Table 1.

Physiochemical characteristics of the CA/EDTA-stabilized cerium oxide nanoparticle (CeNP) series.

Citric Acid/EDTA Ratio	Size in Solution DLS (nm)	Polydispersity	Crystallite Size via XRD (nm)	Zeta Potential (mV)
100/0	7.8	0.374	2.0	−20.8
70/30	3.8	0.309	2.3	−20.4
60/40	2.6	0.198	2.4	−18.7
50/50	2.7	0.188	2.4	−21.5
40/60	2.9	0.162	2.5	−18.3
30/70	3.0	0.188	2.5	−23.0
20/80	3.5	0.160	2.4	−9.1
0/100	2.4	0.230	2.1	−15.70