Table 2.
Application of bimetallic NPs with real samples.
| NPs | Modification | Analyte | Detection | Performance | Sample | Year | Ref. | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Tech. | Parameters | Tech. | Parameters | Linear range | LOD | |||||
| Cu-Ti | DC | 4 μL dried at RT | Glucose | CA | +0.5 V, 60 s | 25 μM to 2 mM | 7 μM | Honey Plasma |
2017 | [29] |
| Pt-Ag | PE-GD |
Step 1: CA, −0.3 V, 900 s Step 2: 0.2 mM H2PtCl6 at pH 3.4 with 0.2 mM AA for 2.5 hours |
H2O2 | AD | +0.7 V | 2.2 to 67 µM | 0.34 µM | Antiseptic and Laundry boosters |
2019 | [30] |
| Pt-Pd | PE |
Step 1: CP, 0.4 V, 20 s Step 2: 50 cycles of: CP, 0.5 V, 0.2 s CP, 0.4 V, 10 s |
H2O2 Glucose |
AD | −0.4 V | 0.005 to 6 mM Up to 16 mM |
0.87 μM 10 μM |
Simulative blood |
2012 | [54] |
| Au-Ag | PE | CV, 5 cycles, +0.4 to −0.6 V 0.05 Vs−1 |
Sulfide | LSCSV (CA+LSV) |
A, +0.2 V, 30 s LSV, +0.2 to −0.9 V 0.05 Vs−1 |
0.5 to 12.5 μM | 0,2 μM | Water | 2016 | [59] |
| Cu-Pd | PE |
Step 1, Cu: CA, −0.7 V, 300 s Step 2, Pd: CA, −0.6 V, 180 s |
Hydrazine | AD, FIA | +0.2 V 0.5 mL min−1 |
2 to 100 µM | 270 nM | Cigarette tobacco |
2005 | [61] |
AD: Amperometric detection; CA: Chronoamperometry; CP: Chronopotentiommetry; CV: Cyclic Voltammetry; DC: Drop-Casting; FIA: Flow Injection Analysis; GD: Galvanic Displacemenet; GE: Galvanostatic electrodeposition; LCSV: Linear-Scan Cathodic Stripping Voltammetry; LSV: Linear Sweep Voltammetry; PE: Potentiostatic electrodeposition; RT: Room Temperature; Tech.: electrochemical technique.