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Evaluation of the performance of microprocessor-based colorimeter.

S S Randhawa¹, R C Gupta, A K Bhandari

¹Central Scientific Instruments Organisation Chandigarh 160020 India.

The Journal of Automatic Chemistry

|January 1, 1992

Summary

This summary is machine-generated.

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Researchers developed an affordable, portable colorimeter for quantitative analysis. This microprocessor-based device accurately measured blood components, showing good correlation with standard laboratory methods.

Area of Science:

Biomedical Engineering
Clinical Chemistry

Background:

Colorimetric estimations are vital for quantitative analysis in various scientific fields.
Existing laboratory instruments can be expensive and lack portability.

Purpose of the Study:

To describe an inexpensive and portable microprocessor-based colorimeter.
To evaluate the instrument's performance in analyzing clinical blood samples.

Main Methods:

Development of a colorimeter utilizing a light-emitting diode, pinphotodiode, and an 8085A microprocessor.
Analysis of blood urea, glucose, total protein, albumin, and bilirubin from patient samples.
Comparison of results with those obtained using a Spectronic 21 spectrophotometer.

Main Results:

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The developed colorimeter successfully analyzed key blood analytes.
Results from the new colorimeter showed a good correlation with a standard Spectronic 21 instrument.

Conclusions:

The microprocessor-based colorimeter is a viable, cost-effective tool for quantitative clinical analysis.
The instrument demonstrates accuracy and reliability comparable to established laboratory methods.