Graphene hybrid nanostructures based screen-printed sensor employed in the glyphosate electrocatalytic determination in the real sample

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dc.contributor.authorTiba D.Y.
dc.contributor.authorCanevari T.C.
dc.date.accessioned2025-04-01T06:17:50Z
dc.date.available2025-04-01T06:17:50Z
dc.date.issued2025
dc.description.abstract© 2024This work describes the synthesis characterization and application of innovative CuONPs/GO/CDot(N) nanostructures obtained by direct reaction between graphene oxide, nitrogen-doped carbon quantum dots (CDot(N)), and copper (II) nitrate. The hybrid nanostructures were characterized by spectroscopies methods such as Raman, ultraviolet-visible (UV-Vis), and X-ray photoelectron spectroscopies (XPS), X-ray diffraction (XRD), High-resolution transmission electron microscopy (HR-TEM), and electrochemical techniques. A sensitive electrochemical sensor to determine glyphosate in the real sample has been constructed by a printed carbon electrode modified with CuONPs/GO/CDot(N) nanostructures. Determination of the pesticide glyphosate (glyph) has been performed in phosphate buffer solution (PBS) at pH 5.5 and in real water samples by differential pulse voltammetry technique (DPV). The printed carbon electrode modified with CuONPs/GO/CDot(N) nanostructures presented a detection limit of 1.97 nmol.L−1 (0.3 µg.L−1). The modified, printed carbon electrode determined glyphosate in real samples, with recovery ranging from 95.2 % to 114%. Other pesticides didn't present significant interference in the glyphosate determination.
dc.description.volume185
dc.identifier.doi10.1016/j.materresbull.2024.113290
dc.identifier.issnNone
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/40331
dc.relation.ispartofMaterials Research Bulletin
dc.rightsAcesso Restrito
dc.subject.otherlanguageCarbon quantum dots
dc.subject.otherlanguageCopper oxide nanoparticles
dc.subject.otherlanguageElectrochemical sensors
dc.subject.otherlanguageGlyphosate
dc.subject.otherlanguagegraphene oxide
dc.titleGraphene hybrid nanostructures based screen-printed sensor employed in the glyphosate electrocatalytic determination in the real sample
dc.typeArtigo
local.scopus.citations1
local.scopus.eid2-s2.0-85214083571
local.scopus.subjectCarbon electrode
local.scopus.subjectCarbon quantum dots
local.scopus.subjectCopper oxide nanoparticles
local.scopus.subjectElectrochemicals
local.scopus.subjectGlyphosates
local.scopus.subjectGraphene oxides
local.scopus.subjectGraphenes
local.scopus.subjectHybrid nanostructures
local.scopus.subjectReal samples
local.scopus.subjectScreen-printed
local.scopus.updated2025-04-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85214083571&origin=inward
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