Table 3. Comparison of Different Methods for 8-Oxo-dG Analysis^a.

detection method	LOD	detection range	detection time
Rayleigh light scattering*39	27.3 pM	90.8 pM–14.1 nM	25 min
resonance light scattering43	11 pM	32 pM–12 nM	45 min
fluorescence*44	1.19 nM	3.96–211 nM	65 min
fluorescence45	4 pM	0.02–70 nM	9 h 25 min
chiroplasmonic*42	33 pM	0.05–2 nM	60 min
high-performance liquid chromatography-mass spectrometry (HPLC-MS)*46	0.35 aM	0.18 fM–0.706 pM	11 min
electrochemical*30	2.5 pM	10 pM–100 μM	2 h 40 min
electrochemical47	36.67 nM	0.05–536.5 μM
electrochemiluminescence48	25 fM	100 fM–10 nM
fluorometric and colorimetric*49	∼350 pM	0.5–500 nM	30 min
colorimetric*50	141 pM	466 pM–247 nM	1.50 h
colorimetric*51	1.7 nM	5.6–282 nM	25 min
present work (66-nt aptasensor with a portable device)	9.8 nM	15–100 nM	30 min

^aThe detection methods using the same aptamer as the present work (66-nt aptamer) are denoted with asterisks (*).