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Biological activity, solvation properties and microstructuring of protic imidazolium ionic liquids. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Javed F, Ullah F, Zakaria MR, Akil HM. An approach to classification and hi-tech applications of room-temperature ionic liquids (RTILs): A review. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.09.005] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Kachmar A, Carignano M, Laino T, Iannuzzi M, Hutter J. Mapping the Free Energy of Lithium Solvation in the Protic Ionic Liquid Ethylammonuim Nitrate: A Metadynamics Study. CHEMSUSCHEM 2017; 10:3083-3090. [PMID: 28547888 DOI: 10.1002/cssc.201700510] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2017] [Revised: 05/23/2017] [Indexed: 06/07/2023]
Abstract
Understanding lithium solvation and transport in ionic liquids is important due to their possible application in electrochemical devices. Using first-principles simulations aided by a metadynamics approach we study the free-energy landscape for lithium ions at infinite dilution in ethylammonium nitrate, a protic ionic liquid. We analyze the local structure of the liquid around the lithium cation and obtain a quantitative picture in agreement with experimental findings. Our simulations show that the lowest two free energy minima correspond to conformations with the lithium ion being solvated either by three or four nitrate ions with a transition barrier between them of 0.2 eV. Other less probable conformations having different solvation pattern are also investigated.
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Affiliation(s)
- Ali Kachmar
- Qatar Environment and Energy Research Institute, Hamad Bin Khalifa University, Qatar Foundation, Doha, Qatar
| | - Marcelo Carignano
- Qatar Environment and Energy Research Institute, Hamad Bin Khalifa University, Qatar Foundation, Doha, Qatar
| | - Teodoro Laino
- Industry Solutions and Cognitive Computing, IBM Zurich Research Laboratory, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
| | - Marcella Iannuzzi
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
| | - Jürg Hutter
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
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Neidhardt MM, Wolfrum M, Beardsworth S, Wöhrle T, Frey W, Baro A, Stubenrauch C, Giesselmann F, Laschat S. Tyrosine-Based Ionic Liquid Crystals: Switching from a Smectic A to a Columnar Mesophase by Exchange of the Spherical Counterion. Chemistry 2016; 22:16494-16504. [DOI: 10.1002/chem.201602937] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Manuel M. Neidhardt
- Institut für Organische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Manpreet Wolfrum
- Institut für Organische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Stuart Beardsworth
- Institut für Organische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Tobias Wöhrle
- Institut für Organische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Wolfgang Frey
- Institut für Organische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Angelika Baro
- Institut für Organische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Cosima Stubenrauch
- Institut für Physikalische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Frank Giesselmann
- Institut für Physikalische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Sabine Laschat
- Institut für Organische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
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Sheldon RA. Biocatalysis and Biomass Conversion in Alternative Reaction Media. Chemistry 2016; 22:12984-99. [DOI: 10.1002/chem.201601940] [Citation(s) in RCA: 127] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Roger A. Sheldon
- Molecular Sciences Institute; School of Chemistry; University of the Witwatersrand; 2050; Johannesburg South Africa
- Department of Biotechnology; Delft University of Technology; Julianalaan 136 2628 BL Delft Netherlands
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Widespread Chemical Detoxification of Alkaloid Venom by Formicine Ants. J Chem Ecol 2015; 41:884-95. [DOI: 10.1007/s10886-015-0625-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Revised: 08/04/2015] [Accepted: 09/01/2015] [Indexed: 11/25/2022]
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Zhang QH, McDonald DL, Hoover DR, Aldrich JR, Schneidmiller RG. North American Invasion of the Tawny Crazy Ant (Nylanderia fulva) Is Enabled by Pheromonal Synergism from Two Separate Glands. J Chem Ecol 2015; 41:853-8. [PMID: 26315627 DOI: 10.1007/s10886-015-0622-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 07/07/2015] [Accepted: 08/14/2015] [Indexed: 11/28/2022]
Abstract
A new invader, the "tawny crazy ant", Nylanderia fulva (Hymenoptera: Formicidae; Formicinae), is displacing the red imported fire ant, Solenopsis invicta (Formicidae: Myrmicinae), in the southern U.S., likely through its superior chemical arsenal and communication. Alone, formic acid is unattractive, but this venom (= poison) acid powerfully synergizes attraction of tawny crazy ants to volatiles from the Dufour's gland secretion of N. fulva workers, including the two major components, undecane and 2-tridecanone. The unexpected pheromonal synergism between the Dufour's gland and the venom gland appears to be another key factor, in addition to previously known defensive and detoxification semiochemical features, for the successful invasion and domination of N. fulva in the southern U.S. This synergism is an efficient mechanism enabling N. fulva workers to outcompete Solenopsis and other ant species for food and territory. From a practical standpoint, judicious point-source release formulation of tawny crazy ant volatiles may be pivotal for enhanced attract-and-kill management of this pest.
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Affiliation(s)
- Qing-He Zhang
- Sterling International, Inc., 3808 N. Sullivan Rd., Bldg. 16, Spokane, WA, 99216, USA.
| | - Danny L McDonald
- Texas Research Institute for Environmental Studies, Sam Houston State University, 2424 Sam Houston Avenue, Suite B-8, Box 2506, Huntsville, TX, 77341, USA
| | - Doreen R Hoover
- Sterling International, Inc., 3808 N. Sullivan Rd., Bldg. 16, Spokane, WA, 99216, USA
| | - Jeffrey R Aldrich
- Jeffrey R. Aldrich consulting LLC, P. O. Box 7887, Santa Cruz, CA, 95061, USA.,Associate, Department of Entomology and Nematology, University of California, Davis, CA, 95616, USA
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