Development and Evaluation of Solid Lipid Nanoparticles of Raloxifene Hydrochloride for Enhanced Bioavailability

Table 3

Effect of storage time (at 25°C) on particle size, PDI, and entrapment efficiency of SLN (mean ± SD, 𝑛=3).

Parameters	Best formulation
	0 Days	30 Days	60 Days	90 Days
Particle size	271.4±6.35	291.9±3.1	300.3±3.3	329.4±6.65
PDI	0.3±0.02	0.4±0.01	0.473±0.02	0.638±0.02
EE (%)	60.5±1.5	58.3±2.51	57.5±3.05	57.03±3.59