Citrate coated iron oxide nanoparticles: Synthesis, characterization, and performance in protein adsorption

Magnetic nanoparticles (MNPs) are extensively utilized in biomedicine as part of controlled drug release systems, hyperthermia, and magnetic resonance imaging. Surface modification of MNPs not only enhances their stability and biocompatibility but also increases affinity with certain molecules, allo...

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Main Authors: Denise Arrozarena Portilla, Arturo A. Velázquez López, Rosalva Mora Escobedo, Hernani Yee Madeira
Format: Article
Language:English
Published: AIMS Press 2024-10-01
Series:AIMS Materials Science
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Online Access:https://www.aimspress.com/article/doi/10.3934/matersci.2024047
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author Denise Arrozarena Portilla
Arturo A. Velázquez López
Rosalva Mora Escobedo
Hernani Yee Madeira
author_facet Denise Arrozarena Portilla
Arturo A. Velázquez López
Rosalva Mora Escobedo
Hernani Yee Madeira
author_sort Denise Arrozarena Portilla
collection DOAJ
description Magnetic nanoparticles (MNPs) are extensively utilized in biomedicine as part of controlled drug release systems, hyperthermia, and magnetic resonance imaging. Surface modification of MNPs not only enhances their stability and biocompatibility but also increases affinity with certain molecules, allowing them to be used in protein separation and adsorption processes. This article reports the synthesis and characterization of iron oxide MNPs functionalized with citric acid (IONPs@CA) to evaluate their performance in protein adsorption. The nanoparticles were characterized using various techniques such as transmission electron microscopy (TEM), X-ray diffraction (XRD), dynamic light scattering (DLS), thermogravimetric analysis (TGA), and Fourier-transform infrared spectroscopy (FT-IR). The percentage of lysozyme (Lyz) adsorbed by IONPs@CA was 84.9%, while the IONPs sample only adsorbed 5.9%. In silico evaluation results showed some repulsion bonds obtained in Lyz-IONPs and hydrogen bonds, carbon-hydrogen bonds, and van der Waals interactions in Lyz-IONPs@CA. These results may be novel since no previous research was found specifying this type of interaction between lysozyme and IONPs and/or IONPs@CA. The maximum adsorption efficiency obtained for the coated nanoparticles was 88.3%.
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spelling doaj-art-d866b59540f34bc5b411400d327b8c362025-01-24T01:30:26ZengAIMS PressAIMS Materials Science2372-04842024-10-01115991101210.3934/matersci.2024047Citrate coated iron oxide nanoparticles: Synthesis, characterization, and performance in protein adsorptionDenise Arrozarena Portilla0Arturo A. Velázquez López1Rosalva Mora Escobedo2Hernani Yee Madeira3Laboratorio de Espectroscopía Mossbauer y Técnicas Complementarias, Departamento de Física, Escuela Superior de Físico Matemáticas, Instituto Politécnico Nacional, Ciudad de México 07738, MéxicoLaboratorio de Bioquímica de la Nutrición, Departamento de Ingeniería Bioquímica, Escuela nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México 07738, MéxicoLaboratorio de Bioquímica de la Nutrición, Departamento de Ingeniería Bioquímica, Escuela nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México 07738, MéxicoLaboratorio de Espectroscopía Mossbauer y Técnicas Complementarias, Departamento de Física, Escuela Superior de Físico Matemáticas, Instituto Politécnico Nacional, Ciudad de México 07738, MéxicoMagnetic nanoparticles (MNPs) are extensively utilized in biomedicine as part of controlled drug release systems, hyperthermia, and magnetic resonance imaging. Surface modification of MNPs not only enhances their stability and biocompatibility but also increases affinity with certain molecules, allowing them to be used in protein separation and adsorption processes. This article reports the synthesis and characterization of iron oxide MNPs functionalized with citric acid (IONPs@CA) to evaluate their performance in protein adsorption. The nanoparticles were characterized using various techniques such as transmission electron microscopy (TEM), X-ray diffraction (XRD), dynamic light scattering (DLS), thermogravimetric analysis (TGA), and Fourier-transform infrared spectroscopy (FT-IR). The percentage of lysozyme (Lyz) adsorbed by IONPs@CA was 84.9%, while the IONPs sample only adsorbed 5.9%. In silico evaluation results showed some repulsion bonds obtained in Lyz-IONPs and hydrogen bonds, carbon-hydrogen bonds, and van der Waals interactions in Lyz-IONPs@CA. These results may be novel since no previous research was found specifying this type of interaction between lysozyme and IONPs and/or IONPs@CA. The maximum adsorption efficiency obtained for the coated nanoparticles was 88.3%.https://www.aimspress.com/article/doi/10.3934/matersci.2024047iron oxide nanoparticlescitric acid functionalizationprotein purificationin silico study
spellingShingle Denise Arrozarena Portilla
Arturo A. Velázquez López
Rosalva Mora Escobedo
Hernani Yee Madeira
Citrate coated iron oxide nanoparticles: Synthesis, characterization, and performance in protein adsorption
AIMS Materials Science
iron oxide nanoparticles
citric acid functionalization
protein purification
in silico study
title Citrate coated iron oxide nanoparticles: Synthesis, characterization, and performance in protein adsorption
title_full Citrate coated iron oxide nanoparticles: Synthesis, characterization, and performance in protein adsorption
title_fullStr Citrate coated iron oxide nanoparticles: Synthesis, characterization, and performance in protein adsorption
title_full_unstemmed Citrate coated iron oxide nanoparticles: Synthesis, characterization, and performance in protein adsorption
title_short Citrate coated iron oxide nanoparticles: Synthesis, characterization, and performance in protein adsorption
title_sort citrate coated iron oxide nanoparticles synthesis characterization and performance in protein adsorption
topic iron oxide nanoparticles
citric acid functionalization
protein purification
in silico study
url https://www.aimspress.com/article/doi/10.3934/matersci.2024047
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AT arturoavelazquezlopez citratecoatedironoxidenanoparticlessynthesischaracterizationandperformanceinproteinadsorption
AT rosalvamoraescobedo citratecoatedironoxidenanoparticlessynthesischaracterizationandperformanceinproteinadsorption
AT hernaniyeemadeira citratecoatedironoxidenanoparticlessynthesischaracterizationandperformanceinproteinadsorption