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MICOBATTERI - Sezione di Microbiologia

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NaOH-<br />

NALC<br />

Vortex and<br />

stand for 15<br />

minutes<br />

PBS<br />

Fill tube<br />

to 14ml<br />

Centrifuge<br />

15 min 3000g<br />

7H9<br />

PANTA<br />

OADC<br />

sample 1 sample 2 Negative QC sample 3 sample 4 sample 5 or<br />

Positive QC<br />

Sputum decontamination<br />

900µl / well<br />

C<br />

C C<br />

C C<br />

1 3 4<br />

C<br />

MODS<br />

1 2 NEG 3 4 5 / POS<br />

control<br />

control<br />

C<br />

C<br />

C<br />

C<br />

C<br />

C<br />

Culture and<br />

<strong>di</strong>rect<br />

susceptibility<br />

testing<br />

Drug-free<br />

Isoniazid<br />

Rifampici<br />

I<br />

R<br />

I<br />

R<br />

I<br />

R<br />

I<br />

R<br />

I<br />

R<br />

I<br />

R<br />

2 wells for drug-free control (C), 1 for isoniazid 0.4 µg/ml (I), 1 for rifampicin 1 µg/ml (R)<br />

Istituto <strong>di</strong> <strong>Microbiologia</strong> - Genova<br />

61<br />

62<br />

Moore DAJ et al. Microscopic-observation drug-susceptibility assay for the <strong>di</strong>agnosis of TB. New Eng J Med 355: 1539–1551, 2006<br />

63<br />

64<br />

16

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