Issue 41, 2012
From the journal:

Soft Matter

Control of evaporating complex fluids through electrowetting

D. Mampallil,a   H. B. Eral,a   D. van den Endea  and  F. Mugele*a  

* Corresponding authors

a University of Twente, MESA+ Institute for Nanotechnology, Physics of Complex Fluids, P.O. Box 217, 7500 AE Enschede, The Netherlands
E-mail: f.mugele@utwente.nl
Fax: +31 53 489 1097
Tel: +31 53 489 3094

Abstract

Evaporating drops of complex fluids such as colloidal suspensions and macromolecular solutions typically leave behind ring-shaped solid residues commonly known as coffee stains. Electrowetting-driven microfluidic flows allow for controlling this process. We present coffee stain suppression for colloidal suspensions of variable concentration and particle size and we demonstrate an improved sample preparation method for MALDI mass spectrometry.

Graphical abstract: Control of evaporating complex fluids through electrowetting

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Article information

DOI
https://doi.org/10.1039/C2SM26103K
Article type
Communication
Submitted
12 May 2012
Accepted
03 Jul 2012
First published
20 Jul 2012
This article is Open Access

Soft Matter, 2012,8, 10614-10617

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Control of evaporating complex fluids through electrowetting

D. Mampallil, H. B. Eral, D. van den Ende and F. Mugele, Soft Matter, 2012, 8, 10614 DOI: 10.1039/C2SM26103K

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