Table 1 Analytical limits of detection (LOD) for RPA-Cas reactions.

From: Room temperature CRISPR diagnostics for low-resource settings

Cas12a

Temperature (°C)

LOD (copies)a

Figure

30 min

60 min

Lb

20

 > 1,000,000b

 > 1,000,000b

2b

25

 > 340,000c

2300 (± 400)

S4 a, h

30

1400 (± 300)

490 (± 80)

S4 b, h

37

196 (± 5)

144 (± 2)

S3 c, h

Ts

20

 > 150,000c

740 (± 70)

S4 d, j

25

290 (± 150)

98 (± 7)

S4 e, j

30

165 (± 14)

184 (± 1)

S4 f., j

37

89 (± 9)

65 (± 1)

S4 g, j

  1. aLOD expressed as value (mean ± SD) obtained over 5 min windows at 30 and 60 min from data presented in the indicated figures.
  2. bLower-limit based on copies used in experiment where no signal was observed above background.
  3. cLower-limit reported from the earliest value obtained.