From:  Osimertinib nano-niosomes: surfactant effects, release kinetics, and cytotoxicity studies

 Characterization of osimertinib niosomal formulations: influence of surfactant type on particle size, zeta potential, and entrapment efficiency.

FormulationSurfactant typeParticle size (nm)Zeta potential (mV)Entrapment efficiency (%)
F1Span 60112 ± 7−23.2 ± 1.571.5 ± 2.1
F2Tween 60292 ± 13−18.7 ± 1.176.2 ± 1.7
F3Pluronic F-12747 ± 5−26.5 ± 1.869.8 ± 2.4
F4Brij 52 (C16E2)126 ± 9−21.4 ± 1.374.0 ± 1.9

Values presented as mean ± SD, n = 3.