Preparation of a Molecularly Imprinted Polymer on Polyethylene Terephthalate Platform Using Reversible Addition-Fragmentation Chain Transfer Polymerization for Tartrazine Analysis via Smartphone

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorNational University of Engineering-
Autor(es): dc.contributorUniversidad Nacional de Ingeniería-
Autor(es): dc.contributorState University of Santa Cruz-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorToxicological Evaluation and Removal of Micropollutantans Radioactives (INCT-DATREM)-
Autor(es): dc.creatorHernández, Christian Jacinto-
Autor(es): dc.creatorMedina, Raúl-
Autor(es): dc.creatorMaza Mejía, Ily-
Autor(es): dc.creatorHurtado, Mario-
Autor(es): dc.creatorKhan, Sabir-
Autor(es): dc.creatorPicasso, Gino-
Autor(es): dc.creatorLópez, Rosario-
Autor(es): dc.creatorSotomayor, María D. P. T.-
Data de aceite: dc.date.accessioned2025-08-21T18:49:02Z-
Data de disponibilização: dc.date.available2025-08-21T18:49:02Z-
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/10.3390/polym16101325-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/299799-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/299799-
Descrição: dc.descriptionThis work describes the preparation of a molecularly imprinted polymer (MIP) platform on polyethylene terephthalate (MIP-PET) via RAFT polymerization for analyzing tartrazine using a smartphone. The MIP-PET platform was characterized using Fourier transform infrared (FTIR) techniques, Raman Spectroscopy, X-ray photoelectron spectroscopy (XPS), and confocal microscopy. The optimal pH and adsorption time conditions were determined. The adsorption capacity of the MIP-PET plates with RAFT treatment (0.057 mg cm−2) was higher than that of the untreated plates (0.028 mg cm−2). The kinetic study revealed a pseudo-first-order model with intraparticle diffusion, while the isotherm study indicated a fit for the Freundlich model. Additionally, the MIP-PET demonstrated durability by maintaining its adsorption capacity over five cycles of reuse without significant loss. To quantify tartrazine, images were captured using a smartphone, and the RGB values were obtained using the ImageJ® free program. A partial least squares regression (PLS) was performed, obtaining a linear range of 0 to 7 mg L−1 of tartrazine. The accuracy of the method was 99.4% (4.97 ± 0.74 mg L−1) for 10 samples of 5 mg L−1. The concentration of tartrazine was determined in two local soft drinks (14.1 mg L−1 and 16.5 mg L−1), with results comparable to the UV–visible spectrophotometric method.-
Descrição: dc.descriptionConsejo Nacional de Ciencia, Tecnología e Innovación Tecnológica-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionLaboratory of Instrumental Analysis Environment Faculty of Sciences National University of Engineering, Av. Tupac Amaru 210, Rimac-
Descrição: dc.descriptionTechnology of Materials for Environmental Remediation (TecMARA) Research Group Faculty of Sciences National University of Engineering, Av. Tupac Amaru 210, Lima-
Descrição: dc.descriptionFacultad de Ingeniería de Petróleo Gas Natural y Petroquímica Universidad Nacional de Ingeniería, Av. Tupac Amaru 210, Lima-
Descrição: dc.descriptionDepartment of Exact Sciences and Technology State University of Santa Cruz, BA-
Descrição: dc.descriptionInstitute of Chemistry State University of São Paulo (UNESP), SP-
Descrição: dc.descriptionNational Institute for Alternative Technologies of Detection Toxicological Evaluation and Removal of Micropollutantans Radioactives (INCT-DATREM), SP-
Descrição: dc.descriptionInstitute of Chemistry State University of São Paulo (UNESP), SP-
Descrição: dc.descriptionConsejo Nacional de Ciencia, Tecnología e Innovación Tecnológica: 067-2021-FONDECYT-
Descrição: dc.descriptionFAPESP: 2022/03553-0-
Idioma: dc.languageen-
Relação: dc.relationPolymers-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectdigital image colorimetry (DIC)-
Palavras-chave: dc.subjectPET-
Palavras-chave: dc.subjectRAFT polymerization-
Palavras-chave: dc.subjectsmartphone-
Palavras-chave: dc.subjecttartrazine-
Título: dc.titlePreparation of a Molecularly Imprinted Polymer on Polyethylene Terephthalate Platform Using Reversible Addition-Fragmentation Chain Transfer Polymerization for Tartrazine Analysis via Smartphone-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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