Sinha, N.
, Shi, Y.
, Kloxin, C.
, Saven, J.
, Faraone, A.
, Jensen, G.
and Pochan, D.
(2021),
Intramolecular Structure and Dynamics in Computationally Designed Peptide-Based Polymers Displaying Tunable Chain Stiffness, Physical Review Materials
(Accessed May 4, 2024)
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Intramolecular Structure and Dynamics in Computationally Designed Peptide-Based Polymers Displaying Tunable Chain Stiffness
Published
Author(s)
Nairiti Sinha, Yi Shi, Christopher J. Kloxin, Jeffery G. Saven, , Grethe V. Jensen, Darrin J. Pochan
Abstract
Polymers constructed via hybrid physical-covalent assembly of computationally designed peptide coiled coils, or bundlemers, display tunable chain stiffness via control of inter-bundlemer connectivity. Neutron spin echo spectroscopy reveals that rigid rod polymers of bundlemers possess a dynamic decay rate Γ Q2 behavior over the entire accessible probed range of wave vector, Q, whereas the semi-rigid chains with small flexible linkers exhibit distinct bending modes (Γ Q8/3) at intermediate-Q. Identical Γ Q2 behavior at high Q is indicative of similar, local bundlemer dynamics in both polymer systems.Citation
Physical Review Materials
Volume
5
Issue
9
Pub Type
Journals
Keywords
Neutron Spin Echo, Bundlemers, polymers
Citation
Created September 6, 2021, Updated September 20, 2022