Facile and Sensitive Acetylene Black-Based Electrochemical Sensor for the Detection of Imatinib

Figure 5

(a) Effects of buffer pH on the peak current of IMA by the GCE/AB sensor. (b) Potential diagram of different pH values in the presence of 0.5 μM of IMA in PBS solution. (c) Corresponding plot of current vs. scanning rate (60–160 mV/s) in the presence of 0.5 μM of IMA in PBS solution. (d) Linear relationship between E(V) and the logarithm of the scanning rate.

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(b)

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(d)