Skip to main content
. 2020 Nov 5;187(12):639. doi: 10.1007/s00604-020-04615-x

Table 3.

Upper part: affinity nanobiosensors for SARS, MERS and COVID-19 detection. Lower part: comparison with non-nanostructured biosensors reported in literature for coronavirus detection

Disease ABBs type Transducer Biomarker Biosensor Platform Biosensor format Linear range LOD References
SARS Immunosensor FET Antigen N-protein Si-SiO2/In2O3 nanowires/AMP fibronectin Label-free - SubnM [70]
MERS Immunosensor Amperometric Antigen spike protein S1 AuNPs/MERS-CoV antigen/MERS-CoV Ab Label-based competitive 0.001–100 ng/mL 0.4 pg/mL [74]
COVID-19 Immunosensor FET Antigen spike protein S1 Si-SiO2/graphene/SARS-CoV-2 Ab Label free - 1 fg/mL [75]
COVID-19 DNA-sensor PPT+LSPR SARS-CoV-2 nucleid acid AuNIs/cDNA Label free 0.1 pM −1 mM 0.22 pM [76]
SARS Immunosensor SPR Anti-SCVme Ab Au/GBP-SCVme antigen Label free - 200 ng/mL [77]
SARS Immunosensor SPR Antigen N-protein SARS-CoV Ab Label-based sandwich 0.001–10 ng/mL 1 pg/mL [78]
SARS Immunosensor Piezoelectric SARS-CoV antigen PQC/SARS-CoV Ab Label free 0.6–4 μg/mL - [79]

List of abbreviations: Ab, antibody; AMP, antibody mimics proteins; SCVme, SARS-CoV membrane-envelope protein; GBP, gold binding polypeptide; PQC, piezoelectric quartz crystal; PPT, plasmonic photothermal localized SPR; AuNIs, gold nanoislands; cDNA, complementary DNA