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Poly (butylene adipate-co-terephthalate) (PBAT) and carbon materials composite used in the development of flexible and biodegradable electrochemical devices


This project aims to study and to develop accessible electrochemical sensors, with flexible, biodegradable characteristics and low consumption of organic solvents using the PBAT polymer and carbon materials such as graphite and carbon dots. The manufactured sensors will be extensively characterized by microscopy, in order to verify the morphology, and using electrochemical, spectroscopic, and diffractometric techniques to better understand the morphological and physicochemical properties of the formed composite and correlate with the electrochemical performance. These techniques aim to characterize the material and its interactions with carbon materials. Surface plasmon resonance (SPR) spectroscopy will also be used to characterize secondary interactions between the materials and the analyte. Such sensors will be applied to analyze parabens in samples of environmental and cosmetic origin, and the results will be compared with other methods already developed by our group that used self-assembled polypyrrole films and magnetite nanoparticles deposited on ITO substrates. In a second step, the modification of these surfaces will be done using the self-assembly technique to study the effects of nanostructured films in order to improve sensitivity, selectivity, and catalytic effects using a low-cost, flexible and biodegradable arrangement. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MACIEL, CRISTIANE C.; DE BARROS, ANERISE; MAZALI, ITALO ODONE; FERREIRA, MARYSTELA. Flexible biodegradable electrochemical sensor of PBAT and CNDs composite for the detection of emerging pollutants. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, v. 940, p. 12-pg., . (20/12659-0, 14/50869-6)
DE LIMA, LUCAS FELIPE; FERREIRA, ANDRE LOPES; DE FREITAS, AMANDA DE SOUSA MARTINEZ; RODRIGUES, JESSICA DE SOUZA; LEMES, ANA PAULA; FERREIRA, MARYSTELA; DE ARAUJO, WILLIAM REIS. Biodegradable and Flexible Thermoplastic Composite Graphite Electrodes: A Promising Platform for Inexpensive and Sensitive Electrochemical Detection of Creatine Kinase at the Point-of-Care. ACS APPLIED MATERIALS & INTERFACES, v. 15, n. 15, p. 13-pg., . (20/12659-0, 16/19387-0, 19/02692-3, 22/03250-7, 18/08782-1, 18/04061-8)

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