Table 4 Ct values from the serial dilution of positive plasmids

Tenfold dilution

2 × 10 ⁸ copies

2 × 10 ⁷ copies

2 × 10 ⁶ copies

2 × 10 ⁵ copies

2 × 10 ⁴ copies

2 × 10 ³ copies

2 × 10 ² copies

2 × 10 ¹ copies