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Study on synthesis of glycopeptide-based triblock copolymers and their aggregation behavior in water

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Frontiers of Materials Science in China : Volume 1, Issue 1, February 2007

Study on synthesis of glycopeptide-based triblock copolymers and their aggregation behavior in water

Content Provider	Springer Nature Link
Author	Tian, Zhen Wang, Meng Zhang, Aiying Feng, Zengguo
Copyright Year	2007
Abstract	This paper describes a preliminary study on the synthesis of glycopeptide-based triblock copolymers and their aggregate behavior in water. Initially, a polypeptide-based triblock copolymer, poly(L-lysine)-b-poly(tetrahydrofuran)-b-poly(L-lysine) (PLL$_{30}$-b-PTHF-b-PLL$_{30}$), was synthesized by the ring-opening polymerization of ɛ-benzyloxycarbonyl-L-lysine N-carboxyanhydride using amine-terminated poly(tetrahydrofuran) as a macroinitiator in the fixed feed ratio, followed by the removal of the protecting group. The resulting copolymer then reacted with a varying amount of D-gluconolactone in the presence of dipropylethylamine to give the corresponding glycopeptide-based copolymers with high yields. This kind of amphiphilic sugar-containing triblock copolymer can self-assemble into nano-sized aggregates in water. The critical aggregation concentration (CAC) was determined in the range of around 10$^{−6}$ M by fluorescence measurement. The spherical morphologies in 100–150 nm scale were also evidenced by transmission electron microscopy (TEM) measurements. They show potential as carriers for drug controlled delivery and templates for biomimetic mineralization.
Starting Page	162
Ending Page	167
Page Count	6
File Format	PDF
ISSN	16737377
Journal	Frontiers of Materials Science in China
Volume Number	1
Issue Number	2
e-ISSN	16737482
Language	English
Publisher	Higher Education Press
Publisher Date	2007-01-01
Publisher Institution	Chinese Universities
Publisher Place	Beijing
Access Restriction	Subscribed
Subject Keyword	glycopeptide amphiphilic triblock copolymer self-assembly critical aggregation concentration (CAC) Materials Science
Content Type	Text
Resource Type	Article
Subject	Materials Science

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