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Related Experiment Videos

Computerized data analysis of amino acids in physiologic fluids.

J H Brown, S Walker, L Casto

    Journal of Chromatography
    |January 21, 1976
    PubMed
    Summary

    This study presents a Fortran IV computer program for analyzing amino acid concentrations in physiological fluids using an automatic amino acid analyzer. The program ensures accurate results through calibration, internal standards, and statistical evaluation, aiding in equipment diagnostics.

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    Area of Science:

    • Biochemistry
    • Computational Biology
    • Clinical Chemistry

    Background:

    • Accurate quantification of amino acids in physiological fluids is crucial for diagnosing metabolic disorders and monitoring patient health.
    • Traditional methods for amino acid analysis can be labor-intensive and prone to variability.
    • Automated amino acid analyzers offer increased throughput but require robust data processing and quality control.

    Purpose of the Study:

    • To develop and describe a Fortran IV computer program for the automated analysis of amino acid concentrations.
    • To implement statistical methods for quality control and identification of equipment malfunctions.
    • To provide a standardized reporting format for amino acid analysis results.

    Main Methods:

    • Utilized Fortran IV programming language for software development.

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  • Incorporated retention time and integrated peak areas from calibration standards for identification and computation.
  • Employed two internal standards to correct for variations in injector performance and ninhydrin decay.
  • Applied statistical treatment to calibration standard responses for equipment malfunction detection.
  • Integrated data from normal patients to expand the statistical database.

    • Main Results:

    • The program successfully identifies and computes amino acid concentrations from automated analyzer output.
    • Statistical evaluation of calibration standards aids in identifying potential equipment issues.
    • Internal standards effectively compensate for system variations, enhancing result reliability.
    • The system automatically updates its statistical database with patient data.
    • Final reports include amino acid concentrations with mean and standard deviation values.

    Conclusions:

    • The developed Fortran IV program provides a reliable and automated method for amino acid analysis in physiological fluids.
    • Statistical quality control measures enhance the accuracy and trustworthiness of the analytical results.
    • The program's automated reporting feature simplifies data dissemination and clinical interpretation.