Issue 107, 2015

Miscible polypeptide blends of polytyrosine and poly(γ-methyl l-glutamate) with rigid-rod conformations

Abstract

In this study, a new miscible rod–rod polypeptide blend system comprising polytyrosine (PTyr) and poly(γ-methyl L-glutamate) (PMLG) was developed. Differential scanning calorimetry revealed significant positive deviations in the glass transition temperatures of these PTyr/PMLG blends, arising from intermolecular hydrogen bonding between the phenolic OH groups of PTyr and the side chain C[double bond, length as m-dash]O groups of PMLG, as well as secondary structural changes of the polypeptides confirmed using solid state nuclear magnetic resonance spectroscopy.

Graphical abstract: Miscible polypeptide blends of polytyrosine and poly(γ-methyl l-glutamate) with rigid-rod conformations

Supplementary files

Article information

Article type
Paper
Submitted
16 Sep 2015
Accepted
12 Oct 2015
First published
14 Oct 2015

RSC Adv., 2015,5, 88539-88547

Author version available

Miscible polypeptide blends of polytyrosine and poly(γ-methyl L-glutamate) with rigid-rod conformations

Y. Lu and S. Kuo, RSC Adv., 2015, 5, 88539 DOI: 10.1039/C5RA19037A

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