Submicron magnetic core conducting polypyrrole polymer shell: Preparation and characterization

Tenório‐Neto, Ernandes T.; Baraket, Abdoullatif; Kabbaj, Dounia; Zine, Nadia; Errachid, Abdelhamid; Fessi, Hatem; Kunita, Marcos H.; Elaı̈ssari, Abdelhamid

doi:10.1016/j.msec.2015.12.052

Cited by 21 publications

(14 citation statements)

References 31 publications

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“…Thus, to avoid the coalescence of the nanoparticles during the experiments, PVP was used as stabilizing agent. We hypothesized that the PVP could act as a steric barrier between the magnetic particles, preventing their coalescence . Therefore, the influence of PVP amount on stabilizing the magnetic emulsion was investigated.…”

Section: Resultsmentioning

confidence: 99%

“…Obtaining superparamagnetic hybrid materials with desired properties, and also with specific functional groups, have been reported by several authors using various approaches . These approaches can be divided into (a) physical‐based process (e.g., sequential adsorption of oppositely charged polyelectrolytes) and (b) chemical encapsulation via polymerization in disperse media (e.g., surface functionalization/modification of MNPs via specific grafting, surface initiated controlled polymerization, inorganic silica/polymer hybridization, or by heterogeneous polymerization in dispersion media) …”

Section: Introductionmentioning

confidence: 99%

“…For biosensing applications, the MNPs have been combined with conducting polymers to provide a new class of material with both magnetic and electric properties . Conducting polymers (CPs) are carbon‐based molecules, which exhibit electrical, optical, and electronic properties analogous to metals.…”

Section: Introductionmentioning

confidence: 99%

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Poly(p‐phenylenediamine)‐coated magnetic particles: Preparation and electrochemical properties

Tenório‐Neto

Baraket

Guilherme

et al. 2019

Polymers for Advanced Techs

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Magnetic particles are of great interest in various biomedical applications, such as, sample preparation, in vitro biomedical diagnosis, and therapy. For biosensing applications, the used functional magnetic particles should answer numerous criteria such as; submicron size in order to avoid rapid sedimentation, high magnetic content for fast separations under applied magnetic field, and finally, good colloidal stability. Therefore, the aim of this work was to prepare submicron magnetic core and conducting polymer shell particles. The polymer shell was induced using pphenylenediamine as key monomer. The obtained core-shell particles were characterized in terms of particle size, size distribution, magnetization properties, Fourier transform infrared (FTIR) analysis, surface morphology, chemical composition, cyclic voltammetry, and impedance spectroscopy. The best experimental condition was found using 40 mg of povidone (PVP-stabilizing agent) and 0.16 mmol of pphenylenediamine. Using such initial composition, the core-shell magnetic nanoparticles shown a narrowed size distribution around 290 nm and high magnetic content (above 50%). The obtained amino containing submicron highly magnetic particles were found to be a conducting material and superparamagnetic in nature.These promising conducting magnetic particles can be used for both transport and lab-on-a-chip detection.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Poly(p‐phenylenediamine)‐coated magnetic particles: Preparation and electrochemical properties

Tenório‐Neto

Baraket

Guilherme

et al. 2019

Polymers for Advanced Techs

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“…The shell components can be organic, inorganic or a blend of both. Silica, resin, alumina, polymers, polyelectrolytes, surfactants, carbon and hemoglobin have been utilized by various authors to modify superparamagnetic nanoparticles [ 7 , 8 , 9 , 10 , 11 , 12 , 13 ]. Magnetic nanocomposites have been adapted as a green means of transport in biological and environmental media based on ease of operation and overall economic gains [ 13 ].…”

Section: Introductionmentioning

confidence: 99%

Multifunctional Magnetic Oxide Nanoparticle (MNP) Core-Shell: Review of Synthesis, Structural Studies and Application for Wastewater Treatment

Nnadozie

Ajibade

2020

Molecules

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The demand for water is predicted to increase significantly over the coming decades; thus, there is a need to develop an inclusive wastewater decontaminator for the effective management and conservation of water. Magnetic oxide nanocomposites have great potentials as global and novel remediators for wastewater treatment, with robust environmental and economic gains. Environment-responsive nanocomposites would offer wide flexibility to harvest and utilize massive untapped natural energy sources to drive a green economy in tandem with the United Nations Sustainable Development Goals. Recent attempts to engineer smart magnetic oxide nanocomposites for wastewater treatment has been reported by several researchers. However, the magnetic properties of superparamagnetic nanocomposite materials and their adsorption properties nexus as fundamental to the design of recyclable nanomaterials are desirable for industrial application. The potentials of facile magnetic recovery, ease of functionalization, reusability, solar responsiveness, biocompatibility and ergonomic design promote the application of magnetic oxide nanocomposites in wastewater treatment. The review makes a holistic attempt to explore magnetic oxide nanocomposites for wastewater treatment; futuristic smart magnetic oxides as an elixir to global water scarcity is expounded. Desirable adsorption parameters and properties of magnetic oxides nanocomposites are explored while considering their fate in biological and environmental media.

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“…In this context, superparamagnetic iron oxide nanoparticles (SPIONs) have been used as carriers for immobilization of biomolecules, such as peptides, proteins, and antibodies, to enhance the specific capture of the targeted biomolecules [19]. For preparing structured SPIONs with well-defined surface properties, specific functional groups, and better colloidal stability, several approaches have been investigated, including seeded-emulsion polymerization [20,21]. Using such an approach, magnetic latex nanoparticles with high iron oxide content can be obtained.…”

Section: Introductionmentioning

confidence: 99%

Development of Novel Magneto-Biosensor for Sulfapyridine Detection

et al. 2020

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In this work, we report the development of a highly sensitive biosensor for sulfapyridine detection based on an integrated bio micro-electromechanical system (Bio-MEMS) containing four gold working electrodes (WEs), a platinum counter electrode (CE), and a reference electrode (RE). Firstly, the cleaned WEs were modified with 4-aminophenylacetic acid (CMA). Then, (5-[4-(amino)phenylsulfonamide]-5-oxopentanoic acid (SA2BSA) was immobilized onto the transducers surface by carbodiimide chemistry. The analyte was quantified by competitive detection with SA2BSA immobilized on the WE toward a mixture of Ab155 antibody (with fixed concentration) and sulfapyridine. In order to obtain a highly sensitive biosensor, Ab155 was immobilized onto magnetic latex nanoparticles surface to create a 3D architecture (Ab-MLNp). Using electrochemical impedance spectroscopy (EIS), we investigated the influence of the Ab-MLNp on the sensitivity of our approach. The optimized system was analyzed, as competitive assay, with different concentrations of sulfapyridine (40 µM, 4 µM, and 2 nM) and with phosphate buffer solution. From data fitting calculations and graphs, it was observed that the EIS showed more linearity when Ab-MLNp was used. This result indicates that the magnetic latex nanoparticles increased the sensitivity of the biosensor.

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Submicron magnetic core conducting polypyrrole polymer shell: Preparation and characterization

Cited by 21 publications

References 31 publications

Poly(p‐phenylenediamine)‐coated magnetic particles: Preparation and electrochemical properties

Poly(p‐phenylenediamine)‐coated magnetic particles: Preparation and electrochemical properties

Multifunctional Magnetic Oxide Nanoparticle (MNP) Core-Shell: Review of Synthesis, Structural Studies and Application for Wastewater Treatment

Development of Novel Magneto-Biosensor for Sulfapyridine Detection

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