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Table 5 Effect of synthesized NPs on nitrate reductase (NR) activity in a wide range of microbial pathogens

From: Biogenic selenium nanoparticles and selenium/chitosan-Nanoconjugate biosynthesized by Streptomyces parvulus MAR4 with antimicrobial and anticancer potential

Tested NPs

% Inhibition of NR

E. coli

P. vulgaris

S. typhi

S. aureus

A. flavus

A. niger

Rhizoctonia sp.

C. albicans

NCh

30.6 ± 0.6

0.9 ± 0.1

28.2 ± 0.5

24.8 ± 0.6

23.1 ± 0.6

30.7 ± 0.6

13.6 ± 0.4

8.0 ± 0.4

SeNPs

35.0 ± 0.7

2.0 ± 0.01

3.4 ± 0.1

42.0 ± 0.8

5.1 ± 0.2

40.0 ± 0.8

57.7 ± 1.0

2.1 ± 0.2

Se/Ch-nanoconjugate

50.0 ± 1.3

90.0 ± 1.8

60.0 ± 1.4

53.6 ± 0.9

65.8 ± 1.3

31.6 ± 0.7

67.1 ± 1.4

4.9 ± 0.2