Abstract
NUCLEIC acids, because of the presence of purines and pyrimidines in the molecule, absorb ultra-violet light with a maximum absorption at 2600 A. Recently, Larionow and Brumberg1 suggested, on the basis of ultra-violet light photomicrographic studies, that desoxyribonucleic acid, as it exists in the nuclei of living cells, does not absorb ultra-violet light of wave-lengths near 2600 A. These investigators contended that absorption develops as a result of injury or death of the cell.
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References
Larionow, L. T., and Brumberg, E. M., Nature, 158, 663 (1946).
Ely, J. O., and Ross, M. H., J. Franklin Inst., 246, 87 (1948).
Wyckoff, R. W. G., "Symposia on Quantitative Biology", 2, 39 (1934).
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ELY, J., Ross, M. Absorption of Ultra-violet Light by Living Cells. Nature 163, 906 (1949). https://doi.org/10.1038/163906a0
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DOI: https://doi.org/10.1038/163906a0
