Table 1 Analytical protocols employed for SEIRA analyses on a AO7 10 −4 M solution
From: Use of nano gold obtained by laser ablation for SEIRA analyses of colorants
Colloidal solution | Method of deposition | Results |
|---|---|---|
Aggregated | 3 deposition 5 μL + 0.5 μL AO7 10-4 M | Medium enhancement, variable intensity, band enlargement |
Aggregated | 5 deposition 5 μL + 0.5 μL AO7 10-4 M | Modest enhancement, variable intensity, band enlargement |
Aggregated | 8 deposition 5 μL + 0.5 μL AO7 10-4 M | Modest enhancement, variable intensity, band enlargement |
Unaggregated | 3 deposition 5 μL + 0.5 μL AO7 10-4 M | Modest enhancement, variable intensity, band enlargement |
Unaggregated | 5 deposition 5 μL + 0.5 μL AO7 10-4 M | Modest enhancement, variable intensity, band enlargement |
Unaggregated | 8 deposition 5 μL + 0.5 μL AO7 10-4 M | Modest enhancement, variable intensity, band enlargement |
Aggregated | 1 μL mixture AO7 10-4 M - aggregated AuNP | Medium enhancement, band enlargement |
Unaggregated | 1 μL mixture AO7 10-4 M - aggregated AuNP | High enhancement, variable intensity, improved spectral resolution |