Skip to main content

Table 1 Characteristics of NPs as synthesized and their solvents

From: Problems and challenges in the development and validation of human cell-based assays to determine nanoparticle-induced immunomodulatory effects

Nanoparticle Composition Mean Diameter (nm) Surface Coating Concentration Solvent
    NPs/ml μg/ml nM  
Gold (Au) 4 Citrate ions 5 × 1013 56.7 83.1 Na Citrate 0.25 mM; oxidised NaBH4 0.3 mM; pH 8
Gold (Au) 13 Citrate ions 1012 62.7 1.7 Na Citrate 2.2 mM; pH 7
Gold (Au) 20 Citrate ions 1012 100.0 1.7 Na Citrate 0.85 mM; pH 7
Silver (Ag) 30 Citrate ions 1012 107.8 1.7 Na Citrate 10 mM; pH 7
Silver Oxide (AgO) 10-60 OH ions 1012 107.8 1.7 Oxidized NaBH4 2.64 mM; pH 9
Iron Oxide (Fe3O4) 7 TMAOH 1014 67.0 166.1 Tetramethylammonium Hydroxide (TMAOH) 5 mM; pH 10
Cobalt Oxide (CoO) 7 TMAOH 1014 38.1 166.1 TMAOH 1 mM; pH 9
Cerium Oxide (CeO2) 7 TMAOH 5 × 1013 14.0 83.1 TMAOH 1 mM; pH 9
Silver (Ag) 80 Citrate ions 1.1 × 109 3.1 N.D. Na Citrate 20 μM
Gold (Au) 50-100 None N.D. 200 N.D. None
Cerium Oxide (CeO2) 15-30 None N.D. 200 N.D. None
Cobalt Oxide (CoO) 28 None N.D. 200 N.D. None
FexOy 20-50 None N.D. 200 N.D. None