Decay of Fluorescence Emission Anisotropy of the Ethidium Bromide-DNA Complex Evidence for an Internal Motion in DNA | Zendy

Ph. Wahl | Zendy; Jacques Paoletti | Zendy; Jean Bernard Le Pecq | Zendy

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Decay of Fluorescence Emission Anisotropy of the Ethidium Bromide-DNA Complex Evidence for an Internal Motion in DNA

Author(s) -

Ph. Wahl,

Jacques Paoletti,

Jean Bernard Le Pecq

Publication year - 1970

Publication title -

proceedings of the national academy of sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.011

H-Index - 771

eISSN - 1091-6490

pISSN - 0027-8424

DOI - 10.1073/pnas.65.2.417

Subject(s) - ethidium bromide , dna , anisotropy , relaxation (psychology) , fluorescence , fluorescence anisotropy , brownian motion , biophysics , helix (gastropod) , chemistry , nuclear magnetic resonance , molecular physics , physics , optics , biology , biochemistry , quantum mechanics , ecology , neuroscience , snail

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° and the relaxation time equal to 28 nanoseconds.

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