Triggered templated assembly of protein polymersomes.

Trigger the block: Stable biocompatible protein polymersomes can be generated by a triggered templated self-assembly route (see picture). Pluronic L121 vesicles (red core with blue corona) take up a biosynthetic triblock copolymer CSXSXC into their unilamellar shell. In response to changes in pH (trigger), the S block becomes hydrophobic and adapts to the template vesicle, thus directing the formation of protein polymersomes.

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