him with great fondness as a world-class scientist, 
a true friend and colleague, a dedicated member of the International Spin Chemistry 
Committee, and much more.




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.
Spin Chemistry reviews:

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

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.



The 17th Spin Chemistry Meeting will be held at Northwestern University, Evanston, USA in September 2022.

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