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Internal control in PCR for Mycobacterium tuberculosis: usefulness and improvem...

Cortez-Herrera,Elizabeth; Sperhacke,Rosa Dea; Becker,Daniela; Kritski,Afrânio; Zaha,Arnaldo; Rossetti,Maria Lucia Rosa

The aim of this work was to construct and test a plasmidial Internal Control (IC) to detect the inhibition in the PCR test for M. tuberculosis and also its contribution for a Public Health Laboratory routine. The IC was a 600-bp of DNA linked to a plasmid with the same primer sites, allowing the amplification with the 245-bp diagnostic fragment. The amplification of the positive samples rendered the IC and the ...

Date: 2008   |   Origin: Oasisbr

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