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Micro and Nano Systems Letters
Fig. 2 | Micro and Nano Systems Letters

Fig. 2

From: Development of an amperometric sensor for epinephrine determination using an Azure A/silver nanocluster modified electrode

Fig. 2

A Cyclic voltammograms recorded for the (a) unmodified electrode and (b) Azure A/silver nanoclusters modified electrode in 0.1 M PBS using a scan rate of 50 mV s−1 with a reference electrode of SCE. B Electrochemical response of the AzA/silver nanoclusters modified electrode at various sweep rates (10–100 mV s−1). Inset: Correlation between peak current and sweep rate. C Influence of pH on the cathodic peak current of AzA/silver nanoclusters modified electrode. D Plot of formal potential of AzA/silver nanoclusters modified electrode vs pH

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