2019-05-212019-03-22SOARES, Leonardo Carvalho. Desenvolvimento de um sistema para determinação de glicose usando análise por injeção em batelada assistida por fotoeletroquímica. 2019. 81 f. Dissertação (Programa de Pós-Graduação em Química/CCET) - Universidade Federal do Maranhão, São Luis.https://tedebc.ufma.br/jspui/handle/tede/tede/2683This work describes the development of a novel method for glucose detection exploiting a photoelectrochemical-assisted batch injection analysis cell designed and constructed with aid of 3D printer technology. The PEC-BIA cell was coupled to a LED lamp in order to control the incidence of light on the Cu2O/Ni(OH)2/FTO photoelectro-active platform. The electrochemical characteristics of Cu2O/Ni(OH)2/FTO photoelec-troactive platform were evaluated by cyclic voltammetry, amperometry and electro-chemical impedance spectroscopy. The PEC-BIA cell presented linear response range, limit of detection and sensitivity of 1 – 1000 μmol L-1, 0.59 mol L-1 and 0.578 A L mol-1, respectively. The PEC-BIA method has presented a mean value of the recovery values of 97.0 % to 102.0% when it was applied to glucose determination in artificial blood plasma samples which indicates the promising performance of the proposed sys-tem to determine glucose.application/pdfAcesso AbertoSensor fotoeletroquímicoGlicoseAnálise por injeção em bateladaÓxido cuproso (Cu2O)Hidróxido de Níquel (Ni(OH)2)Photoelectrochemical sensorGlucoseBatch injection analysisCuprous oxide (Cu2O)Nickel Hydroxide (Ni(OH)2)QuímicaDissertação