Abstract
To safely and effectively apply artemisinin sustained-release granules to control and prevent algal water-blooms, the effects of artemisinin and its sustained-release granules on freshwater alga (Scenedesmus obliquus (S. obliquus) and Microcystis aeruginosa (M. aeruginosa)), as well as the production and release of microcystins (MCs) were studied. The results showed that artemisinin sustained-release granules inhibited the growth of M. aeruginosa (above 95 % IR) and S. obliquus (about 90 % IR), with M. aeruginosa more sensitive. The artemisinin sustained-release granules had a longer inhibition effect on growth of pure algae and algal coexistence than direct artemisinin dosing. The artemisinin sustained-release granules could decrease the production and release of algal toxins due to the continued stress of artemisinin released from artemisinin sustained-release granules. There was no increase in the total amount of MC–LR in the algal cell culture medium.
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Acknowledgements
This work has been supported jointly by the National Natural Science Foundation (Grant No. 51109061, 41373111, 51009049); the National Science Funds for Distinguished Young Scholars (Grant No. 51225901); the Research Fund for innovation team of Ministry of education (Grant No. IRT13061); the Jiangsu Water Resources Science and Technology Program (Grant No. 201371); and the Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD).
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Ni, L., Li, D., Hu, S. et al. Effects of artemisinin sustained-release granules on mixed alga growth and microcystins production and release. Environ Sci Pollut Res 22, 18637–18644 (2015). https://doi.org/10.1007/s11356-015-5438-y
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DOI: https://doi.org/10.1007/s11356-015-5438-y