NDLI: A dielectrophoretic particle and cell concentrator

Content Provider	IEEE Xplore Digital Library
Author	Bennett, D.J. Khusid, B. Galambos, P.C. James, C.D. Okandan, M.
Copyright Year	2003
Description	Author affiliation: Sandia Nat. Labs., Albuquerque, NM, USA (Bennett, D.J.)
Abstract	An experimental and theoretical study is described concerning the dielectric motion of particles in a suspension subject to high-gradient AC electric fields. The experiments were performed on very dilute suspensions of polystyrene latex beads in DI water. Several experiments were run using channels designed with Sandia National Laboratories' SwIFT/sup /spl trade// (Surface Micromachining with Integrated Fluidic Technologies) process. The SwIFT/sup /spl trade// process allows for the closest spacing of electrodes achievable using photolithographic patterning. A sinusoidal AC electric field was applied between two electrodes using 10 V peak-to-peak (ptp) and 30 MHz. Negative dielectrophoresis is observed with particles moving towards the low field gradient. The Computational Fluid Dynamics Research Corporation Code (CFDRC) was used to calculate the field gradient. Particle polarizability was calculated by measuring the concentration dependence of the permittivity at specified frequencies using an impedance analyzer.
Sponsorship	IEEE Electron Devices Soc
Starting Page	1225
Ending Page	1228
File Size	318139
Page Count	4
File Format	PDF
ISBN	0780377311
DOI	10.1109/SENSOR.2003.1216993
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dielectrophoresis Electric fields Electrodes Dielectrics Laboratories Micromachining Fluidic microsystems Microfluidics Computational fluid dynamics Polarization
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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