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Analytical potencialities of lignin derivatives from Kraft pulping (black liquors): extraction of heavy metals and development of voltammetric sensors

Grant number: 09/18223-0
Support type:Regular Research Grants
Duration: March 01, 2010 - February 29, 2012
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal researcher:Silvia Helena Pires Serrano
Grantee:Silvia Helena Pires Serrano
Home Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil


Lignin derivatives, obtained from Black liqueur, will be used to prepare columns for adsorption of heavy metals from solutions of our under graduation laboratories. Due the polymeric characteristics of this material, which presents superficial functionalities such as phenol and carboxylic groups, it also will be used to produce chemically modified electrodes beyond active carbon. The last one will be used to prepare carbon paste and carbon paste modified electrodes. Eletroanalytical applications include detection of metals and characterization of the electrochemical behaviour of drugs with antipsychotic properties and their interaction with neurotransmitters. (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)
DE OLIVEIRA, FERNANDO C. M.; SERRANO, SILVIA H. P. Electrochemically Active L-Cysteine Gold Modified Electrodes. Electrochimica Acta, v. 125, p. 566-572, APR 10 2014. Web of Science Citations: 1.
BUORO, RAFAEL M.; BACIL, RAPHAEL P.; DA SILVA, ROBSON P.; DA SILVA, LUIS C. C.; LIMA, ANTONIO W. O.; COSENTINO, IVANA C.; SERRANO, SILVIA H. P. Lignin-AuNp modified carbon paste electrodes-Preparation, characterization, and applications. Electrochimica Acta, v. 96, p. 191-198, APR 30 2013. Web of Science Citations: 10.

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