The antimicrobial potential of ionic liquids: A source of chemical diversity for infection and biofilm control

Jack Norman Pendleton, Brendan F. Gilmore

Research output: Contribution to journalArticle

81 Citations (Scopus)

Abstract

Although described almost a century ago, interest in ionic liquids has flourished in the last two decades, with significant advances in the understanding of their chemical, physical and biological property sets driving their widespread application across multiple and diverse research areas. Significant progress has been made through the contributions of numerous research groups detailing novel libraries of ionic liquids, often ‘task-specific’ designer solvents for application in areas as diverse as separation technology, catalysis and bioremediation. Basic antimicrobial screening has often been included as a surrogate indication of the environmental impact of these compounds widely regarded as ‘green’ solvents. Obviating the biological properties, specifically toxicity, of these compounds has obstructed their potential application as sophisticated designer biocides. A recent tangent in ionic liquids research now aims to harness tuneable biological properties of these compounds in the design of novel potent antimicrobials, recognising their unparalleled flexibility for chemical diversity in a severely depleted antimicrobial arsenal. This review concentrates primarily on the antimicrobial potential of ionic liquids and aims to consolidate contemporary microbiological background information, assessment protocols and future considerations necessary to advance the field in light of the urgent need for antimicrobial innovation.
Original languageEnglish
Pages (from-to)131-139
Number of pages9
JournalInternational Journal of Antimicrobial Agents
Volume46
Issue number2
Early online date30 Mar 2015
DOIs
Publication statusPublished - Aug 2015

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