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Table 3 Comparing the performance of rapid detection methods for SARS-CoV-2

From: Rapid assays of SARS-CoV-2 virus and noble biosensors by nanomaterials

Types

Methods

Target

Details

LOD and ROD

Duration

References

Based on NAAT

RT-qPCR

RNA

DrectDetect (Absence of RNA extraction)

LOD: 1.67 copies/μL

1 ~ 2 h

[59]

RT-qPCR

RNA

Integration with Big Data

–

3 ~ 4 h

[60]

RT-qPCR

RNA

Water bath PCR and LFA

LOD: 8.44 copies/μL

45 min

[62]

RT-qPCR

RNA

The SalivaDirect protocol and the Ubiquitome Liberty16 system

LOD: 12 copies/μL

1 h

[66]

RT-qPCR

Variants RNA

Integration with ARMS

LOD: 1 copy/μL

2.5 h

[70]

RT-qPCR

Variants RNA

Microfluidic chip-based

LOD: 10 copies/reaction

40 min

[73]

RT-LAMP

RNA

Combined with CRISPR-Cas12

LOD: 1 copy/μL

32 min

[74]

RT-LAMP

RNA

Particle imaging technique

LOD: 350 particles/ mL

35 min

[76]

RT-HDA

RNA

Does not require thermal cycling

LOD: 6 copies/μL

2 h

[78]

RPA

RNA

Integrated microdroplet array detection platform

LOD: 0.42 copy/μL

6–12 min

[80]

PER

RNA

Combined with CRISPR-Cas12

LOD: 1.3 pM

40 min

[82]

Rapid diagnostic test kit

ELISA

Ab

Using microfluidic technology

–

–

[87]

ELISA

Ab

Paper-based

LOD: 9 ng/µL

ROD: 1 ng/µL-100 ng/µL

30 min

[88]

ELISA

Ag

Double antibody sandwich method

LOD: 5 pg/µL

30 min

[89]

LFIA

Ag

Depositing copper on the AuNPs-labeled LIFA test paper

LOD: 10 pg/mL

 < 20 min

[91]

LFIA

Ag(N)

Carboxy Gold Nanoshell-labeled

LOD: 156 pg/mL

 < 15 min

[92]

LFIA

Ag(N)

Colored cellulose nanobeads-labeled, double antibody sandwich method

LOD: 1 ng/mL

15 min

[93]

LFIA

Ab

Selenium nanoparticles-labeled

LOD: 20 ng/mL

10 min

[94]

LFIA

Ag(N)

AIE luminophores-labeled

LOD: 7.2 ng/mL

 < 20 min

[95]

LFIA

Ab

Ratiometric fluorescent analysis, Carboxyl-functionalized Europium chelate nanoparticles

LOD: 7.6 IU/mL

ROD: 12.5-1000 IU/mL

15 min

[96]

LFA

RNA

6-carboxyfluorescein-labeled, AuNPs capped with cysteamine as a control signal

LOD: 0.02 copy/μL

 < 30 min

[97]

Electrochemical biosensors

Immunoimpedance biosensor

Ag(S)

Substrate: polyethylene terephthalate

Modifiers: single-walled carbon nanotubes

LOD: 350 genome equivalents/mL

15 min

[128]

Immunoimpedance biosensor

Ag(N)

Substrate: SPCE

Modifiers: zinc oxide/reducedgraphene oxide

LOD: 21 fg/mL

ROD: 1–104 pg/mL

 < 15 min

[53]

Immunoimpedance biosensor

Ag(S)

Substrate: SPGE

functionalized processed peptides as a reporter

LOD: 18.2 ng/mL

ROD: 0.05–3 µg/mL

15 min

[131]

Immunoimpedance biosensor

Ab

Modifiers: PPy-NTs/AuNPs

LOD: 0.386 ng/mL

ROD: 0.4–8 ng/mL

 < 1 h

[47]

Immunoimpedance biosensor

Ag(S)

Substrate: SPCE

Modifiers: SiO2@UiO-66

LOD: 100 fg/mL

ROD: 100 fg/mL -10 ng/mL

 < 5 min

[55]

Electrochemical biosensor

Ab

Modifiers: colloidal quantum dots

LOD: 7.73 ng/mL

ROD: 50–1250 ng/mL

 < 1 min

[54]

electrochemical biosensor

Ab

Substrate: GCE

Modifiers: gold cluster

LOD: 9.3 ag/mL

ROD: 0.1 fg-10 pg/mL

 < 20 min

[50]

Electrochemical biosensor

Ag(S)

Substrate: dual-gate oxide semiconductor thin-film transistor

LOD: 1.17 fg/mL

ROD: 1 fg/mL -1 ng/mL

1 min

[132]

Electrochemical biosensor

RNA

Substrate: SPCE

Modifiers: gold nanoflowers

combined with CRISPR-Cas13a

LOD: 4.4 × 10–2 fg/mL

ROD: 10–1-105 fg/mL

1.5 h

[133]

ECL biosensor

RNA

Substrate: SPCE

Ru(bpy)32 + -labeled

LOD: 0.1 fM

ROD: 0.1 fM-10 µM

 < 30 min

[135]

Molecularly imprinted biosensor

Ag(RBD)

Substrate: SPCE

Modifiers: molecularly imprinted polymer nanoparticles

LOD: 3.9 fg/mL

ROD: 1 fg/mL-10 pg/mL

 < 15 min

[48]

BioFET

Ag(N)

based on an electrical double-layer gated BioFET system

LOD: 0.14 ng/mL

ROD: 0.4–400 ng/mL

 < 30 min

[140]

BioFET

RNA

using flexible single-stranded DNA linked byrigid tetrahedral double-stranded DNA as a probe

LOD: 0.02 copy/μL

 < 4 min

[142]

Optical biosensors

Colorimetric biosensor

RNA

AuNPs as a reporter, does not require sophisticated equipment

LOD: 0.5 ng

 < 30 min

[175]

Colorimetric biosensor

Ag(S)

Substrate: cotton swab orange nanopolymer-labeled

LOD: 100 pfu/mL

ROD: 103–108 pfu/mL

5 min

[144]

Colorimetric biosensor

Mpro

bivalent peptide as a recognizer and AuNPs as a reporter

LOD: 18.9 nM

10 min

[51]

Immunofluorescence biosensor

Ag(S)

hairpin structure of hACE2 mimetic peptide beacon as a reporter

LOD: 4.0 × 103 pfu /test

 < 3 h

[146]

Optical biosensor

Ag(S)

Substrate: imprinted photonic crystal film low cost (approximately USD 1)

LOD: 429 fg/mL

ROD: 1 pg/mL-100 ng/mL

 < 15 min

[151]

Optical biosensor

Ag(N)

Combined U-Bent plastic optical fiber with nanogold to immobilize the Ab

–

 < 15 min

[152]

SPR biosensor

Ag(S)

Using laser external differential feedback interferometry

LOD: 0.08 pg/ mL

ROD: 10–2-103 ng/mL

 < 1 min

[153]

LSPR biosensor

Ag(S)

Substrate: vertical microcavity

Modifiers: nano-porous gold

LOD: 319 copies/mL

 < 30 min

[52]

LSPR biosensor

Ag(RBD)

Combined with optical imaging and artificial intelligence methods

LOD: 100 vp/mL

ROD: 125.28-106 vp/mL

 < 12 min

[155]