Seawater carbonate chemistry and titanium dioxide nanoparticles (nTiO2) in edible bivalve mollusks

Large amounts of anthropogenic CO2 in the atmosphere are taken up by the ocean, which leads to 'ocean acidification' (OA). In addition, the increasing application of nanoparticles inevitably leads to their increased release into the aquatic environment. However, the impact of OA on the bio...

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Bibliographic Details
Main Authors: Shi, Wei, Han, Yu, Guo, Cheng, Su, Wenhao, Zhao, Xinguo, Zha, Shanjie, Wang, Yichen, Liu, Guangxu
Format: Dataset
Language:English
Published: PANGAEA 2019
Subjects:
Alanine transaminase
standard error
Alanine transaminase/Aspartate transaminase
Alkaline phosphatase
Alkalinity
total
Animalia
Aragonite saturation state
Aspartate transaminase
Benthic animals
Benthos
Bicarbonate ion
Blood urea nitrogen
Calcite saturation state
Calculated using seacarb after Nisumaa et al. (2010)
Carbon
inorganic
dissolved
Carbonate ion
Carbonate system computation flag
Carbon dioxide
Coast and continental shelf
Containers and aquaria (20-1000 L or < 1 m**2)
Creatinine
Cyclina sinensis
Fugacity of carbon dioxide (water) at sea surface temperature (wet air)
Granulocytes
Ocean acidification
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.907954
https://doi.org/10.1594/PANGAEA.907954
Description
Summary:Large amounts of anthropogenic CO2 in the atmosphere are taken up by the ocean, which leads to 'ocean acidification' (OA). In addition, the increasing application of nanoparticles inevitably leads to their increased release into the aquatic environment. However, the impact of OA on the bioaccumulation of nanoparticles in marine organisms still remains unknown. This study investigated the effects of OA on the bioaccumulation of a model nanoparticle, titanium dioxide nanoparticles (nTiO2), in three edible bivalves. All species tested accumulated significantly greater amount of nTiO2 in pCO2-acidified seawater. Furthermore, the potential health threats of realistic nTiO2 quantities accumulated in bivalves under future OA scenarios were evaluated with a mouse assay, which revealed evident organ edema and alterations in hematologic indices and blood chemistry values under future OA scenario (pH at 7.4). Overall, this study suggests that OA would enhance the accumulation of nTiO2 in edible bivalves and may therefore increase the health risk for seafood consumers.

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