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Wireless electrochemical sensors based screen-printed electrodes modified with metallic nanopores for determination of flavonoids in wastes of the citrus industry

Grant number: 18/12131-6
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Effective date (Start): February 01, 2019
Effective date (End): January 31, 2024
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal Investigator:Maria Valnice Boldrin
Grantee:Maísa Azevedo Beluomini
Host Institution: Instituto de Química (IQ). Universidade Estadual Paulista (UNESP). Campus de Araraquara. Araraquara , SP, Brazil
Associated research grant:14/50945-4 - INCT 2014: National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactivies, AP.TEM
Associated scholarship(s):20/01822-8 - Benchtop fabrication of microgap sensor based on carbon nanomaterials for selective detection of flavonoids, BE.EP.PD


The waste water of the citrus industry is considered a high polluting agent due to its rich organic composition. On the other hand, the rapid and efficient control of these compounds in industrial processes is of high relevance for the evaluation of the reuse of biomass for more economic, strategic and environmentally friendly purposes. In this context, electrochemical sensors based on imprinted electrodes can be an alternative with reliable, fast, easy to handle and low cost responses, as they allow the development of more robust methods with high performance, portability and contaminant free surfaces. Thus, this project aims to develop electrochemical sensors based on imprinted electrodes modified with nanoporous metal materials for determination of flavonoids hesperidin, narirutine, sinensitin and naringenin. The oxidation of these analytes on the sensors of high electrical conductivity and electrocatalytic activity will provide high sensitivity and selectivity of these flavonoids in wastes of the citrus industry. In addition, it is intended to combine the portability of these sensors with the wireless communication, through the development of platforms that will allow to collect, process and send the data via wi-fi to a smartphone/laptop, aiming the application in the field and in real time, through intelligent devices, with low power consumption and robust.

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Scientific publications (8)
(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)
THIAGO M. MARIANO; MAÍSA A. BELUOMINI; NELSON R. STRADIOTTO. Molecularly Imprinted Polypyrrole on Glassy Carbon Electrode Modified with Reduced Graphene Oxide and Gold Nanoparticles for Isoamyl Alcohol Analysis in Fusel Oil. Journal of the Brazilian Chemical Society, v. 32, n. 2, p. 249-259, . (18/12131-6)
ALVES, ISMAEL CARLOS BRAGA; DOS SANTOS, JOSE RIBAMAR NASCIMENTO; MARQUES, EDMAR PEREIRA; SOUSA, JANYEID KARLA CASTRO; BELUOMINI, MAISA AZEVEDO; STRADIOTTO, NELSON RAMOS; MARQUES, ALDALEA LOPES BRANDES. Electrochemical sensor based on carbon nanotube decorated with manganese oxide nanoparticles for naphthalene determination. Analytical Sciences, v. N/A, p. 12-pg., . (18/12131-6, 17/22401-8)
DA SILVA, JOSE LUIZ; BUFFON, EDERVALDO; BELUOMINI, MAISA AZEVEDO; PRADELA-FILHO, LAURO ANTONIO; GOUVEIA ARAUJO, DIELE APARECIDA; SANTOS, ANDRE LUIZ; TAKEUCHI, RGINA MASSAKO; STRADIOTTO, NELSON RAMOS. Non-enzymatic lactose molecularly imprinted sensor based on disposable graphite paper electrode. Analytica Chimica Acta, v. 1143, p. 53-64, . (19/13818-8, 17/25329-6, 18/12131-6)
BARTILOTTI, MARIANA; BELUOMINI, MAISA AZEVEDO; BOLDRIN ZANONI, MARIA VALNICE. Using an Electrochemical MIP Sensor for Selective Determination of 1-Naphthol in Oilfield Produced Water. Electroanalysis, v. 33, n. 5, . (18/12131-6, 14/50945-4)
BELUOMINI, MAISA AZEVEDO; STRADIOTTO, NELSON RAMOS; BOLDRIN, MARIA VALNICE. Electrosynthesis of three-dimensional nanoporous nickel on screen-printed electrode used for the determination of narirutin in citrus wastewater. Food Chemistry, v. 353, . (18/12131-6, 17/22401-8, 14/50945-4)
BELUOMINI, MAISA AZEVEDO; STRADIOTTO, NELSON RAMOS; BOLDRIN ZANONI, MARIA VALNICE. Simultaneous detection of hesperidin and narirutin in residual water using nanoporous platinum electrosynthesized by alloying-dealloying mechanism. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, v. 904, . (14/50945-4, 17/22401-8, 18/12131-6)
DA SILVA, MATEUS PAULA; BELUOMINI, MAISA AZEVEDO; DE FREITAS, CAROLINA; BRIENZO, MICHEL; STRADIOTTO, NELSON RAMOS. Electrochemical detection of xylobiose in banana biomass using a 3D porous copper oxide foam electrode modified with a molecularly imprinted Poly-L-arginine film. Journal of Food Composition and Analysis, v. 124, p. 10-pg., . (18/12131-6, 21/02550-4, 17/22401-8)
MODENES JUNIOR, MARCO ANTONIO; BELUOMINI, MAISA AZEVEDO; STRADIOTTO, NELSON RAMOS. Voltammetric determination of sulfur in biodiesel microemulsion using a silver solid amalgam electrode. ANALYTICAL METHODS, v. 14, n. 36, p. 9-pg., . (17/22401-8, 11/05633-6, 14/50945-4, 18/12131-6)

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