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  • Title: [Effect of paramagnetic additives on the spin lattice relaxation of the protons of intracellular water].
    Author: Samuilov FD, Nikiforova VI, Nikiforov EA.
    Journal: Biofizika; 1979; 24(2):270-3. PubMed ID: 444605.
    Abstract:
    Studies of the effects of Mn2+ and Fe3+ paramagnetic ions on spin-lattice relaxation of water protons in plant cells have shown that paramagnetic admixtures which are in the cells under normal conditions (in natural quantities) produce no significant effect on the rate of spin-lattice relation of water protons. On the basis of the investigations of proton, spin-lattice relaxation at increased content of Mn2+ paramagnetic ions in plant cells possible separation of relaxation times T1l and T1s which are corresponded by different water fractions in the cells is shown as well as possible stimation of water quantity in the fractions.
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