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Hole–Shell Microparticles from Controllably Evolved Double Emulsions


  • The authors gratefully acknowledge support from the National Natural Science Foundation of China (21136006, 21076127), and the Program for Changjiang Scholars and Innovative Research Team in University of China (IRT1163).


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Hole in one! Hole–shell microparticles (blue, see picture) with controllable structures and flexible internal surfaces have been fabricated from W/O/W emulsions. These microparticles could be used as microcontainers for the controlled capture/release of molecules, microsphere classification/separation, confined cell culture, or as microreactors for catalysis.