Abstract
The Agar Diffusion test has been used for many years for testing antibiotic susceptibility in clinical laboratories. We wish to report that this simple, rapid test can also be applied to screen ionic liquids for toxicity to microorganisms. We screened 14 water miscible ionic liquids for toxicity for Clostridium butyricum using the test, and compared the results with EC 50 values calculated from measurements of growth rates in the presence of the ionic liquids. The Agar Diffusion test could be used reliably to identify ionic liquids which were toxic to C. butyricum, with EC50 values below 0.034 M, and relatively non-toxic structures, with EC50 values above 0.063 M. Therefore, the Agar Diffusion test can be used with confidence to distinguish between toxic and biocompatible ionic liquids. © 2009 The Royal Society of Chemistry.
| Original language | English |
|---|---|
| Pages (from-to) | 402-408 |
| Number of pages | 6 |
| Journal | Green Chemistry |
| Volume | 11 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 2009 |
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