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Current Advances in Environmental Analytical Chemistry

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

Deadline for manuscript submissions: closed (1 August 2025) | Viewed by 230

Special Issue Editors


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Guest Editor
Center for Environmental Risk Assessment, Korea Institute of Ocean Science and Technology, Geoje, Republic of Korea
Interests: environmental and analytical chemistry; environmental pollution; high-resolution mass spectrometry; plastic chemicals
Center for Environmental Risk Assessment, Korea Institute of Ocean Science and Technology, Gyeongsangnamdo, Republic of Korea
Interests: environmental and analytical chemistry; chemometrics and machine learning; environmental pollution; high-resolution mass spectrometry

Special Issue Information

Dear Colleagues,

We are pleased to invite the submission of original research articles and reviews for an upcoming publication in a leading journal focused on environmental analytical chemistry. This Special Issue aims to address cutting-edge advancements, methodologies, and applied research in analytical chemistry with a direct emphasis on understanding environmental pollutants. We welcome manuscripts that contribute to current and emerging analytical techniques, improving detection and quantification methods, assessing chemical exposure, or evaluating environmental pollution.

Topics of interest include, but are not limited to, the following:

  • Novel analytical methods for detecting environmental contaminants in multimedia samples (air, soil, water, etc.).
  • Improvised methods for analyzing environmental hazardous chemicals (PAHs, POPs, heavy metals, and other emerging contaminants).
  • Technique development for detection and measurement of environmental pollutants (atmospheric VOCs, sub-micron aerosols, atmospheric micro- and nano-plastics, etc.).
  • New methods that introduce advanced chemometrics (chemical analysis and machine learning).
  • Reviews of traditional analytical methods and suggestions of areas that require further development.

We look forward to your valuable contributions, which will enrich this publication with innovative research and provide a foundation for advancing our understanding of the intersections between analytical chemistry and human health.

Dr. Mi Jang
Dr. Andrew Loh
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

  • analytical chemistry
  • plastic chemicals
  • high-resolution instrumental analysis
  • environmental science
  • environmental pollution
  • atmospheric photochemical interaction
  • chemometrics

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Published Papers (1 paper)

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Research

22 pages, 2137 KB  
Article
Unraveling the Molecular Composition and Reactivity Differentiation of Algae- and Macrophyte-Derived Dissolved Organic Matter in Plateau Lakes: Insights from Optical Properties and High Resolution Mass Spectrometry Characterization
by Qiuxing Li, Runyu Zhang, Haijun Yuan, Liying Wang and Shuxia Xu
Molecules 2025, 30(17), 3510; https://doi.org/10.3390/molecules30173510 - 27 Aug 2025
Abstract
Most lacustrine dissolved organic matter (DOM) still lacks comprehensive environmental sources and molecular characterization, especially in plateau lakes. Herein, macrophytes and algae from contrasting lakes of the Yunnan-Guizhou Plateau, together with Suwannee River fulvic acid (SRFA), were used to characterize the total identified [...] Read more.
Most lacustrine dissolved organic matter (DOM) still lacks comprehensive environmental sources and molecular characterization, especially in plateau lakes. Herein, macrophytes and algae from contrasting lakes of the Yunnan-Guizhou Plateau, together with Suwannee River fulvic acid (SRFA), were used to characterize the total identified DOM (Bulk-DOM) and low-molecular-weight DOM (LMW-DOM, <200 Da). To address this, we combined spectroscopy with Fourier transform ion cyclotron resonance (FT-ICR) and Orbitrap mass spectrometry (MS). Algae-derived DOM (ADOM) exhibited endogenous DOM characteristics, while macrophyte-derived DOM (MDOM) showed the characteristics of endogenous and terrigenous DOM. ADOM contained numerous heteroatoms, with high proportions of proteins, carbohydrates, and lipids. The chemical structures of ADOM were more aliphatic and degradable than that of MDOM. Conversely, MDOM and SRFA had higher degree of humification and aromaticity and showed greater resistance to microbial degradation. The capability of Orbitrap MS to characterize P-containing molecules was superior to FT-ICR MS. Moreover, significant differences were found between FT-ICR and Orbitrap MS in weighted average carbon atom number, weighted average mass-to-charge ratio, carbohydrates, and P-containing compounds. LMW-DOM accounted for approximately 10% of Bulk-DOM. Compared to Bulk-DOM, LMW-DOM was more active than Bulk-DOM because of the reduced state and more N-containing compounds. This study provides a valuable perspective to reveal the molecular characteristics and behaviors of ADOM and MDOM, which has crucial implications for carbon cycling in aquatic ecosystems. Full article
(This article belongs to the Special Issue Current Advances in Environmental Analytical Chemistry)
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