Table 2. Particle size and zeta potential of blank NPs and NPs-cp (n = 3).

Batch	Particle size (nm)	Size polydispersity index (PI)	Zeta potential (mV)
Blank NPs	187±7	0.23	−10.1±0.3
NPs-cp	192±12	0.26	−9.5±0.4

NPs are nanoparticles; NPs-cp is cisplatin-encapsulated nanoparticles.