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Machine Learning Strategies for Target and Non-target Chemical Compound Space

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Computational and Theoretical Chemistry".

Deadline for manuscript submissions: closed (1 September 2023) | Viewed by 2844

Special Issue Editors


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Guest Editor
Faculty of Chemistry and Pharmacy, University of Sofia, 1 James Bourchier Blvd., 1126 Sofia, Bulgaria
Interests: analytical chemistry; chemometrics
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of chemistry, University of Fribourg, Fribourg, Switzerland
Interests: computer chemistry; machine learning
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Recent advancements in machine learning have provided powerful tools for the exploration of the wide range of chemical compound space. The applicability of these machine learning methods creates the new avenues regarding the exploration of chemical compound space, starting from virtual sampling in the development and repurposing of new molecules to design materials with desired properties. 

The analytical chemistry of various chemical species is a task of extreme importance. Performing target (the analytical determination of specific analyte(s)) or non-target (the determination of different analytes without specific aims for the determination) analysis is always a real analytical challenge. Various advanced instrumental methods are used to ensure the required analytical quality of the results obtained. Therefore, the correct performance of analytical procedures for the determination of organic and inorganic chemical compounds of different origins (contaminants from anthropogenic or natural sources, compounds for material science or green chemistry liquids and solvents, etc.) followed by the complete assessment of the methods applied for all aspects of quality assurance is one of the major goals of the present Special Issue.

Another important goal of this Special Issue is to invite researchers to contribute reliable estimations of monitoring data. This is usually achieved through the application of the methods united under the title of machine learning (ML) approaches characterized by their ability to classify and model large sets of monitoring data. The role of the multivariate statistical procedures known as chemometrics should not be underestimated as options for intelligent data interpretation. Research studies in these fields are also encouraged.

Dr. Vasil D. Simeonov
Dr. Miroslava A. Nedyalkova
Guest Editors

Manuscript Submission Information

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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. Molecules is an international peer-reviewed open access semimonthly 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 2700 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

  • machine learning
  • chemical compound
  • pollutants
  • virtual screening
  • docking
  • multivariate statistics
  • molecular dynamics
  • QSPR
  • target and non-target analysis

Published Papers (2 papers)

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Research

9 pages, 1934 KiB  
Article
Multivariate Statistical Analysis for Mutual Dependence Assessment of Selected Polyphenols, Organic Acids and Metals in Cool-Climate Wines
by Magdalena Fabjanowicz, Vasil Simeonov, Marcin Frankowski, Wojciech Wojnowski and Justyna Płotka-Wasylka
Molecules 2022, 27(19), 6566; https://doi.org/10.3390/molecules27196566 - 4 Oct 2022
Cited by 2 | Viewed by 1201
Abstract
Polyphenols, organic acids and metal ions are an important group of compounds that affect the human health and quality of food and beverage products, including wines. It is known that a specific correlation between these groups exist. While wines coming from the New [...] Read more.
Polyphenols, organic acids and metal ions are an important group of compounds that affect the human health and quality of food and beverage products, including wines. It is known that a specific correlation between these groups exist. While wines coming from the New World and the Old World countries are extensively studied, wines coming from cool-climate countries are rarely discussed in the literature. One of the goals of this study was to determine the elemental composition of the wine samples, which later on, together as polyphenols and organic acids content, was used as input data for chemometric analysis. The multivariate statistical approach was applied in order to find specific correlations between the selected group of compounds in the cool-climate wines and the features that distinguish the most and differ between red and white wines and rosé wines. Moreover, special attention was paid to resveratrol and its correlation with selected wine constituents. Full article
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18 pages, 2706 KiB  
Article
Developing an Intelligent Data Analysis Approach for Marine Sediments
by Miroslava Nedyalkova and Vasil Simeonov
Molecules 2022, 27(19), 6539; https://doi.org/10.3390/molecules27196539 - 3 Oct 2022
Cited by 2 | Viewed by 1276
Abstract
(1) Background: As the chemical and physicochemical properties of marine sediments are closely related to natural and anthropogenic events, it is a real challenge to use their specific assessment as an indicator of environmental pollution discharges. (2) Methods: It is addressed in this [...] Read more.
(1) Background: As the chemical and physicochemical properties of marine sediments are closely related to natural and anthropogenic events, it is a real challenge to use their specific assessment as an indicator of environmental pollution discharges. (2) Methods: It is addressed in this study that collection with intelligent data analysis methods, such as cluster analysis, principal component analysis, and source apportionment modeling, are applied for the assessment of the quality of marine sediment and for the identification of the contribution of pollution sources to the formation of the total concentration of polluting species. A study of sediment samples was carried out on 174 samples from three different areas along the coast of the Varna Gulf, Bulgaria. This was performed to determine the effects of pollution. As chemical descriptors, 34 indicators (toxic metals, polyaromatic hydrocarbons, polychlorinated biphenyls, nutrient components, humidity, and ignition loss) were used. The major goal of the present study was to assess the sediment quality in three different areas along the Gulf of Varna, Bulgaria by the source apportionment method. (3) Results: There is a general pattern for identifying three types of pollution sources in each area of the coastline with varying degrees of variation between zone A (industrially impacted zones), zone B (recreational areas), and zone C (anthropogenic and industrial wastes). (4) Conclusions: The quantitative apportionment procedure made it possible to determine the contribution of each identified pollution source for each zone in forming the total pollutant concentrations. Full article
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