alexa Microbial Biocompatibility and Biodegradability of Choline-Amino Acid Based Ionic Liquids
ISSN: 1948-5948

Journal of Microbial & Biochemical Technology
Open Access

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Research Article

Microbial Biocompatibility and Biodegradability of Choline-Amino Acid Based Ionic Liquids

Arash Yazdani1,3, Magaret Sivapragasam1, Jean-Marc Levêque1,2* and Muhammad Moniruzzaman1,3*

1Centre of Research on Ionic Liquid (CORIL), Universiti Teknologi PETRONAS, 32610, Bandar Seri Iskandar, Perak, Malaysia

2LCME/SCeM, Université de Savoie Mont-Blanc; 73376 Le Bourget du Lac cedex, France

3Department of Chemical Engineering, University Teknologi PETRONAS, 32610, Bandar Seri Iskandar, Perak, Malaysia

*Corresponding Author:
Jean-Marc Levêque
LCME/SCeM, Université de Savoie Mont-Blanc
73376 Le Bourget du Lac cedex, France
Tel: +605-368 7572
Fax: +605-365-251-6176
E-mail: [email protected]
Muhammad Moniruzzaman
Centre of Research on Ionic Liquid (CORIL)
Universiti Teknologi PETRONAS, 32610
Bandar Seri Iskandar, Perak, Malaysia
Tel: +605- 368 7572
Fax: +605-365-251-6176
E-mail: [email protected]

Received date: September 04, 2016; Accepted date: September 21, 2016; Published date: September 28, 2016

Citation: Yazdani A, Sivapragasam M, Levêque JM, Moniruzzaman M (2016) Microbial Biocompatibility and Biodegradability of Choline-Amino Acid Based Ionic Liquids. J Microb Biochem Technol 8:415-421. doi: 10.4172/1948-5948.1000318

Copyright: © 2016 Yazdani A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Choline-Amino acid based ionic liquids (AAIL) have sparked recent interest throughout the scientific community due to their allegedly low cost and natural origin. They are considered as a potential “green” solvent to replace conventional volatile organic solvents. However, much is still scarce on their (AAILs) microbial toxicity and biodegradability. This study reports the synthesis of ten AAILs with cholinium cation and variable anions derived from amino acids. Their microbial biocompatibility to gram-positive (Bacillus licheniformis and Staphylococcus aureus) and gram-negative (Pseudomonas aeruginosa and Vibrio cholerae) bacteria and biodegradability by industrial sewage water were analyzed. All the tested AAILs were reported to have EC50 values in the range of 160-1120 mg/L which is deemed “practically harmless” based on hazard rankings. The toxicity trend was seen to reduce as the molecular weight of the anion decreased. The level of mineralization of AAILs through anaerobic microbial breakdown was found to be a factor of anion and its functional group in all the cases. They resulted to over 60% biodegradation in 28 days (readily biodegradable).

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