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Surface Patterning of Poly(ε-caprolactone): Epitaxial Crystallization and Enzymatic Degradation

✍ Scribed by Yoshihiro Kikkawa; Mayuko Takahashi; Masaru Aoyagi; Hiroshi Suga; Masatoshi Kanesato; Hideki Abe

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
407 KB
Volume
211
Category
Article
ISSN
1022-1352

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✦ Synopsis

Abstract

Surface patterning was carried out by the epitaxial crystallization of biodegradable PCL on a HOPG, and the surface morphologies were observed by atomic force microscopy. Edge‐on view lamellae were aligned along the HOPG lattice to display stripe patterns in the threefold symmetry. The intervals of stripe patterns composed of ridges and valleys increased with an increase in the crystallization temperature. Enzymatic degradation of the PCL nanopattern allowed the different depth profiles of the fringed structure. The persistence length of the nanopattern could be tuned by the molecular weight of PCL. magnified image

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