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pH-switchable polymer nanostructures for controlled release

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Doncom, Kay E. B., Hansell, Claire F., Theato, Patrick and O'Reilly, Rachel K. (2012) pH-switchable polymer nanostructures for controlled release. Polymer Chemistry, Vol.3 (No.10). pp. 3007-3015. doi:10.1039/c2py20545a ISSN 1759-9954.

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Official URL: http://dx.doi.org/10.1039/C2PY20545A

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Abstract

A diblock copolymer consisting of poly(methyl acrylate) (PMA) and poly(pentafluorophenyl acrylate) (PPFPA) was synthesized by RAFT polymerization methods. The PPFPA block was then substituted with N,N-diisopropylethylenediamine and the end group modified with one of two hydrophilic groups to form pH-responsive copolymers. The self-assembly properties of these polymers were investigated and shown by TEM and DLS to form micelles at acidic pH and vesicles at basic pH. The encapsulation and controlled release of a hydrophilic dye molecule, Rhodamine B, was demonstrated using fluorescence spectroscopy.

Item Type: Journal Article
Divisions: Faculty of Science, Engineering and Medicine > Science > Chemistry
Journal or Publication Title: Polymer Chemistry
Publisher: Royal Society of Chemistry
ISSN: 1759-9954
Official Date: 2012
Dates:
DateEvent
2012Published
Volume: Vol.3
Number: No.10
Page Range: pp. 3007-3015
DOI: 10.1039/c2py20545a
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

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