Abstract
Changes in the tertiary structure of a high-molecular-mass DNA in solution that result from the addition of trivalent lanthanum ions, including intramolecular structuring of the macromolecule, are studied by atomic-force microscopy. The effect of bivalent magnesium and manganese ions on the structure of DNA in an aqueous-alcohol solution is analyzed. The data are compared with the results of viscometry, dynamic light scattering, flow birefringence, circular dichroism, and UV spectrophotometry.
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Original Russian Text © N.A. Kasyanenko, D.A. Mukhin, I.Yu. Perevyazko, 2010, published in Vysokomolekulyarnye Soedineniya, Ser. C, 2010, Vol. 52, No. 7, pp. 1360–1372.
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Kasyanenko, N.A., Mukhin, D.A. & Perevyazko, I.Y. Conformational changes of a DNA molecule induced by metal complexes formed in solution. Polym. Sci. Ser. C 52, 122–133 (2010). https://doi.org/10.1134/S1811238210010145
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DOI: https://doi.org/10.1134/S1811238210010145