Harvard College

Jing Fan

David A Weitz

Alireza Abbaspourrad

Weixia Zhang

The present invention generally relates to microfluidic droplets and, in particular, to multiple emulsion microfluidic droplets. In certain aspects, particles such as gel particles can be prepared in an aqueous carrier from aqueous droplets (or a non-aqueous carrier from non-aqueous droplets). For example, in some embodiments, double-emulsion droplets of a first fluid, surrounded by a second fluid, contained in a carrier fluid may be prepared, where the first fluid forms a gel and the second fluid is removed. For instance, the second fluid may be dissolved in the carrier fluid, or the second fluid may be hardened, then removed, for example, due to a change in pH. Other embodiments of the present invention are generally directed to kits containing such microfluidic droplets, microfluidic devices for making such microfluidic droplets, or the like.

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Cambridge, MA, United States of America

Jing Fan