The effect of solvent dynamics on the low frequency collectivemotions of DNA in solution and unoriented films
Description: Infrared spectroscopy is used to probe the dynamics of invitro samples of DNA prepared as solutions and as solid unoriented films.The lowest frequency DNA mode identified in the far-infrared spectra ofthe DNA samples is found to shift in frequency when the solvent influencein the hydration shell is altered. The lowest frequency mode also hascharacteristics that are similar to beta - relaxations identified inother glass forming polymers.
Date: April 20, 2006
Creator: Woods, K.N.; Lee, S.A.; Holman, H.-Y.N. & Wiedemann, H.
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