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Título : Prospects in cadmium-contaminated water : Management using free-living Cyanobacteria (Oscillatoria sp.)
Autor : Carralero Bon, Iván 
Salvatierra, Lucas Matías 
Lario, Luciana Daniela 
Morató Farreras, Jordi 
Pérez, Leonardo Martín 
Fecha de publicación : 2021
Editorial : Molecular Diversity Preservation International
Cita : Carralero Bon, I., Salvatierra, L.M., Lario, L.D., Morató Farreras, J., Pérez, L.M. Prospects in cadmium-contaminated water : Management using free-living Cyanobacteria (Oscillatoria sp.)[en línea]. Water. 2021, 13(542). Doi: 10.3390/w13040542. Disponible en:
Proyecto: Estudio de los bioprocesos involucrados en la eliminación de contaminantes químicos en diferentes sistemas biológicos 
Resumen : Abstract: In this study, the removal of cadmium (Cd) by free-living Oscillatoria sp. was studied. Our results showed that maximal Cd removal efficiency (~60%) by the cyanobacterial culture was achieved within 12–24 h in the presence of 5.0 or 25.0 mg/L of Cd. The mechanisms underlying this phenomenon were explored by elemental analysis and FTIR-ATR spectroscopy. It was found that metal adsorption by negatively charged functional groups in the cyanobacterial biomass was the main mechanism used by Oscillatoria sp. to remove metal from the aqueous medium, followed by Cd bioaccumulation into living cells. Additionally, Cd-exposed microalgae showed increased oxidative stress (MDA formation), a decreased dehydrogenase activity, a higher amount of soluble carbohydrates and a decreased total carotenoid concentration, as compared to the control cells.
ISSN : 2073-4441
DOI: 10.3390/w13040542
Derechos: Acceso abierto
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