Fig. 2From: Ultra-stable Electrochemical Sensor for Detection of Caffeic Acid Based on Platinum and Nickel Jagged-Like NanowiresThe CVs of 0 μg, 0.24 μg, 0.48 μg, and 0.72 μg PtNi/C and 0.48 μg Pt/C-modified GCE in 0.5 mM K3[Fe (CN)6]/ K4[Fe (CN)6] containing 0.1 M KCl (a) and in 0.1 M BR buffer solution (pH = 2.0) containing 0.5 mM CA (b) at a scan rate of 100 mV s−1Back to article page