Tipos de biomarcadores (marcadores moleculares) para avaliação da matéria orgânica

  • Ligia Macabu Ribas
Palavras-chave: Biomarcadores, Matéria orgânica, Diagênese

Resumo

Os biomarcadores são compostos específicos característicos de determinados organismos, cuja identificação em ambientes naturais permite inferências sobre a origem e os processos de evolução da matéria orgânica. São moléculas orgânicas que podem ser estruturalmente relacionadas a uma fonte biológica, um processo biogeoquímico ou fonte geográfica específica. Os marcadores geoquímicos fornecem informações sobre fonte, mecanismos de transporte, alterações e sedimentação da matéria orgânica. Além disso, os traçadores geoquímicos devem ser estáveis durante a diagênese e de fácil detecção em amostras ambientais. Neste contexto, este trabalho tem como objetivo mostrar o uso de diferentes moléculas orgânicas utilizadas para a identificação da matéria orgânica.

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Biografia do Autor

Ligia Macabu Ribas
Doutoranda do Curso de Pós-Graduação em Ecologia e Recursos Naturais da Universidade Estadual do Norte Fluminense - UENF. Centro de Biociências e Biotecnologia. Laboratório de Ciências Ambientais. Av. Alberto Lamego, 2000, Parque Califórnia, CEP 28013-600, Campos dos Goytacazes, RJ, Brasil. E-mail: ligiamribas@yahoo.com.br.

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Publicado
27-04-2012
Como Citar
RIBAS, L. M. Tipos de biomarcadores (marcadores moleculares) para avaliação da matéria orgânica. Revista Vértices, v. 14, n. 1, p. 103-119, 27 abr. 2012.
Seção
Artigos Originais