Table 8.

Physicochemical characteristics of gold-based NPs.

Gold-based NPs	REF	Functional group	Diameter (nm)	ζ - potential (mV)	Tested Uropathogens	Activity
							Gold nanoparticles	(Li et al., 2014)	Amino-pyrimidine	3.1	–	E. coli	Antibacterial
Gold nanoparticles	(Li et al., 2014)	Quaternary ammonium	2	–	E. coli	Antibacterial
Gold nanoparticles conjugated with chlorhexidine	(Ahmed et al., 2016)	–	20 - 100	–	K. pneumoniae	Antibiofilm
Silica coated gold nanorods loaded with verteporfin	(Turcheniuk et al., 2015)	–	20 ± 3 nm (length/diameter AR 3.5 ± 0.3)	-16	E. coli	Antibacterial