Photochemically generated stable cation radical of phenothiazine aggregates in mildly acid buffered solutions - Rodrigues, Tiago; Santos, Carolina Gregorutti dos; Riposati, Alessandra; Di Mascio, Paolo; Itri, Rosangela; Baptista, Maurício da Silva; Nascimento, Otaciro Rangel; Nantes, Iseli Lourenço (Journal of Physical Chemistry B, 2006)