✦ LIBER ✦

Heavy-atom effects on energy transfer from polynucleotides to terbium (III)

✍ Scribed by Victor W. Burns

Publisher: Wiley (John Wiley & Sons)
Year: 1985
Tongue: English
Weight: 439 KB
Volume: 24
Category: Article
ISSN: 0006-3525
DOI: 10.1002/bip.360240715

No coin nor oath required. For personal study only.

✦ Synopsis

Energy transfer in nucleic acids or polynucleotides at room temperature can be studied by using the fluorescence of complexed terbium (111) as a tool. Complexing the heavy atom thallium (I) enhances energy transfer from poly(G) to terbium (1111. Thallium has no effect on transfer from GMP to terbium and a small negative effect on the transfer from single-stranded DNA to terbium. Use of the Medinger-Wilkinson model to analyze the poly(G) results provides an estimate of the room-temperature intersystem crossing constant.

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