Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 33, Issue 15, Pages 1286-1293Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201200175
Keywords
microdeformation; microencapsulation; microgels
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Funding
- NSF [DMR-1006546, ECS-0335765]
- Harvard MRSEC [DMR-0820484]
- German National Academy of Sciences Leopoldina [BMBF-LPD 9901/8-186]
- Focus Area NanoScale at FU Berlin
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Microgel particles can be fabricated with great control by droplet-based microfluidics; however, to this end, their shape is intrinsically limited to be spherical. Existing approaches to circumvent this limitation rely on the rapid interception of transient non-spherical preparticle shapes, greatly limiting their versatility. This paper presents a facile microfluidic approach that overcomes this limitation. The method utilizes the injection of scaffolding microgel particles into droplets that have insufficient volumes to host the microgels in a spherical shell. As a result, the drops adopt non-spherical equilibrium shapes that serve to template non-spherical soft supraparticles by slow and gentle chemical reactions.
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