Self-folding all-polymer thermoresponsive microcapsules: Partially biodegradable thermoresponsive self-folding capsules capable of controlled capture and release of cells have been created by a team based in Germany. Georgi Stoychev, Nikolay Puretskiy and Leonid Ionov demonstrated the principle using star-like patterned polycaprolactone-poly(N-isopropylacrylamide) bilayers, which reversibly encapsulate/release yeast cells in response to a temperature signal. (Soft Matter, 2011, 7, 3277-3279.)
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