Spectra-kinetic investigation POLY(G) and DNA with luminescence probes: energy migration and changes of structure at low temperatures

The results are reported, which concern the energy migration in the Poly (G)-Tb 3+ complex. The upper limit for the jump rate is found to be 1.2 10 5 s −1. The comparison is made with theoretical models describing the energy migration in low-dimensional and isotropic systems. Using a luminescence pr...

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Bibliographic Details
Published in:Journal of molecular structure 1993-03, Vol.294, p.123-126
Main Authors: Blagoy, Yu.P., Levitsky, I.A., Rubin, Yu.V.
Format: Article
Language:English
Subjects:
Analytical, structural and metabolic biochemistry
Biological and medical sciences
Dna, deoxyribonucleoproteins
Fundamental and applied biological sciences. Psychology
Nucleic acids
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Summary:The results are reported, which concern the energy migration in the Poly (G)-Tb 3+ complex. The upper limit for the jump rate is found to be 1.2 10 5 s −1. The comparison is made with theoretical models describing the energy migration in low-dimensional and isotropic systems. Using a luminescence probe incorporated in DNA, the energy transfer and structural rearrangements in aqueous solution of DNA are studied in the temperature range 4.2 to 273 K.
ISSN:0022-2860
1872-8014
DOI:10.1016/0022-2860(93)80330-X