Synthesis, properties, and applications of magnetic iron oxide nanoparticles

Teja, Amyn S.; Koh, Pei‐Yoong

doi:10.1016/j.pcrysgrow.2008.08.003

Cited by 1,263 publications

(686 citation statements)

References 231 publications

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“…Both hematite and maghemite have technologically interesting properties: hematite is used as catalyst for water oxidation 19,20 or as paint pigment, whereas maghemite is used as a contrast media in magnetic resonance or as magnetic recording media 21 . Despite many similarities, the two materials also display significant differences.…”

Section: Resultsmentioning

confidence: 99%

“…Despite many similarities, the two materials also display significant differences. Hematite crystallizes in a rhombohedral structure, whereas maghemite forms a cubic structure 21,22 . The difference in crystal structure rationalizes the magnetic properties of maghemite and hematite, where maghemite is ferrimagnetic and displays a much stronger magnetic moment (B540 mT) than the weakly ferromagnetic hematite (B1 mT).…”

Section: Resultsmentioning

confidence: 99%

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Formation of nitrogen-doped graphene nanoscrolls by adsorption of magnetic γ-Fe2O3 nanoparticles

et al. 2013

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Graphene nanoscrolls are Archimedean-type spirals formed by rolling single-layer graphene sheets. Their unique structure makes them conceptually interesting and understanding their formation gives important information on the manipulation and characteristics of various carbon nanostructures. Here we report a 100% efficient process to transform nitrogen-doped reduced graphene oxide sheets into homogeneous nanoscrolls by decoration with magnetic g-Fe 2 O 3 nanoparticles. Through a large number of control experiments, magnetic characterization of the decorated nanoparticles, and ab initio calculations, we conclude that the rolling is initiated by the strong adsorption of maghemite nanoparticles at nitrogen defects in the graphene lattice and their mutual magnetic interaction. The nanoscroll formation is fully reversible and upon removal of the maghemite nanoparticles, the nanoscrolls return to open sheets. Besides supplying information on the rolling mechanism of graphene nanoscrolls, our results also provide important information on the stabilization of iron oxide nanoparticles.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Formation of nitrogen-doped graphene nanoscrolls by adsorption of magnetic γ-Fe2O3 nanoparticles

et al. 2013

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“…Finally, upscaling of MNPs and mCs for clinical applications appears feasible as MNPs have long been used clinically as contrast agents with several methods currently being employed for large scale manufacture [46,[59][60][61]. It should be noted that given their clinical utility, a novel method involving affinity-based chromatography has been developed for obtaining highly purified mC DNA for gene therapy and vaccination, enabling safe production at an industrial scale [33,62,63].…”

Section: Accepted M Manuscriptmentioning

confidence: 99%

Part I: Minicircle vector technology limits DNA size restrictions on ex vivo gene delivery using nanoparticle vectors: Overcoming a translational barrier in neural stem cell therapy

Fernandes

Chari

2016

Journal of Controlled Release

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Please cite this article as: Alinda R. Fernandes, Divya M. Chari, Part I: Minicircle vector technology limits DNA size restrictions on ex vivo gene delivery using nanoparticle vectors: Overcoming a translational barrier in neural stem cell therapy, Journal of Controlled Release (2016Release ( ), doi: 10.1016Release ( /j.jconrel.2016 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPT

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“…Nanoizmēra materiālu īpašības ir stipri atkarīgas no to sintēzes metodes. Daļiņu izmēru, dispersitātes, stabilitātes, poru sadalījuma un tīrības kontrole bieži vien ir aktuāla problēma, kas ietekmē gala produkta īpašības un līdz ar to arī materiāla pielietojumu [17].…”

Section: Ievadsunclassified

FexOy-ZnO kompozītu nanodaļiņu sintēze un raksturošana

Gabrene

Zukuls

Juhņeviča

et al. 2014

Material Science and Applied Chemistry

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Kopsavilkums. Organisko un neorganisko nanokompozītu materiālu klase ir ātri augoša pētniecības nozare. Pašlaik nemitīgi tiek meklētas jaunas iespējas uzlabot un kontrolēt to nanomēroga struktūras ar inovatīvām sintēzes metodēm. Metālu oksīdu kompozītu pielietojumu nosaka to fotokatalītiskās, magnētiskās un fotoluminiscentās īpašības.Ar nogulsnēšanas metodi iegūti Fe x O y -ZnO kompozīti ar dažādu Zn 2+ :Fe 3+ attiecību, kuru raksturošanai izmantota rentgenstaru difrakcijas analīze, Furjē-IS spektroskopija, gaismas absorbcijas un fotoluminiscences spektroskopija, kā arī veikti gāzes jutības mērījumi.Atslēgas vārdi: metālu oksīdu kompozīti, dzelzs oksīdi, cinka oksīds, nogulsnēšana, sāls šķīdumi.

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Synthesis, properties, and applications of magnetic iron oxide nanoparticles

Cited by 1,263 publications

References 231 publications

Formation of nitrogen-doped graphene nanoscrolls by adsorption of magnetic γ-Fe2O3 nanoparticles

Formation of nitrogen-doped graphene nanoscrolls by adsorption of magnetic γ-Fe2O3 nanoparticles

Part I: Minicircle vector technology limits DNA size restrictions on ex vivo gene delivery using nanoparticle vectors: Overcoming a translational barrier in neural stem cell therapy

FexOy-ZnO kompozītu nanodaļiņu sintēze un raksturošana

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