This photomicrograph reveals Mycobacterium tuberculosis bacteria using acid-fast Ziehl-Neelsen stain; Magnified 1000 X. The acid-fast stains depend on the ability of mycobacteria to retain dye when treated with mineral acid or an …more A microchip-based test developed by A*STAR researchers can diagnose tuberculosis in 15 minutes. The test meets the speed, cost, accessibility and disposal...