Figure 3From: Development of a proof of concept immunochromatographic lateral flow assay for point of care diagnosis of Mycobacterium tuberculosisAntigen screening using multi-antigen print immunoassay. Staining of antigen printed onto nitrocellulose by sera from 5 negative controls (Danish participants, no known TB exposure of TB risk factors) and 19 patients with confirmed TB, recruited from Danish hospitals. The nitrocellulose strips were incubated with sera diluted 1/50 in 1% non-fat skim milk in PBS-T.Back to article page