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Exploring the Interactions of Ionic Liquids with Bio-Organic Amphiphiles Using Computational Approaches
Rachel E Daso1, Saige M Mitchell1, Charlotta G Lebedenko1
1Department of Chemistry, Fordham University, 441 East Fordham Road, Bronx, New York 10458, United States.
ACS Omega
|December 13, 2021
Summary
This study computationally explores novel bio-organic amphiphile and ionic liquid (IL) hybrids. Cholinium-based ILs showed the most favorable interactions, paving the way for new bio-IL composites.
Area of Science:
- Materials Science
- Computational Chemistry
- Biochemistry
Background:
- Bio-organic amphiphiles enhance ionic liquids (ILs), creating versatile hybrid composites with unique properties.
- Designing these hybrids requires understanding the complex interactions between amphiphiles and ILs.
Purpose of the Study:
- To computationally investigate the formation and properties of novel bio-organic amphiphile-IL hybrids.
- To identify optimal mixtures of bio-organic amphiphiles and ILs for potential biological applications.
Main Methods:
- Designed three novel bio-organic amphiphiles incorporating natural moieties (malic acid-glutamine, thiomalic acid-pyrazole, Fmoc-valine-diphenylamine).
- Utilized Conductor-like Screening Model for Real Solvents (COSMO-RS) to predict hybrid properties (viscosity, mixing enthalpy).
- Performed molecular dynamics simulations on optimal hybrids to analyze formation interactions.
Main Results:
- COSMO-RS successfully predicted properties and identified optimal bio-organic amphiphile-IL mixtures.
- Cholinium-based ILs exhibited the most favorable interactions with the designed amphiphiles.
- Analysis revealed significant inter- and intramolecular interactions driving hybrid formation.
Conclusions:
- This work elucidates key factors governing bio-organic amphiphile and bio-IL interactions.
- Identified favorable cholinium-based ILs for creating novel ionic liquid-based composites.
- Provides a foundation for developing advanced bio-IL composites for diverse biological applications.
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