Lateral Flow Immunoassay for Naked Eye Detection of Mycobacterium tuberculosis

Figure 1

Schematic illustration of the detection principle based on lateral flow test strip biosensor with colloidal gold as label. (a) Positive result indicating M. tuberculosis detected by observation of two coloured lines (TB-infected patient). (b) Negative result indicating no presence of M. tuberculosis in sample (healthy person). Only one coloured line appeared.

(a)

(b)