Lethal and sub-lethal effects of nanosized titanium dioxide particles onHydropsyche exocellataDufour, 1841
العنوان: | Lethal and sub-lethal effects of nanosized titanium dioxide particles onHydropsyche exocellataDufour, 1841 |
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المؤلفون: | Amadeu M.V.M. Soares, Miguel Cañedo-Argüelles, Carlos Barata, Daniel Torres-Garcia, Miquel Sala, Mireia Baeza, R. Montes, Sergio Ponsá, Melissa Faria |
المصدر: | Digital.CSIC. Repositorio Institucional del CSIC instname |
بيانات النشر: | Informa UK Limited, 2020. |
سنة النشر: | 2020 |
مصطلحات موضوعية: | Insect Science, Environmental chemistry, Tio2 nanoparticles, Hydropsyche exocellata, Nanoparticle, Aquatic Science, Biology, Freshwater systems, Ecology, Evolution, Behavior and Systematics |
الوصف: | Nanosized titanium dioxide particles (nTiO) are one of the most widely used nanoscale engineered materials. Evidence of the presence of nTiO in freshwater systems has been reported by recent ecotoxicological studies, which indicated the potential toxic effects of nTiO to aquatic organisms. This study aimed at exploring lethal and sub-lethal endpoints of aqueous exposure of the aquatic insect Hydropsyche exocellata Dufour, 1841 (Trichoptera, Hydropsychidae) to nTiO at different concentrations. Abdominal contractions significantly increased with nTiO exposure. Levels of lipid peroxidation (LPO) increased with nTiO dose, whereas the opposite was recorded for the antioxidant enzyme catalase activity (CAT). Moreover, the highest exposure (50.0 mg/L) resulted in the highest mortality (56% of mortality two weeks after pulse exposure to nTiO). Overall, our results show that nTiO has potential toxic effects on H. exocellata at concentrations of 50.0 mg/L. |
تدمد: | 1744-4152 0165-0424 |
URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22b33f92cfd72a38f6a871b419689f00 https://doi.org/10.1080/01650424.2020.1712422 |
حقوق: | OPEN |
رقم الأكسشن: | edsair.doi.dedup.....22b33f92cfd72a38f6a871b419689f00 |
قاعدة البيانات: | OpenAIRE |
تدمد: | 17444152 01650424 |
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