Spin-lattice relaxation of water protons in plant and animal cells
NMR-spin echo method has been used to study spin-lattice relaxation time of protons T1 in plant and animal cells — muscle tissue of fish, the cells of which unlike plant cells have no developed system of vacuoles, plastids and a solid cell wall. According to the values of T1 time a new NMR parameter...
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| Veröffentlicht in: | Biophysics (Oxford) 2012-07, Vol.57 (4), p.504-507 |
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| creator | Samuilov, F. D. Nikiforov, E. A. Nikiforova, V. I. |
| description | NMR-spin echo method has been used to study spin-lattice relaxation time of protons T1 in plant and animal cells — muscle tissue of fish, the cells of which unlike plant cells have no developed system of vacuoles, plastids and a solid cell wall. According to the values of T1 time a new NMR parameter K, a coefficient of relaxation effectiveness of a cell structure, has been calculated. This parameter can be used for quantitative characterization of the influence of different cell structures, the tissue water interact with, for a time of spin-lattice relaxation of water protons. It has been ascertained that the values of K coefficient in animal tissue and in storing tissues of some plants differ little; it may be stipulated by permanent transmembrane water exchange which occurs at high rate in the living cell. It has been concluded that there exists a certain similarity between water state in protoplast of plant and animal cells. |
| doi_str_mv | 10.1134/S000635091204015X |
| format | Article |
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It has been ascertained that the values of K coefficient in animal tissue and in storing tissues of some plants differ little; it may be stipulated by permanent transmembrane water exchange which occurs at high rate in the living cell. 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| subjects | Biological and Medical Physics Biophysics Cellular biology Complex Systems Biophysics NMR Nuclear magnetic resonance Physics Physics and Astronomy Protons Water |
| title | Spin-lattice relaxation of water protons in plant and animal cells |
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