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Electrical conductivity in the solid state of sodium salts of calf thymus DNA

โœ Scribed by M. F. Lecompte; D. Muller; M. Jozefowicz

Publisher
Wiley (John Wiley & Sons)
Year
1972
Tongue
English
Weight
696 KB
Volume
11
Category
Article
ISSN
0006-3525

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โœฆ Synopsis

Abstract

A dc conductivity study of native and denatured samples of sodium salts of calf thymus DNA in the solid state was performed at different temperatures and water content. From the results obtained it appears that the major carrier of conductivity is either electronic or ionic, depending upon the temperature of the sample, the water content, and the fact that the conductivity of native samples is higher than that of the denatured ones. These results have been confirmed by dc conductivity studies of poly U and poly A.

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โœ Gerald Cohen; Henryk Eisenberg ๐Ÿ“‚ Article ๐Ÿ“… 1966 ๐Ÿ› Wiley (John Wiley & Sons) ๐ŸŒ English โš– 611 KB

## Synopsis $elutions of calf thymus NaRNA in 0.2M NaCl and CsDNA in 0.2M CsCl (fragmented by sonic irradiation to a molecular weighb of about 5 X 106) were examined by electron microscopy, light scattering, and viscosity measurements. Electron microscopy showed that the molecular fragments are ro