Exploring Diverse Interactions of Some Surface-Active Ionic Liquids with Amino Acids Prevalent in Aqueous Environments by Physicochemical Contrivance

Abstract

Molecular interactions of two (ILS) [BMIM][C8SO4] and [MOIM]Cl with amino acids (AA) (AA= L-tyr, L-phe) in aqueous medium have been investigated by molar conductivities (Ʌ) at three different temperatures. Spectroscopic studies have been performed to investigate the association behavior between the ILs and the selected amino acids and the spontaneity of this process. The 1H NMR spectroscopy has also been carried out to expose the change in electronic conditions of various protons of ILs in the presence of different amino acids. All the results have been interpreted on the light of possible molecular interactions operating in the ternary system and varies in the order of ([BMIM][C8SO4] + L-tyr)> ([MOIM]Cl + L-tyr)> ([BMIM][C8SO4] + L-phe)> ([MOIM]Cl + L-phe) in water. The obtained experimental parameters will be extremely supportive to understand the mixing effect and other complicated biological process between amino acids and the chosen ionic liquids.