Quenching of polyadenylic acid emission by divalent metal ions at room temperature
Kobayashi, S.; Yamashita, M.
Nucleic Acids Symposium Series 17: 215-218
1986
ISSN/ISBN: 0261-3166 PMID: 3562268 Document Number: 280240
A quenching of poly A emission at 293K in neutral pH by transition metal ions and alkaline earth ions has been studied. The results indicate that the longer wavelength emission of poly A is quenched by not only Co(II) and Ni(II) but also Mg(II). The measured large values of quenching efficiency suggest that the excitation energy migrate more than 10 adenine bases even at 293K.
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