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Development of intelligent devices (electronic noses and tongues) using electrochemical, colorimetric and mass measurements aiming to the discrimination of forensic and food samples


Currently the development of smart sensors, such as electronic noses and tongues, has gained importance in Analytical Chemistry and it is attracting great interest from several companies in the food, pharmaceutical and environmental sectors. However, as a recent area of research there is much to be done regarding the development of new sensors and combination of different techniques to extract information aiming to discriminate different samples using chemometric tools. In this context, this project aims to develop new electronic noses and tongues using information extracted from different instrumental techniques: electrochemical, colorimetric and mass (quartz crystal microbalance) to discriminate forensic and food samples. To this end, electronic tongues and noses will be develop always taking into account that the methodology is easily spread, reproducible and inexpensive, such as the construction of intelligent devices using paper for the colorimetric detection. (AU)

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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)
BUENO, LIGIA; MELONI, GABRIEL N.; REDDY, SUBRAYAL M.; PAIXAO, THIAGO R. L. C.. Use of plastic-based analytical device, smartphone and chemometric tools to discriminate amines. RSC ADVANCES, v. 5, n. 26, p. 20148-20154, . (11/23355-3, 12/12106-5)
DE ARAUJO, WILLIAM R.; MALDANER, ADRIANO O.; COSTA, JOSE L.; PAIXAO, THIAGO R. L. C.. Development of an electroanalytical method for the quantification of aminopyrine in seized cocaine samples. Microchemical Journal, v. 121, p. 213-218, . (12/12106-5, 11/19903-5)
DE ARAUJO, W. R.; PAIXAO, T. R. L. C.. Fabrication of disposable electrochemical devices using silver ink and office paper. ANALYST, v. 139, n. 11, p. 2742-2747, . (12/12106-5, 11/19903-5)
DA SILVA, IRANALDO S.; DE ARAUJO, WILLIAM R.; PAIXAO, THIAGO R. L. C.; ANGNES, LUCIO. Direct nitrate sensing in water using an array of copper-microelectrodes from flat flexible cables. SENSORS AND ACTUATORS B-CHEMICAL, v. 188, p. 94-98, . (12/12106-5)
SALLES, M. O.; MELONI, G. N.; DE ARAUJO, W. R.; PAIXAO, T. R. L. C.. Explosive colorimetric discrimination using a smartphone, paper device and chemometrical approach. ANALYTICAL METHODS, v. 6, n. 7, p. 2047-2052, . (12/12106-5, 11/19903-5, 11/11115-8)
BUENO, LIGIA; EL-SHARIF, HAZIM F.; SALLES, MAIARA O.; BOEHM, RYAN D.; NARAYAN, ROGER J.; PAIXAO, THIAGO R. L. C.; REDDY, SUBRAYAL M.. MIP-based electrochemical protein profiling. SENSORS AND ACTUATORS B-CHEMICAL, v. 204, p. 88-95, . (11/23355-3, 12/12106-5)
JUNQUEIRA, JOAO R. C.; DE ARAUJO, WILLIAM R.; SALLES, MAIARA O.; PAIXAO, THIAGO R. L. C.. Flow injection analysis of picric acid explosive using a copper electrode as electrochemical detector. Talanta, v. 104, p. 162-168, . (12/12106-5, 11/19903-5, 11/11115-8)
GUIMARAES SELVA, THIAGO MATHEUS; DE ARAUJO, WILLIAM REIS; LONGO CESAR DA PAIXAO, THIAGO REGIS. Non-Invasive Salivary Electrochemical Quantification of Paraquat Poisoning Using Boron Doped Diamond Electrode. Electroanalysis, v. 27, n. 7, p. 1642-1648, . (12/12106-5, 11/19903-5)

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