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Dielectric relaxation measurements as a tool for studying the kinetics of the helix–coil transition of poly (γ-benzyl L-glutamate)

✍ Scribed by Eve Marchal


Publisher
Wiley (John Wiley & Sons)
Year
1971
Tongue
English
Weight
162 KB
Volume
10
Category
Article
ISSN
0006-3525

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Solvent dependence of the helix–coil tra
✍ Luciano Ferrara; Piero A. Temussi 📂 Article 📅 1973 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 395 KB 👁 2 views

## Abstract The coil to helix conformational transitions undergone by poly‐γ‐benzyl‐~L~‐glutamate in solutions of haloacetic acids and various cosolvents were studied by means of proton magnetic resonance. The results indicate a very small solvent dependence of the α‐CH Helix–coil chemical shift di

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## Abstract The thermal helix–coil transition of four samples of poly(γ‐benzyl‐L‐glutamate) in the dioxane–dichloroacetic acid (DCA) mixture was studied by optical rotatory dispersion method. The transition occurred at very high DCA content (97.5% by weight) in this system. The transition parameter

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By combining the heat of dilution of a poly (y-benzyl L-glutamate)-dichloroacetic acid-1,2-dichloroethane solution with the corresponding heat of mixing of two solvents, the integrated heat of the coil-helix transition of poly(y-benzyl L-glutamate) in the solution was estimated to be about 750 cal/m