期刊
PHYSICAL REVIEW LETTERS
卷 97, 期 25, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.97.258101
关键词
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Diffusion and segmental dynamics of the double-stranded lambda-phage DNA polymer are quantitatively studied over the transition range from stiff to semiflexible chains. Spectroscopy of fluorescence fluctuations of single-end fluorescently labeled monodisperse DNA fragments unambiguously shows that double-stranded DNA in the length range of 10(2)-2 x 10(4) base pairs behaves as a semiflexible polymer with segmental dynamics controlled by hydrodynamic interactions.
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