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Related Experiment Videos

Automatic computation of enzyme kinetics by HPLC.

P L Mauri1, M Bitonti, M Pace

  • 1Dipartimento di Scienze e Tecnologie Biomediche, University of Milano, Italy.

Computer Applications in the Biosciences : CABIOS
|October 1, 1990
PubMed
Summary

This study presents a novel HPLC method for enzyme activity measurement using product traces as internal standards. Automation and a computer program streamline kinetic assays, saving significant time.

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Area of Science:

  • Biochemistry
  • Analytical Chemistry

Background:

  • Enzyme activity assays are crucial for biochemical research.
  • Accurate and efficient measurement of enzyme kinetics is essential.
  • High-Performance Liquid Chromatography (HPLC) offers precise analytical capabilities.

Purpose of the Study:

  • To develop a simplified and automatable method for enzyme activity measurement using HPLC.
  • To introduce the use of product traces as internal standards for enhanced accuracy.
  • To present a computer program for automating kinetic assays and saving time.

Main Methods:

  • Enzyme activity was measured using High-Performance Liquid Chromatography (HPLC).
  • Traces of the reaction product were employed as internal standards.
  • An equation was developed using experimental data from kinetic assays.

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  • A computer program was created to automate the assay procedure.

    • Main Results:

    • The developed HPLC method allows for easy measurement of enzyme activity.
    • Using product traces as internal standards enhances assay reliability.
    • The automation procedure significantly reduces assay time.
    • The method was successfully demonstrated for NAD kinase activity determination.

    Conclusions:

    • The presented HPLC method provides an efficient and accurate approach for enzyme activity determination.
    • Automation of kinetic assays through a dedicated computer program offers substantial time savings.
    • This methodology is broadly applicable to various enzyme assays requiring kinetic analysis.