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Manuel Curitol, Xavier Ragas, Santi Nonell, Nancy Pizarro, María V. Encinas, Pedro Rojas, Renzo P. Zanocco, Else Lemp, Germán Günther and Antonio L. Zanocco Solvent and Media Effects on the Photophysics of Naphthoxazole Derivatives Photochemistry and Photobiology 89

Version of Record online: 19 AUG 2013 | DOI: 10.1111/php.12133

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The photophysical properties of 2-phenyl-naphtho[1,2-d][1,3]oxazole, 2(4-N,N-dimethylaminophenyl)naphtho[1,2-d][1,3]oxazole and 2(4-N,N-diphenylaminophenyl) naphtho[1,2-d][1,3]oxazole, were studied in a serie of solvents. The dyes show valuable spectroscopic and photochemical properties: large molar absorbility and fluorescence quantum yield, short fluorescence lifetime,solvent-dependent changes of the dipole moment on excitation and photostability comparableto commercially available laser dyes.These properties make the molecules valuable candidates as fluorescent probes to be used in fluorescence microscopy and to determine physicochemical properties in micro-organized systems.

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