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The association constants (Ka) of 2 with four saccharides and the corresponding maximal fluorescence intensity enhancement (I/I0) at 420 nm.
| Sugar | Ka (M-1) | I/I0 (75 mM) |
|---|---|---|
| D-Glucose | 130±2.8 | 5.89 |
| D-Fructose | 17.3±0.8 | 2.61 |
| D-Galactose | 5.81±0.6 | 1.84 |
| D-Mannose | 22.9±0.5 | 2.96 |
