Table 2: Merits of recently published comparable methods for determination of AA.

Electrode Method (μM) Linear Range (μM) LOD (μM) Potential Year Ref.
Bismuth sulfide nanorod modified glassy carbon electrode Amperometry 1-1000 0.83 0.13 2012 [44]
N-silicon electrode modified by platinum and cobalt hexacyanoferrate films Photo current Amperometry 1-1000 1.00 - 2012 [45]
Gold decorated SiO2 @ polyaniline core-shell microspheres Amperometry 150-8000 3.775 0.38 2013 [46]
Nanoflower-like dendritic Au and polyaniline composite nanosheets Amperometry 10-12000 8.2 -0.2 2013 [47]
Flexible poly(dimethylsioxane) (PDMS)-based gold electrode Amperometry 0.66-2600 0.2 0.32 2012 [48]
Sodium dodecyl sulfate modified carbon nanotubes paste electrode Cyclic voltammetry 1-28 0.33 0.05 2014 [49]
PbS nanoparticle-decorated Schiff-base-modified carbon-paste electrode Differential pulse voltammetry 2.5-1005 0.018 0.4 2015 [50]
Cobalt(II) phthalocyanine-MWCNS glassy carbon electrode Amperometry 10-2600 1.0 0.19 2012 [51]
Branched polyethylenimine cross-linked with ethylene glycol diglycidyl ether Cyclic voltammetry 1-5000 1.0 0.24 2013 [52]
Methionine modified carbon paste electrode Differential pulse voltammetry 5-120 3.5 0.38 2012 [53]
Polyaniline/polyacrylic acid/multi-walled carbon nanotube modified electrodes Differential pulse voltammetry 1-1000 0.25 0.3 2012 [54]
Immobilization of Ascorbate Oxidase into the Biocompatible Sandwich-Type Composite Film Amperometry 0.4-1000 0.087 0.05 2012 [55]
Over-oxidized polypyrrole and palladium nanoparticles composites Amperometry 1-520, 120-1600 1.0 0.0 2012 [56]
Platinum Nanoparticles Modified Au electrode Amperometry 0.6-3.267 0.0019 0.2 2013 [57]
Ionic liquid-carbon nanotube composite electrode Differential pulse voltammetry 3.0-4200 1.0 0.005 2012 [58]
Cobalt species in nanodimensional pores of mordenite zeolite as modified carbon paste electrode Cyclic voltammetry 45-500 2.3 0.34 2012 [59]
Glassy carbon electrodes modified with MWCNT Square-wave voltammetry 4.7-5000 1.4 0.315 2012 [60]
Cobalt(II) tetra-neopentyloxyphthalocyanine-multi-walled Carbon nanotubes glassy carbon electrode Amperometry 10-1600 5.0 0.215 2012 [61]
Nickel, Copper and Manganese Hexacyanoferrate with Poly(3,4-ethylenedioxythiophene) Hybrid Film 5-300, 1800-18000 1.0 0.2 2012 [62]
Glassy carbon electrode modified with a polyaniline doped with silicotungstic acid and carbon nanotubes Amperometry 1-10, 10-9000 0.51 0.4 2013 [63]
A lithium-doped tantalum oxide film coated electrode Cyclic voltammetry 5000-12000 - 0.42 2013 [64]
Carbon-supported NiCoO2 nanoparticles Amperometry 10-2630 0.5 -0.2 2014 [65]
Molecularly imprinted poly(o-phenylenediamine-co-o-aminophenol) Differential pulse voltammetry 100-10000 36.4 0.366 2014 [66]
Nickel hexacyanoferrate/layered double hydroxide hybrid film/gold electrode Chronoamperometry 100-3500 21 0.32 2014 [67]
Self-powered biosensor with a Prussian blue electrochromic display Cyclic voltammetry 10-350 4.0 0.3 2014 [68]
Titanium dioxide nanoparticle/gold nanoparticle/ MWCNT nanocomposites Differential pulse voltammetry 0.01 to 0.08 0.01 - 2013 [69]
Glassy carbon electrode modified with the nickel(II)-bis(1,10-phenanthroline) complex and MWCNT Amperometry 10-630 4 0.31 2013 [70]
Poly(Nile blue A) and functionalised multi-walled carbon nanotube modified electrode Amperometry 10-120 1.6 0.1 2013 [71]
Poly(bromocresol purple) film modified glassy carbon electrode Differential pulse voltammetry 20-700 6.5 -0.01 2013 [72]
Nanobar manganese(III)-porphyrin platform Amperometry 0.02-0.8 0.0084 0.4 - This work