Table 3. Summary of Characteristics and Comparison of LIG-Based Sensors Functionalized with Metal Nanoparticles.
starting material | doping material | laser | analyte | transduction method | detection limit | dynamic range | sensitivity | ref |
---|---|---|---|---|---|---|---|---|
PI | Au and Pt NPs | 10.6 μm | dopamine | cyclic voltammetry | 75.0 nM | 0.95–30 μM | 865.8 μA mM–1 cm–2 | (83) |
PI | Pt NPs | 10.6 μm | dopamine, ascorbic acid, and uric acid | cyclic voltammetry | 6.10 μMa | – | 250.7 μA mM–1 cm–2 (a) | (84) |
0.07 μMb | – | 6995 μA mM–1 cm–2 (b) | ||||||
0.22 μMc | – | 8289 μA mM–1 cm–2 (c) | ||||||
PI | Pt NPs | 10.6 μm | H2O2 | cyclic voltammetry | 0.2 μM | 0.5 μM to 5.0 mM | 248.4 μA mM–1 cm–2 | (85) |
PI | Pt NPs | 10.6 μm | methane | cyclic voltammetry | 9 ppm | 1–50 ppm | 0.55 μA ppm–1 cm–2 | (86) |
PI | Pd NPs | 10.6 μm | gaseous H2 | chemoresistive measurements | – | – | – | (64) |
For ascorbic acid
For dopamine.
For uric acid.