Fig. 4From: Multiwalled carbon nanotubes decorated with bismuth (III) oxide for electrochemical detection of an antipyretic and analgesic drug paracetamol in biological samplesCVs of GCE (curve a) in PBS (0.1 M, pH 4.0), GCE (curve b), B2O3/GCE (curve c), MWCNT/GCE (curve d), and Bi2O3/ MWCNT/GCE (curve e), in 0.1 mM paracetamol (0.1 M PBS, pH 4.0). Scan rate: 100 mV s−1Back to article page