Biosensing hydrogen peroxide utilizing carbon paste electrodes containing peroxidases naturally immobilized on coconut (Cocus nucifera L.) fibers - Kozan, João Victor Bueno; Silva, Robson Pinho da; Serrano, Silvia Helena Pires; Lima, Antonio William Oliveira; Angnes, Lúcio (Analytica Chimica Acta, 2007)