Table 1.

ζ potentials of GO, GO-PEG-NH₂, E. coli, S. aureus, and CCRF-CEM incubation with and without GO-PEG-NH₂.

Species	ζ Potential/mV	ζ Potential/mV
	GO-PEG-NH2 (−)	GO-PEG-NH2 (+)
GO	−41.30 ± 0.36	-
GO-PEG-NH2	−4.27 ± 0.52	-
E. coli	−51.83 ± 0.61	−14.60 ± 0.79
S. aureus	−34.63 ± 0.12	−25.70 ± 0.91
CCRF-CEM	−11.70 ± 0.16	−10.80 ± 0.29