A new mechanistic approach to elucidate furosemide electrooxidation on magnetic nanoparticles loaded on graphene oxide modified glassy carbon electrode

Development and characterization of an electrochemical sensor for furosemide detection based on electropolymerized molecularly imprinted polymer

“…After washing with water to remove any material that may have been adsorbed on the surface, the electrochemical measurements were carried out in the presence of 1×10 -3 mol L -1 K 4 [Fe(CN) 6 ] solution containing 0.1 mol L -1 KCl. Differential pulse voltammograms (DPVs) of the imprinted membranes were recorded in the potential range of 0.0-0.5 V vs. Ag/AgCl with a scan rate of 50 mV s -1 .…”

“…After the template removal process, the MIP electrode was incubated in 0. 6 ] solution that contained 0.1 mol L -1 KCl (Fig. 5D).…”

“…O-Phenylenediamine (OPD, ≥98%, Sigma-Aldrich, USA), potassium ferricyanide 6 ], 99%, E. Merck, Germany), potassium ferrocyanide (K 4 [Fe(CN) 6 ], 99%, E.…”

“…The value K D obtained with fitting was 3.3 × 10 −8 mol L -1 (R 2 = 0.994). 6 ] on the MIP electrode in the same concentration (3.0 × 10 −6 mol L -1 ) of each substance was determined using the DPV method. As shown in Fig.…”

“…Several techniques have been reported for detection of furosemide such as electrochemistry [1,3,[5][6][7], fluorescence [8], spectrophotometry-partial least squares method [9], micellar liquid chromatography [10], chemiluminescence flow-injection [11] and highperformance liquid chromatography [12][13][14][15].…”