The effect of silica-magnetite nanoparticles on the ecotoxicity of the antibiotic ciprofloxacin

Kiryushina, A.; Bondarenko, L.; Dzeranov, A.; Kydralieva, K.; Patsaeva, S.; Terekhova, V.

Авторы: Kiryushina Anastasiya, Bondarenko Lyubov, Dzeranov Artur, Kydralieva Kamila, Patsaeva Svetlana, Terekhova Vera
Журнал: Environmental Science and Pollution Research
Том: 30
Год издания: 2023
Издательство: Springer Nature
Местоположение издательства: Switzerland
Первая страница: 55067
Последняя страница: 1255078
DOI: 10.1007/s11356-023-26233-9
Аннотация: Kiryushina, A., Bondarenko, L., Dzeranov, A. et al. The effect of silica-magnetite nanoparticles on the ecotoxicity of the antibiotic ciprofloxacin. Environ Sci Pollut Res 30, 55067–55078 (2023). https://doi.org/10.1007/s11356-023-26233-9The increase in the production and application of engineered nanomaterials, including nanoparticles (NPs), leads to their discharge into the environment, where they can interact with coexisting antibiotics from wastewater, causing a complicated joint effect on organisms that need to be studied. Herein, a typical engineered nanomaterial, silica-magnetite NPs modified with tetraethoxysilane and 3-aminopropyltriethoxysilane (MTA-NPs, 1–2 g/L), and common antibiotic ciprofloxacin (CIP, 0–5 mg/L) were selected as the analytes. Their joint toxicity to a model of ciliates infusoria, Paramecium caudatum was specifically investigated. The impact of CIP, MTA-NPs, and humic acids (HA) was tracked for 24 h, individually and collectively, on the mortality of infusoria. The addition of MTA-NPs and HA at the studied concentrations leads to 40% mortality of organisms. The combined presence of the MTA-NPs at a concentration of 1.5–2 mg/L and HA at a concentration of 20–45 mg/L has a multiplier effect and allows to reduce the mortality rate of ciliates > 30% due to the enhanced removal of CIP. That finding demonstrated a clearly detoxifying role of dissolved organic matter (here, humic substances) in case ofcomplex water pollution where pharmaceuticals and nanomaterials are presented
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