PEGylated Protamine Letrozole Nanoparticles: A Promising Strategy to Combat Human Breast Cancer via MCF-7 Cell Lines

Table 1

Particle size and potential of formulations (F1-F4).

Formulation code	PPC	LTZ	TPP	Polydispersity index	Particle size (nm)	Zeta potential
F1	30 mg	5 mg	0.4%	0.114	258	7.4 mV
F2	30 mg	10 mg	0.4%	0.234	276	8.11 mV
F3	30 mg	15 mg	0.4%	0.45	340	10.2 mV
F4	30 mg	20 mg	0.4%	0.5	388	11.2mv