Amperometric sensor for glucose based on electrochemically polymerized tetraruthenated nickel-porphyrin - Quintino, Maria do Socorro Maia; Winnischofer, Herbert; Nakamura, Marcelo; Araki, Koiti; Toma, Henrique Eisi; Angnes, Lúcio (Analytica Chimica Acta, 2005)