Issue 3, 2013
From the journal:

Lab on a Chip

Fast, active droplet interaction: coalescence and reactive mixing controlled by electrowetting on a superhydrophobic surface†

Angelo Accardo,a   Federico Mecarini,a   Marco Leoncini,a   Fernando Brandi,b   Emanuela Di Cola,c   Manfred Burghammer,c   Christian Riekelc  and  Enzo Di Fabrizio*ad  

* Corresponding authors

a Istituto Italiano di Tecnologia, Nanostructures Department, Via Morego, Genova 16163, Italy
E-mail: angelo.accardo@iit.it, federico.mecarini@iit.it, marco.leoncini@iit.it, enzo.difabrizio@iit.it

b Istituto Italiano di Tecnologia, Nanophysics Department, Via Morego, Genova, Italy
E-mail: fernando.brandi@iit.it

c European Synchrotron Radiation Facility, B.P. 220, F-38043 Grenoble Cedex, France
E-mail: emanuela.di_cola@esrf.fr, burghammer@esrf.fr, riekel@esrf.fr

d BIONEM lab University of Magna Graecia, Campus Salvatore Venuta, Viale Europa 88100, Germaneto-Catanzaro, Italy

Abstract

A novel electrowetting-on-dielectrics (EWOD) device in open planar geometry allows probing of droplet mixing on a superhydrophobic substrate under quasi contact-free conditions. We demonstrate a droplet-based microreactor with integrated convective-flow mixing for the reactive-mixing of CaCl2/Na2CO3 solutions. The device provides unique conditions for scattering, spectroscopy and imaging probes requiring an unobstructed droplet-access.

Graphical abstract: Fast, active droplet interaction: coalescence and reactive mixing controlled by electrowetting on a superhydrophobic surface

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Article information

DOI
https://doi.org/10.1039/C2LC41193H
Article type
Communication
Submitted
13 Jul 2012
Accepted
16 Nov 2012
First published
19 Nov 2012

Lab Chip, 2013,13, 332-335

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Fast, active droplet interaction: coalescence and reactive mixing controlled by electrowetting on a superhydrophobic surface

A. Accardo, F. Mecarini, M. Leoncini, F. Brandi, E. Di Cola, M. Burghammer, C. Riekel and E. Di Fabrizio, Lab Chip, 2013, 13, 332 DOI: 10.1039/C2LC41193H

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