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Marappan Velusamy, Jiun-Yi Shen, Jiann T. Lin, Yi-Chih Lin, Cheng-Chih Hsieh, Chin-Hung Lai, Chih-Wei Lai, Mei-Lin Ho, Yu-Chun Chen, Pi-Tai Chou and Jong-Kai Hsiao A New Series of Quadrupolar Type Two-Photon Absorption Chromophores Bearing 11, 12-Dibutoxydibenzo[a,c]-phenazine Bridged Amines; Their Applications in Two-Photon Fluorescence Imaging and Two-Photon Photodynamic Therapy Advanced Functional Materials 19

Version of Record online: 8 JUL 2009 | DOI: 10.1002/adfm.200900125

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New quadrupolar type two-photon absorption chromophores bearing an arylamine-dibenzo[a,c]phenazine-arylamine motif exhibit large 2PA cross sections as measured by the two-photon induced fluorescence and Z-scan methods. They are water soluble due to incorporation in silica nanoparticles. The potential applications of these chromophores in two-photon fluorescence imaging and two-photon photodynamic therapy are demonstrated.

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