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Table 1 Physico-chemical properties of samples

From: Changes of physico-chemical properties of nano-biomaterials by digestion fluids affect the physiological properties of epithelial intestinal cells and barrier models

Samples

Appearance

Concentration (mg/ml)

Z-average hydrodynamic diameter (nm)*

ζ-potential (mV)**

Suspension pH**

LSNPs

Lipid-surfactant nanoparticles

Colloidal suspension

12

135.0 ± 0.5

PDI 0.244

−16.3 ± 1.5

5.46

CNPs

Carbon nanoparticles

Colloidal suspension

1.2

130.8 ± 1.0

PDI 0.170

−52.6 ± 1.0

4.60

FNPs

PLGA-PEG coated Fe3O4 nanoparticles

Colloidal suspension

2

83.2 ± 0.5

PDI 0.169

−40.8 ± 1.0

6.84

HNPs

Hydroxyapatite nanoparticles

Powder

1

3126 ± 523

PDI 0.648

−2.0 ± 0.2

7.75

  1. PDI is referred to Polydispersity Index
  2. *DLS measurement, samples diluted in water (100 µg/ml)
  3. **ELS and pH measurement, samples diluted in water (100 µg/ml)