Preparation of iron oxide nanoparticles stabilized with biomolecules: Experimental and mechanistic issues

Nicolás, Paula; Saleta, M. E.; Troiani, Horacio Esteban; Zysler, R.D.; Lassalle, Verónica Leticia; Ferreira, Marı́a Luján

doi:10.1016/j.actbio.2012.09.040

Cited by 66 publications

(42 citation statements)

References 53 publications

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“…The synthesis of the MAG/CHIT nanoparticles (MCNPs) has been reported in previous works [8,19]. The variants of this methodology are detailed as follows:…”

Section: Methodsmentioning

confidence: 99%

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About the role of typical spacer/crosslinker on the design of efficient magnetic biocatalysts based on nanosized magnetite

Nicolás

Lassalle

Ferreira

2015

Journal of Molecular Catalysis B: Enzymatic

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“…The synthesis of the MAG/CHIT nanoparticles (MCNPs) has been reported in previous works [8,19]. The variants of this methodology are detailed as follows:…”

Section: Methodsmentioning

confidence: 99%

“…In a previous work, a magnetic biocatalyst was prepared using magnetite nanoparticles stabilized with oleic acid and chitosan (MAG/CHIT) as support [8,19]. The simple physical adsorption of the lipase on the nanosupport was achieved.…”

Section: Introductionmentioning

confidence: 99%

About the role of typical spacer/crosslinker on the design of efficient magnetic biocatalysts based on nanosized magnetite

Nicolás

Lassalle

Ferreira

2015

Journal of Molecular Catalysis B: Enzymatic

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“…In these examples, the oleic acid coordinated to the Fe atom forming iron oleate complexes. It was reported that this process could retard the nucleation of iron particle [70].…”

Section: Synthesis Of Functionalized Nanosized Magnetitementioning

confidence: 99%

“…The most straightforward strategy to overcome these limitations was their modification with organic or inorganic moieties that stabilize them in suspension. Using this procedure, magnetic nanoparticles of the type core -shell structure may be obtained [70]. In general, the external coating plays a dual role: as stabilizer and functionalized surface; thus increasing the adsorption capacity and selectivity toward the target pollutants.…”

Section: Synthesis Of Functionalized Nanosized Magnetitementioning

confidence: 99%

Nanosized magnetite in low cost materials for remediation of water polluted with toxic metals, azo- and antraquinonic dyes

Horst

Lassalle

Ferreira

2015

Front. Environ. Sci. Eng.

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Nanosized magnetite has emerged as an adsorbent of pollutants in water remediation. Nanoadsorbents include magnetic iron oxide and its modifiers/ stabilizers, such as carbon, silica, clay, organic moieties (polymers, aminoacids, and fatty acids) and other inorganic oxides. This review is focused on the recent developments on the synthesis and use of magnetic nanoparticles and nanocomposites in the treatment of contaminated water. The emphasis is on the influence of the iron oxide modifiers on some properties of interest such as size, BET area, and magnetization. The characteristics of these nanomaterials are related to their ability to eliminate heavy metal ions and dyes from wastewater. Comparative analysis of the actual literature was performed aiming to present the magnetic material, its preparation methodology and performance in the elimination of the selected pollutants. Vast information has been properly summarized according to the materials, their properties and preferential affinity for selected contaminants. The mechanisms governing nanomaterial's formation as well as the interactions with heavy metals and dyes have been carefully analyzed and associated to their efficiency.

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“…All of these contributions are difficult to disentangle, thus limiting the ability to quantitatively assess their actual effects on the functional response of the NP. For example, a detailed knowledge of the specific surface modifications of iron-oxide NP is relevant in their functionalization using biomolecular interactions, 14 or in the manipulation of interfacial cross-coupling between magnetic and electrical properties in multiferroic nanostructures. 15 Furthermore, good control over the magnetic anisotropy in such systems could be of potential interest for ultra-high density storage media and for magnetic tags in biological assays.…”

Section: Introductionmentioning

confidence: 99%

Probing the variability in oxidation states of magnetite nanoparticles by single-particle spectroscopy

et al. 2018

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We have studied the electronic and chemical properties of a variety of ensembles of size-and shapeselected Fe 3 O 4 nanoparticles with single-particle sensitivity by means of synchrotron-based X-ray photoemission electron microscopy. The local X-ray absorption spectra reveal that the oxidation states and the amount and type of cations within the individual nanoparticles can show a striking local variability even when the average structural and magnetic parameters of the monodisperse ensembles appear to be

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Preparation of iron oxide nanoparticles stabilized with biomolecules: Experimental and mechanistic issues

Cited by 66 publications

References 53 publications

About the role of typical spacer/crosslinker on the design of efficient magnetic biocatalysts based on nanosized magnetite

About the role of typical spacer/crosslinker on the design of efficient magnetic biocatalysts based on nanosized magnetite

Nanosized magnetite in low cost materials for remediation of water polluted with toxic metals, azo- and antraquinonic dyes

Probing the variability in oxidation states of magnetite nanoparticles by single-particle spectroscopy

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