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Polystyrene Nanoparticle Uptake and Deposition in Silkworm and Influence on Growth

Author

Listed:
  • Ze-Jun Wang

    (Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, China)

  • Yu-Hang Zhang

    (Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, China)

  • Rong-Yao Gao

    (Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, China)

  • Hua-Bing Jia

    (Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, China)

  • Xiao-Jing Liu

    (Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, China)

  • Ya-Wen Hu

    (Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, China)

  • Qian-Qian Shao

    (Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, China)

  • Li-Min Fu

    (Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, China)

  • Jian-Ping Zhang

    (Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, China)

Abstract

This work reports the biological toxicity of nano plastic particles (NPs) to silkworms fed on the bait dopped with polystyrene encapsulated luminescent nanoparticles. The processes of NPs intake and excretion were monitored by means of time-gated optical imaging (TGI) and Inductively Coupled Plasma Mass Spectrometry (ICP-MS), which allowed the quantification of the spatiotemporal deposition of NPs in an individual silkworm. The rates of NPs excretion and sequestration were found to be 99.92% and 0.08%, respectively, and the NPs retentate stayed mainly in the fat body (67.7%), digestive tract (18.0%), and head (7.54%). Adverse effects of NPs exposure were accordingly confirmed such as growth retardation and smaller physique. The results of the present work confirmed the possibility of nano-plastics accumulating and transmitting along the food chain in terrestrial ecosystems. The present work demonstrates the potential of employing silkworm as a model of full metamorphosed insects for exploring the biological impact of NPs on congeneric terrestrial animals, as well as the efficacy of the TGI-MS modality for in situ visualizing and quantifying the propagation of NPs via the primary food chain.

Suggested Citation

  • Ze-Jun Wang & Yu-Hang Zhang & Rong-Yao Gao & Hua-Bing Jia & Xiao-Jing Liu & Ya-Wen Hu & Qian-Qian Shao & Li-Min Fu & Jian-Ping Zhang, 2023. "Polystyrene Nanoparticle Uptake and Deposition in Silkworm and Influence on Growth," Sustainability, MDPI, vol. 15(9), pages 1-13, April.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:9:p:7090-:d:1130989
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