Table 1 Physicochemical features of niosomal formulations in Hepes Buffer and artificial urine medium: vesicle dimensions (Hydrodynamic Diameter), ζ-Potential, polydispersity index (PDI), and concentration of entrapped gentamicin in niosomes (GM-entrapment in mg/ml)

From: Gentamicin loaded niosomes against intracellular uropathogenic Escherichia coli strains

Sample

Hydrodynamic Diameter (nm) ± SD

ζ-Potential (mV) ± SD

PDI ± SD

GM-entrapment (mg/ml)

Hepes buffer

AUM

Hepes buffer

AUM

Hepes buffer

AUM

Hepes buffer

AUM

Nio

101.60 ± 3.20

111.40 ± 1.20

-35.60 ± 2.10

-9.80 ± 0.12

0.28 ± 0.02

0.26 ± 0.01

–

–

GM-Nio

211.10 ± 3.50

196.10 ± 1.10

-37.10 ± 1.40

-10.90 ± 2.12

0.20 ± 0.01

0.17 ± 0.03

1.00 ± 0.01

1.00 ± 0.01

  1. Data was obtained as the means of three independent experiments. Errors are the standard deviations (SD) of data.
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