Navegando por Assunto Humic Substance

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2014Chemical analysis and molecular models for calcium-oxygen-carbon interactions in black carbon found in fertile amazonian anthrosoilsArchanjo, Bráulio Soares; Araújo, Joyce R.; Silva, Alexander M.; Capaz, Rodrigo B.; Falcão, Newton P.S.; Jório, Ado; Achete, Carlos Alberto
2015A classification of the major habitats of Amazonian black-water river floodplains and a comparison with their white-water counterpartsJunk, Wolfgang Johannes; Wittmann, Florian Karl; Schöngart, Jochen; Piedade, Maria Teresa Fernandez
2006Humic substances and crude oil induce cytochrome P450 1A expression in the amazonian fish species Colossoma macropomum (tambaqui)Matsuo, Aline Y.O.; Woodin, Bruce R.; Reddy, Christoper M.; Val, Adalberto Luis; Stegeman, John J.
2003Protection by natural blackwater against disturbances in ion fluxes caused by low pH exposure in freshwater stingrays endemic to the Rio NegroWood, Chris M.; Matsuo, Aline Y.O.; Wilson, Rod W.; Gonzalez, Richard J.; Patrick, Marjorie L.; Playle, Richard C.; Val, Adalberto Luis
2000Reduction of mercury(II) by tropical river humic substances (Rio Negro) - A possible process of the mercury cycle in BrazilRocha, Júlio César; Junior, Ézio Sargentini; Zara, Luiz Fabrício; Rosa, André Henrique; dos Santos, Ademir Bernardo; Burba, Peter
2003Reduction of mercury(II) by tropical river humic substances (Rio Negro) - Part II. Influence of structural features (molecular size, aromaticity, phenolic groups, organically bound sulfur)Rocha, Júlio César; Sargentini, Ézio; Zara, Luiz Fabrício; Rosa, André Henrique; dos Santos, Ademir Bernardo; Burba, Peter
2016The size distribution of organic carbon in headwater streams in the Amazon basinPaula, Joana D’Arc de; Luizão, Flávio Jesus; Piedade, Maria Teresa Fernandez