1. Fabricating microfluidics device with electrodes using liquid solder:

Journal Title:

Cofabrication of Electromagnets and Microfluidic Systems in Poly(dimethylsiloxane)

Adam C. Siegel, Sergey S. Shevkoplyas Dr., Douglas B. Weibel Dr., Derek A. Bruzewicz, Andres W. Martinez, George M. Whitesides Prof.

First published: 26 September 2006 DOI: 10.1002/anie.200602273

Journal: Angewandte Chemie

Link: http://onlinelibrary.wiley.com/doi/10.1002/anie.200602273/abstract

2. This can also be done using salt water instead of liquid solder:

Journal Title: Generating electric fields in PDMS microfluidic devices with salt water electrodes

Adam Sciambi and Adam R. Abate

Department of Bioengineering and Therapeutic Sciences, California Institute for Quantitative Biosciences, University of California, San Francisco, USA

Lab Chip, 2014,14, 2605-2609 DOI: 10.1039/C4LC00078A

Link: http://pubs.rsc.org/en/Content/ArticleLanding/2014/LC/c4lc00078a#!divAbstract