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Updated: Aug 18, 2026

Thermal Measurement Techniques in Analytical Microfluidic Devices
Published on: June 3, 2015
A new microcatheter enables microcalorimetric assessment of thermogenesis after stimulation in cell cultures
1Institute for Biological Chemistry and Nutrition, University of Hohenheim, Stuttgart, Germany.
Abstract:
A new, inexpensive technique facilitates the observation of long-lasting effects (> 2 h) of thermogenic agents on cell cultures. A special microcatheter enables addition of hormones or pharmacologic agents to biological samples during microcalorimetric analysis using a ThermoMetric ThermalActivityMonitor without removing the sample ampoules from the measuring position. Technical modification of the calorimeter is not required. Baseline stability with the connected catheter is +/- 0.2 microW over 10 h. The error of the method of catecholamine induced thermogenesis in white adipocytes is 13.4% (C.V.).
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