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. 2021 Nov 1;25(11):917–922. doi: 10.5588/ijtld.21.0391

Figure 1.

Figure 1

QIAreach QFT digital detection cartridge (eStick). Exploded QIAreach QFT eStick. Casing (blue) contains lateral flow assay strip with optoelectronic technology and a microprocessor that converts a fluorescent signal into a qualitative readout for the detection of interferon-gamma in the plasma sample that has been stimulated by peptide antigens that are associated with M. tuberculosis.