Table 1. Example of recent published works on small molecule detection exploiting POC-compliant detection methods.

Target	Analytical method†	LOD	Linear range	References
Acetaminophen	Amperometry and DPV	2.1 nM	5 nM to 800 μM	36
Adenosine	EIS	20 fM	0.05 pM to 17 pM	37
Bisphenol A	FET	56 pM	1 to 104 fM	38
Chloramphenicol	SWV	5 nM	40 to 1000 nM	39
Cocaine	DPV	0.13 nM	0.1 to 10 nM	40
17β-estradiol	FET	50 nM	50 nM to 1.6 μM	28
Etoposide	DPV	5.4 nM	20 nM to 2 μM	41
Etoposide	SWV	1.29 μM	10 to 60 μM	42
Glucose	SWV	4 mM	4 to 20 mM	43
Glucose	FET	2 mM	2 to 8 mM	44
Kanamycin	SWV	14 pM	10 nM to 2 μM	45
Naproxen	CV	16 μM	Up to 300 μM	12
Oxytetracycline	SWV	0.22 nM	1.1 pM to 110 nM	46
Rifampicin	Amperometry	50 nM	2 to 14 μM	47
Streptomycin	SWV	10 nM	50 to 1000 nM	39
Tenofovir	FET	1.2 nM	1 nM to 100 nM	This work
Tenofovir	SWCAdSV	1.3 μM	1.7 to 17.4 μM	48
Theophylline	CV	50 nM	Up to 120 μM	49

^†CV = Cyclic Voltammetry; SWV = square wave voltammetry; FET = field effect transistor; EIS = electrochemical impedance spectroscopy; DPV = differential pulse voltammetry; EMAT = electromagnetic acoustic transducer; LSV = linear sweep voltammetry; SWCAdSV = square-wave cathodic adsorptive stripping voltammetry.