Use of EPR Spectra Peculiarities of Transition Metal Ions When Studying Salt Concentrating Depending on Freezing Conditions

Authors

  • Oleg A. Nardid Institute for Problems of Cryobiology and Cryomedicine of the National Academy of Sciences of Ukraine, Kharkov

DOI:

https://doi.org/10.15407/cryo24.03.212

Keywords:

freezing, hyperconcentration, electron paramagnetic resonance, spin Hamiltonian, structure of spectra

Abstract

The EPR spectra of frozen salt solutions of paramagnetic cations were studied. The spectra structure and shape were
demonstrated to be dependent on regimen and composition of freezing medium. The obtained experimental EPR spectra are theoretically described by spin Hamiltonian containing axially symmetric term of fine structure with manifestation of forbidden Δm = ±1 transitions. There was proposed to use EPR approaches in designing low temperature technologies for biological object preservation to analyze freezing regimens and possible cryoprotectants to forecast the minimization of cryoinjury effects with high salt concentrations during freezing.


Probl Cryobiol Cryomed 2014; 24(3):212-221.

Author Biography

Oleg A. Nardid, Institute for Problems of Cryobiology and Cryomedicine of the National Academy of Sciences of Ukraine, Kharkov

Department of Cryobiophysics

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Published

2014-09-15

How to Cite

Nardid, O. A. (2014). Use of EPR Spectra Peculiarities of Transition Metal Ions When Studying Salt Concentrating Depending on Freezing Conditions. Problems of Cryobiology and Cryomedicine, 24(3), 212–221. https://doi.org/10.15407/cryo24.03.212

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Section

Theoretical and Experimental Cryobiology