Wahl P, Paoletti J, Le Pecq J B
Proc Natl Acad Sci U S A. 1970 Feb;65(2):417-21. doi: 10.1073/pnas.65.2.417.
Evidence for an internal oscillatory Brownian motion in the DNA helix is obtained from the measurement of the decay of the fluorescence emission anisotropy of the ethidium bromide-DNA complex. The amplitude of the oscillation is found to be equal to 35 degrees and the relaxation time equal to 28 nanoseconds.
通过测量溴化乙锭 - DNA 复合物荧光发射各向异性的衰减,获得了 DNA 螺旋内部存在振荡布朗运动的证据。发现振荡幅度等于 35 度,弛豫时间等于 28 纳秒。