4 documents found, page 1 of 1
An electrochemically synthesized molecularly imprinted polymer for highly selec...
Oliveira, Daniela; Barcelay, Yonny Romaguera; Moreira, Felismina T. C.In this study, a molecularly imprinted polymer film (MIP) was prepared on the surface of a disposable carbon screen-printed electrode (C-SPE) using (3-acrylamidopropyl)trimethylammonium chloride (AMPTMA) as a functional monomer and the cancer biomarker carbohydrate antigen 15-3 (CA 15-3) as a template. The MIP was synthesized by in situ electropolymerization (ELP) of the AMPTMA monomer in the presence of the CA...
Molecularly imprinting for ca 15-3 protein detection: a promising biosensor for...
Oliveira, Daniela; Barcelay, Yonny Romaguera; Moreira, Felismina(Introduction) Cancer is a public health problem worldwide. Early detection is crucial to improve survival rates [1]. Non-invasive, fast rapid, and low-cost diagnostic methods are urgently needed. Biosensors are a promising alternative to traditional methods such as ELISA, enabling point-ofcare (PoC) analyses. These require biorecognition elements with high selectivity and stability to meet current requirements...
Liquid Redox Probe-Free Plastic Antibody Development for Malaria Biomarker Reco...
Glória, Juliane Corrêa; Oliveira, Daniela S.; Gandarilla, Ariamna Dip; Barcelay, Yonny Romaguera; Mariúba, Luis André Morais; Nogueira, Paulo AfonsoMalaria is a major public health challenge worldwide and requires accurate and efficient diagnostic methods. Traditional diagnostic approaches based on antigen–antibody interactions are associated with ethical and economic concerns. Molecularly imprinted polymers (MIPs) offer a promising alternative by providing a complementary polymer structure capable of selectively binding target molecules. In this study, we...
Poly(thionine)-modified screen-printed electrodes for CA 19-9 detection and its...
Castaño-Guerrero, Yuselis; Barcelay, Yonny Romaguera; Moreira, Felismina Teixeira Coelho; Brito, Walter Ricardo; Fortunato, ElviraPolythionine (PTH) is an electroactive compound known for its excellent electron transfer capacity. It has stable and redox centers in its structure, and it can also be generated by electropolymerization of thionine (TH). Due to its properties, it has been used in a large number of applications, including the construction of electrochemical biosensors. In this work, PTH is explored for its ability to generate e...