Efficient extraction method using magnetic carbon nanotubes to analyze cocaine and benzoylecgonine in breast milk by GC/MS

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dc.creatorRosimeire Resende dos Santos
dc.creatorMaria José Nunes Paiva
dc.creatorJúlio César Veloso
dc.creatorPhilippe Serp
dc.creatorZenilda de Lourdes Cardeal
dc.creatorHelvécio Costa Menezes
dc.date.accessioned2023-01-06T13:32:28Z
dc.date.accessioned2025-09-08T23:42:28Z
dc.date.available2023-01-06T13:32:28Z
dc.date.issued2017
dc.identifier.doihttps://doi.org/10.4155/bio-2017-0140
dc.identifier.issn1757-6180
dc.identifier.urihttps://hdl.handle.net/1843/48757
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofBioanalysis
dc.rightsAcesso Restrito
dc.subjectAmamentação
dc.subjectLeite humano
dc.subjectAnálise
dc.subjectCocaína
dc.subjectCromatografia de gás
dc.subjectEspectrometria de massa
dc.subjectNanotubos de carbono
dc.subject.otherEnzoylecgonine
dc.subject.otherBreast milk
dc.subject.otherCocaine
dc.subject.otherGC/MS
dc.subject.otherGas chromatography–mass spectrometry
dc.subject.otherMagnetic carbon nanotubes
dc.titleEfficient extraction method using magnetic carbon nanotubes to analyze cocaine and benzoylecgonine in breast milk by GC/MS
dc.typeArtigo de periódico
local.citation.epage1666
local.citation.issue21
local.citation.spage1655
local.citation.volume9
local.description.resumoAim: The increasing use of cocaine (COC) during breastfeeding has led to growing concern about exposure of infants. Therefore, to study this exposure, a new method to analyze COC and benzoylecgonine in breast milk was developed. Methodology: A new extraction method was used for the first time to analyze COC and its major metabolite, benzoylecgonine, in breast milk using magnetic carbon nanotubes partially doped with nitrogen. Results: The calibration curves were linear in the range 5.0–180.0 ng ml-1. The limit of quantification was 5.0 ng ml-1. Coefficients of variation were between 3.2 and 13.9%. Recovery was between 89.6 and 99.2%. Conclusion: The proposed method is simple, efficient and suitable to determine analytes in breast milk.
local.identifier.orcidhttps://orcid.org/0000-0003-1383-6299
local.identifier.orcidhttps://orcid.org/0000-0002-5759-612X
local.publisher.countryBrasil
local.publisher.departmentFAR - DEPARTAMENTO DE ANÁLISES CLÍNICAS E TOXICOLÓGICAS
local.publisher.departmentICX - DEPARTAMENTO DE QUÍMICA
local.publisher.initialsUFMG
local.url.externahttps://www.future-science.com/doi/abs/10.4155/bio-2017-0140?journalCode=bio

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