Table 1 Characteristics of NPs as synthesized and their solvents
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 |