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9 October 2003 Novel efficient and stable heteroaromatic two-photon absorbing dyes
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Abstract
The synthesis and characterization of novel heteroaromatic-based two-photon absorption (TPA) dyes for bio-conjugation is described; the new isothiocyanate and maleimide derive from a class of novel efficient quadrupolar and octupolar/branched chromophores relying on the electronic effects of electron-poor and electron-rich simple heteroaromatic rings; the new systems exhibit very large TPA cross-sections, high chemical stability, and very low photobleaching.
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Alessandro Abbotto, Luca Beverina, Giorgio A. Pagani, Maddalena Collini, Giuseppe Chirico, Laura D'Alfonso, and Giancarlo Baldini "Novel efficient and stable heteroaromatic two-photon absorbing dyes", Proc. SPIE 5139, Confocal, Multiphoton, and Nonlinear Microscopic Imaging, (9 October 2003); https://doi.org/10.1117/12.500564
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