Zentralbl Bakteriol Mikrobiol Hyg A Med Mikrobiol Infekt Parasitol
March 1982
Using photometry in measuring the growth of mycobacteria in liquid medium 7 H 9 Middlebrook slightly modified, we could achieve a 5 to 8 fold increase of extinction values within 8 days. The reproducibility of these results were investigated by tenfold assay of the laboratory mycobacterial strain H37Rv and about 10 strains recently isolated from patients. As antituberculous chemotherapeutic agents require different pH for their optimal activity, the experiments were performed at pH 5.
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