Table 2.

Examples of aptamer-based biosensors in experimental diagnostics. (n/d, no data)

Virus	Aptamer Name	Type	Target	Binding Affinity (Kd)	Detection Technique	Limit of Detection	Sample Type	Refs.
Influenza H5N1	n/d	DNA	hemagglutinin	4.65 nM	Spreeta SPR sensing chip	0.128 HAU	poultry swab samples	[19]
HCV	ZE2	DNA	glycoprotein E2	1.05 nM	sandwich ELISA	n/d	HCV infected patients’ sera	[26]
	9-14 9-15	RNA	core antigen	142 nM 224 nM	sol-gel chip-based fluorescence assay			[43]