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Ecotoxicity of the non-dioxin-like PCB-153 in the model marine diatom Phaeodact...
Duarte, Bernardo; Cardoso, João; Feijão, Eduardo; Carreiras, João Albuquerque; Cruz De Carvalho, Ricardo; Matos, Ana Rita; Fonseca, Vanessa F.Despite the ban on polychlorinated biphenyls (PCBs) in developed countries since the 1930s, their persistence and use endured in developing countries, with reported toxic effects on various organisms. PCB congener 153 (PCB-153, 2, 2′, 4, 4′, 5, 5′–hexachlorobiphenyl) is notably prevalent in marine biota. However, its mode of action and impact on primary marine diatoms are not well documented. Phaeodactylum tric...
Impact of mineral and organic fertilisation practices on elemental authenticity...
Duarte, Bernardo; Carreiras, João Albuquerque; Melo, Juliana; Gonçalves, Marta; Silva, Anabela B.; de Sousa, Miguel LeãoMarket demand, climate change and soil degradation force producers to maintain the productivity and quality of high-market-value products, such as Protected Geographical Indication (PGI) fruits. “Maçã de Alcobaça” apples produced in the central-western part of Portugal, namely the variety Royal Gala, one of the PGI varieties with higher demand, are among those with higher requirements in terms of fertilization ...
Persistent Organic Pollutants in Tagus Estuary Salt Marshes: Patterns of Contam...
Cruz De Carvalho, Ricardo; Cardoso, João; Carreiras, João Albuquerque; Santos, Paula; Palma, Carla; Duarte, BernardoThe presence of anthropogenic compounds, including organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs), was studied in three salt marshes within the Tagus estuary, Portugal, along an anthropogenic pressure gradient. Results revealed differences in OCPs and PCBs among the marshes, with differing concentration levels. Specifically, one marsh, with surrounding agricultural activity, showed the hi...