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Phenotypic variation of Fucus ceranoides, F. spiralis and F. vesiculosus in a t...
Cairrão, E.; Pereira, M. J.; Morgado, F.; Nogueira, A. J. A.; Guilhermino, L.; Soares, A. M. V. M.Brown algae includes several species of Fucus, reported both in the tidal and intertidal zones of cold and temperate regions. Environmental parameters induce wide biological variability in intertidal algae, manifested by alterations at several levels, and this has lead to the failure of some reports to discriminate between closely related taxa, particularly Fucus species. As the genus Fucus is widely represente...
Lack of Evidence for Metallothionein Role in Tolerance to Copper by Natural Pop...
Martins, N.; Lopes, I.; Guilhermino, L.; Bebianno, M. J.; Ribeiro, R.No abstract available. ; http://dx.doi.org/10.1007/s00128-005-0647-6
The ‘Coral Bulker’ Fuel Oil Spill on the North Coast of Portugal: Spatial and T...
Moreira, Susana Maria; Moreira-Santos, M.; Ribeiro, R.; Guilhermino, L.In December 2000, the ship ‘Coral Bulker’ ran aground at the entrance of the port of Viana do Castelo (North–west coast of Portugal). A large amount of fuel oil was spilled and part of it reached the shore. To evaluate the spatial and temporal impact of this oil spill, a field study, and several laboratory toxicity tests were performed using Mytilus galloprovincialis as biological indicator of environmental con...
In vitro and in vivo inhibition of Daphnia magna acetylcholinesterase by surfac...
Guilhermino, L.; Lacerda, M. N.; Nogueira, A. J. A.; Soares, A. M. V. M.This study was designed to investigate the effect of two surfactants, dodecyl benzyl sulfonate (DBS), sodium dodecyl sulfate (SDS), and of a domestic detergent (Y) on the AChE activity of the crustacean cladoceran Daphnia magna. All the chemicals significantly inhibit the activity of the enzyme, both in vitro and in vivo conditions. In vitro lowest observed effect concentration (LOEC) values ranged from 12.5 to...
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