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Table 1 Particle size, poly dispersity index, zeta potential and % EE of different Lip

From: Rhein laden pH-responsive polymeric nanoparticles for treatment of osteoarthritis

Formulation Size (nm) Poly dispersity index (PDI) Zeta-potential (mV) % Entrapment Efficiency (± SD)
PLGA-NPs 116.8 ± 1.5 0.12 ± 0.04 − 6.8 ± 1.27
Rh-PLGA-NPs 134.6 ± 2.4 0.15 ± 0.013 − 16 ± 1.13 64.4 ± 2.11
Rh-PLGA-NPs@NH4 190.7 ± 1.2 0.14 ± 0.015 − 22 ± 1.12 46.7 ± 0.10