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Concentration dependence of dielectric relaxation due to the helix–coil transition of poly(γ-benzyl L-glutamate)

✍ Scribed by Joachim Seeling; Gerhard Schwarz


Publisher
Wiley (John Wiley & Sons)
Year
1969
Tongue
English
Weight
162 KB
Volume
8
Category
Article
ISSN
0006-3525

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Solvent dependence of the helix–coil tra
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## 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 helix–coil conformational transition undergone by poly(γ‐benzyl‐L‐glutamate) in solutions of trifluoroacetic acid and deuterated chloroform was studied by proton and carbon‐13 nmr. The results indicate that in the case of the solvent‐induced helix–coil transition, the side chain ass

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The effects of deuteration and of changes in solvent composition on the thermodynamics of the helix-coil transition have been studied by calorimetric and optical measurements in the poly-7-benzyl-Lglutamatedichloroacetic acid-l,%dichloroethane system. For a given solvent composition, deuteration of