Listar por tema "X ray fluorescence"

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  • The association of microbial activity with Fe, S and trace element distribution in sediment cores within a natural wetland polluted by acid mine drainage 
    Aguinaga Vargas, Oscar Enrique; Wakelin, James F. T.; White, Keith N.; Dean, Andrew P.; Pittman, Jon K. (Elsevier, 2019)
    Natural recovery and remediation of acid mine drainage (AMD) reduces the generation of acidity and transport of trace elements in the runoff. A natural wetland that receives and remediates AMD from an abandoned copper mine ...
  • Five hundred years of mercury exposure and adaptation. 
    Lombardi, Guido; Lanzirotti, Antonio; Qualls, Clifford; Socola, Francisco; Ali, Abdul-Mehdi; Appenzeller, Otto (Hindawi, 2012)
    Mercury is added to the biosphere by anthropogenic activities raising the question of whether changes in the human chromatin, induced by mercury, in a parental generation could allow adaptation of their descendants to ...
  • Role of metal ions on the activity of Mycobacterium tuberculosis pyrazinamidase 
    Sheen Cortavarria, Patricia; Ferrer, P.; Gilman, Robert Hugh; Christiansen, G.; Moreno-Román, P.; Gutiérrez, A.H.; Sotelo, J.; Evangelista, W.; Fuentes, P.; Rueda, D.; Flores, M.; Olivera, P.; Solis, J.; Pesaresi, A.; Lamba, D.; Zimic-Peralta, Mirko Juan (American Society of Tropical Medicine and Hygiene, 2012)
    Pyrazinamidase of Mycobacterium tuberculosis catalyzes the conversion of pyrazinamide to the active molecule pyrazinoic acid. Reduction of pyrazinamidase activity results in a level of pyrazinamide resistance. Previous ...

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