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. 2021 Mar 25;21(7):2290. doi: 10.3390/s21072290

Figure 3.

Figure 3

Scheme of online synthesis and CL characterization system. The synthesis was controlled automatically by Matlab. Reagents were supplied to the microreactor via three glass syringes connected to a 6-port valve. Synthesized AuNPs were mixed with property-changing reagents, luminol and NaOCl in a microchip to generate a CL signal which was recorded by CCD camera.