The effects of the IM1-12Br ionic liquid and the oxytetracycline mixture on selected marine and brackish microorganisms

Lilianna Sharma; Błażej Kudłak; Grzegorz Siedlewicz; Ksenia Pazdro

doi:10.1016/j.scitotenv.2023.165898

The effects of the IM1-12Br ionic liquid and the oxytetracycline mixture on selected marine and brackish microorganisms

Abstrakt

The number of applications and commercialized processes utilizing ionic liquids has been increasing, and it is anticipated that this trend will persist and even intensify in the future. Ionic liquids possess desirable characteristics, such as low vapor pressure, good water solubility, amphiphilicity, and stability. Nevertheless, these properties can influence their environmental behavior, resulting in resistance to biotic and abiotic degradation and subsequent water contamination with more harmful derivatives. However, there is a notable scarcity of data regarding the impact of mixtures comprising ionic liquids and other micropollutants. Identifying potential potentiation of ionic liquids (Ils) toxicity in the presence of other xenobiotics is a proactive risk assessment measure. Therefore, the study aims to fill an important knowledge gap and identify possible interactions between imidazolium-based ionic liquid (IM1–12Br) and the common antibiotic oxytetracycline (OXTC). During 11-day experiments, selected marine, brackish and freshwater microorganisms (diatom Phaeodactylum tricornutum, cyanobacterium Microcystis aeruginosa and green algae Chlorella vulgaris) were exposed to binary mixtures of target substances. The assessed responses encompassed chlorophyll a kinetic parameters related to photosynthesis efficiency, as well as pigment concentrations, specifically phycobilin content. Additionally, the impact on the luminescent marine bacterium Aliivibrio fischeri has been evaluated. Significant effects on the growth, photosynthetic processes, and pigment content were observed in all the targeted microorganisms. The concentration addition (CA) and independent action (IA) mathematical models followed by the Model Deviation Ratio (MDR) evaluation enabled the identification of mainly synergistic interactions in the studied mixtures.

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Autorzy (4)

Lilianna Sharma
- Institute of Oceanology, Polish Academy of Sciences
Błażej Kudłak dr hab. inż.
Grzegorz Siedlewicz
- Institute of Oceanology, Polish Academy of Sciences
Ksenia Pazdro dr hab.
- Institute of Oceanology, Polish Academy of Sciences

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Kategoria:

Publikacja w czasopiśmie

Typ:

artykuły w czasopismach

Opublikowano w:

SCIENCE OF THE TOTAL ENVIRONMENT nr 901,
ISSN: 0048-9697

Język:

angielski

Rok wydania:

2023

Opis bibliograficzny:

Sharma L., Kudłak B., Siedlewicz G., Pazdro K.: The effects of the IM1-12Br ionic liquid and the oxytetracycline mixture on selected marine and brackish microorganisms// SCIENCE OF THE TOTAL ENVIRONMENT -Vol. 901, (2023), s.165898-

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