Table 2.
Some important CRISPR based biosensors for SARS-CoV-2 detection.
| SN | Name | Target Sequence | Cas | LOD | |
|---|---|---|---|---|---|
| 1 | SHERLOCK | SARS-CoV-2 S & ORF1ab gene | Cas13a | 10-100 copies/μl | [56] |
| 2 | DETECTR | SARS-CoV-2 N & E gene | Cas12a | 10 copies/μl | [54] |
| 3 | CREST | SARS-CoV-2 N gene (N1,N2, N3 segment) | Cas13a | 10 copies/μl | [57] |
| 4 | CASdetec | SARS-CoV-2 RNA dependent RNA polymerase | Cas12b | 1 × 104 copies/mL | [58] |
| 5 | iSCAN | SARS-CoV-2 N&E genes | Cas12a | 10 RNA copies/reaction | [59] |
| 6 | ENHANCE | SARS-CoV-2 N gene | Cas12a | [60] | |
| 7 | AIOD-CRISPR | SARS-CoV-2 N gene | Cas12a | 1.3 copies | [61] |
| 8 | FELUDA | SARS-CoV-2 N & NSP8 | Cas9 | [62] | |
| 9 | CRISPR-FDS | SARS-CoV-2 ORF1ab | Cas12a | 108amplicons/sample | [63] |
| 10 | CONAN | SARS-CoV-2 N gene | Cas3 | 102copies/sample | [64] |