Review Article

Single-Stranded DNA Aptamers against Pathogens and Toxins: Identification and Biosensing Applications

Table 2

Summary table of ssDNA MREs targeting viruses and virus protein for biosensing applications.

TargetSELEX methodDetection methodLODReference

Human norovirusesAntibody-bead conjugatesHigh nanomolar rangeRT-qPCR10 RNA copies[94]

NorovirusNitrocellulose membraneLow picomolar rangeElectrochemical180 virus particles[93]

Norovirus II.4 capsid protein VP1Filter[95]

Influenza A H1N1Microfluidic SELEX55.14 ± 22.40 nMBead/fluorescent 6.4 10−3 HAU[34]

Avian influenza H5N1Nitrocellulose membrane4.65 nMDot blot1.28 HAU[97]

Influenza A hemagglutinin proteinTALON affinity resinLow nanomolar rangeSandwich ELAA[98]

SARS-CoV N proteinNi-NTA beads4.93 ± 0.3 nMWestern blot[10]

Bovine viral diarrhea virusGO-SELEX5 104 TCID50/mLSPR AuNP sandwich800 copies/mL[24]

HCV envelope surface glycoprotein E2Cell surface SELEX1.05 ± 1 nM[100]

Dengue virus type-2 envelope protein domain IIINi-NTA magnetic beads154 ± 40 nM[102]

HIV reverse transcriptaseCE-SELEX180 ± 70 pM[103]