✦ LIBER ✦
Fluorescence studies on poly-α-amino acids. II. Conformation-dependent excimer emission band in poly-L-tyrosine and poly-L-tryptophan
✍ Scribed by S. S. Lehrer; Gerald D. Fasman
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1964
- Tongue
- English
- Weight
- 272 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0006-3525
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✦ Synopsis
In the course of a general study of fluorescence in poly-a-amino acids containing tyrosine or tryptophan, we observed a new emission band. This band was observed in poly-L-tyrosine, poly-L-tryptophan, and in copolymers of tyrosine with glutamic acid or lysine. The presence of this band depends on the conformation of the polymer in the case of poly-~tyrosine, and is seen only in the helical structure. This is illustrated in