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Macromol Rapid Commun. 2010 Jan 18;31(2):108-18. doi: 10.1002/marc.200900590. Epub 2009 Nov 24.

Droplet microfluidics for fabrication of non-spherical particles.

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School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA.


We describe new developments for controlled fabrication of monodisperse non-spherical particles using droplet microfluidics. The high degree of control afforded by microfluidic technologies enables generation of single and multiple emulsion droplets. We show that these droplets can be transformed to non-spherical particles through further simple, spontaneous processing steps, including arrested coalescence, asymmetric polymer solidification, polymerization in microfluidic flow, and evaporation-driven clustering. These versatile and scalable microfluidic approaches can be used for producing large quantities of non-spherical particles that are monodisperse in both size and shape; these have great potential for commercial applications.


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