AMS1

AMS2

Fluorescence count (AMS)

Cells mL−1

Fluorescence count (AMS)

Cells mL−1

Sterile filtered system water (blank)

154 ± 7, n = 3

98 ± 3, n = 3

LLOD

167

6.0 × 103

104

8.8 × 102

LLOQ

188

1.6 × 104

114

2.3 × 103

Regression equation

473X − 72,788

146X − 14,265

Regression, R2

0.9902

0.9490

Linear range

6.4 × 103 - 5.0 × 106

1.1 × 104 - 2.4 × 106