Abstract
INVESTIGATION of the photo-degradation of aqueous tyrosine solutions by means of emission spectroscopy has revealed in the photo-degraded solutions a new emission (wavelength of maximum fluorescence intensity, λmax = 410 mµ) in addition to the main tyrosine emission (λmax = 303 mµ). This new emission may be useful in the quantitative investigation of the photochemistry of tyrosine. The identification of this new emission with a photo-degradation product seems to explain the difference in the spectra obtained by Longin1 and Teale and Weber2 for aqueous tyrosine solutions.
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References
Longin, P., C.R. Acad. Sci., Paris, 248, 1971 (1959).
Teale, F. W. J., and Weber, G., Biochem. J., 65, 476 (1957).
Vladimirov, Yu. A., Photochem. and Photobiol., 4, 369 (1965).
Dunlop, J. I., Photochem. and Photobiol., 5, 227 (1966).
Vladimirov, Yu. A., Bull. Acad. Sci. U.S.S.R., 23, 85 (1959).
Arnow, L. E., J. Biol. Chem., 120, 151 (1937).
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WEYL, D., MURFIN, D. Fluorescence of Photo-degraded Tyrosine Solutions. Nature 212, 921–922 (1966). https://doi.org/10.1038/212921a0
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DOI: https://doi.org/10.1038/212921a0
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