Technical Brief

Device for Quantifying Neural Response and Other Conditions by Measuring Sweat Gland Function1

[+] Author and Article Information
Jun Young Lim, Stephen A. Campbell

Electrical and Computer Engineering,
University of Minnesota,
200 Union Street SE,
4-174 Keller Hall,
Minneapolis, MN 55455-0170

Ming-Lun Wu

Biomedical Engineering,
University of Florida,
1275 Center Drive,
Biomedical Sciences Building JG-56,
P.O. Box 116131,
Gainesville, FL 32611-6131

William R. Kennedy

Department of Neurology,
University of Minnesota,
420 Delaware St. SE,
MMC 295,
Minneapolis, MN 55455

Accepted and presented at the Design of Medical Devices Conference (DMD2014), Minneapolis, MN, April 7–10, 2014.DOI: 10.1115/1.4027095

Manuscript received February 21, 2014; final manuscript received March 4, 2014; published online July 21, 2014. Editor: Arthur G. Erdman.

J. Med. Devices 8(3), 030939 (Jul 21, 2014) (2 pages) Paper No: MED-14-1064; doi: 10.1115/1.4027095 History: Received February 21, 2014; Revised March 04, 2014

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Grahic Jump Location
Fig. 2

(a) Fabrication process for array sweat analyzer. (b) Fabrication procedure for IGFET. Photographs of completed (c) array sweat analyzer, and (d) IGFET.

Grahic Jump Location
Fig. 1

(a) Device schematic, (b) grid sweat analyzer, and (c) side view of IGFET

Grahic Jump Location
Fig. 3

(a) Resistance change over time when the grid analyzer is exposed to NaCl solution. (b) Vt changes as a function of NaCl concentration. (c) Circuit diagram for the test board. (d) Response of the array analyzer to the device being immersed in NaCl solution.



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