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1 December 2000 Near-Infrared Two-Photon Excitation of Protoporphyrin IX: Photodynamics and Photoproduct Generation
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Abstract

The spectroscopy and photochemistry of protoporphyrin IX in ethanol and in Triton X-100 micelle solution have been examined using near-infrared two-photon excitation (TPE). TPE will allow photodynamic therapy with highly localized light dosage. We have determined that the photochemistry subsequent to TPE is very similar to that found for one-photon excitation. Moreover, the photoproducts observed possess very intense TPE fluorescence spectra, which allows their detection at low relative concentrations.

Rebecca L. Goyan and David T. Cramb "Near-Infrared Two-Photon Excitation of Protoporphyrin IX: Photodynamics and Photoproduct Generation," Photochemistry and Photobiology 72(6), 821-827, (1 December 2000). https://doi.org/10.1562/0031-8655(2000)072<0821:NITPEO>2.0.CO;2
Received: 29 September 2000; Accepted: 1 October 2000; Published: 1 December 2000
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