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Table 1 Physicochemical characterization of nanoparticles

From: Response-metrics for acute lung inflammation pattern by cobalt-based nanoparticles

Measure

Co3O4

CoO

Primary size (nm)

20.2 ± 0.4

65.4 ± 2.8

Hydrodynamic size (nm)

  

in DW

93.4 ± 1.8

380.3 ± 14.4

in PBS

468.9 ± 24.3

449.1 ± 8.9

Polydispersity

  

in DW

0.18 ± 0.03

0.72 ± 0.02

in PBS

0.26 ± 0.02

0.69 ± 0.05

Surface area (m2/g)

35.8

8.5

Zeta potential (mV)

  

in DW

39.53 ± 0.72

6.99 ± 1.18

in PBS (pH 7.4)

−26.40 ± 0.90

−21.80 ± 0.45

Solubility (%) in ALF

11.46

92.65

Solubility (%) in PBS

0.02

4.12

Endotoxin

ND

ND

  1. Data were presented as mean ± SEM
  2. ND, not detected