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Table 2 Comparison of different chemically modified electrodes for the determination of paracetamol with the present fabricated sensor

From: Multiwalled carbon nanotubes decorated with bismuth (III) oxide for electrochemical detection of an antipyretic and analgesic drug paracetamol in biological samples

Modified electrode Detection technique pH of PBS Linear range Detection limit (μM) Reference
PANI–MWCNT SWV 5.5 1–100 M 2.5 × 10−7 M Li and Jing 2007
Graphene CV 4.2 5 × 10−8 to 1 × 10−6 M 4.9 × 10−8 M Zidan et al. 2014
Single-walled carbon nanotube/nickel CV 8 0.05–0.50 mM 1.17 × 10−7 M Ngai et al. 2015
Cuprous oxide nanoparticles-graphene SWV 7.0 0.02–1.3 μM 0.0067 μM Yang et al. 2015
MWCNT–CTAB DPV 7.4 0.4–4.0 μM 0.00482 μM Gowda et al. 2015
Chitosan SWV 7.0 1.0 × 10−3 to 4.0 × 10−4 M 5.08 × 10−7 mol L−1 Bouabi et al. 2016
AuNPs-DNS/MWCNT DPV 7.0 0.8–400 μM 0.05 μM Liu et al. 2014
Bismuth oxide nanoparticles CV 4.5 5.0 × 10−7 to 1.5 × 10−3 M 2.0 × 10−7 M Zidan et al. 2011a, 2011b
C–Ni/GCE DPP 3.0 2–230 6.0 × 10−7 μM Wang et al. 2007
Bi2O3/MWCNT SWV 4.0 0.05–28 μM 0.0052 μM Present work