Table 3.
Performance of the latest biosensors for SARS-CoV-2 detection reported in literature.
| Biosensor Type | Target Analyte | Sample | LoD (Copies/mL) |
Detection Time | Number of Samples Per Test | Operation | Ref. |
|---|---|---|---|---|---|---|---|
| Electrochemical | ORF1ab | Throat/oral swabs, sputum, urine, plasma, feces | 200 | ~3 h | Single | By hand | [3] |
| Electrochemical | N gene | Nasopharyngeal/ oropharyngeal swabs |
2.58 × 105 | 15 min | Single | By hand | [4] |
| Electrochemical | N and S genes | Nasopharyngeal swab | 1000 | <2 h | Single | By hand | [5] |
| Graphene-based FET | S protein | Nasopharyngeal swab | 242 | ~120 s | Single | By hand | [7] |
| LSPR-microcavity | Pseudovirus | Artificial saliva | 319 | <30 min | Up to 100 samples | Automated | This work |
FET: field-effect transistor; ORF1ab: open reading frame 1ab; LoD: limit of detection; Ref.: Reference.