Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22562
Title: Shape-memory biopolymers based on -sheet structures of polyalanine segments inspired by spider silks
Authors: Huang, H
Hu, J 
Zhu, Y
Keywords: Biopolymers
Shape-memory function
-sheet structures
Spider silks
Thermal properties
Issue Date: 2013
Publisher: Wiley-V C H Verlag Gmbh
Source: Macromolecular bioscience, 2013, v. 13, no. 2, p. 161-166 How to cite?
Journal: Macromolecular Bioscience 
Abstract: The molecular structural design learned from natural materials enables synthetic polymers with desirable and unique features to be fabricated. Inspired by spider silks, short-chain polyalanine (PA) is introduced into multiblock biopolymers with poly(epsilon-caprolactone) segments via a coupling reaction. As a result, PA segments in biopolymers form similar -sheet crystals to that of natural spidroins. These new biopolymers are found to exhibit nearly complete shape recovery and high shape fixity, along with significantly improved thermal stability due to the strong -sheet structures as netpoints. This work provides new insight for the design of novel shape-memory polymers with potential use in biomedical applications.
URI: http://hdl.handle.net/10397/22562
ISSN: 1616-5187
DOI: 10.1002/mabi.201200306
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