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Table 3 Dissolution rate coefficient k and solidification rate coefficient k’ of NiO nanoparticles in six solutions

From: Kinetics and dissolution of intratracheally administered nickel oxide nanomaterials in rats

NiO particles Solutions k (/h) k’ (/h)
NiO A Saline 3.4 × 10−4 8.8 × 10−3
Pure water 5.8 × 10−4 1.7 × 10−2
H2O2 (200 μmol/L) 5.0 × 10−4 1.4 × 10−2
H2O2 (10 μmol/L) 5.7 × 10−4 1.5 × 10−2
Artificial lysosomal solution 1.4 × 10−3 1.1 × 10−2
Artificial interstitium solution (Gamble’s solution) 6.2 × 10−4 2.6 × 10−2
NiO B Saline 6.5 × 10−4 1.0 × 10−2
Pure water 8.0 × 10−4 1.6 × 10−2
H2O2 (200 μmol/L) 1.2 × 10−3 2.3 × 10−2
H2O2 (10 μmol/L) 9.3 × 10−3 1.9 × 10−2
Artificial lysosomal solution 0.18 9.2 × 10−3
Artificial interstitium solution (Gamble’s solution) 3.6 × 10−3 9.8 × 10−2
NiO C Saline 5.4 × 10−5 1.7 × 10−2
Pure water 5.5 × 10−5 1.0 × 10−2
H2O2 (200 μmol/L) 2.0 × 10−5 1.4 × 10−2
H2O2 (10 μmol/L) 4.7 × 10−5 1.4 × 10−2
Artificial lysosomal solution 7.8 × 10−5 1.0 × 10−2
Artificial interstitium solution (Gamble’s solution) 1.5 × 10−4 9.5 × 10−2
NiO D Saline 3.7 × 10−4 4.4 × 10−3
Pure water 5.4 × 10−4 7.3 × 10−3
H2O2 (200 μmol/L) 1.0 × 10−3 1.5 × 10−2
H2O2 (10 μmol/L) 1.1 × 10−3 1.5 × 10−2
Artificial lysosomal solution 4.9 × 10−3 9.3 × 10−3
Artificial interstitium solution (Gamble’s solution) 4.3 × 10−3 9.4 × 10−2