Counterion effects on the physical prope
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N. Lavalle; S. A. Lee; A. Rupprecht
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Article
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1990
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Wiley (John Wiley & Sons)
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English
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We report measurements of the water content and swelling of wet-spun films of Na-, K-, Rb-, and Cs-DNA as a function of relative humidity ( r h ) . The water contents (number of water molecules per base pair of DNA) of these films are found to be quite similar, indicating that the identity of the co