Detection of Immunoglobulin E with a Graphene-Based Field-Effect Transistor Aptasensor

Table 4

, , and minimum conduction current at different concentrations of IgE with no aptamer attached on the monolayer graphene.

Volume of 1 μM IgE in PBS	(nA)	(V)	Minimum conduction current (nA)
0 μL	3.2489	0.075	3.2286
5 μL	3.2497	0.075	3.2324
10 μL	3.2384	0.075	3.2211
15 μL	3.2391	0.070	3.2227
20 μL	3.2392	0.070	3.2244
25 μL	3.2416	0.075	3.2254