Helix to coil transition in poly(γ-benzyl-L-glutamate)
✍ Scribed by Groot, K. ;Feyen, J. ;Visser, A. C. ;Ridder, G. ;Bantjes, A.
- Book ID
- 105228606
- Publisher
- Springer-Verlag
- Year
- 1971
- Weight
- 172 KB
- Volume
- 246
- Category
- Article
- ISSN
- 0023-2904
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## Abstract The helix–coil transition in poly(γ‐benzyl L‐glutamate‐__co__‐γ‐methyl L‐glutamate) copolypeptides was studied experimentally in nonaqueous solvents and the results compared with theory. It is found that the transition can be described by the same theory as for the homopolypeptides, but
In this paper two points are considered: the methods of evaluating the helical content 8 and the calculation of the parameters of the transition from experimental data and its interpretation. The parameter AH obtained is in good agreement with the calorimetric one and v is found to be independent of
The helix-coil transition temperature Tc of poly(Y-benzy1 bglutamate) in binary solvent mixtures of dichloroacetic acid and l,bdichlorobutane, 1-chlorooctane, or 1chlorododecane have been measured. A treatment is presented with which the transition enthalpy can be calculated from the observed depend