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  1. No Access

    Article

    A novel inhibitory interaction between dimethylsulfoniopropionate (DMSP) and the denitrification pathway

    Dimethylsulfoniopropionate (DMSP) is an abundant organic sulfur compound in marine algae and denitrification influences nitrogen availability to primary producers, the key regulators of coastal eutrophication....

    C. Magalhães, R. P. Kiene, A. Buchan, A. Machado, C. Teixeira… in Biogeochemistry (2012)

  2. No Access

    Article

    Arsenic Speciation in Transplanted Lichens and Tree Bark in the Framework of a Biomonitoring Scenario

    Arsenic and its chemical species were determined in transplanted lichens (Parmelia caperata) and tree bark (Platanus hybrida), in order to get a better understanding of their atmospheric cycling and the suitabili...

    A Machado, Z Šlejkovec, J. T. Van Elteren… in Journal of Atmospheric Chemistry (2006)

  3. No Access

    Article

    Relative Response of Biological and Non-Biological Monitors in a Coastal Environment

    A field study was carried out in the spring and summer of 2003 (2 months each), to assess the efficiency of alternative exposure modes of biological monitors – lichen biomass and tree-bark biomass – together w...

    A. Machado, M. C. Freitas, A. M. G. Pacheco in Journal of Atmospheric Chemistry (2004)