Circular Dichroism of Poly-L-tyrosine *
β Scribed by Beychok, Sherman; Fasman, Gerald D.
- Book ID
- 120352614
- Publisher
- American Chemical Society
- Year
- 1964
- Tongue
- English
- Weight
- 526 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0006-2960
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We report the rircular dirhroism (0) spectrum of poly-L-acetoxyproline in trifluoroethanol, a solvent in which the form I to form I1 conformational isomerization orcurs slowly enough to permit observation of the spectral changes. A romparison is made to poly-L-proline. As judged by the similarity of
Vibrational circular dichroism (VCD), the differential absorption of circularly polarized light by vibrational transitions, is a new technique of potential use for stereochemical analysis.13 Recent instrumental developments have allowed extension of the VCD technique down to 1250 cm-l, thereby encom