SiO2/MPc/C e electrically conductive ceramic material (Pc: phthalocyanine, M=Mn(II), Co(II), Cu(II)) a new substrate for the preparation of electrochemical sensors and biosensors

Abstract

CAMPINAS 2013 Oxalic acid, dopamine, oxygen and nitriteOxalic acid naturally occurs in many plants (spinach, ginger, chocolate, etc) and combines with Ca, Fe, Na, Mg, or K to form less soluble salts known as oxalates. 95 High levels of these salts in the diet can lead to irritation of the digestive system, particularly of the stomach and kidneys. It is also known to contribute to