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A high centrifugal force-enhanced Ziehl-Neelsen method for improved detection of Mycobacterium tuberculosis

2026-01-23 infectious diseases Title + abstract only
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Ziehl-Neelsen (ZN) smear microscopy remains central to tuberculosis (TB) diagnosis and treatment monitoring, yet its sensitivity is limited by incomplete recovery of Mycobacterium tuberculosis during pre-analytical processing. This study evaluated whether modifying centrifugation force and duration improves bacillary recovery and ZN smear performance. Laboratory experiments were conducted using M. tuberculosis H37Rv and pulmonary TB sputum samples. Following NALC-NaOH decontamination, samples we...

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