Report

Micro/Nano Encapsulation via Electrified Coaxial Liquid Jets

Science  01 Mar 2002:
Vol. 295, Issue 5560, pp. 1695-1698
DOI: 10.1126/science.1067595

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Abstract

We report a method to generate steady coaxial jets of immiscible liquids with diameters in the range of micrometer/nanometer size. This compound jet is generated by the action of electro-hydrodynamic (EHD) forces with a diameter that ranges from tens of nanometers to tens of micrometers. The eventual jet breakup results in an aerosol of monodisperse compound droplets with the outer liquid surrounding or encapsulating the inner one. Following this approach, we have produced monodisperse capsules with diameters varying between 10 and 0.15 micrometers, depending on the running parameters.

  • * To whom correspondence should be addressed. E-mail: loscertales{at}uma.es; barrero{at}eurus2.us.es

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