Mixed effects and co-transfer of CeO2 NPs and arsenic in the pakchoi-snail food chain

Wang, Yaoyao; Ma, Chuanxin; Dang, Fei; Zhao, Lijuan; Zhou, Dongmei; Gu, Xueyuan

doi:10.1016/j.jhazmat.2023.132770

Journal of Hazardous Materials

2024

DOI: 10.1016/j.jhazmat.2023.132770

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Mixed effects and co-transfer of CeO2 NPs and arsenic in the pakchoi-snail food chain

Yaoyao Wang,

Chuanxin Ma,

Fei Dang

et al.

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2024

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Cited by 2 publications

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Alleviation of arsenic stress in pakchoi by foliar spraying of engineered nanomaterials

Wang,

Chen,

Lin

et al. 2024

Environ Sci Pollut Res

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Alleviation of arsenic stress in pakchoi by foliar spraying of engineered nanomaterials

Wang,

Chen,

Lin

et al. 2024

Environ Sci Pollut Res

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Differential Leaf-to-Root Movement, Trophic Transfer, and Tissue-Specific Biodistribution of Metal-Based and Polymer-Based Nanoparticles When Present Singly and in Mixture

Chen,

He,

Peijnenburg

et al. 2024

Environ. Sci. Technol.

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The transfer of nanoparticles (NPs) through the terrestrial food chain via foliar uptake presents poorly understood risks, especially in scenarios involving copollution and plant translocation. Herein, we exposed the radishes to single and mixed foliar doses of CeO 2 NPs and deuterated polystyrene (DPS), investigating the trophic transfer of NPs from radish shoots/roots to snails. Compared to single treatments, mixture treatments increased Ce uptake by plants but had no effect on DPS uptake. Additionally, mixture treatments did not affect the movement of Ce and DPS from shoots to roots. Under NP mixture exposure, trophic transfer efficiencies (TTF) for Ce (2.09 × 10 −2 ) and DPS (2.54 × 10 −2 ) significantly decreased in shoot-feeding snails. In root-feeding snails, TTF for Ce (3.32 × 10 −1 ) also showed a significant decrease, while TTF for DPS remained unchanged. Mixture treatments exhibited differential impacts on different snail body parts, particularly leading to biomagnification of DPS in the digestive glands and soft tissues (TTF > 1) of snails consuming roots exposed to mixtures. Both CeO 2 and DPS displayed a sudden increase in assimilation efficiency following translocation to the roots. This study provides insights into changes during trophic transfer due to coexposure and plant translocation processes associated with nanoparticles, enhancing our comprehension regarding their environmental risks.

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Mixed effects and co-transfer of CeO2 NPs and arsenic in the pakchoi-snail food chain

Cited by 2 publications

References 63 publications

Alleviation of arsenic stress in pakchoi by foliar spraying of engineered nanomaterials

Alleviation of arsenic stress in pakchoi by foliar spraying of engineered nanomaterials

Differential Leaf-to-Root Movement, Trophic Transfer, and Tissue-Specific Biodistribution of Metal-Based and Polymer-Based Nanoparticles When Present Singly and in Mixture

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