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Updated: Aug 17, 2026

Quantitative Autonomic Testing
Published on: July 19, 2011
Monitoring perspiration from palms of hypohidrosis patients with a stopped-flow conductometric mini-system
Bin-Wha Chang1, Shoou-Jeng Yeh, Ping-Ping Tsai
1Institute of Biomedical Engineering, National Cheng-kung University, Tainan, Taiwan, ROC.
Background:
Sensitive and real-time methods are required to characterize the symptoms and resolve the complicated pathology of hypohidrosis.
Method:
We constructed a conductometric humidity sensor and a stopped-flow manifold with suitable dynamic range for monitoring impaired perspiration. The mini-sensor was coated with a water-absorbing polymer of poly-(2-acrylamido-2-methylpropane sulfonate).
Results:
Perspiration from palms of normal individuals and hypohidrosis patients were monitored and compared. Tangent slopes of the sensorograms were capable of discriminating hypohidrosis patients from normal individuals.
Conclusion:
The conductometric min-sensor and the stopped-flow manifold were proven to be useful as a diagnostic tool for hypohidrosis.
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