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  • Title: Self-Assembly and pH-Responsiveness of ABC Miktoarm Star Terpolymers.
    Author: Van Butsele K, Fustin CA, Gohy JF, Jérôme R, Jérôme C.
    Journal: Langmuir; 2009 Jan 06; 25(1):107-11. PubMed ID: 19209424.
    Abstract:
    This work deals with the self-assembly in water of ABC miktoarm star terpolymers consisting of hydrophobic poly(-caprolactone), hydrophilic poly(ethylene oxide) (PEO), and pH-sensitive poly(2-vinylpyridine) (P2VP). A variety of experimental techniques were used, including dynamic light scattering, transmission electron microscopy, and zeta potential. Special attention was paid to the pH dependency of the supramolecular self-assemblies. A key observation is the capability of the miktoarm terpolymers to form micelles stable over the whole range of pH, although a transition was observed from neutral to highly positively charged nanoobjects upon decreasing pH.
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