Analytical Methods for the Determination of Emerging Contaminants

A special issue of Separations (ISSN 2297-8739).

Deadline for manuscript submissions: closed (15 April 2021) | Viewed by 7502

Special Issue Editors


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Guest Editor
REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 431, 4200-072 Porto, Portugal
Interests: analytical chemistry; chromatography; contaminants: pesticides; flame retardants, PCBs; environmental, food and human samples; monitoring and biomonitoring
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Special Issue Information

Dear Colleagues,

Emerging contaminants (EP) are synthetic or naturally occurring chemicals or any microorganisms that are not commonly monitored but have the potential to enter the environment and cause known or suspected adverse ecological and/or human health effects. They consist of pharmaceuticals, pesticides, industrial chemicals, surfactants, and personal care products that are consistently being found in several environmental (air, soil, water), food, and among other sources. They also include microplastics, endocrine-disrupting compounds, analgesics, antibiotics, hormones, and a whole range of other pharmaceutical compounds including anti-inflammatory, antidiabetic, and antiepileptic drugs. However, these compounds are often referred to as EP because of (i) the diversity of chemical properties of these compounds; (ii) generally low concentrations (usually at part per billion (ppb) or part per trillion (ppt) levels); (iii) the complexity of matrices; and (iv) the limited understanding of environmental occurrence, disposition, and fate. Actually, methods for sampling and analysis are not harmonized and are typically dedicated to certain limited EP classes and for a number of known highly hazardous Eps, detection limits are inadequate to allow proper risk assessment or are still in an initial state. A harmonized monitoring program has not yet been achieved and is urgently required. New methods for assessing the risks from combined exposures to several stressors, including mixtures of chemical and physical/biological agents in a multiscale approach are required.

This Special Issue will comprise research articles, short communications, and reviews related to the main analytical tools for the analysis of EP. Manuscripts dedicated to new analytical approaches in representative environmental, food, and human matrices are welcome. Furthermore, other aspects such as toxicology, chemometrics, sample preparation, treatment technologies, and green analytical chemistry will also be embraced.

As such, with this Special Issue, we intend to collect a broad overview of the potential analytical approaches for monitoring and controlling emerging pollutants.

Dr. Virgínia Cruz Fernandes
Prof. Dr. Cristina Delerue-Matos
Guest Editors

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Keywords

  • Emerging contaminants
  • Safety
  • Sample preparation
  • Analytical methods
  • Chromatography
  • Sensors/biosensors
  • Monitoring and biomonitoring
  • Control
  • Food
  • Environmental
  • Human samples

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Published Papers (2 papers)

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Research

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14 pages, 3732 KiB  
Article
Occurrence of Selected Known or Suspected Endocrine-Disrupting Pesticides in Portuguese Surface Waters Using SPME-GC-IT/MS
by José Vera, Virgínia Cruz Fernandes, Luísa Correia-Sá, Catarina Mansilha, Cristina Delerue-Matos and Valentina F. Domingues
Separations 2021, 8(6), 81; https://doi.org/10.3390/separations8060081 - 7 Jun 2021
Cited by 12 | Viewed by 2691
Abstract
A multiresidue analytical methodology based on a solid-phase microextraction (SPME), followed by gas chromatography-ion trap mass spectrometry (GC–IT/MS), has been developed for trace analysis of 20 known or suspected endocrine-disrupting pesticides. The SPME conditions are optimized considering several key parameters to obtain the [...] Read more.
A multiresidue analytical methodology based on a solid-phase microextraction (SPME), followed by gas chromatography-ion trap mass spectrometry (GC–IT/MS), has been developed for trace analysis of 20 known or suspected endocrine-disrupting pesticides. The SPME conditions are optimized considering several key parameters to obtain the maximum sensitivity. After the optimization, the method validation is performed, and the limits of detection (ranged from 2–150 ng/L) and the coefficient of determination (above 0.990) of studied compounds are determined for all the analytes. A robust sampling of twenty sampling points of surface water samples from the north and center of Portugal is performed, and the validated methodology is applied. In total, 20 compounds from four chemical families (13 organochlorine, 1 organophosphorus, 2 dicarboximide, and 4 pyrethroids) are studied, and the pesticides most frequently detected are eight organochlorine pesticides (α-, β-HCHs, lindane, HCB, o,p′-DDT, p,p′-DDE, p,p′-DDD, α-endosulfan), cypermethrin, and vinclozolin. Full article
(This article belongs to the Special Issue Analytical Methods for the Determination of Emerging Contaminants)
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Review

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25 pages, 1506 KiB  
Review
Emerging Contaminants in Seafront Zones. Environmental Impact and Analytical Approaches
by José S. Câmara, Sarah Montesdeoca-Esponda, Jorge Freitas, Rayco Guedes-Alonso, Zoraida Sosa-Ferrera and Rosa Perestrelo
Separations 2021, 8(7), 95; https://doi.org/10.3390/separations8070095 - 1 Jul 2021
Cited by 8 | Viewed by 3781
Abstract
Some chemical substances have the potential to enter the coastal and marine environment and cause adverse effects on ecosystems, biodiversity and human health. For a large majority of them, their fate and effects are poorly understood as well as their use still unregulated. [...] Read more.
Some chemical substances have the potential to enter the coastal and marine environment and cause adverse effects on ecosystems, biodiversity and human health. For a large majority of them, their fate and effects are poorly understood as well as their use still unregulated. Finding effective and sustainable strategies for the identification of these emerging and/or anthropogenic contaminants that might cause polluting effects in marine environments to mitigate their adverse effects, is of utmost importance and a great challenge for managers, regulators and researchers. In this review we will evaluate the impact of emerging contaminants (ECs) on marine coastal zones namely in their ecosystems and biodiversity, highlighting the potential risks of organic pollutants, pharmaceuticals and personal care products. Emerging microextraction techniques and high-resolution analytical platforms used in isolation, identification and quantification of ECs will be also reviewed. Full article
(This article belongs to the Special Issue Analytical Methods for the Determination of Emerging Contaminants)
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