Table 1.

DLS measurements of ZnO and ZnO/Au nanomaterials.

Sample	Population 1		Population 2		P.D.I.	ζ/mV
	%	dh/nm	%	dh/nm
Z1	39	23	61	100	0.446	17.77 ± 1.41
ZA1	47	23	53	105	0.493	−4.34 ± 0.80
Z2	31	33	69	115	0.580	14.09 ± 1.24
ZA2	35	33	65	121	0.589	−5.18 ± 0.91