Abstract
Fluorescence lifetimes are reported for a series of anilinonaphthalene sulfonate (ANS) probe molecules complexed with β-cyclodextrin (β-CD). The fluorescence decay kinetics are recovered by multifrequency phase and modulation measurements in concert with a global analysis scheme. In all cases studied, a continuous Lorentzian distribution of lifetimes is observed, resulting from the dynamical nature of the ANS-β-CD complex and free ANS. Trends are discussed and comparisons made between bound and free fluorophore and between different isomeric ANS structures.
| Original language | English |
|---|---|
| Pages (from-to) | 31-39 |
| Number of pages | 9 |
| Journal | Journal of Fluorescence |
| Volume | 1 |
| Issue number | 1 |
| DOIs | |
| State | Published - Mar 1991 |
Keywords
- Distribution analysis
- cyclodextrins
- inclusion complexes
- multifrequency phase-modulation fluorescence
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