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Science 19 February 1971:
Vol. 171. no. 3972, pp. 675 - 677
DOI: 10.1126/science.171.3972.675
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Articles

Fluorescence of the Purine and Pyrimidine Bases of the Nucleic Acids in Neutral Aqueous Solution at 300°K

Malcolm Daniels 1 and William Hauswirth 1

1 Radiation Center and Chemistry Department, Oregon State University, Corvallis 97331

Fluorescence of adenine, guanine, cytosine, and uracil at room temperature in neutral aqueous solution has been detected by means of a digital signal accumulation technique. Corrected emission and excitation spectra are presented and compared with low-temperature data. The quantum yields are, respectively, 2.6 x 10-4, 3.0 x 10-4, 0.8 x 10-4, and 0.5 x 10-4 when the bases are excited at their low-energy absorption maxima.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Adenine and 2-aminopurine: Paradigms of modern theoretical photochemistry.
L. Serrano-Andres, M. Merchan, and A. C. Borin (2006)
PNAS 103, 8691-8696
   Abstract »    Full Text »    PDF »
Photochemical selectivity in guanine-cytosine base-pair structures.
A. Abo-Riziq, L. Grace, E. Nir, M. Kabelac, P. Hobza, and M. S. de Vries (2005)
PNAS 102, 20-23
   Abstract »    Full Text »    PDF »


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