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https://www.arca.fiocruz.br/handle/icict/42556
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Embargo date
2022-01-01
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- IOC - Artigos de Periódicos [12596]
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METALLOTHIONEIN DETERMINATION CAN BE APPLIED TO LEARN ABOUT AQUATIC METAL POLLUTION AND OXIDATIVE STRESS DETOXIFICATION MECHANISMS THROUGH PROBLEM-BASED LEARNING
Contaminação por metais
Aprendizagem baseada em problemas
Glutationa reduzido
Metalotioneína
Metal contamination
Metallothionein
Problem-based learning
Reduced glutathione
Affilliation
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Avaliação e Promoção da Saúde Ambiental. Rio de Janeiro, RJ, Brasil.
Instituto Federal do Rio de Janeiro. Campus Mesquita, Rio de Janeiro, Brasil / Instituto de Educação da Universidade de Lisboa. Lisboa, Portugal.
Instituto de Educação da Universidade de Lisboa. Lisboa, Portugal / Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Comunicação Celular. Rio de Janeiro, RJ, Brasil.
Instituto Federal do Rio de Janeiro. Campus Mesquita, Rio de Janeiro, Brasil / Instituto de Educação da Universidade de Lisboa. Lisboa, Portugal.
Instituto de Educação da Universidade de Lisboa. Lisboa, Portugal / Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Comunicação Celular. Rio de Janeiro, RJ, Brasil.
Abstract
A simple, repeatable and inexpensive laboratory practice applied to teach and
discuss aquatic metal pollution and oxidative stress detoxification mechanisms
through biomarker analyses, as well as important ecotoxicology concepts, is
presented herein. It has been implemented in a university in Brazil to both
undergraduate and Master's and PhD students, indicating usefulness to all
these levels. Students learned to detect metallothionein and reduced glutathione concentrations in biological samples and investigate several variables of
interest in biomonitoring assessments. In addition, statistical correlations were
used to indicate the potential dual role played by MT in aquatic organisms, allowing for biological inferences regarding both aquatic metal pollution and oxidative stress detoxification mechanisms and maturing of ecotoxicological and
biomonitoring concepts discussed and presented both theoretically and integrated to the laboratory findings.
Keywords in Portuguese
EcotoxicologiaContaminação por metais
Aprendizagem baseada em problemas
Glutationa reduzido
Metalotioneína
Keywords
EcotoxicologyMetal contamination
Metallothionein
Problem-based learning
Reduced glutathione
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