. 2021 Jun 30;14:11786469211023468. doi: 10.1177/11786469211023468

Table 1.

Comparison of electrochemical sensors for Kyn determination available in literature.

Electrode	Technique	Linear range [µM]	LOD [nM]	Application	Ref.
mAb–MWCNT–AuSPE	CC–PSA	0.001-1.0	0.5	Culturing medium from cancer cells	Karami et al.⁴⁴
mAb–MWCNT–AuSPE	CC–PSA	1.0-100.0	0.5	Culturing medium from cancer cells	Karami et al.⁴⁴
BiF/BDDE	DPV	0.1-20.0	30.0	Culturing medium from cancer cells	Sadok et al.¹⁸
Nafion/GCE	DPAdSV	0.02-10.0 (60 s)	5.1	Cellular lysate, culturing medium from cancer cells	This work
Nafion/GCE	DPAdSV	0.002-2.0 (600 s)	0.59	Cellular lysate, culturing medium from cancer cells	This work

Abbreviations: DPAdSV, differential pulse adsorptive stripping voltammetry; BiF/BDDE, boron-doped diamond electrode modified with bismuth nanoparticles; CC-PSA, constant current-potentiometric striping analysis; DPV, differential pulse voltammetry; mAb–MWCNT–AuSPE, gold screen-printed electrode modified with carboxylated multiwall carbon nanotubes and monoclonal antibody; Nafion/GCE, Nafion film modified glassy carbon electrode.