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Effects Of Salinity On The Toxicity Of Ionic Silver And Ag-Pvp Nanoparticles To Tisbe Battagliai And Ceramium Tenuicorne, Ailbhe Macken, Hugh Byrne, Kevin Thomas
Effects Of Salinity On The Toxicity Of Ionic Silver And Ag-Pvp Nanoparticles To Tisbe Battagliai And Ceramium Tenuicorne, Ailbhe Macken, Hugh Byrne, Kevin Thomas
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The toxic effects of polyvinylpyrrolidone (PVP) coated silver nanoparticles (Ag-NPPVP) and ionic Ag, to Tisbe battagliai (Tb) and Ceramium tenuicorne (Ct) were investigated and the usefulness of standardised marine guidelines for ENP risk assessment were assessed. The toxicity of Ag-NPPVP [CtEC50 = 26.6 µg/L, TbEC50 = 7.9 µg/L] and Ag+ [CtEC50 = 2312.2µg/L, Tb EC50 = 90.9 µg/L] to both test species differed, with the silver ENPs being more toxic. In contrast to Ag+ the toxicity of Ag-NPPVP increased significantly with increasing salinity, however, after thorough characterisation it was not …