NDLI: Oil-in-water microfluidics on the colloidal scale: new routes to self-assembly and glassy packings

Content Provider	Royal Society of Chemistry (RSC)
Author	Seddon, Annela M. Meissner, Max Dong, Jun Eggers, Jens Royall, C. Patrick
Copyright Year	2017
Abstract	We have developed norland optical adhesive (NOA) flow focusing devices, making use of the excellent solvent compatibility and surface properties of NOA to generate micron scale oil-in-water emulsions with polydispersities as low as 5%. While current work on microfluidic oil-in-water emulsification largely concerns the production of droplets with sizes on the order of 10s of micrometres, large enough that Brownian motion is negligible, our NOA devices can produce droplets with radii ranging from 2 μm to 12 μm. To demonstrate the utility of these emulsions as colloidal model systems we produce fluorescently labelled polydimethylsiloxane droplets suitable for particle resolved studies with confocal microscopy. We analyse the structure of the resulting emulsion in 3D using coordinate tracking and the topological cluster classification and reveal a new mono-disperse thermal system.
Starting Page	788
Ending Page	794
Page Count	7
File Format	HTM / HTML PDF
ISSN	1744683X
Volume Number	13
Issue Number	4
Journal	Soft Matter
DOI	10.1039/c6sm02390h
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Brownian motion Emulsion Micrometre Confocal microscopy Solvent Polydimethylsiloxane Three-dimensional space
Content Type	Text
Resource Type	Article
Subject	Chemistry Condensed Matter Physics

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Oil-in-water microfluidics on the colloidal scale: new routes to self-assembly and glassy packings