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Synthesis and anti-microbial potencies of 1-(2-hydroxyethyl)-3-alkylimidazolium chloride ionic liquids: Microbial viabilities at different ionic liquids concentrations

Ismail Hossain, M., El-Harbawi, M., Alitheen, N.B.M., Noaman, Y.A., Lévêque, J-M and Yin, C-Y (2012) Synthesis and anti-microbial potencies of 1-(2-hydroxyethyl)-3-alkylimidazolium chloride ionic liquids: Microbial viabilities at different ionic liquids concentrations. Ecotoxicology and Environmental Safety, 87 . pp. 65-69.

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    Link to Published Version: http://dx.doi.org/10.1016/j.ecoenv.2012.09.020
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    Abstract

    Three 1-(2-hydroxyethyl)-3-alkylimidazolium chloride room temperature ionic liquids (ILs) [2OHimCn][Cl]; (n=0, 1, 4) have been synthesized from the appropriate imidazole precursors and characterized by IR and NMR spectroscopies and elemental analysis. Their anti-microbial activities were investigated using the well-diffusion method. The viabilities of Escherichia coli, Aeromonas hydrophila, Listeria monocytogenes and Salmonella enterica as a function of IL concentrations were studied. The minimal inhibitory concentrations (MICs) and EC50 values for the present ILs were within the concentration range from 60 to 125 mM and 23 to 73 mM. The anti-microbial potencies of the present ILs were compared to a standard antibiotic, gentamicin. The finding affords additional perspective on the level of ILs toxicity to aquatic lifeforms and yet, this characteristic can be readily harnessed to detect microbial growth and activity.

    Publication Type: Journal Article
    Murdoch Affiliation: School of Chemical and Mathematical Science
    Publisher: Elsevier Inc.
    Copyright: © 2012 Elsevier Inc.
    URI: http://researchrepository.murdoch.edu.au/id/eprint/11303
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