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. 2021 Feb 2;12:636421. doi: 10.3389/fmicb.2021.636421

TABLE 3.

Precision of the Nluc bioluminescence assays on two separate days.

Concentration (CFU/mL) Determined concentration (CFU/mL)
Coefficient of variation (%)
Day 1 Day 2 Day 1 Day 2
5.00 × 106 4.79 (± 0.27) × 106 4.19 (± 0.01) × 106 5.69 1.99
1.00 × 106 1.02 (± 0.01) × 106 6.78 (± 0.02) × 105 1.27 2.58
1.00 × 105 8.16 (± 0.59) × 104 6.47 (± 0.46) × 104 7.18 7.13

Data are means (± standard error).