Research Article

Binding of Coumarin 334 with β-Cyclodextrin and with C-Hexylpyrogallol[4]arene: Opposite Fluorescence Behavior

Table 1

Absorption and fluorescence spectral data of C334 with various amounts of β-CD.

Concentration of -CD, mol dm−3Absorption maximum, nmAbsorbance, a.u.Emission maximum, nm

0461.00.0638503.0
1.0 × 10−3464.00.0637504.0
2.0 × 10−3468.00.0655504.0
8.0 × 10−3468.00.0717504.0
1.0 × 10−2468.00.0783504.0
1.2 × 10−2468.00.0832504.0

Excitation wavelength: 461 nm.