Abstract
Two recent advances in optoelectronics, namely novel near-IR sensitive photomultipliers and inexpensive yet powerful diode-pumped solid-state lasers working at kHz repetition rate, enable the time-resolved detection of singlet oxygen (O2(a1Δg)) phosphorescence in photon counting mode, thereby boosting the time-resolution, sensitivity, and dynamic range of this well-established detection technique. Principles underlying this novel approach and selected examples of applications are provided in this perspective, which illustrate the advantages over the conventional analog detection mode.
Original language | English |
---|---|
Pages (from-to) | 1003-1010 |
Number of pages | 8 |
Journal | Photochemical and Photobiological Sciences |
Volume | 7 |
Issue number | 9 |
DOIs | |
Publication status | Published - 2008 |
Event | 10th School of Pure and Applied Biophysics Time-Resolved Spectroscopic Methods in Biophysics - Venice, Italy Duration: 1 Jan 2006 → … |
Keywords
- Molecular-oxygen
- Reactive oxygen
- Photosensitizing properties
- Photodynamic therapy
- Quantum yield
- Luminescence
- Decay
- Porphycenes
- 1-delta-g
- Kinetics