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Mineralogical control on arsenic release during sediment water interaction in abandoned mine wastes from the Argentina Puna.
(Elsevier Science, 2016-04)
The sulfide-rich residues of La Concordia mine, Argentina Puna, are accumulated in tailing dams that remainedexposed to the weathering agents for almost 30 years. In such period of time, a complex sequence of redoxand ...
CO2MOVE Project: The New Brazilian Field Lab Fully Dedicated to CO2 MMV Experiments
(2017-01-01)
After the Ressacada Project experience acquired from 2011 to 2015 when PUCRS, UNESP and other institutions conducted three controlled CO2 release experiments, PETROBRAS, the national oil company that is sponsoring the ...
Nanosilver toxicity in gills of a neotropical fish: Metal accumulation, oxidative stress, histopathology and other physiological effects
(Elsevier Science, 2018-02)
The widespread and increasing use of silver nanoparticles (AgNP) as biocide results in an unknown release into the aquatic environment. In order to contribute to the understanding of their potential toxicity, the aim of ...
Reaction Mechanism of the PET Degrading Enzyme PETase Studied with DFT/MM Molecular Dynamics Simulations
(2021)
Polyethylene terephthalate (PET) has been widely used to make disposable bottles, among others, leading to massive PET waste accumulation in the environment. The discovery of the Ideonella sakaiensis PETase and MHETase ...
Taxas de decomposição e liberação de nutrientes da fitomassa de milheto, capim colonião e capim-braquiária
(2016-09-01)
The objective of this study was to evaluate the production and persistence of biomass of pearl millet (Pennisetum glaucum), guinea grass (Panicum maximum) and palisade grass (Urochloa brizantha), as well as the release ...
Análise do fluxo de massa de chumbo no tratamento esgoto sanitário em reator UASB
(Universidade do Vale do Rio dos Sinos, 2019-02-28)
The removal of organic load by anaerobic digestion in UASB reactors is a consolidated process in the sanitary sewage treatment. The operational and dimensional technical criteria of this type of reactor are well established ...
Análise do fluxo de massa de chumbo no tratamento esgoto sanitário em reator UASB
(Universidade do Vale do Rio dos Sinos, 2019-02-28)
The removal of organic load by anaerobic digestion in UASB reactors is a consolidated process in the sanitary sewage treatment. The operational and dimensional technical criteria of this type of reactor are well established ...
Disponibilização de nutrientes por plantas de cobertura do solo
(Universidade Tecnológica Federal do ParanáDois VizinhosBrasilAgronomiaUTFPR, 2016-12-05)
The nutrient cycling is closely related to the soil absorption capacity of the plants. The contribution of vegetal residues to the soil surface allows a greater cycling of the nutrients favoring the assimilation by the ...
Kinetics of extracellular ATP in mastoparan 7-activated human erythrocytes
(Elsevier, 2013-10)
Background: The peptide mastoparan 7 (MST7) stimulated ATP release in human erythrocytes. We explored intraand extracellular processes governing the time-dependent accumulation of extracellular ATP (i.e., ATPe kinetics). ...