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Development of Chromatographic Methods Hyphenated Systems to Mass Spectrometry

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

Deadline for manuscript submissions: closed (30 October 2022) | Viewed by 2609

Special Issue Editors


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Guest Editor
Instituto de Química, Universidade Federal de Goiás, Goiânia 74001-970, GO, Brazil
Interests: separation science; liquid chromatography; mass spectrometry; sample preparation; miniaturized separation systems; sorbent development

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Guest Editor
Chromatography and Mass Spectrometry Laboratory, Universidade Federal de Goiás, Goiânia 74690-900, GO, Brazil
Interests: mass spectrometry; complex mixtures analysis; petroleomics and environmental omics; ambient mass spectrometry

Special Issue Information

Dear Colleagues,

The separation techniques, especially liquid chromatography (LC), have been widely used over the last years, and they are essential in many laboratories being used in the routine analysis or else for new molecule discovery. Undoubtedly, the hyphenation of the mass spectrometry systems (MS) with LC equipment, and the improvement on the LC-MS systems technology support the extensive use of these separation techniques.

The potential of separation techniques hyphenated with the MS system afforded the determination of trace level content in complex samples. The LC-MS methodologies brought considerable contributions to different scientific fields such as environmental, pharmaceutical, clinical, food and forensic fields.

The consolidation of separation science hyphenated to mass spectrometry also contributed to the miniaturization of separation systems development and reduce all analytical processes. However, the complexity of some samples and the need to investigate thousands of compounds exceeds the capacity of just one separation step. Thus, multidimensional liquid chromatography methods could provide a way to clarify these very complex matrixes.

In this Special Issue, we welcome original research articles and reviews on the development of LC-MS methodologies (conventional, miniaturized, or multidimensional) for all science fields, considering that the LC-MS method was essential to problem investigation.

Prof. Dr. Andrea Rodrigues Chaves
Dr. Boniek Gontijo Vaz
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 submissions that pass pre-check are 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. 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

  • separation science
  • liquid chromatography
  • mass spectrometry
  • sample preparation
  • miniaturized separation systems
  • sorbent development

Published Papers (1 paper)

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Research

15 pages, 2723 KiB  
Article
LC-HRMS/MS-Based Metabolomics Approaches Applied to the Detection of Antifungal Compounds and a Metabolic Dynamic Assessment of Orchidaceae
by Gesiane S. Lima, Nerilson M. Lima, Jussara V. Roque, Deborah V. A. de Aguiar, João V. A. Oliveira, Gabriel F. dos Santos, Andrea R. Chaves and Boniek G. Vaz
Molecules 2022, 27(22), 7937; https://doi.org/10.3390/molecules27227937 - 16 Nov 2022
Cited by 3 | Viewed by 2311
Abstract
The liquid chromatography–mass spectrometry (LC-MS)-based metabolomics approach is a powerful technology for discovering novel biologically active molecules. In this study, we investigated the metabolic profiling of Orchidaceae species using LC-HRMS/MS data combined with chemometric methods and dereplication tools to discover antifungal compounds. We [...] Read more.
The liquid chromatography–mass spectrometry (LC-MS)-based metabolomics approach is a powerful technology for discovering novel biologically active molecules. In this study, we investigated the metabolic profiling of Orchidaceae species using LC-HRMS/MS data combined with chemometric methods and dereplication tools to discover antifungal compounds. We analyze twenty ethanolic plant extracts from Vanda and Cattleya (Orchidaceae) genera. Molecular networking and chemometric methods were used to discriminate ions that differentiate healthy and fungal-infected plant samples. Fifty-three metabolites were rapidly annotated through spectral library matching and in silico fragmentation tools. The metabolomic profiling showed a large production of polyphenols, including flavonoids, phenolic acids, chromones, stilbenoids, and tannins, which varied in relative abundance across species. Considering the presence and abundance of metabolites in both groups of samples, we can infer that these constituents are associated with biochemical responses to microbial attacks. In addition, we evaluated the metabolic dynamic through the synthesis of stilbenoids in fungal-infected plants. The tricin derivative flavonoid- and the loliolide terpenoidfound only in healthy plant samples, are promising antifungal metabolites. LC-HRMS/MS, combined with state-of-the-art tools, proved to be a rapid and reliable technique for fingerprinting medicinal plants and discovering new hits and leads. Full article
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