Polymer Science Series C

, Volume 52, Issue 1, pp 122–133 | Cite as

Conformational changes of a DNA molecule induced by metal complexes formed in solution

  • N. A. Kasyanenko
  • D. A. Mukhin
  • I. Yu. Perevyazko
Article

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.

Keywords

Lanthanum Polymer Science Series Alcohol Concentration Specific Viscosity Flow Birefringence 

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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  • N. A. Kasyanenko
    • 1
  • D. A. Mukhin
    • 1
  • I. Yu. Perevyazko
    • 1
  1. 1.Faculty of PhysicsSt. Petersburg State UniversityPetrodvorets, St. PetersburgRussia

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