Letter | Published:

Examination of Optically Excited Amino-acids by Electron Spin Resonance at Very Low Temperature

Nature volume 199, page 1092 (14 September 1963) | Download Citation

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Abstract

WE have recently1 investigated the irradiation by ultra-violet light of amino-acids at low temperature. Preliminary results of an investigation by electron spin resonance were given. We mentioned the difficulties of a correct interpretation of the signals obtained on micro-crystalline powders of phenylalanine and tryptophan. Here are the first results of an investigation concerning solutions of aromatic amino-acids (tryptophan, phenylalanine, tyrosine).

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References

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Affiliations

  1. Muséum National d'Histoire Naturelle, Laboratoire de Biophysique, 61 rue Buffon, Paris.

    • MARIUS PTAK
    •  & PIERRE DOUZOU

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https://doi.org/10.1038/1991092a0

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