Journal
LAB ON A CHIP
Volume 15, Issue 16, Pages 3335-3340Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5lc00631g
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Funding
- National Science Foundation [DMR-1310266, ECS-0335765]
- Harvard Materials Research Science and Engineering Center [DMR-1420570]
- Marie Curie International Outgoing Fellowship within the EU Seventh Framework Programme for Research and Technological Development
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1310266] Funding Source: National Science Foundation
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We report a versatile and robust device for the continuous production of double emulsion drops with very thin shell thicknesses, of about 5% of the radius: for emulsions 50 mu m in radius the shells can be as thin as a few micrometers. Importantly, the viscosity of the oil shell can be varied from that of water up to 70 times that of water without compromising device operation. Furthermore, this device can be easily scaled-up as it is made through soft lithography; this may enable the production of industrial quantities of double emulsion drops with ultra-thin shells, which may serve as templates to form capsules with homogeneous shell thicknesses, useful beyond scientific applications.
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