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Updated: May 1, 2026

Particle Templated Emulsification enables Microfluidic-Free Droplet Assays
Published on: March 9, 2021
Spontaneous emulsification in ionic liquid/water systems and its use for templating of solids
Magdalena Kowacz1, José M S S Esperança, Luís Paulo N Rebelo
1Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal. magda@itqb.unl.pt luis.rebelo@itqb.unl.pt.
Abstract:
We report on the spontaneous formation of nano-sized ionic liquid/water (IL/W) emulsions in a simple system solely composed of an IL and aqueous solution of an inorganic salt. The IL ions play a dual role, that of both a surfactant and the dispersed phase. No extra surfactant is needed to promote emulsification. Droplets generation at the IL/W interface is captured by nanoparticulate and porous films that imprint the morphology of this unstable interface. The emulsion droplets are employed to create core-shell microcrystals with potential functionality.
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