Table 2.

Existing Dexamethasone Determination Method Comparison Chart.

Method	Linear Range	LOD	Applications	Recovery	Ref.
Electrochemical aptasensor	2.5–100 nM	2.12 nM	tab water and drinking water	81.5–103.2%	[19]
Immunochromatography	–	Milk: 0.3 ng/mL pork: 0.7 μg/kg	milk and pork	80.0–122.8%	[24]
Electrochemical aptasensor	10–500 μg/mL	3.59 μg/mL	herbal medicine samples	-	[25]
HPLC	–	water = 6 ng/mL Feed = 190 ng/g	water and feed for meat-producing animals	99.4 ± 1.3%	[26]
Electrochemical sensor	0.05 to 30 mM	3.0 nM	human urine and serum samples	97.0–102.0%	[27]
HPLC	–	10 ng/mL	human plasma	96.96–106.07%	[28]
Hanging mercury drop electrode	25.5–122.3 µM	7.6 µM	drug sample	99.8–100%	[29]
Square-wave adsorptive voltammetry	0.0498–0.61 µM	2.54 nM	eye drops, injectable, elixir	94.14–112.41%	[30]
Colorimetric biosensor	0.1–9 ng/mL	2.0 μg/kg	food supplements and cosmetic samples	–	[31]
Colorimetric biosensor	10–350 nmol/mL	0.5 nmol/mL	milk and glucosamine	93.6–117%	this assay