Chiral Pesticides with Asymmetric Sulfur: Extraction, Separation, and Determination in Different Environmental Matrices

Chiral pesticides with S atoms as asymmetric centers are gaining great importance in the search for new pesticides with new modes of action. As for the rest of the chiral pesticides, the determination of the stereoisomers separately has become crucial in the environmental risks assessment of these p...

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Main Authors: Rocío López-Cabeza, Antonio Francioso
Format: Article
Language:English
Published: MDPI AG 2022-01-01
Series:Separations
Subjects:
Online Access:https://www.mdpi.com/2297-8739/9/2/29
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author Rocío López-Cabeza
Antonio Francioso
author_facet Rocío López-Cabeza
Antonio Francioso
author_sort Rocío López-Cabeza
collection DOAJ
description Chiral pesticides with S atoms as asymmetric centers are gaining great importance in the search for new pesticides with new modes of action. As for the rest of the chiral pesticides, the determination of the stereoisomers separately has become crucial in the environmental risks assessment of these pesticides. Therefore, the development of suitable extraction and clean-up methods as well as efficient stereoselective analytical techniques for stereoisomers determination in environmental samples is essential. Currently, liquid/solid phase extraction, microextraction, and QuEChERS-based methods are most commonly used to obtain chiral pesticides from environmental samples. Gas, liquid, and supercritical fluid chromatography together with capillary electrophoresis techniques are the most important for the determination of the stereoisomers of chiral pesticides containing S atoms in its structure. In this study, all these techniques are briefly reviewed, and the advantages and disadvantages of each are discussed.
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spelling doaj.art-47928ff53c73440fb8b7ca96bf8a6d052023-11-23T22:03:48ZengMDPI AGSeparations2297-87392022-01-01922910.3390/separations9020029Chiral Pesticides with Asymmetric Sulfur: Extraction, Separation, and Determination in Different Environmental MatricesRocío López-Cabeza0Antonio Francioso1Departamento de Química Orgánica, Instituto Universitario de Bio-Orgánica Antonio González, Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez 2, 38206 La Laguna, SpainDepartamento de Química Orgánica, Instituto Universitario de Bio-Orgánica Antonio González, Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez 2, 38206 La Laguna, SpainChiral pesticides with S atoms as asymmetric centers are gaining great importance in the search for new pesticides with new modes of action. As for the rest of the chiral pesticides, the determination of the stereoisomers separately has become crucial in the environmental risks assessment of these pesticides. Therefore, the development of suitable extraction and clean-up methods as well as efficient stereoselective analytical techniques for stereoisomers determination in environmental samples is essential. Currently, liquid/solid phase extraction, microextraction, and QuEChERS-based methods are most commonly used to obtain chiral pesticides from environmental samples. Gas, liquid, and supercritical fluid chromatography together with capillary electrophoresis techniques are the most important for the determination of the stereoisomers of chiral pesticides containing S atoms in its structure. In this study, all these techniques are briefly reviewed, and the advantages and disadvantages of each are discussed.https://www.mdpi.com/2297-8739/9/2/29chiralityasymmetric sulfurenantioselectivity and stereoselectivitypesticidesextraction methodschromatographic techniques
spellingShingle Rocío López-Cabeza
Antonio Francioso
Chiral Pesticides with Asymmetric Sulfur: Extraction, Separation, and Determination in Different Environmental Matrices
Separations
chirality
asymmetric sulfur
enantioselectivity and stereoselectivity
pesticides
extraction methods
chromatographic techniques
title Chiral Pesticides with Asymmetric Sulfur: Extraction, Separation, and Determination in Different Environmental Matrices
title_full Chiral Pesticides with Asymmetric Sulfur: Extraction, Separation, and Determination in Different Environmental Matrices
title_fullStr Chiral Pesticides with Asymmetric Sulfur: Extraction, Separation, and Determination in Different Environmental Matrices
title_full_unstemmed Chiral Pesticides with Asymmetric Sulfur: Extraction, Separation, and Determination in Different Environmental Matrices
title_short Chiral Pesticides with Asymmetric Sulfur: Extraction, Separation, and Determination in Different Environmental Matrices
title_sort chiral pesticides with asymmetric sulfur extraction separation and determination in different environmental matrices
topic chirality
asymmetric sulfur
enantioselectivity and stereoselectivity
pesticides
extraction methods
chromatographic techniques
url https://www.mdpi.com/2297-8739/9/2/29
work_keys_str_mv AT rociolopezcabeza chiralpesticideswithasymmetricsulfurextractionseparationanddeterminationindifferentenvironmentalmatrices
AT antoniofrancioso chiralpesticideswithasymmetricsulfurextractionseparationanddeterminationindifferentenvironmentalmatrices