| Numéro |
J. Phys. IV France
Volume 04, Numéro C7, Juillet 1994
8th International Topical Meeting on Photoacoustic and Photothermal Phenomena8 ITMP3 / 8éme conférence internationale de photoacoustique et photothermique |
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|---|---|---|
| Page(s) | C7-473 - C7-476 | |
| DOI | https://doi.org/10.1051/jp4:19947110 | |
8th International Topical Meeting on Photoacoustic and Photothermal Phenomena
8 ITMP3 / 8éme conférence internationale de photoacoustique et photothermique
J. Phys. IV France 04 (1994) C7-473-C7-476
DOI: 10.1051/jp4:19947110
1 URA 1173 du CNRS, Institut de Physique Biologique, Faculté de Médecine, 67085 Strasbourg cedex, France
2 Institute of Experimental Physics, University of Gdansk, 80-952 Gdansk, Poland
© EDP Sciences 1994
8 ITMP3 / 8éme conférence internationale de photoacoustique et photothermique
J. Phys. IV France 04 (1994) C7-473-C7-476
DOI: 10.1051/jp4:19947110
Photoacoustic and photothermal detection of photosensitized oxygenations
P. Poulet1, A. Salnick1, J. Szurkowski2 and J. Chambron11 URA 1173 du CNRS, Institut de Physique Biologique, Faculté de Médecine, 67085 Strasbourg cedex, France
2 Institute of Experimental Physics, University of Gdansk, 80-952 Gdansk, Poland
Abstract
Study of relaxation processes of excited states of hematoporphyrin IX (HP) solutions (in ethanol and methanol) in the presence of tetramethyl ethylene chemical acceptor using both the photoacoustic (PA) - microphone - and photothermal (PT) - PZT - detection, is described. A significant difference between PA and PT signal behaviour has been observed when extremely low (down to 1.25 µM, PT measurements) and high (up to 2.5 mM, PA measurements) concentrations of sensitizer were used.
© EDP Sciences 1994