Research Article
Functionalized-AgNPs for Long-Term Stability and Its Applicability in the Detection of Manganese Ions
Table 2
Long-term stability of the colloidal AgNPs.
| Methods | Precursors | Reducing agent | Stabilizer or surfactant | Stability time | Ref. |
| Chemical synthesis | AgNO3 | Citrate | Citrate/gelatin mixture | 118 days | [3] | Chemical synthesis | AgNO3 | NaBH4 | Aminosilanes | 30 days | [9] | Chemical synthesis | AgNO3 | NaBH4 | β-Cyclodextrin, adamantine | 14 days | [16] | Chemical synthesis | AgNO3 | NaBH4 | Dodecanethiol | 60 days | [7] | Green synthesis | AgNO3 | NaBH4 | L-Cysteine | 60 days | [20] | Biological synthesis | AgNO3 | Bacterial biomass | Bacterial biomass | 90 days | [21] | Chemical synthesis | AgNO3 | NaBH4 | PHMB | 180 days | This study |
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