Evidence map›Paper›PMID 27933499›Full record

ArticleEnvironmental science and pollution research international2017

Assessment of molecularly imprinted polymers (MIPs) in the preconcentration of disperse red 73 dye prior to photoelectrocatalytic treatment.

Jefferson Honorio Franco, Alejandra Ben Aissa, Guilherme Garcia Bessegato, Laura Martinez Fajardo, Maria Valnice Boldrin Zanoni, María Isabel Pividori, Maria Del Pilar Taboada Sotomayor

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Article in Environmental science and pollution research international, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Jefferson Honorio FrancoDepartment of Analytical Chemistry, Institute of Chemistry, São Paulo State University (UNESP), São Paulo, Brazil.
Alejandra Ben AissaGroup of Sensors and Biosensors, Autonomous University of Barcelona, Barcelona, Spain.
Guilherme Garcia BessegatoDepartment of Analytical Chemistry, Institute of Chemistry, São Paulo State University (UNESP), São Paulo, Brazil.
Laura Martinez FajardoGroup of Sensors and Biosensors, Autonomous University of Barcelona, Barcelona, Spain.
Maria Valnice Boldrin ZanoniDepartment of Analytical Chemistry, Institute of Chemistry, São Paulo State University (UNESP), São Paulo, Brazil.
María Isabel PividoriGroup of Sensors and Biosensors, Autonomous University of Barcelona, Barcelona, Spain.
Maria Del Pilar Taboada SotomayorDepartment of Analytical Chemistry, Institute of Chemistry, São Paulo State University (UNESP), São Paulo, Brazil. mpilar@iq.unesp.br.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Magnetic molecularly imprinted polymers (MMIPs) have become a research hotspot due to their two important characteristics: target recognition and magnetic separation. This paper presents the preparation, characterization, and optimization of an MMIP for the preconcentration of disperse red 73 dye (DR73) and its subsequent efficient degradation by photoelectrocatalytic treatment. The MMIPs were characterized by scanning electron microscopy (SEM), which revealed homogeneous distribution of the particles. Excellent encapsulation of magnetite was confirmed by transmission electron microscopy (TEM). A study of dye binding showed that the dye was retained more selectively in the MIP, compared to the NIP. The release of DR73 from the imprinted polymers into methanol and acetic acid was analyzed by UV-Vis spectrophotometry. The extracts showed higher absorbance values for MMIP, compared to MNIP, confirming greater adsorption of dye in the MMIP material. The extracts were then subjected to photoelectrocatalytic treatment. LC-MS/MS analysis following this treatment showed that the dye was almost completely degraded. Hence, the combination of MMIP extraction and photoelectrocatalysis offers an alternative way of selectively removing an organic contaminant, prior to proceeding with its complete degradation.

Indexed as

Molecular ImprintingAdsorptionAzo CompoundsCatalysisChromatography, LiquidMagneticsMicroscopy, Electron, ScanningMicroscopy, Electron, TransmissionPhotochemical ProcessesPolymersTandem Mass SpectrometryAzo CompoundsFantagen-rubinePolymersAdsorptionAdvanced oxidation processMolecularly imprinted polymersPhotoelectrocatalytic oxidationTextile dye degradationWastewater treatment

Identifiers

PMID27933499

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.