A vertical diffusion method for the microbiological assay of isoniazid |
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| Authors: | Janet Lloyd and D. A. Mitchison |
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| Affiliation: | Medical Research Council''s Unit for Research on Drug Sensitivity in Tuberculosis, Postgraduate Medical School of London |
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| Abstract: | A method is described for the assay of isoniazid in serum and other fluids by diffusion along slopes of Löwenstein-Jensen medium inoculated with tubercle bacilli. The method is convenient, rapid and robust, but is less accurate than diffusion systems for the assay of some other substances. |
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