Selective aptamer conjugation to silver-coated magnetite nanoparticles for magnetic solid-phase extraction of trace amounts of Pb<sup>2+</sup> ions
Sara Rahnama, Shahab Shariati, Faten Divsar
Abstract
Herein, a novel aptamer-functionalized magnetic adsorbent was developed and combined with magnetic solid-phase extraction (MSPE) for the specific enrichment of Pb<sup>2+</sup> ions prior to flame atomic absorption spectrometric detection.
Topics & Concepts
Detection limitSolid phase extractionAdsorptionMagnetic nanoparticlesMagnetiteDesorptionMetal ions in aqueous solutionAptamerExtraction (chemistry)Trace AmountsMaterials scienceNanoparticleChemistryNuclear chemistryAnalytical Chemistry (journal)IonChromatographyNanotechnologyGeneticsMetallurgyAlternative medicineMedicineOrganic chemistryPathologyBiologyAdvanced biosensing and bioanalysis techniquesAnalytical chemistry methods developmentElectrochemical Analysis and Applications