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Table 1 Physicochemical characterization of NiO NPs

From: Nickel oxide nanoparticles can recruit eosinophils in the lungs of rats by the direct release of intracellular eotaxin

Measurements Mean ± SEM
Primary size (nm) 5.3 ± 0.4
Surface area (m2/g) 91.8
Hydrodynamic size (nm) in  
 DW 209 ± 3.7
 PBS 970 ± 52
 PBS with 3 % rat serum 224 ± 11
Polydispersity in  
 DW 0.30 ± 0.02
 PBS 0.65 ± 0.05
 PBS with 3 % rat serum 0.45 ± 0.06
Zeta potential (mV) in  
 DW 48.9 ± 0.6
 PBS −21 ± 0.6
 PBS with 3 % rat serum −30 ± 2.3
Solubility (%) in  
 PBS (pH 7.4) 1.1
 PBS with 3 % rat serum 2.2
 Artificial lysosomal fluid (pH 5.5) 9.5
Endotoxin <0.1 EU/mL