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Full-Text Articles in Biomedical Engineering and Bioengineering
Alternative Cdep Design To Facilitate Cell Isolation For Identification By Raman Spectroscopy, Cynthia Hanson, Elizabeth Vargis
Alternative Cdep Design To Facilitate Cell Isolation For Identification By Raman Spectroscopy, Cynthia Hanson, Elizabeth Vargis
Biological Engineering Faculty Publications
Dielectrophoresis (DEP) uses non-uniform electric fields to cause motion in particles due to the particles' intrinsic properties. As such, DEP is a well-suited label-free means for cell sorting. Of the various methods of implementing DEP, contactless dielectrophoresis (cDEP) is advantageous as it avoids common problems associated with DEP, such as electrode fouling and electrolysis. Unfortunately, cDEP devices can be difficult to fabricate, replicate, and reuse. In addition, the operating parameters are limited by the dielectric breakdown of polydimethylsiloxane (PDMS). This study presents an alternative way to fabricate a cDEP device allowing for higher operating voltages, improved replication, and the opportunity …