CT - TCC - Engenharia de Materiais
URI Permanente para esta coleçãohttps://repositorio.ufrn.br/handle/123456789/33189
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Navegando CT - TCC - Engenharia de Materiais por Autor "0000-0002-9216-8593"
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TCC Desenvolvimento de método baseado em voltametria cíclica para detecção de antígenos e anticorpos como uma nova estratégia para o diagnóstico de sífilis(Universidade Federal do Rio Grande do Norte, 2022-12-03) Barros, Gabriel Machado da Costa; Valentim, Ricardo Alexsandro de Medeiros; Silva, Bismarck Luis; http://lattes.cnpq.br/4377238190630005; 0000-0002-9216-8593; http://lattes.cnpq.br/3181772060208133; 0000-0003-1156-7953; https://lattes.cnpq.br/8133703626005246; Lima, Leonardo Judson Galvão de; 0000-0002-4860-9734; http://lattes.cnpq.br/6619101893924702; Cruz, Agnaldo Sousa; http://lattes.cnpq.br/9065162603161455; Sales-moioli, Ana Isabela Lopes; 0000-0001-9212-2344; http://lattes.cnpq.br/6500167286722532; Carvalho, Dionísio Dias Alves de; 0000-0003-2478-5474; http://lattes.cnpq.br/7420974654158099The improvement of laboratory diagnosis is a critical step for the reduction of syphilis cases around the world. In this paper, we present the development of an impedance-based method for detecting T. pallidum antigens and antibodies as an auxiliary tool for syphilis laboratory diagnosis. We evaluate the voltammetric signal obtained after incubation in carbon or gold nanoparticles modified carbon electrodes in the presence or absence of Poly-L-Lysine. Our results indicate that the signal obtained from the electrodes was sufficient to distinguish between infected and non-in- fected samples immediately (T0’) or 15 minutes (T15’) after incubation, indicating its potential use as a point-of-care method as a screening strategy.