Rational design of a new fluorescent 'ON/OFF' xanthene dye for phosphate detection in live cells. - Martínez-Peragón A; Miguel D; Orte A; Mota AJ; Ruedas-Rama MJ; Justicia J; Alvarez-Pez JM; Cuerva JM; Crovetto L (Organic & biomolecular chemistry, 2014)