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Journals and Conferences
OBJECTIVES To evaluate the DNA polymorphism among Mycobacterium tuberculosis (MTB) strains isolated from new smear positive tuberculosis (TB) patients residing in Tehran capital city of Iran, during the year 2001. METHODS IS6110-restriction fragment length polymorphism (RFLP) and spoligotyping analyses were performed on 129 M. tuberculosis strains.… (More)
The viability of Mycobacterium tuberculosis (MTB) in serial sputum specimens from persistently smear positive patients was evaluated. The assay was based on oxidation-reduction of Alamar Blue and Malachite Green dyes that change their color in response to MTB growth. A total of 280 sputum specimens from 40 persistently smear positive TB patients and 40… (More)
By oxidation-reduction assay, the viability of Mycobacterium tuberculosis in sputum specimens was evaluated. The technique is based on the Alamar Blue and Malachite Green dyes, which change their color in response to M. tuberculosis growth. The method is simple, permits visual reading of results, and is applicable for laboratories with limited resources.