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Urinary metabolomic changes as a predictive biomarker of asthma exacerbation

Oxidative stress responses and histological hepatic alterations in barbel, Barb...

Barbel (Barbus bocagei) a common species in Portuguese rivers was studied to assess the impact of water contamination on hepatic oxidative stress response, lipid peroxidation and histology. The Vizela River is a tributary of the Ave River, located in one of the most industrialized areas of Portugal. The oxidative stress biomarkers analyzed included superoxide dismutase, catalase, glutathione S-transferase, glut...

Can fish adopt the same defence strategy in gill and liver to face chronic meta...

Can fish adopt the same defence strategy in gill and liver to face chronic meta...

Alterações histológicas em brânquias de tilápia nilotica Oreochromis niloticus ...

Os efeitos histopatológicos do cádmio nas brânquias de tilápia Oreochromis niloticus foram estudados por microscopia óptica, usando 25mgl-1 de CdCl2 durante quatro dias, com o objetivo de identificar seus efeitos agudos na estrutura das brânquias. A morfologia geral das brânquias de O. niloticus é idêntica à de outros teleósteos, apresentando quatro pares de arcos branquiais com filamentos bem desenvolvidos. Si...

Biochemical and histological hepatic changes of Nile tilapia Oreochromis niloti...

Heavy metal contamination in a mugil wild population of a coastal lagoon

Polluted sediments usualy contain complex chemical mistures that may have synergistic and/or antagonistic effects on target organisms. Establishing causality in the 1ieId, is thus, particularly difficulty and the biomarker responses recorded in whole sediment toxicity assays are o correlactive nature only