Issue 4, 2004
From the journal:

Lab on a Chip

Compact, high voltage power supply for the lab-on-a-chip

Greg E. Collins,*a   Peter Wu,b   Qin Lu,c   Jeremy D. Ramseyc  and  Richard H. Bromundd  

* Corresponding authors

a Chemistry Division, Code 6112, Naval Research Laboratory, 4555 Overlook Ave. S.W., Washington, DC 20375, USA

b Department of Physics, Southern Oregon University, 1250 Siskiyou Blvd., Ashland, OR 97520, USA

c GeoCenters, Inc., 4601 Presidents Drive, Lanham, MD 20706, USA

d Department of Chemistry, The College of Wooster, 943 College Mall, Wooster, OH 44691, USA

Abstract

The design, construction and operation of a simple, inexpensive and compact high voltage power supply (HVPS) for use in conjunction with a simple cross capillary electrophoresis microchip is presented. The microchip HVPS utilizes a single high voltage power supply (15 kV), a voltage-divider network, to give the voltages necessary to operate a gated injection valve, and two high voltage relays for switching between the open and closed gate sequences of the injection. In order to accommodate the application of different simple cross microchip dimensions, a set of equations for defining the resistor network and ensuring proper gate performance are presented.

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Article information

DOI
https://doi.org/10.1039/B314349J
Article type
Technical Note
Submitted
10 Nov 2003
Accepted
12 Feb 2004
First published
29 Mar 2004

Lab Chip, 2004,4, 408-411

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Compact, high voltage power supply for the lab-on-a-chip

G. E. Collins, P. Wu, Q. Lu, J. D. Ramsey and R. H. Bromund, Lab Chip, 2004, 4, 408 DOI: 10.1039/B314349J

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