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Magnetic properties of copper as a constituent of nanobridges formed between spatially fixed deoxyribonucleic acid molecules |
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| Authors: | V N Nikiforov V D Kuznetsov Yu D Nechipurenko V I Salyanov Yu M Yevdokimov |
| Institution: | (1) Moscow State University, Vorob’evy gory, Moscow, 119899, Russia;(2) Mendeleev University of Chemical Technology, Miusskaya pl. 9, Moscow, 125047, Russia;(3) Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, ul. Vavilova 32, Moscow, 119991, Russia |
| Abstract: | The number of copper ions as constituents of a nanobridge that links two deoxyribonucleic acid (DNA) molecules that are fixed in a particle of a liquid-crystalline dispersion has been evaluated from the measurements of the magnetic susceptibility of particles in the liquid-crystalline dispersion of DNA. It has been shown that the experimental data are consistent with both theoretical assumptions on the possible structure of a nanobridge and a thermodynamic model that describes the formation of these bridges. |
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