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Erschienen in: Colloid and Polymer Science 12/2016

27.09.2016 | Original Contribution

The interaction between poly(ε-caprolactone) copolymers containing sulfobetaines and proteins

verfasst von: Aijing Lu, Chenglong Li, Zhengzhong Wu, Xianglin Luo

Erschienen in: Colloid and Polymer Science | Ausgabe 12/2016

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Abstract

Copolymers of poly(ε-caprolactone) containing zwitterionic sulfobetaine may be used as biomedical materials. The interaction of these materials with proteins is rarely reported. In this study, amphiphilic copolymers PCL20-PDEAS6, PCL20-PEG200-PDEAS6, and PCL20-PEG400-PDEAS6, which contained poly{N-[2-(methacryloyloxy)ethyl]-N,N-diethyl-N-(3-sulfopropyl)-ammonium} (PDEAS), were designed and synthesized in order to explore interaction of these materials and their micelles with proteins. The structure of the copolymers was confirmed by 1H-NMR, Fourier transform infrared spectroscopy (FTIR), and element analysis (EA). The copolymers could form either films or micelles. The adsorption of bovine serum albumin (BSA) and fibrinogen (Fg) on the copolymer films and their micelles was studied. The results showed that BSA adsorbed on the films presented different tendencies from their micelle formulation. The protein adsorption may be related to the hydration in the shell of the micelles and the electrostatic interaction between the charges of zwitterion and the protein. The reason for the different amounts of protein adsorption between film and micelle formulation is the difference of molecular chain arrangement and charge distribution of PCLDEAS copolymer.

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Metadaten
Titel
The interaction between poly(ε-caprolactone) copolymers containing sulfobetaines and proteins
verfasst von
Aijing Lu
Chenglong Li
Zhengzhong Wu
Xianglin Luo
Publikationsdatum
27.09.2016
Verlag
Springer Berlin Heidelberg
Erschienen in
Colloid and Polymer Science / Ausgabe 12/2016
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-016-3942-3

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