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Table 1 Characteristics of nanoparticles

From: Protein corona: implications for nanoparticle interactions with pulmonary cells

 

CeO2

Si-CeO2

BaSO4

ZnO

SSA (m2/g)

28.0

27.8

34.6

41.0

Dxrd (nm)

32.9

32.6

36.0

29.0

ρ (g/cm2)

7.65

~7.20

4.50

5.61

NPs in DPBS

 DH (nm)

1254 ± 110

378 ± 13

191 ± 13

2524 ± 343

 PdI

0.35 ± 0.04

0.30 ± 0.05

0.38 ± 0.03

0.29 ± 0.03

 Conductance (mS/cm)

13.4 ± 0.46

14.3 ± 0.49

14.2 ± 0.64

13.7 ± 0.17

 ζ (mV)

−21.4 ± 0.46

−23.5 ± 0.55

−30.7 ± 1.92

−28.2 ± 5.26

NPs without corona in DI water

 DH (nm)

136 ± 1

208 ± 3

154 ± 21

221 ± 3

 PdI

0.29 ± 0.03

0.29 ± 0.02

0.29 ± 0.005

0.23 ± 0.02

 Conductance (mS/cm)

0.016 ± 0.001

0.018 ± 0.0002

0.011 ± 0.001

0.04 ± 0.007

 ζ(mV)

34.5

−26.8

−18.7

23.0

NPs with coronas (post-30 min incubation in BALf) in DI water

 DH (nm)

1513 ± 17

460 ± 12

595 ± 17

2189 ± 64

 PdI

0.49 ± 0.02

0.35 ± 0.02

0.48 ± 0.02

0.30 ± 0.05

 Conductance (mS/cm)

14.7 ± 0.87

15.1 ± 0.76

14.8 ± 0.81

14.6 ± 0.23

 ζ (mV)

−19.0 ± 0.91

−19.2 ± 0.66

−15.2 ± 1.76

−17.7 ± 2.56

  1. SSA specific surface area measured with BET analysis
  2. D xrd primary particle size based on X-ray diffraction
  3. ρ density, Si-CeO2 (based on 91:9 ratio of CeO2:SiO2)
  4. D H hydrodynamic diameter by DLS
  5. PdI polydispersity index
  6. ζ zeta potential by DLS
  7. DI water deionized water
  8. DPBS Dulbecco’s phosphate buffered saline
  9. BALf bronchoalveolar lavage fluid