Table 27.1 Assessment of metal-based ENMs for antimicrobial activity

ENMs

Size (nm)

Bacteria

Mode of action

Synthesis

References

Ag/

Chitosan

10
5.4

E. coli

S. aureus

C. albicans

Release of silver ion and its soluble complexes and Cell

membrane damage

Hydrothermal

synthesis

Biao et al.

(2017)

Ag/GO

5–10

E. coli

S. aureus

Release of silver ion and Cell membrane damage

Microwave-

assisted synthesis

Zhao et al.

(2017)

Ag

10–70

E. coli

S. aureus, MRSA

P. aeruginosa

ROS generation

Pulsed laser

ablation

Korshed et al.

(2016)

Au

6–34, 20–40

E. coli

B. subtilis

S. aureus

K. pneumonia

Disrupted their respiratory systems and induced ROS

generation

Chemical

reduction process

Shamaila et al.

(2016)

Cu

2–60 ( 25)

E. coli

Release of Cu ions and generation of hydroxyl radical

in the cytoplasm

–

Rispoli et al.

(2010)

Cu

10–16

E. coli

ROS generation

Biological

synthesis

Lv et al. (2018)

TiO2

4–10

Influenza virus

strain (H3N2)

Fragmentation of viral envelope

Chemical based

synthesis

Mazurkova

et al. (2010)

CaO

14–24 ( 18)

P. aeruginosa

S. epidermidis

C. tropicalis

ROS generation

Microwave

irradiation

synthesis

Roy et al.

(2013)

Se

115
38

E. coli

S. aureus

Penetrate the outer membrane and modifying the role

of enzymatic conveyors

Pulsed laser

ablation

in DI water

Guisbiers et al.

(2016)

Se

90–150

E. coli

S. aureus

ROS generation

Biogenic synthesis

Medina Cruz

et al. (2018)

(continued)

27

Antimicrobial Applications of Engineered Metal-Based Nanomaterials

499