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Table 1 Overview of Spearman’s rank coefficients to assess charge-dependent increase in ROS production following a 4 hour exposure to differently charged Ag NPs

From: The oxidative potential of differently charged silver and gold nanoparticles on three human lung epithelial cell types

NPs (μg/cm 2 )

A549

BEAS-2B

NHBE

0

0

0

0

0.05

1**

−0.20

−0.2

0.1

1**

−0.33

1

0.2

0.87*

0.07

0.60

0.4

0.87*

0.47

0.87*

0.8

1**

0.60

1*

  1. P-values * < 0.05, ** < 0.01.