TABLE 1.
Comparison of dual sensitivity enhancement lateral flow immunoassay with some of the previous works
| Detection approach | Abs in test zone (µg) | Abs in control zone (µg) | Reporting label | Signal amplification | Linear range (ng/mL) | Detection limit (ng/mL) | Assay time (min) | Reference |
|---|---|---|---|---|---|---|---|---|
| Fluorescent | NR | NR | Quantum dots | – | 1‐100 | 5 | 20 | 28 |
| Fluorescent | 0.6 | 0.3 | Quantum dot beads | Quantum dot beads | 1‐50 | 0.0378 | 15 | 29 |
| Fluorescent | 0.48 | 0.36 | quantum dot‐doped polystyrene nanoparticles | – | 2.8‐680 | 0.35 | 15 | 30 |
| Magnetic | 0.6 | 0.3 | Iron oxide nanoparticles | – | 1‐100 | 0.045 | 30 | 31 |
| Image analysis | NR | NR | Iron oxide nanoparticles containing Abs and biotin tagged oligonucleotides | Streptavidin‐biotin interaction | 0.25‐1000 | 0.25 | 15 | 27 |
| Naked‐eye detection | 0.012 | 0 | GNPs | Oriented immobilization of Abs and gold enhancement | 2‐50 | 0.35 | 15 | In this work |
NR, not reported.