Test organisms

ZnO

ZnO/Nb₂O₅

+Ve

−Ve

Escherichia coli

0.9

1.9

2.1

0

Xanthomonas oryzae

0.4

1.0

1.2

0

Salmonella typhii

0.5

0.8

1.0

0

Enterobacter aerogens

0.8

1.9

2.2

0

Pseudomonas aregunosa

0.4

0.7

1.0

0