Special Issue "Eutectic Solvents"

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Macromolecular Crystals".

Deadline for manuscript submissions: 30 September 2020.

Special Issue Editors

Prof. Piotr Cysewski
Website
Guest Editor
Nicolaus Copernicus University, Collegium Medicum in Bydgoszcz, Department of Physical Chemistry
Interests: in silico modelling and experimental studies on new solid and liquid drugs formulations including drugs solubility enhancements, cocrystallization and natural deep eutectic solvents formulations
Dr. Tomasz Jeliński
Website
Guest Editor
Nicolaus Copernicus University, Collegium Medicum in Bydgoszcz, Department of Physical Chemistry
Interests: experimental studies on new liquid drugs formulations including natural deep eutectic solvents

Special Issue Information

Dear Colleagues,

Eutectic molecular liquids (EMLs) as functional liquid media have attracted great attention for their extreme broad range of applications granted from their special and tunable properties. Thousands of research projects have been successively launched, revolutionizing, among others such areas, green chemistry formulations, organic synthesis and catalysis, alternative media for metal processing, selective purification with extraction and micro-extraction, recovery of natural products, effective dissolution media, cosmetic and pharmaceutical formulations, biorenewable polymers processing, energy storage and energy transportation, nanofluids, nanomaterials preparation, supercapacitors, and luminescent materials or electrochromic devices.

This variety of applications originated from a diversity of possible formulations encompassing simple molecular eutectic systems, eutectic metal and organic alloys, ionic liquids (ILs), deep eutectic solvents (DES) and also natural deep eutectic solvents (NADES). Apart from experimental studies, new theoretical issues have emerged around in silico modeling, including quantum chemistry approaches, molecular dynamic studies, and linear and nonlinear modeling, including QSPR and neural networks.

We invite researchers to seize this opportunity to take part of a unique multidisciplinary forum covering broad theoretical and practical aspects of EMLs and to contribute to the Special Issue on eutectic solvents not only to comprehensively review and systematize accumulated knowledge but also to present new features worth sharing with the scientific community.

The potential topics include but are not limited to EMLs:

-    Synthesis and stability;

-    Properties, including bioproperties;

-    Instrumental characteristics;

-    Theoretical considerations;

-    Structure to properties relationships;

-    Practical applications.

Prof. Piotr Cysewski
Dr. Tomasz Jeliński
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. Crystals 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 1600 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

  • Functional Liquid Media (FLM)
  • Eutectic Mixtures (EM)
  • Ionic Liquids (IL)
  • Deep eutectic solvents (DES)
  • Natural deep eutectic solvents (NADES)

Published Papers (2 papers)

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Research

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Open AccessArticle
Investigation of Total Phenolic Content and Antioxidant Activities of Spruce Bark Extracts Isolated by Deep Eutectic Solvents
Crystals 2020, 10(5), 402; https://doi.org/10.3390/cryst10050402 - 16 May 2020
Abstract
Extracts from spruce bark obtained using different deep eutectic solvents were screened for their total phenolic content (TPC) and antioxidant activities. Water containing choline chloride-based deep eutectic solvents (DESs) with lactic acid and 1,3-propanediol, 1,3-butanediol, 1,4-butanediol, and 1,5-pentanediol, with different molar ratios, were [...] Read more.
Extracts from spruce bark obtained using different deep eutectic solvents were screened for their total phenolic content (TPC) and antioxidant activities. Water containing choline chloride-based deep eutectic solvents (DESs) with lactic acid and 1,3-propanediol, 1,3-butanediol, 1,4-butanediol, and 1,5-pentanediol, with different molar ratios, were used as extractants. Basic characteristics of the DESs (density, viscosity, conductivity, and refractive index) were determined. All the DESs used behave as Newtonian liquids. The extractions were performed for 2 h at 60 °C under continuous stirring. TPC was determined spectrophotometrically, using the Folin-Ciocalteu reagent, and expressed as gallic acid equivalent (GAE). The antioxidant activity was determined spectrophotometrically by 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assay. The TPC varied from 233.6 to 596.2 mg GAE/100 g dry bark; radical scavenging activity (RSA) ranged between 81.4% and 95%. This study demonstrated that deep eutectic solvents are suitable solvents for extracting phenolic compounds from spruce bark. Full article
(This article belongs to the Special Issue Eutectic Solvents)
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Review

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Open AccessReview
Involvement of Deep Eutectic Solvents in Extraction by Molecularly Imprinted Polymers—A Minireview
Crystals 2020, 10(3), 217; https://doi.org/10.3390/cryst10030217 - 19 Mar 2020
Abstract
Substantial research activity has been focused on new modes of extraction and refining processes during the last decades. In this field, coverage of the recovery of bioactive compounds and the role of green solvents such as deep eutectic solvents (DESs) also gradually increases. [...] Read more.
Substantial research activity has been focused on new modes of extraction and refining processes during the last decades. In this field, coverage of the recovery of bioactive compounds and the role of green solvents such as deep eutectic solvents (DESs) also gradually increases. A specific field of DESs involvement is represented by molecularly imprinted polymers (MIPs). The current state and prospects of implementing DESs in MIPs chemistry are, based on the accumulated experimental data so far, evaluated and discussed in this minireview. Full article
(This article belongs to the Special Issue Eutectic Solvents)
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