Table 2. Comparison between the Antimicrobial Efficiency of AuNPs and rGO-AuNPs Synthesized in the Current Study and Other Nanomaterials Mentioned in Other Studies.

sample	sample concentration (mg·mL–1)	bacterial strain	zone of inhibition (mm)	refs
reduced graphene oxide (rGO)	100	E. coli	18	(88)
		S. aureus	23
graphene oxide (GO)		E. coli	resistant
		S. aureus	resistant
palladium-decorated reduced graphene oxide/zinc oxide nanocomposite (Pd-RGO-ZnO)		K. pneumonia	11	(89)
		P. aeruginosa	10
reduced graphene oxide (rGO)		E. coli	11	(90)
silver-reduced graphene oxide nanocomposite (Ag-rGO)	100	S. aureus	8	(91)
		B. subtilis	9
		E. coli	18
reduced graphene oxide–zinc oxide nanocomposite (RGO-ZnO)	200	K. pneumonia	14	(92)
		P. aeruginosa	14.5
gold-reduced graphene oxide nanocomposite (Au-rGO)	150	K. pneumonia	23.4	(93)
		P. aeruginosa	24.4
		S. aureus	21.4
graphene oxide (GO)	100	B. subtilis	9	(94)
		E. coli	8
		P. aeruginosa	6
reduced graphene oxide (rGO)		B. subtilis	18
		E. coli	14
		P. aeruginosa	7.5
gold nanoparticles (AuNPs)	100	E. coli	resistant	the current work
		K. pneumonia
		S. aureus
		B. subtilis
reduced graphene oxide–gold nanocomposite (rGO-AuNPs)		E. coli	no growth (sensitive)
		K. pneumonia
		S. aureus	resistant
		B. subtilis