Table 3.
A summary of some representative LFIAs by engineering the shape of noble metal nanoparticles.
| Methods | Signal | Analyte | Dynamic range | LOD | Ref. |
|---|---|---|---|---|---|
| Multibranched nanostructures | Colorimetry | Aflatoxin B1 | 0.5-25 pg mL-1 | 4.17 pg mL-1 (IC50) | 110 |
| Colorimetry | E. coli O157:H7 | No given | 103 CFU mL-1 | 35 | |
| Colorimetry | OTA | No given | 0.61 ng mL-1 (IC50) | 111 | |
| Colorimetry | Influenza A | No given | 67 ng mL-1 | 113 | |
| SERS | -nucleoprotein | 6.7 ng mL-1 | |||
| Colorimetry | HCG | 9-2304 mIU mL-1 | 9 mIU mL-1 | 112 | |
| Colorimetry | S-100β | 0.1-100 ng mL-1 | 5.0 pg mL-1 | 34 | |
| Hollow nanostructures | Colorimetry | Clenbuterol | No given | 2 ng mL-1 | 114 |
| Colorimetry | IgG | 0.5-50 ng mL-1 | 0.1 ng mL-1 | 115 | |
| Nanorods | LSPR shift | ErbB2 antigen | No given | No given | 118 |
| Colorimetry | E. coli O157:H7 | 102-106 CFU mL-1 | 100 CFU mL-1 | 36 | |
| Colorimetry | Campylobacter jejuni | 102-106 CFU mL-1 | 75 CFU mL-1 | 120 | |
| SERS | Campylobacter jejuni | 102-5×106 CFU mL-1 | 50 CFU mL-1 | 42 | |
| Fluorescence | Prostate-specific antigen | 3-10 ng mL-1 | 1.07 pg mL-1 | 180 | |
| Nanoprisms | Temperature | HCG | 35-7000 mIU mL-1 | 2.8 mIU mL-1 | 181 |
| Multiplexed LFIA | Colorimetry (orange, red and green) |
Dengue virus | No given | 150 ng mL-1 | 122 |
| Yellow fever virus | No given | ||||
| Ebola virus | No given | ||||
| Colorimetry (blue, yellow, and red) |
Ovalbumin | No given | 0.1 ng mL-1 | 182 | |
| Hazelnut allergen | No given | ||||
| Casein | No given | ||||
| Colorimetry (red, purple blue, and black) |
Fumonisin B1 | 4-80 ng mL-1 | 3.27 ng mL-1 | 123 | |
| Zearalenone | 0.8-40 ng mL-1 | 0.70 ng mL-1 | |||
| Ochratoxin A | 0.2-2 ng mL-1 | 0.10 ng mL-1 | |||
| Aflatoxin B1 | 0.1-1.25 ng mL-1 | 0.06 ng mL-1 |