Table 2 MIC and MBC of Extract and ZnO@MgO NPs. The data shows means ± standard error (n = 3). According to Tukey’s test (HSD), significant differences (P ≤ 0.05) are indicated by different lowercase letters in the same species within a column.

From: Pharmacological applications and plant stimulation under sea water stress of biosynthesis bimetallic ZnO/MgO NPs

Tested microorganisms

MIC (µg/mL)

HSD

MBC (µg/mL)

HSD

MBC/MIC Index

HSD

Extract

ZnO@MgO NPs

Extract

ZnO@MgO NPs

Extract

ZnO@MgO NPs

E. faecalis

7.8 ± 2.3b

15.62 ± 1.25a

4.21

7.8 ± 2.21b

62.5 ± 3.25a

5.15

1 ± 0.65b

4 ± 0.45a

1.25

S. aureus

62.5 ± 2.3b

125 ± 3.21a

6.32

125 ± 2.25b

250 ± 3.45a

5.32

2 ± 1.32a

2 ± 1.24a

0.32

E.coli

15.62 ± 3.4b

62.5 ± 2.15a

4.36

31.25 ± 2.1b

125 ± 1.89a

6.56

2 ± 0.51a

2 ± 0.45a

0.21

S. typhi

15.62 ± 3.2b

125 ± 4.32a

6.54

15.62 ± 1.2b

125 ± 2.54a

4.02

1 ± 0.32a

1 ± 0.41a

1.05

C. albicans

7.8 ± 0.45a

7.8 ± 0.32a

0.21

7.8 ± 0.09a

7.8 ± 0.05a

0.16

1 ± 0.15a

1 ± 0.21a

0.56

M. circinelloid

15.62 ± 3.2b

500 ± 4.21a

6.65

62.5

2.54

4 ± 0.58

1.32