Methylene blue-containing silica-coated magnetic particles: potential magnetic carrier for photodynamic therapy - Tada, Dayane B; Vono, Lucas Lucchiari Ribeiro; Duarte, Evandro L; Itri, Rosangela; Kiyohara, Pedro Kunihiko; Baptista, Maurício da Silva; Rossi, Liane Marcia (Langmuir, 2007)