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Chronic sublethal effects of ZnO nanoparticles on Tigriopus fulvus (Copepoda, Harpacticoida)
- Source :
- Environmental science and pollution research international (2019). doi:10.1007/s11356-019-07006-9, info:cnr-pdr/source/autori:Prato E.; Parlapiano I.; Biandolino F.; Rotini A.; Manfra L.; Berducci M.T.; Maggi C.; Libralato G.; Paduano L.; Carraturo F.; Trifuoggi M.; Carotenuto M.; Migliore L./titolo:Chronic sublethal effects of ZnO nanoparticles on Tigriopus fulvus (Copepoda, Harpacticoida)/doi:10.1007%2Fs11356-019-07006-9/rivista:Environmental science and pollution research international/anno:2019/pagina_da:/pagina_a:/intervallo_pagine:/volume
- Publication Year :
- 2019
- Publisher :
- Springer Science and Business Media LLC, 2019.
-
Abstract
- This study investigated for the first time the effects of ZnO nanoparticle (NP) chronic exposure (28 days) on Tigriopus fulvus. Acute toxicity (48 h) of three Zn chemical forms was assessed as well including the following: (a) ZnO nanoparticles (NPs), (b) Zn2+ from ZnO NP suspension after centrifugation (supernatant) and (c) ZnSO4 H2O. Physical-chemical and electronic microscopies were used to characterize spiked exposure media. Results showed that the dissolution of ZnO NPs was significant, with a complete dissolution at lowest test concentrations, but nano- and micro-aggregates were always present. Acute test evidenced a significant higher toxicity of Zn2+ and ZnSO4 compared to ZnO NPs. The chronic exposure to ZnO NPs caused negative effects on the reproductive traits, i.e. brood duration, brood size and brood number at much lower concentrations (≥ 100 μg/L). The appearance of ovigerous females was delayed at higher concentrations of ZnO NPs, while the time required for offspring release and the percentage of non-viable eggs per female were significantly increased. ZnO NP subchronic exposure evidenced its ability to reduce T. fulvus individual reproductive fitness, suggesting that ZnO NPs use and release must be carefully monitored. [Figure not available: see fulltext.]
- Subjects :
- Settore BIO/07
Offspring
ZnSO
Health, Toxicology and Mutagenesis
Metal Nanoparticles
chemistry.chemical_element
Nanoparticle
Zinc
010501 environmental sciences
Chronic/acute toxicity
Copepoda
Reproductive endpoints
Tigriopus fulvus
Zinc oxide nanoparticles
4
and ionic Zn
01 natural sciences
ZnSO4
Tigriopus fulvu
Animals
Nanoparticles
Zinc Oxide
ionic Zn
Metal Nanoparticle
Reproductive endpoint
Environmental Chemistry
Ecotoxicology
Centrifugation
0105 earth and related environmental sciences
Animal
Zinc oxide nanoparticle
General Medicine
Pollution
Acute toxicity
Brood
chemistry
Toxicity
Nuclear chemistry
Subjects
Details
- ISSN :
- 16147499 and 09441344
- Volume :
- 27
- Database :
- OpenAIRE
- Journal :
- Environmental Science and Pollution Research
- Accession number :
- edsair.doi.dedup.....3b30fb59829a0c92f33693a8c60ba396