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Effect of ionic strength on DNA hydration during thermal helix-coil transition

✍ Scribed by Barbara Lubas; Tadeusz Wilczok


Book ID
115744054
Publisher
Elsevier Science
Year
1970
Weight
452 KB
Volume
224
Category
Article
ISSN
0005-2787

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πŸ“œ SIMILAR VOLUMES


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Thermal denaturation of direct-mixed and reconstituted polylysine-DNA complexes in 2.5 X 10-4 M EDTA, pH 8.0 and various concentrations of NaCl has been studied. For both complexes, increasing ionic strength of the solution raises T,, the melting temperature of free base pairs. The linear dependence

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## Abstract The effect of magnesium ions on the parameters of the DNA helix‐coil transition has been studied for the concentration range 10^βˆ’6^–10^βˆ’1^__M__ at the ionic strengths of 10^βˆ’3^__M__ Na^+^. Special attention has been given to the region of low ion concentrations and to the effect of poly

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New Brunswick, New Jersey 08903 ## Synopsis The bimolecular rate constant k z for the association of complementary polynucleotide strands has been observed to increase strongly with increasing ionic strength-in fact, proportional to its third or fourth power. This effect is here interpreted quant