The potential activity of biosynthesized silver nanoparticles of Pseudomonas aeruginosa as an antibacterial agent against multidrug-resistant isolates from intensive care unit and anticancer agent

Environmental Sciences Europe

Table 1 Bacterial isolates percent from infected patients in the critical care unit

Organisms	ESBL	CRE	Non- ESBL&-CRE	Number	Percent^*(%)
Facultative and aerobic GNB
Klebsiella species	60	42	74	176^a	64.4
E. coli	6	6	11	23^ab	8.42
P. aeruginosa				10^b	3.66
Proteus mirabilis				9^b	3.30
Acinetobacter species				7^b	2.56
Salmonella species				2^ab	0.73
Total				227	83.15
Facultative aerobe GPB
Staph. aureus				15^c	5.49
Streptococcus species				24^c	8.79
Enterococcus species				7^c	2.56
Total				46	16.85

GNB, Gram-negative bacteria; GPB, Gram-positive bacteria; ESBL extended-spectrum β lactamase resistance strains; CRE carbapenemase-producing Enterobacteriaceae strains
^*Percent of strains divided into the total number of strains
^{a, b, c}Different letters indicate significant differences among strains according to the Tukey-Kramer test at p < 0.01