Использование особенностей спектров ЭПР ионов переходных металлов при исследовании концентрирования солей в зависимости от условий замораживания

Использование особенностей спектров ЭПР ионов переходных металлов при исследовании концентрирования солей в зависимости от условий замораживания

The EPR spectra of frozen salt solutions of paramagnetic cations were studied. The spectra structure and shape weredemonstrated to be dependent on regimen and composition of freezing medium. The obtained experimental EPR spectra are theoretically described by spin Hamiltonian containing axially symm...

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Bibliographic Details
Date:2014
Main Author: Nardid, Oleg A.
Format: Article
Language:English
Published: Publishing House ‘Akademperiodyka’ of the National Academy of Sciences of Ukraine; Institute for Problems of Cryobiology and Cryomedicine 2014
Subjects:
заморожування
гіперконцентрування
електронний парамагнітний резонанс
спін-гамільтоніан
структура спектрів
Online Access:https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/714
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Journal Title:Problems of Cryobiology and Cryomedicine

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Problems of Cryobiology and Cryomedicine
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Summary:The EPR spectra of frozen salt solutions of paramagnetic cations were studied. The spectra structure and shape weredemonstrated 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.

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