Abstract
A new artemisinin sustained-release particle (ASP) was developed that significantly inhibits Microcystis aeruginosa (M. aeruginosa) growth. The physical and chemical properties of ASPs were characterized using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), differential scanning calorimetry, and thermogravimetry (DSC-TG). The results demonstrated that ASPs are thermally stable and have sustained-release properties. On the sixth day, the ASPs (0.2 g L−1) inhibited M. aeruginosa with an inhibition rate (IR) greater than 70%. Additionally, ASPs inhibited M. aeruginosa without increasing microcystin-LR release (MC-LR). This research offers a novel approach to the management of cyanobacterial blooms.
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Acknowledgement
This work was supported jointly by the Key Program of the National Natural Science Foundation of China (Grant Nos. 51779079, 51979137), the Innovative Research Group Project of the National Natural Science Foundation of China (Grant No. 51421006), the Program for Changjiang Scholars and Innovative Research Team at Hohai University (Grant No. IRT13061), the Natural Science Foundation of Jiangsu Province (Grant No. BK20181313).
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Ni, L., Zhu, C., Du, C. et al. Characterization of a Novel Artemisinin Algicidal Particle and Its Inhibitory Effect on Microcystis aeruginosa. Bull Environ Contam Toxicol 110, 82 (2023). https://doi.org/10.1007/s00128-023-03718-4
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DOI: https://doi.org/10.1007/s00128-023-03718-4