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Special Issue "Ionic Liquids 2018 and Selected Papers from ILMAT IV"

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: 31 July 2018

Special Issue Editors

Guest Editor
Prof. Dr. Andreas Taubert

Institute of Chemistry, University of Potsdam, Building 26, Rm. 2.64, Karl-Liebknecht-Str. 24-25, D-14476 Golm, Germany
Website | E-Mail
Fax: +49 331 977 5055
Interests: inorganic materials synthesis in ionic liquids; functional ionic liquids-hybrid materials; ionogels; biomimetic materials; hybrid materials; calcium phosphate; silica
Guest Editor
Dr. Peter Hesemann

Institut Charles Gerhardt, UMR 5253 CNRS-UM-ENSCM, Université de Montpellier, Place Eugène Bataillon, 34095 Montpellier Cedex 05, France
Website | E-Mail
Interests: ionosilicas—nanostructured silica hybrid materials bearing ionic substructures; soft templating approaches to nanostructured silica type materials; heterogeneous (organo-)catalysis, ion exchange reactions with ionosilicas
Guest Editor
Dr. Oscar Cabeza Gras

Departamento de Física, Facultade de Ciencias, Campus da Zapateira s/n. Universidade da Coruña, 15071 A Coruña, Spain
Website | E-Mail
Phone: 34 981 167000
Interests: ionic liquids; deep eutectic solvents; experimental magnitudes; charge and mass transport; ionogels; nanoparticles
Guest Editor
Dr. Luis Miguel Varela Cabo

Grupo de Nanomateriales, Fotónica y Materia Blanda. Departamento de Física de Partículas, Facultade de Física, Universidade de Santiago de Compostela, Campus Vida s/n, E-15782 Santiago de Compostela, Spain
Website | E-Mail
Interests: statistical mechanics, charged complex fluids; electrolyte solutions, molten salts, ionic liquids; thermodynamics and transport properties; nanomaterials; statistical mechanics of complex systems; complex networks
Guest Editor
Dr. Elena López Lago

Nanomaterials, Photonics and Soft Matter Research Group, Departamento de Física Aplicada, Universidade de Santiago de Compostela, Campus Vida s/n, E-15782 Santiago de Compostela, Spain
Website | E-Mail
Interests: linear and nonlinear optical properties; spectroscopy; optical instrumentation; interferometry; spectrometry

Special Issue Information

Dear Colleagues,

Ionic liquids (ILs) are at the forefront of modern materials research and development, and virtually every field of application has at least seen attempts of using ILs for advanced materials design. Although not all attempts have been equally successful, ILs are among the most versatile and promising materials or material components in today's advanced materials. Fields of interest encompass energy, health, catalysis, environment, and many other areas. The Special Issue aims at highlighting recent key developments of the field and invites high profile contributions from all areas related to ionic liquids for advanced materials design and application.

This Special Issue is cooperating with the international conference ILMAT IV (https://www.ilmat.net/). All speakers presenting a paper at this conference can submit a manuscript for publication.

Prof. Dr. Andreas Taubert
Dr. Peter Hesemann
Dr. Oscar Cabeza Gras
Dr. Luis Miguel Varela Cabo
Dr. Elena López Lago
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • ionic liquids
  • ionic liquid crystals
  • catalysis
  • energy
  • health
  • nanomaterials
  • composites
  • ionogels
  • synthesis
  • electrochemistry

Related Special Issues

Published Papers (4 papers)

