Chemo- and enantioselective analysis of high hydrophilic organophosphate pesticides by liquid chromatography under different elution modes

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Federal de São Carlos (UFSCar)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorOka-Duarte, Leandro-
Autor(es): dc.creatorCass, Quezia Bezerra-
Autor(es): dc.creatorde Oliveira, Anderson Rodrigo Moraes-
Data de aceite: dc.date.accessioned2025-08-21T15:54:47Z-
Data de disponibilização: dc.date.available2025-08-21T15:54:47Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-05-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.jcoa.2024.100142-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/301225-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/301225-
Descrição: dc.descriptionAcephate and malathion are prevalent chiral organophosphate insecticides, giving rise to more toxic chiral metabolites such as methamidophos and malaoxon, respectively. Enantioselective separation of chiral pesticides is crucial due to the differing pharmacological, environmental, and toxicological profiles of enantiomers. This study systematically evaluates an enantio‑ and chemoselective performance of eight polysaccharide-based chiral columns (Chiralcel OB-H, Chiralcel OD-H, Chiralcel OJ-R, Chiralpak AD-H, Chiralpak AS-H, Chiralpak IG-3, Chiralpak IK-3, and Lux-Amylose-2) and ten mobile phases across multimodal elution (normal-phase, polar organic, and reversed-phase conditions). Within the 80 combinations per analyte, the chiral screening highlights specific enantioselectivity trends concerning hydrophilic and hydrophobic compounds when utilizing amylose- or cellulose-based polymers under different conditions. Notably, a set of columns including IK-3, OJ-R, AS-H, and AD-H demonstrated superior coverage, achieving at least a 62 % success rate for enantioseparation. For the resolution between the pairs acephate/methamidophos and malathion/malaoxon, where no further optimizations were undertaken, the success rate for enantio‑ and chemoselectivity was 10 % and 30 %, respectively.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionDepartamento de Química Faculdade de Filosofia Ciências e Letras de Ribeirão Preto Universidade de São Paulo, SP-
Descrição: dc.descriptionDepartamento de Química SEPARARE - Núcleo de Pesquisa em Cromatografia Universidade Federal de São Carlos, Rodovia Washington Luiz, s/n Km 235, SP-
Descrição: dc.descriptionNational Institute for Alternative Technologies of Detection Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM) Unesp Institute of Chemistry, P.O. Box 355, SP-
Descrição: dc.descriptionNational Institute for Alternative Technologies of Detection Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM) Unesp Institute of Chemistry, P.O. Box 355, SP-
Descrição: dc.descriptionFAPESP: 2014/50945–4-
Descrição: dc.descriptionFAPESP: 2021/10098–4-
Idioma: dc.languageen-
Relação: dc.relationJournal of Chromatography Open-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectChiral pesticide-
Palavras-chave: dc.subjectEnantioseparation-
Palavras-chave: dc.subjectMultimodal screening-
Palavras-chave: dc.subjectOrganophosphate-
Título: dc.titleChemo- and enantioselective analysis of high hydrophilic organophosphate pesticides by liquid chromatography under different elution modes-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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