Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Effect of single-charged anions of different nature on the dna molecule conformation in water-salt solutions. / Sibileva, M. A.; Zatyaeva, A. A.; Matveeva, N. I.
в: Molecular Biology, Том 35, № 1, 2001, стр. 73–79.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Effect of single-charged anions of different nature on the dna molecule conformation in water-salt solutions
AU - Sibileva, M. A.
AU - Zatyaeva, A. A.
AU - Matveeva, N. I.
N1 - Copyright: Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2001
Y1 - 2001
N2 - Methods of intrinsic viscosity [t|] and beam flow birefringence were used to study the effects of some singlecharged ions (F~, Cl, Br, J~, NOj, NOj, ClO-, SCN, CH3COO~) on the size and thermodynamic rigidity of DNA molecule in aqueous solutions of sodium salts in a broad interval of ionic strength [i when temperature T is changed. It has been shown that the close interactions in a macromolecule and the resulting persistent length a of DNA are independent of the type of the salt anion over the whole interval of \i. On the contrary, specific volume of DNA molecule in solution, proportional to [r\] value, is quite sensitive to the anionic composition of a solvent which is due to the effect of anions and their hydration on the remote interactions in the macromolecule. The presence of polyatomic and halide anions is manifested differently in the [t|] value of DNA. Possible factors responsible for the observed effect and the role of structural alterations of water upon anion hydration are discussed.
AB - Methods of intrinsic viscosity [t|] and beam flow birefringence were used to study the effects of some singlecharged ions (F~, Cl, Br, J~, NOj, NOj, ClO-, SCN, CH3COO~) on the size and thermodynamic rigidity of DNA molecule in aqueous solutions of sodium salts in a broad interval of ionic strength [i when temperature T is changed. It has been shown that the close interactions in a macromolecule and the resulting persistent length a of DNA are independent of the type of the salt anion over the whole interval of \i. On the contrary, specific volume of DNA molecule in solution, proportional to [r\] value, is quite sensitive to the anionic composition of a solvent which is due to the effect of anions and their hydration on the remote interactions in the macromolecule. The presence of polyatomic and halide anions is manifested differently in the [t|] value of DNA. Possible factors responsible for the observed effect and the role of structural alterations of water upon anion hydration are discussed.
UR - http://www.scopus.com/inward/record.url?scp=0035216586&partnerID=8YFLogxK
U2 - 10.1023/A:1004854802312
DO - 10.1023/A:1004854802312
M3 - Article
C2 - 11234386
AN - SCOPUS:0035216586
VL - 35
SP - 73
EP - 79
JO - Molecular Biology
JF - Molecular Biology
SN - 0026-8933
IS - 1
ER -
ID: 9274213