Food Quality Monitoring Based on Hydrolysis-Induced Au-Catalyzed Heck Cross-Coupling by Ag Metallization

<div>UV-Vis spectra of (a) Au NPs, (b) aqueous mixture of Au NPs-histamine, (c) aqueous mixture of Au NPs/AgNO<sub>3</sub>/histamine/4-I-benzene-bounded Wang resin, and (d) isolated Au@Ag NPs.</div>

Journal of Sensors

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Figure 7

Figure 7: Food Quality Monitoring Based on Hydrolysis-Induced Au-Catalyzed Heck Cross-Coupling by Ag Metallization 