Fig. 1. TEM image of quantum dot fluorescent microspheres

Fig. 2. Emission spectrum of quantum dot fluorescent microspheres

Fig. 3. Dispersion and stability test

Fig. 4. Cross-reaction verification

Fig. 5. Microfluidic microarray red filter structure

Fig. 6. Filtering effect of the microfluidic structure

Fig. 7. Filtering effect verification

Fig. 8. Microfluidic chip-immunochromatographic strip structure diagram

Fig. 9. Photograph of microfluidic chip-immunochromatographic strip

Fig. 10. Fluorescence signal diagram of control experiment

Fig. 11. Fluorescence signal comparison

Fig. 12. Fluorescence signal and concentration relationship