The DOI matches its Crossref record; 46 of the 46 references it cites were found in a registry or an index.
Effect of microplastics exposure on the photosynthesis system of freshwater algae
Abstract
Microplastics are widely distributed in freshwater environments. At present, most of the studies on the toxicity of microplastics are concentrated on aquatic feeding animals, but relatively few have addressed freshwater algae. This study investigated the effect of microplastics (polypropylene (PP) and polyvinyl chloride (PVC)) exposure on the photosynthetic system of freshwater algae over the logarithmic growth period. The results showed that both PVC and PP had a negative effect on chlorophyll a concentrations of Chlorella (C.) pyrenoidosa and Microcystis (M.) flos-aquae; among them, when the concentration of PVC exceeded 250 mg/L, compared with the control group, the chlorophyll a content of C. pyrenoidosa was reduced by 55.23%. For photosynthetic activity, higher concentrations of PVC and PP can induce lower values of Fv/Fm, Fv/F0, and Fv'/Fm', suggesting a larger impact in algae. However, algae were able to adjust, with increased values of Fv/Fm, Fv/F0, and Fv'/Fm'. This dose-negative effect phenomenon also exists in the study of the rapid light-response curves. In addition, comparing the two microplastics, we could see that PVC greatly inhibits the photosynthesis system of freshwater algae. Our study confirmed that microplastics can affect algae growth under certain concentrations, which provides evidence for understanding the risks of microplastics.
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Cites
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Cited by
Single-use plastics: Production, usage, disposal, and adverse impacts
Chen, Y., Awasthi, A. K., Wei, F., Tan, Q., & Li, J. (2021) · Science of The Total Environment · doi:10.1016/j.scitotenv.2020.141772 · Cited by 716
Impact of microplastics on growth, photosynthesis and essential elements in Cucurbita pepo L.
Colzi, I., Renna, L., Bianchi, E., Castellani, M. B., Coppi, A., Pignattelli, S., Loppi, S., & Gonnelli, C. (2022) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2021.127238 · Cited by 404
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Silva, C. J. M., Machado, A. L., Campos, D., Rodrigues, A. C. M., Patrício Silva, A. L., Soares, A. M. V. M., & Pestana, J. L. T. (2022) · Science of The Total Environment · doi:10.1016/j.scitotenv.2021.150118 · Cited by 89
Deng, J., Zeng, X., Li, J., Luo, L., Yang, Y., & Luan, T. (2023) · Science of The Total Environment · doi:10.1016/j.scitotenv.2023.164082 · Cited by 36
Self-citation
Metadata
- Authors
- Wu, Y., Guo, P., Zhang, X., Zhang, Y., Xie, S., & Deng, J.
- Venue
- Journal of Hazardous Materials
- Publisher
- Elsevier BV
- Published
- 2019-07
- Volume
- 374
- Pages
- 219-227
- ISSN
- 0304-3894 (ISSN-L)
- OpenAlex
- W2939547028
- Cited by
- 448
- References
- 46
- FWCI
- 9.75
- Type
- journal article
- Language
- en
- Open access
- closed
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