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Research

Open AccessArticle Kluyveromyces marxianus, an Attractive Yeast for Ethanolic Fermentation in the Presence of Imidazolium Ionic Liquids
Int. J. Mol. Sci. 2018, 19(3), 887; https://doi.org/10.3390/ijms19030887
Received: 30 January 2018 / Revised: 11 March 2018 / Accepted: 14 March 2018 / Published: 16 March 2018
PDF Full-text (7220 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
Imidazolium ionic liquids (ILs) are promising solvents for lignocellulosic biomass (LCB) pretreatment and allow the achievement of higher ethanolic yields after enzymatic hydrolysis and ethanolic fermentation. However, residual ILs entrapped in pretreated biomass are often toxic for fermentative microorganisms, but interaction mechanisms between
[...] Read more.
Imidazolium ionic liquids (ILs) are promising solvents for lignocellulosic biomass (LCB) pretreatment and allow the achievement of higher ethanolic yields after enzymatic hydrolysis and ethanolic fermentation. However, residual ILs entrapped in pretreated biomass are often toxic for fermentative microorganisms, but interaction mechanisms between ILs and cells are still unknown. Here we studied the effects of 1-ethyl-3-methylimidazolium acetate [Emim][OAc] and 1-ethyl-3-methylimidazolium methylphosphonate [Emim][MeO(H)PO2] on Kluyveromyces marxianus, a thermotolerant ethanologenic yeast. Morphological impacts induced by ILs on K. marxianus were characterized by Scanning Electron Microscopy analysis and showed wrinkled, softened, and holed shapes. In Yeast-Malt-Dextrose (YMD) medium, K. marxianus tolerated IL additions up to 2% for [Emim][OAc] and 6% for [Emim][MeO(H)PO2]. Below these thresholds, some IL concentrations enhanced ethanolic yields up to +34% by switching the metabolic status from respiratory to fermentative. Finally, K. marxianus fermentation was applied on several substrates pretreated with [Emim][OAc] or [Emim][MeO(H)PO2] and enzymatically hydrolyzed: a model long fiber cellulose and two industrial LCBs, softwood (spruce) and hardwood (oak) sawdusts. The maximum ethanolic yields obtained were 1.8 to 3.9 times higher when substrates were pretreated with imidazolium ILs. Therefore K. marxianus is an interesting fermentative yeast in a second-generation bioethanol process implying IL pretreatment. Full article
(This article belongs to the Special Issue Ionic Liquids 2018 and Selected Papers from ILMAT IV)
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Open AccessArticle Virucidal or Not Virucidal? That Is the Question—Predictability of Ionic Liquid’s Virucidal Potential in Biological Test Systems
Int. J. Mol. Sci. 2018, 19(3), 790; https://doi.org/10.3390/ijms19030790
Received: 30 January 2018 / Revised: 26 February 2018 / Accepted: 4 March 2018 / Published: 9 March 2018
PDF Full-text (1443 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
For three decades now, ionic liquids (ILs), organic salts comprising only ions, have emerged as a new class of pharmaceuticals. Although recognition of the antimicrobial effects of ILs is growing rapidly, there is almost nothing known about their possible virucidal activities. This probably
[...] Read more.
For three decades now, ionic liquids (ILs), organic salts comprising only ions, have emerged as a new class of pharmaceuticals. Although recognition of the antimicrobial effects of ILs is growing rapidly, there is almost nothing known about their possible virucidal activities. This probably reflects the paucity of understanding virus inactivation. In this study, we performed a systematic analysis to determine the effect of specific structural motifs of ILs on three different biological test systems (viruses, bacteria and enzymes). Overall, the effects of 27 different ILs on two non-enveloped and one enveloped virus (P100, MS2 and Phi6), two Gram negative and one Gram positive bacteria (E. coli, P. syringae and L. monocytogenes) and one enzyme (Taq DNA polymerase) were investigated. Results show that while some ILs were virucidal, no clear structure activity relationships (SARs) could be identified for the non-enveloped viruses P100 and MS2. However, for the first time, a correlation has been demonstrated between the effects of ILs on enveloped viruses, bacteria and enzyme inhibition. These identified SARs serve as a sound starting point for further studies. Full article
(This article belongs to the Special Issue Ionic Liquids 2018 and Selected Papers from ILMAT IV)
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Graphical abstract

Open AccessArticle ON the Nature of Ionic Liquid Gating of La2−xSrxCuO4
Int. J. Mol. Sci. 2018, 19(2), 566; https://doi.org/10.3390/ijms19020566
Received: 7 January 2018 / Revised: 7 February 2018 / Accepted: 9 February 2018 / Published: 13 February 2018
PDF Full-text (10209 KB) | HTML Full-text | XML Full-text
Abstract
Ionic liquids have recently been used as means of modulating the charge carrier properties of cuprates. The mechanism behind it, however, is still a matter of debate. In this paper we report experiments on ionic liquid gated ultrathin La2−xSrxCuO
[...] Read more.
Ionic liquids have recently been used as means of modulating the charge carrier properties of cuprates. The mechanism behind it, however, is still a matter of debate. In this paper we report experiments on ionic liquid gated ultrathin La2−xSrxCuO4 films. Our results show that the electrostatic part of gating has limited influence in the conductance of the cuprate in the gate voltage range of 0 to 2 V. A non-electrostatic mechanism takes over for gate voltages below 2 V. This mechanism most likely changes the oxygen concentration of the film. The results presented are in line with previous X-ray based studies on ionic liquid gating induced oxygenation of the cuprate materials YBa2Cu3O7−x and La2−xSrxCuO4. Full article
(This article belongs to the Special Issue Ionic Liquids 2018 and Selected Papers from ILMAT IV)
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Open AccessArticle Ionic Liquid-Mediated Homogeneous Esterification of Cinnamic Anhydride to Xylans
Int. J. Mol. Sci. 2017, 18(12), 2502; https://doi.org/10.3390/ijms18122502
Received: 3 November 2017 / Revised: 20 November 2017 / Accepted: 21 November 2017 / Published: 23 November 2017
PDF Full-text (2964 KB) | HTML Full-text | XML Full-text
Abstract
A new functional biopolymer was synthesized through an ionic liquid-mediated homogeneous grafting of cinnamic anhydride to xylans. The ionic liquid used was 1-allyl-3-methylimidazolium chloride (AMIMCl) ionic liquid. Xylans with degrees of substitution (DS) between 0.11 and 0.57 were accessible in a completely homogeneous
[...] Read more.
A new functional biopolymer was synthesized through an ionic liquid-mediated homogeneous grafting of cinnamic anhydride to xylans. The ionic liquid used was 1-allyl-3-methylimidazolium chloride (AMIMCl) ionic liquid. Xylans with degrees of substitution (DS) between 0.11 and 0.57 were accessible in a completely homogeneous system by changing catalysts (NaOH, KOH and LiOH), time, reaction temperature, and cinnamic anhydride/xylan molar ratio. The chemical structure and the thermal stability of the derivatives were characterized by Fourier transform infrared spectroscopy (FT-IR), 13C-NMR spectroscopy, and thermogravimetry. The thermal stability of the derivatives was reduced compared with the original xylan. Possible applications of the cinnamic anhydride-acylated xylan derivatives include wet-end papermaking, organic–inorganic composite films, and hydrogels. Full article
(This article belongs to the Special Issue Ionic Liquids 2018 and Selected Papers from ILMAT IV)
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