Table 1.

Size and Z-potential of G2.5, G5, G6.5, and G5G2.5 in different media

	Hydrodynamic size (nm)		Z-potential (mV)
	HBSS	MEM	HBSS	MEM
G5G2.5	10.5 ± 1.9 (PdI: 0.729)	9.8 ± 1.6 (PdI: 0.764)	−4.0 ± 0.7	−16.6 ± 4.5
G2.5	1.60 ± 0.9 (PdI: 0.627)	5.53 ± 0.6 (PdI: 0.606)	−5.7 ± 1.4	−3.3 ± 0.7
G5	7.26 ± 0.87 (PdI: 0.689)	6.72 ± 0.25 (PdI: 0.440)	4.5 ± 0.5	−2.5 ± 2.3
G6.5	11.5 ± 0.7 (PdI: 0.558)	12.9 ± 0.4 (PdI: 0.246)	−9.0 ± 1.2	−13.5 ± 0.7

Notes: Hydrodynamic size and Z-potential are expressed as mean ± standard deviation of three independent measurements.

Abbreviations: HBSS, Hank’s balanced salt solution; MEM, modified Eagle’s medium; Pdl, polydispersity.