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Publicaciones > Bosch et al
A new family of fluorescent pyridazinobenzimidazolium cations with DNA binding properties.
1. Departamento de Química Orgánica y Química Inorgánica, Universidad de Alcalá, 28871, Alcalá de Henares, Madrid, Spain. 2. Departamento de Química Analítica, Química Física e Ingeniería Química, 28805, Alcalá de Henares, Madrid, Spain. 3. Departamento de Biología de Sistemas, Instituto de Investigación Química “Andrés M. Del Río” (IQAR), Universidad de Alcalá, IRYCIS, 28805, Alcalá de Henares, Madrid, Spain. 4. Departamento de Química Orgánica y Química Inorgánica, 28805, Alcalá de Henares, Madrid, Spain.
Abstract
A series of novel azonia aromatic heterocycles formed by a pyridazinobenzimidazolium system has been synthesized. Spectrofluorimetric and circular dichroism measurements, as well as theoretical simulations for these materials, have shown their interesting fluorescence properties and DNA-binding ability. Stoichiometries and binding constants were obtained by fluorescence and the induced circular dichroism spectra analysis. Moreover, the potential of these compounds for cell staining has been investigated in living HeLa cells by confocal microscopy imaging.
