Table 4.

Paper-based enzymatic nanobiosensors.

Enzyme	Nanostructure	Analyte	Method	Detection limit	Ref.
GOx	Tungsten disulfide nanosheets	Blood glucose	Colorimetric method	2.9 µM	[164]
GOx	MFe2O4 (M = Mg, Ni, Cu)	Glucose in the urine	Colorimetric biosensing	4.5 × 10-7 M	[165]
Glucose dehydrogenase	AuNPs	Dihydronicotinamide adenine dinucleotide	Colorimetric readout	12.5 µM	[166]
HRP	AuNPs	Nucleic acid	Lateral flow strip	0.3 pM	[167]
Cholesterol oxidase	AgNPs	Cholesterol	Amperometric detection	0.25 mg/dL	[138]
Acetyl thiocholine esterase	AuNPs	acetylthiocholine	Colorimetric method	0.5 µM	[168]
Acetylcholinesterase	CNTs	nerve agents	Lateral flow strip	0.02 nM	[169]