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Table 3 Graphene-based DNA biosensors with fluorescent detection

From: Recent advances in graphene-based biosensor technology with applications in life sciences

Detected element Sensing material Detection range Refs.
ssDNA GO Detection limit 200 nM [95]
ssDNA GO and exonuclease III Detection limit 20 pM [96]
ssDNA GO 200 nM [97]
DNA and exonuclease activity GO ethidium bromide (EB) 50 to 2500 nM
Detection limit 32 nM
[98]
Staphylococcus aureus DNA GO–DNA sensor 0.0125 to 3.125 nM
Detection limit at 0.00625 nM
[99]
Hepatitis B virus (HBV) sequences GO/pencil graphite electrode (GO/PGE) 20 to 160 µg/mL
Detection limit 2.02 µM
[83]
ssDNA Exonuclease III (ExoIII) and GO Detection limit 0.5 pM [100]
HIV-1 gene AuNPs/GO nanocomposite 50.0 fM to 1.0 nM
Detection limit at 15 fM
[101]
ssDNA GO 0 to 25 nM
Detection limit at 100 pM
[93]
T antigen gene of SV40 DNA GO 40.0 to 260 nM
Detection limit at 14.3 nM
[93]