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The effect of the antioxidant spermine on the photophysical reactions of tryptophan in aqueous solution at 77 K

✍ Scribed by Gharib S. Mahmoud; Thor B. Melø

Book ID
108043894
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
842 KB
Volume
5
Category
Article
ISSN
1011-1344

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An electron paramagnetic resonance study
An electron paramagnetic resonance study of the influence of spermine on the photophysical reactions of tryptophan in aqueous solution at 77–200 K
✍ Gharib S. Mahmoud 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 826 KB

The influence of the antioxidant spermine of the UV-induced formation of free radicals from tryptophan in frozen aqueous solutions was studied by electron paramagnetic resonance (EPR) instrumentation, and the stability of the radicals was investigated in the range 95-200 K. Without spermine, the try