Research Article
Binding of Coumarin 334 with β-Cyclodextrin and with C-Hexylpyrogallol[4]arene: Opposite Fluorescence Behavior
Table 4
Absorption and fluorescence spectral data of C334 with various amounts of C-HPA.
| Concentration of C-HPA, mol dm−3 | Absorption maximum, nm | Absorbance, a.u. | Emission maximum, nm |
| 0 | 462.0 | 0.0252 | 504.0 | 1.77 × 10−6 | 461.0 | 0.0320 | 504.0 | 2.57 × 10−6 | 460.0 | 0.0370 | 504.0 | 3.37 × 10−6 | 460.0 | 0.0402 | 503.0 | 4.17 × 10−6 | 460.0 | 0.0415 | 503.0 | 4.97 × 10−6 | 460.0 | 0.0450 | 503.0 | 5.77 × 10−6 | 459.0 | 0.0474 | 503.0 |
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Excitation wavelength: 461 nm.
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