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Fig. 1 | Journal of Nanobiotechnology

Fig. 1

From: Quantitative assessment of disease markers using the naked eye: point-of-care testing with gas generation-based biosensor immunochromatographic strips

Fig. 1

G-ICSs structure and working principle for CRP detection. Amount of mAb1-Au@PtNPs bound to the T-line increased with increasing CRP concentration. After the test, the T-lines of ICSs were separated from the G-ICSs and placed in a reaction tube containing H2O2. O2 generated by the mAb1-Au@PtNPs forced the blue ink forward in the polytetrafluoroethylene (PTFE) capillary. The displacement distance of the blue ink was correlated with CRP concentration. Ultimately, the user was able to directly determine CRP concentration by assessing the position of the blue ink

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