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Intensity Enhancement Factors for the pH Probe SNAFL 2-dextran, for Several Emission Filter Settings and an Excitation Wavelength of 488 nm. The Enhancement Ratio is Determined Relative to that Obtained on a Glass Substrate (i.e. No Silver)
| Sample | 555 ± 40 nm | 615 ± 80 nm | >550 nm | >590 nm |
|---|---|---|---|---|
| pH 6.80 | 36.7 | 42.9 | 48.8 | 45.2 |
| pH 8.90 | 37.0 | 31.1 | 25.4 | 30.9 |
