Table 2.
Comparison between the visual/smart phone analysis lateral flow immunochromatographic assay strips (LFIAs) and the high-performance liquid chromatography (HPLC) method.
| Sample | LFIAs | HPLC (ng/g) | |
|---|---|---|---|
| Strip Visual (+,−) | Smartphone (ng/g) | ||
| Peanut | −,−,− | 5.38 ± 0.05 | 5.70 ± 0.55 |
| −,−,− | 4.38 ± 0.15 | 4.07 ± 0.83 | |
| −,−,− | 5.17 ± 0.12 | 5.05 ± 1.19 | |
| +,+,+ | Over10 | 42.53 ± 7.76 | |
| −,−,− | 5.18 ± 0.04 | 5.28 ± 1.36 | |
| Bread | −,−,− | 2.03 ± 0.44 | 2.02 ± 0.56 |
| −,−,− | 5.18 ± 0.04 | 5.21 ± 0.23 | |
| +,+,+ | Over10 | 27.67 ± 6.43 | |
| −,−,− | 4.01 ± 0.30 | 4.05 ± 0.61 | |
| −,−,− | 5.59 ± 0.06 | 5.71 ± 0.55 | |
| Corn | +,+,+ | Over10 | 19.16 ± 4.25 |
| −,−,− | 0.37 ± 0.01 | 0.31 ± 0.15 | |
| −,−,− | 2.27 ± 0.97 | 2.50 ± 0.54 | |
| −,−,− | 4.79 ± 0.29 | 5.03 ± 0.66 | |
| −,−,− | 5.38 ± 0.53 | 5.32 ± 0.99 | |
| Rice | −,−,− | 2.94 ± 0.81 | 3.00 ± 1.15 |
| −,−,− | 0.42 ± 0.09 | 0.36 ± 0.20 | |
| −,−,− | 0.45 ± 0.16 | 0.49 ± 0.22 | |
| −,−,− | 4.46 ± 0.08 | 4.86 ± 0.95 | |
| +,+,+ | Over10 | 15.49 ± 5.12 | |
(+): positive, (−): negative.