Strong enhancement of two-photon absorption properties in synergic 'semi-disconnected' multiporphyrin assemblies designed for combined imaging and photodynamic therapy. - Université de Rennes Accéder directement au contenu
Article Dans Une Revue Tetrahedron Letters Année : 2013

Strong enhancement of two-photon absorption properties in synergic 'semi-disconnected' multiporphyrin assemblies designed for combined imaging and photodynamic therapy.

Résumé

The synthesis and photophysical properties of new multiporphyrin assemblies are described. Their design, based on a smooth electronic disconnection between two-photon absorbing (2PA) octupolar or quadrupolar cores and the peripheral porphyrins, leads to a major increase in (non-resonant) 2PA responses in the NIR, while fully retaining the fluorescence and photosensitization properties of isolated porphyrins. This approach, which involves electronic coupling of semi-disconnected moieties in the higher excited states of the synergic systems, is of interest to fully benefit from the advantages of selective 2PA for application in combined two-photon high resolution imaging and photodynamic therapy.
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hal-00916343 , version 1 (10-12-2013)

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Olivier Mongin, Muniappan Sankar, Marina Charlot, Youssef Mir, Mireille Blanchard-Desce. Strong enhancement of two-photon absorption properties in synergic 'semi-disconnected' multiporphyrin assemblies designed for combined imaging and photodynamic therapy.. Tetrahedron Letters, 2013, 54 (48), pp.6474-6478. ⟨10.1016/j.tetlet.2013.09.076⟩. ⟨hal-00916343⟩
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