Table 1 Determination of particle size, polydispersity index (PDI), zeta potential (ZP), and stability (after 3 and 6 months) of Nano-EE by dynamic light scattering (DLS).

From: Protective effect of ethanolic extract of Echinacea purpurea contained nanoparticles on meniscal/ligamentous injury induced osteoarthritis in obese male rats

 

PS (nm)

PDI

ZP (mV)

Nano-EE

145 ± 11

0.24 ± 0.01

− 4.57 ± 0.44

Nano-EE (after 3 months)

234 ± 14

0.26 ± 0.03

− 4.39 ± 0.62

Nano-EE (after 6 months)

352 ± 18

0.44 ± 0.04

− 3.76 ± 0.39

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