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Development of voltammetric sensors to determine cocaine seized samples

Grant number: 16/10553-5
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2016
Effective date (End): July 31, 2017
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal Investigator:Marcelo Firmino de Oliveira
Grantee:Juliana Magalhães
Host Institution: Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCLRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil


This project is proposed the development of voltammetry sensors for the determination of cocaine police seized samples. Therefore, it is proposed to develop microfluidic devices (papertrodos) and the study in printed carbon electrode and conventional glassy carbon electrode. The voltammetry cocaine study will be conducted in unmodified electrode, and their surfaces modified with vanadium hex cyanoferrate . Subsequently will be performed the analyzes in seized samples will also be checked as the selectivity and specificity front cocaine to its major interfering: lidocaine, procaine, caffeine and theobromine. Finally, as a comparison of the proposed technique will be performed analysis by high-performance liquid chromatography.

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