Fig. 6

The linear relationship between the response of the sensor and the concentration of hydrogen peroxide and its relative colors (AuNSs = 100 μL, MES buffer = 5.0 mM, pH 6.5, Ag = 300 µM, AA = 200 µM, Time = 10 min).
The linear relationship between the response of the sensor and the concentration of hydrogen peroxide and its relative colors (AuNSs = 100 μL, MES buffer = 5.0 mM, pH 6.5, Ag = 300 µM, AA = 200 µM, Time = 10 min).