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Conferences > ECBO > 2003 > PS > 5139_223

Novel Efficient and Stable Heteroaromatic Two-Photon Absorbing Dyes

Alessandro Abbotto, Luca Beverina, Giorgio A. Pagani, Maddalena Collini, Giuseppe Chirico, Laura D'Alfonso, and Giancarlo Baldini

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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.

© 2003 SPIE

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