From: Surface PEGylation suppresses pulmonary effects of CuO in allergen-induced lung inflammation
Test material (Supplier) | Manufacturer’s information | cMeasured primary particle size (nm) | dMeasured hydrodynamic diameter in ultrapure water or Krebs saline (nm) | eTotal measured copper concentration (mg l-1) | fPercentage of nominal concentration (%) | gMeasured copper fraction in coated CuO NPs | hMetal dissolution rate in ultrapure water or Krebs saline (μg Cu h-1) | iZeta potential in ultrapure water (mV) |
---|---|---|---|---|---|---|---|---|
aCuO NPs uncoated, CAS 1317-38-0 (PlasmaChem GmbH, Lot YF1309121) | 99% purity; diameter, 10 - 20 nm; bsurface area 42 ± 2 m2 g-1 | 12.00 ± 0.37 | 41 ± 28 (water) 62 ± 50 (Krebs) | 287.1 ± 14.4 | 89.7 ± 4.5 | -- | 1.68 (water) 1.21 (Krebs) | 14.0 ± 1.2 |
aCuO NPs COOH-coated, CAS 1317-38-0 (PlasmaChem GmbH, Lot YF140114) | 99% purity; diameter, 10 - 20 nm; bsurface area, 7.4 ± 0.5 m2 g-1 | 6.45 ± 0.16 | 121 ± 91 (water) 128 ± 58 (Krebs) | 154.3 ± 6.9 | - | 0.43 ± 0.02 | 69.12 (water) 18.15 (Krebs) | - 7.3 ± 0.5 |
aCuO NPs NH4+-coated, CAS 1317-38-0 (PlasmaChem GmbH, Lot YF140114) | 99% purity; diameter, 10 - 20 nm; bsurface area, 6.1 ± 0.5 m2 g-1 | 9.53 ± 0.22 | 46 ± 36 (water) 96 ± 75 (Krebs) | 185.9 ± 7.2 | - | 0.52 ± 0.02 | 18.6 (water) 12.22 (Krebs) | 27.7 ± 0.5 |
aCuO NPs PEG-coated, CAS 1317-38-0 (PlasmaChem GmbH, Lot YF140114) | 99% purity; diameter, 10 - 20 nm | 7.46 ± 0.42 | 100 ± 36 (water) 189 ± 113(Krebs) | 105.0 ± 3.5 | - | 0.29 ± 0.01 | 52.02 (water) 17.44 (Krebs) | - 16.8 ± 0.4 |