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Lei Gao, Ke Zhang, Bo Peng, Yi Shi and Yongming Chen Core extractable nano-objects: Manipulating triblock copolymer micelles Journal of Polymer Science Part B: Polymer Physics 50

Version of Record online: 6 DEC 2011 | DOI: 10.1002/polb.23009

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Stimuli-responsive block copolymers can form various morphologies depending on, for example, pH, temperature, or proper choice of solvent. By changing the dispersing solvent, the structure of nano-objects from triblock copolymer micelles can be manipulated from solid to hollow spheres. The transition is attributed to the migration of core-block chains across the crosslinked shells of the micelles and makes them attractive for applications such as encapsulation for drug and gene delivery.

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