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Computer interface and software analysis for multi-channel, on-line temperature recording to any micro-computer.

I Halvorson1, R Zimmerman, J Thornhill

  • 1Department of Physiology, University ofSaskatchewan, Saskatoon, Canada.

Computers in Biology and Medicine
|January 1, 1992
PubMed
Summary
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Researchers developed an affordable computer interface for multi-channel temperature recording from thermistor probes. This system enhances data accuracy and simplifies storage for in vitro and in vivo studies.

Area of Science:

  • Physiology
  • Biomedical Engineering
  • Instrumentation

Background:

  • Accurate temperature monitoring is crucial for physiological research.
  • Existing methods can be complex, expensive, or time-consuming.
  • A need exists for accessible, user-friendly temperature recording systems.

Purpose of the Study:

  • To design and validate a simple, inexpensive computer interface for multi-channel temperature recording.
  • To enable direct on-line data acquisition from thermistor probes for researchers with limited electronics experience.
  • To improve the efficiency and accuracy of temperature data collection in both in vitro and in vivo settings.

Main Methods:

  • Development of a computer interface connecting thermistor probes to a micro-computer.

Related Experiment Videos

  • In vitro validation using a temperature-controlled water bath (25-45°C).
  • In vivo testing in anesthetized rats, measuring interscapular brown adipose (IBAT), colonic, and tail temperatures simultaneously.

    • Main Results:

    • In vitro testing demonstrated high accuracy with an intraclass correlation of 0.999 compared to reference temperatures.
    • In vivo measurements showed excellent stability, sensitivity, and accuracy for IBAT, core, and surface temperatures.
    • The interface provided data compatible with graphic and statistical software for analysis and storage.

    Conclusions:

    • The designed computer interface offers a simple, cost-effective solution for accurate multi-channel temperature recording.
    • It significantly enhances data collection efficiency and reliability for diverse research applications.
    • The system is suitable for researchers seeking to integrate precise temperature monitoring into their experimental designs.