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Separations
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Chemical and Contaminant Residue Analysis via Chromatography
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Chemical and Contaminant Residue Analysis via Chromatography

A special issue of Separations (ISSN 2297-8739). This special issue belongs to the section "Chromatographic Separations".

Deadline for manuscript submissions: 10 November 2025 | Viewed by 3652

Special Issue Editors

Dr. Evangelia Tzanetou

E-Mail Website
Guest Editor
Benaki Phytopathological Institute, Department of Pesticides Control and Phytopharmacy, Laboratory of Chemical Control of Pesticides, 8 Stefanou Delta Street, Kifissia, 14561 Athens, Greece
Interests: pesticide residues soil; pesticides; method validation; chromatography; mass spectrometry; contaminants; bioactive compounds
Dr. Konstantinos M. Kasiotis

E-Mail Website
Guest Editor
Laboratory Pesticides’ Toxicology, Scientific Directorate of Pesticides' Control & Phytopharmacy, Benaki Phytopathological Institute (BPI), 14561 Athens, Greece
Interests: analytical chemistry; analytical toxicology; biomonitoring; phytochemistry

Special Issue Information

Dear Colleagues,

Traces/residues of organic contaminants and chemicals in a broader context are at the forefront of analytical chemistry and its applications. In this Special Issue, we aspire to collect current works in the field of chromatographically separating a plethora of chemicals in various commodities, emphasizing food, biological, and environmental samples. Studies using gas/liquid mass spectrometry (single and tandem) and high-resolution mass spectrometry (HRMS) are highly welcome to cover both targeted and untargeted chemical analyses in the investigated matrices. Risk assessment is also an area we seek to cover in this Special Issue to demonstrate the connection between analytical findings and the potential health effects that these chemicals can elicit on humans and the environment. This collection of papers can serve as a series of autonomous works that, in parallel, have a logical connection between them to provide a rationalized flow of knowledge, covering the majority of technological advances in mass spectrometry for contaminant residue chromatographic analysis and the needs of the analytical community, from students to researchers.

Dr. Evangelia Tzanetou
Dr. Konstantinos M. Kasiotis
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. Separations 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 2600 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

  • liquid chromatography
  • gas chromatography
  • contaminants
  • residues
  • volatile organic compounds
  • mass spectrometry
  • food
  • environment
  • biological fluids
  • regulatory compliance
  • risk assessment

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

16 pages, 2546 KiB  
Article
Volatile Organic Compounds in Honey: Tandem Mass Spectrometry as Tool to Quantitate Priority VOCs
by Evangelia N. Tzanetou, Efstathia Vousaxaki, Kyriaki Machera, Jozef van der Steen and Konstantinos M. Kasiotis
Separations 2024, 11(12), 352; https://doi.org/10.3390/separations11120352 - 17 Dec 2024
Viewed by 1001
Abstract
A headspace gas chromatographic tandem mass spectrometric (HS-GC-MS/MS) method was developed and fully validated, aiming for the simultaneous determination of 25 volatile organic compounds (VOCs, some of them previously unreported in honey bee studies) in 52 selected honey samples from Greece. The HS [...] Read more.
A headspace gas chromatographic tandem mass spectrometric (HS-GC-MS/MS) method was developed and fully validated, aiming for the simultaneous determination of 25 volatile organic compounds (VOCs, some of them previously unreported in honey bee studies) in 52 selected honey samples from Greece. The HS conditions were optimized, and method validation criteria were extensively investigated. The existence impact of the matrix effect was assessed, and matrix-matched calibration curves were developed for quantification purposes. The limits of quantification of the 25 analytes ranged from 0.2 ng g−1 to 0.6 ng g−1. Isoprene was the most commonly detected VOC, followed by octane and styrene. Other detected VOCs include benzene, n-hexane, trimethylbenzenes, xylenes, toluene, and p-dichlorobenzene. Concentrations fluctuated from 0.5 ng g−1 for isoprene and toluene, as well as 1,2,4-trimethylbenzene, to 22.6 ng g−1 for isoprene. Despite VOCs not being at the forefront of honey’s potential contamination, their prevalence in honey can provide significant data for human health risk assessment, considering their undisputable widespread consumption and the documented potential toxicity of VOCs in humans. In this sense, risk assessment for adults and children, as depicted in the hazard quotient and index and carcinogenic risk determination, did not disclose any potential threat after consumption of the investigated honey samples. Full article
(This article belongs to the Special Issue Chemical and Contaminant Residue Analysis via Chromatography)
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13 pages, 742 KiB  
Article
Nationwide Surveillance and Cumulative Risk Assessment of Pesticide Residues in Egyptian Vegetables: Results from 2018 to 2021
by Farag Malhat, Ayman Saber, El-Sayed Saber, Shokr Abel Salam Shokr and Mohammed Abdel-Megeed
Separations 2024, 11(11), 318; https://doi.org/10.3390/separations11110318 - 4 Nov 2024
Cited by 5 | Viewed by 2149
Abstract
Pesticide residues in food are a global concern due to their potential impacts on human health and the environment. This study investigates pesticide residues in vegetables commonly consumed in Egypt, utilizing advanced analytical techniques such as Liquid Chromatography–Tandem Mass Spectrometry (LC-MS/MS) and Gas [...] Read more.
Pesticide residues in food are a global concern due to their potential impacts on human health and the environment. This study investigates pesticide residues in vegetables commonly consumed in Egypt, utilizing advanced analytical techniques such as Liquid Chromatography–Tandem Mass Spectrometry (LC-MS/MS) and Gas Chromatography–Tandem Mass Spectrometry (GC-MS/MS). A total of 4200 vegetable samples, including cucumber, squash, eggplant, okra, peas, onion, green onion, parsley, lettuce, and cantaloupe, were collected from 20 markets across different Egyptian governorates between 2018 and 2021. The analysis revealed that 42% of the samples contained pesticide residues, with only 13% of the analyzed samples exceeding the maximum residue limits (MRLs) established by Codex/EU-MRL standards. Despite this, the estimated daily intake (EDI) of the detected pesticides did not surpass acceptable daily intake (ADI) limits, suggesting no immediate chronic health risks to consumers. These findings highlight Egypt’s ongoing commitment to food safety, while also underscoring the importance of continuous monitoring and the promotion of sustainable agricultural practices to ensure the long-term safety and quality of the food supply. Full article
(This article belongs to the Special Issue Chemical and Contaminant Residue Analysis via Chromatography)
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