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Bioassays in whole animals.

J van Noordwijk

    Journal of Pharmaceutical and Biomedical Analysis
    |January 1, 1989
    PubMed
    Summary

    Whole animal bioassays, established in 1894, quantify biological products and serve as models for clinical trials. Optimizing environmental factors enhances assay precision and reduces animal usage.

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    Area of Science:

    • Pharmacology
    • Biotechnology
    • Clinical Medicine

    Background:

    • Whole animal bioassays were pioneered by Paul Ehrlich in 1894.
    • These assays established standards for quantifying biological activity.
    • They are crucial for developing and comparing medicinal products.

    Purpose of the Study:

    • To review the principles and applications of whole animal bioassays.
    • To discuss factors influencing bioassay precision and variability.
    • To highlight the importance of controlled environments in bioassays.

    Main Methods:

    • Historical review of bioassay development.
    • Analysis of factors affecting assay results, including environmental influences.
    • Discussion of analytical and comparative bioassay types.

    Main Results:

    • Bioassays enable quantification of biological products for clinical use.
    • Variability in results can arise from multiple active principles or differing concentrations.
    • Environmental factors, such as animal density, significantly impact assay precision.

    Conclusions:

    • Optimizing environmental factors in bioassays improves precision.
    • Enhanced precision reduces the number of animals needed for reliable results.
    • Whole animal bioassays remain fundamental in pharmaceutical research and quality control.

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