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Study on microbial activity in bioremediation of heavy metals in Amazon area

Grant number: 12/06600-7
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): September 01, 2012
Effective date (End): August 29, 2016
Field of knowledge:Interdisciplinary Subjects
Principal Investigator:Claudio Augusto Oller do Nascimento
Grantee:Ingrid Regina Avanzi
Host Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:08/57708-7 - CEPEMA-USP, AP.TEM
Associated scholarship(s):15/05077-7 - Investigation of annaerobic copper-resistant microorganisms, BE.EP.DR


Recently, technological development has been resulted in an industrial growth and has been creating serious environmental problems as concern worldwide. Heavy metals have received special attention among many others contaminants, because their persistence in ecosystems and their capability of accumulation throughout the food chain (even in low amounts). The industrial sector causes heavy metals' introduction in the environment and doesn't treat property wastewaters. Environmental legislation in Brazil has very strict standards regarding discharge of heavy metals contaminated water. For a successful treatment of such effluents, it is relevant to concern about new technologies more efficient and economics to allow the removal of metals heavy from contaminated environment. Since some time ago, microorganisms have been used for treatment (remediation) of organic waste and more recently, we started to consider its job for bioremediation of heavy metals. Today the treatment of contaminated area is carried out conventional technologies based on physicochemical principles, which are inefficient and uneconomical. Alternatively, a new technology, called bioremediation, is being more important due to the advantages it offers: simplicity, efficiency and low cost. Bioremediation may be a viable alternative for areas contaminated by heavy metals. It's needed to evaluate the use of resistant and effective microorganisms in removing the metal, because it's required to be selected organisms with favorable characteristics for the process. In this context, the aim of this project is isolating and characterizing microorganisms from a mining area located in state of Para, evaluating the mechanisms and strategies for using in the remediation of contaminated areas, in order to optimize its adsorb heavy metal ions ability and use these bacteria for bioremediation of mining effluents.

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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)
GRACIOSO, LOUISE HASE; GALLUZZI BALTAZAR, MARCELA PASSOS; AVANZI, INGRID REGINA; KAROLSKI, BRUNO; OLLER NASCIMENTO, CLAUDIO AUGUSTO; PERPETUO, ELEN AQUINO. Analysis of copper response in Acinetobacter sp. by comparative proteomics. METALLOMICS, v. 11, n. 5, p. 949-958, . (12/06600-7, 13/50218-2, 13/11020-2)
AVANZI, INGRID REGINA; GRACIOSO, LOUISE HASE; GALLUZZI BALTAZAR, MARCELA DOS PASSOS; KAROLSKI, BRUNO; PERPETUO, ELEN AQUINO; OLLER DO NASCIMENTO, CLAUDIO AUGUSTO. Rapid bacteria identification from environmental mining samples using MALDI-TOF MS analysis. Environmental Science and Pollution Research, v. 24, n. 4, p. 3717-3726, . (12/06600-7, 13/11020-2)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
AVANZI, Ingrid Regina. Study of microbial activity in bioremediation of toxic metals in Amazon Region. 2016. Doctoral Thesis - Universidade de São Paulo (USP). Instituto de Eletrotécnica e Energia (IEE/BT) São Paulo.

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