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. 2022 Mar 17;12(6):987. doi: 10.3390/nano12060987

Table 1.

Comparison of the analytical performance of different label-free approaches for gluten detection.

Method Recognition Element LOD/mg L−1 (Gluten) Linear Range/mg L−1 (Gluten) Ref.
Label-free (impedance) aptamer 5 - [35]
Label-free (impedance) antibody 5 5–20 [36]
Label-free (impedance) antibody 14 0–20 [40]
Label-free (impedance) aptamer 0.1 0.4–2 This work