Table 1.

Size, size-distribution and particle number concentration of mixtures of CeO₂ nanoparticles (NPs) and acetaminophen (APAP) as revealed by dynamic light scattering (DLS) and nanoparticle tracking analysis (NTA), respectively.

Samples	DLS		NTA
	Z-Average [nm]	PDI	Mode [nm]	Particle Number [Particles mL−1]
80 µg mL−1 CeO2 NP + 0.5 mmol L−1 APAP	208	0.291	234.2	1.69 × 108
80 µg mL−1 CeO2 NP + 50 mmol L−1 APAP	211	0.323	256.2	6.68 × 107