Table 2 Comparison of LOD obtained for CC and HQ at ALR/GCE with other modified electrodes, method and pH of the supporting electrolyte used
Working electrode | Limit of detection (μM) | Linear range (μM) | pH of supporting electrolyte | Method | References | ||
|---|---|---|---|---|---|---|---|
CC | HQ | CC | HQ | ||||
Poly(niacinamide)/GCE | 0.31 | 0.24 | 10 to 120 | 10 to 160 | 7.4 | CV | Kumar et al. 2017 |
Eosin Y/GCE | 0.12 | 0.14 | 1.0 to 130 | 1.0 to 130 | 5.0 | DPV | He et al. 2014 |
c-MWCNTs/CTS/Au /GCE | 0.89 | 0.17 | 5 to 900 | 0.5 to 1500 | 7.0 | DPV | Shen et al. 2017 |
PDA-RGO/GCE | 0.74 | 0.62 | 1.0 to 230 | 1.0 to 250 | 6.5 | DPV | Zheng et al. 2013 |
Poly(phenylalanine) | 0.70 | 1.0 | 10.0 to 140.0 | 10.0 to 140.0 | 5.0 | DPV | Wang et al. 2006 |
BG/GCE | 0.20 | 0.30 | 1.0 to 75.0 | 5.0 to 100 | 5.6 | DPV | Zhang et al. 2015 |
Poly(3-thiophenemalonic acid) GCE | 3.91 | 7.81 | 3.91 to 500 | 7.81 to 500 | 6.8 | DPV | Xu et al. 2015 |
LRG/GCE | 0.80 | 0.50 | 3.0 to 300 | 1.0 to 300 | 6.5 | DPV | Lai et al. 2014 |
Eosin Y/CPE | 0.27 | 0.79 | 51 to 357 | 51 to 357 | 7.4 | CV | Ganesh & Swamy, 2016 |
Poly(methionine) MCPE | 45.8 | 55.66 | 20.66 to 209.92 | 20.66 to 192.30 | 7.4 | CV | Ganesh et al. 2017 |
Silsesquioxane/MCPE | 10.0 | 10.0 | 10.0 to 300.0 | 10.0 to 450.0 | 7.0 | DPV | Da-Silva et al. 2013 |
MWNT/GCE | 0.2 | 0.75 | 0.6 to 100.0 | 1.0 to 100.0 | 4.5 | DPV | Qi et al. 2005 |
(LDHf/GCE) | 1.2 | 9.0 | 3.0 to 1500.0 | 12.0 to 800.0 | 6.5 | DPV | Li et al. 2009 |
Poly-p-ABA/GCE | 0.5 | 0.4 | 2.0 to 900.0 | 1.2 to 600.0 | 7.0 | DPV | Yang et al. 2009 |
MWCNT-modified electrode | 0.6 | 0.6 | 2.0 to 100.0 | 2.0 to 100.0 | 5.5 | LSV | Ding et al. 2005 |
PASA/MWNTs/GCE | 1.0 | 1.0 | 6.0 to 180.0 | 6.0 to 100.0 | 6.0 | DPV | Zhao et al. 2009 |
Micellar effect/GCE | 0.5 | 0.5 | 0.5 to 900.0 | 0.5 to 1400.0 | 6.8 | DPV | Peng et al. 2006 |
Pen-modified electrode | 0.6 | 1.0 | 25.0 to 175.0 | 15.0 to 115.0 | 5.0 | DPV | Wang et al. 2007c |
Pt/ZrO2-RGO/GCE | 0.4 | 0.4 | 1.0 to 400.0 | 1.0 to 1000.0 | 7.0 | DPV | Vilian et al. 2014 |
TRGO/GCE | 0.8 | 0.75 | 1.0 to 500.0 | 1.0 to 500.0 | 6.0 | DPV | Li et al. 2012 |
PEDOT/GO modified electrode | 1.6 | 1.6 | 2.0 to 400.0 | 2.5 to 200.0 | 6.0 | DPV | Si et al. 2012 |
Graphene–chitosan/GCE | 0.75 | 0.75 | 1.0 to 400.0 | 1.0 to 300.0 | 7.0 | DPV | Yin et al. 2011 |
[Cu(Sal-β-Ala)(3,5-DMPz)2]/MWCNTs/GCE | 3.5 | 1.46 | 5.0 to 215.0 | 5.0 to 370.0 | 6.0 | DPV | Alshahrani et al. 2014 |
CNx/GCE | 2.71 | 1.20 | 0.2 to 1000.0 | 0.1 to 1000.0 | 4.7 | LSV | Dong et al. 2008 |
MWCNT–NF–PMG/GCE | 31.0 | 18.1 | 49.8 to 3650.8 | 49.8 to 3921.0 | 1.5 | CV | Umasankar et al. 2011 |
RGO–MWNTs | 1.8 | 2.6 | 5.5 to 540.0 | 8.0 to 391.0 | 7.0 | DPV | Hu et al. 2012 |
IL/CPE | ---- | 4.0 | ---- | 10.0 to 1500.0 | 7.0 | DPV | Zhang & Zheng, 2007 |
Poly(benzydamine)/CPE | 5.79 | 3.78 | 10.0 to 60.0 | 10.0 to 60.0 | 7.4 | CV | Sukanya et al. 2020 |
Poly(benzoguanamine)/CPE | 2.55 | 3.84 | 10.0 to 90.0 | 10.0 to 90.0 | 7.4 | CV | Chetankumar et al. 2019 |
Poly(glycine)/CPE | 0.16 | 0.20 | 20.0 to 180.0 | 20.0 to 180.0 | 7.4 | CV | Harisha et al. 2018 |
Poly(direct yellow 11)/MPG | 0.11 | 0.16 | 10.0 to 60.0 | 10.0 to 70.0 | 7.4 | CV | Chetankumar et al. 2020 |
Poly(oPD)/MCPE | 1.1 | 2.1 | 10.0 to 90.0 | 10.0 to 90.0 | 7.4 | CV | Chetankumar & Swamy, 2019 |
ALR/GCE | 0.126 | 0.132 | 0 to 80.0 | 0 to 110.0 | 7.4 | DPV | This work |