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Light-harvesting chromophores with metalated porphyrin cores for turned photosensitization of singlet oxygen via two-photon excited FRET. (M. A. Oar, W. R. Dichtel, J. M. Serin, J. M. J. Fréchet, J. E. Rogers, J. E. Slagle, P. A. Fleitz, L. S. Tan, T. Y. Ohulchanskyy, P. N. Prasad), Chem. Mater. 200618, 3682-3692.
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