Author/Authors :
Kele، نويسنده , , Péter and Orbulescu، نويسنده , , Jhony and Calhoun، نويسنده , , Tiffany L and Gawley، نويسنده , , Robert E and Leblanc، نويسنده , , Roger M، نويسنده ,
Abstract :
Two novel fluorescent chemosensors in which an aza-crown is linked to 4-coumaryl fluorophores by a methylene spacer have been synthesized for sensing saxitoxin. Fluorescence enhancement was observed upon binding of the dicationic toxin molecule, whereas several metal ions produced no effect.