Fig. 5From: Electrochemical investigations and theoretical studies of biocompatible niacin-modified carbon paste electrode interface for electrochemical sensing of folic acidA CVs of 10.0 µM FA at NC/CPE with varying scan rates (a–j; 0.020 Vs−1 to 0.260 Vs−1) in 0.2 M PBS (pH 7.4). B Graph of Ipa versus υ. C Graph of log Ipa versus log υ. D Graph of Epa versus log υBack to article page