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Applications of highly boron-doped diamond electrodes: determination of reduction potentials of the pair RNO2 / RNO2·- for nitro composites in aqueous medium

Grant number: 06/01046-0
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): June 01, 2006
Effective date (End): December 31, 2006
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal Investigator:Silvia Helena Pires Serrano
Grantee:Marília Danielle Viana da Silva
Host Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil


Highly boron doped diamond electrodes will be used to determine, in aqueous medium, the reduction potential of the RNO2 / RNO2·- couple for a series of nitro compounds. The velocity constants for the interaction of the free radicals with molecular oxygen (kO2) will be also determined and used to evaluate the relative reactivity of each compound. Electrochemical data will be related with the respective biological activity, which will be determined by the Prof. Dr. Leoberto Costa Tavares´s group in the Faculdade de Ciências Farmacêuticas – USP. This project is related with the thematic one: “Antichagasic potential compounds derivative from nitro heterocyclic compounds”, FAPESP process number 2001/01192-3, coordinated by Profa. Dra. Elizabeth Igne Ferreira from Faculdade de Ciências Farmacêuticas – USP.

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