Ecotoxicity interspecies study of ionic liquids based on phosphonium and ammonium cations

Errazquin, Diego; Mohamadou, Aminou; Dupont, Laurent; Gaetano, Yannick De; García, Concepción Bueno; Lomba, Laura; Giner, Beatriz

doi:10.1007/s11356-021-14851-0

Cited by 11 publications

(6 citation statements)

References 47 publications

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“…Furthermore, the correlation alkyl chain length-toxicity has been already established for ammonium and phosphonium ionic liquids. 55 Again, as in the study with A. fischeri biomodel a good correlation between EC 50 and log P of the HBD component is observed (Fig. 9).…”

Section: R Subcapitata Ecotoxicity Test and Chlorophyll Concentration...supporting

confidence: 80%

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Ecotoxicological study of bio-based deep eutectic solvents formed by glycerol derivatives in two aquatic biomodels

et al. 2022

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Section: R Subcapitata Ecotoxicity Test and Chlorophyll Concentration...supporting

confidence: 80%

“…Furthermore, the correlation alkyl chain length-toxicity has been already established for ammonium and phosphonium ionic liquids. 55…”

Section: Resultsmentioning

confidence: 99%

Ecotoxicological study of bio-based deep eutectic solvents formed by glycerol derivatives in two aquatic biomodels

et al. 2022

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“…However, the main problem of these chemicals is their toxicity. There are some studies about their toxicity, biodegradability, and ecotoxicity, but there is not yet enough evidence, and more studies are needed in order to ensure the safety of ILs for the environment and health [13][14][15][16][17].…”

Section: Deep Eutectic Solvents (Dess)mentioning

confidence: 99%

Deep Eutectic Solvents: Are They Safe?

et al. 2021

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Deep eutectic solvents (DESs) are a relatively new type of solvent that have attracted the attention of the scientific community due to their environmentally friendly properties and their versatility in many applications. Many possible DESs have been described and, thus, it is not easy to unequivocally characterize and generalize their properties. This is especially important in the case of the (eco)toxicity information that can be found for these mixtures. In this review, we collect data on the human and environmental toxicity of DESs, with the aim of gathering and exploring the behavioral patterns of DESs. The toxicity data found were analyzed attending to different factors: hydrogen bond donors or acceptors that form part of the eutectic mixture, pH, and the presence of organic acids in the DES molar ratio of the components, or interactions with natural compounds. In the case of ecotoxicity, results generally depend on the biomodel studied, along with other factors that have been also revised. Finally, we also carried out a revision of the biodegradation of DESs.

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“…Recent reports have revealed that ILs can exhibit toxicity not only towards microorganisms and fungi but also towards algae, higher plants, invertebrates, and vertebrates. 3,[12][13][14][15][16][17] In the vast majority of available reports, the degree of impact of ILs on terrestrial plants is based on the determination of plant growth, fresh and dry weight, and external appearance. 18,19 However, in some reports, various parameters directly associated with phytotoxicity were also determined, such as the EC 50 (the concentration of test substance which results in a 50% reduction in development), 20 LOEC (lowest observed effect concentration that leads to a statistically significant difference compared to the control) and NOEC (the highest tested concentration for which there are no statistical significant differences compared to the control), 21,22 effects on the pigment content (chlorophyll a, chlorophyll b, and carotenoides), 23 or antioxidant enzyme activity (superoxide dismutase, catalase, and peroxidase), which reflects the disruption in functioning of plants.…”

Section: Introductionmentioning

confidence: 99%

A comprehensive study demonstrating the influence of the solvent composition on the phytotoxicity of compounds, as exemplified by 2,4‐D‐based ILs with a choline‐type cation

Niemczak

Stachowiak

Kaczmarek

et al. 2023

Pest Management Science

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BackgroundGrowing concern for the protection of the environment and existing ecosystems has resulted in increasing consideration of phytotoxicity tests as valid ecotoxicological indicators of the potential hazards of the use of ionic liquids (ILs) or any other chemical. The objective of this study was to gain a detailed understanding of the influence of the solvent composition of spray solutions on the phytotoxic effect of foliar application of ionic pairs with weak (choline 2,4‐dichlorophenoxyacetate, [Chol][2,4‐D]), medium (N‐hexylcholine 2,4‐dichlorophenoxyacetate, [C6Chol][2,4‐D]) and good (N‐dodecylcholine 2,4‐dichlorophenoxyacetate, [C12Chol][2,4‐D]) surface‐active properties.ResultsExperimental results unambiguously demonstrated that the biological activity of the test salt solutions, particularly [Chol][2,4‐D] and [C6Chol][2,4‐D], can be strongly affected by the addition of an organic solvent, such as methanol, ethanol, dimethylformamide (DMF) or dimethylsulfoxide (DMSO) compared to solutions in pure water. However, the observed tendency is less pronounced for the compound exhibiting good surface activity, [C12Chol][2,4‐D].ConclusionsThe collected findings show that caution is warranted in the exploitation or modification of methodologies for assessing phytotoxicity to ensure the reliable interpretation of obtained results for environmental risk assessment or building quantitative structure–activity relationship (QSAR) models. © 2023 Society of Chemical Industry.

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Ecotoxicity interspecies study of ionic liquids based on phosphonium and ammonium cations

Cited by 11 publications

References 47 publications

Ecotoxicological study of bio-based deep eutectic solvents formed by glycerol derivatives in two aquatic biomodels

Ecotoxicological study of bio-based deep eutectic solvents formed by glycerol derivatives in two aquatic biomodels

Deep Eutectic Solvents: Are They Safe?

A comprehensive study demonstrating the influence of the solvent composition on the phytotoxicity of compounds, as exemplified by 2,4‐D‐based ILs with a choline‐type cation

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