One-Pot Synthesized Nickel-Cobalt Sulfide-Decorated Graphene Quantum Dot Composite for Simultaneous Electrochemical Determination of Antiretroviral Drugs: Lamivudine and Tenofovir Disoproxil Fumarate

Figure 7

CVs of Ni-CoS/GQDs/GCE in 0.1 M PBS (pH 8.0) with 1 mM LAM and TDF solution at a different scan rate; (A–G) correspond to 30, 50, 60, 70, 100, 120, and 160 mV s^-1. (a) enlarged region of LAM oxidation at different scan rates; (b) (μA) vs. (mV s^-1). (c) log (μA) vs. log (mV s^-1).

(a)

(b)