Magnetic polyorganosiloxane core–shell nanoparticles: Synthesis, characterization and magnetic fractionation
Here, we present the synthesis, characterization and magnetic separation of magnetic polyorganosiloxane nanoparticles. Magnetic iron oxide nanoparticles with average particle radii of 3.2 nm had been synthesized by a simple coprecipitation process of iron(II) and iron(III) salt in basic solution. Af...
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| Veröffentlicht in: | Journal of magnetism and magnetic materials 2010-11, Vol.322 (21), p.3519-3526 |
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| container_title | Journal of magnetism and magnetic materials |
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| creator | Utech, Stefanie Scherer, Christian Krohne, Korinna Carrella, Luca Rentschler, Eva Gasi, Teuta Ksenofontov, Vadim Felser, Claudia Maskos, Michael |
| description | Here, we present the synthesis, characterization and magnetic separation of magnetic polyorganosiloxane nanoparticles. Magnetic iron oxide nanoparticles with average particle radii of 3.2
nm had been synthesized by a simple coprecipitation process of iron(II) and iron(III) salt in basic solution. Afterwards, the particles were successfully incorporated into a polyorganosiloxane network via a polycondensation reaction of trimethoxymethylsilane (T), diethoxydimethylsilane (D) and the functional monomer (chloromethylphenyl)trimethoxysilane (ClBz-T) in aqueous dispersion. A core–shell system was chosen to increase the flexibility of the system concerning size, composition and functionalization possibilities. The magnetic nanocapsules with particle radii below 60
nm were separated from non-magnetic material with a high effectiveness by the use of commercially available separation columns which are commonly used for isolation of microbeads and subsequently characterized via transmission electron microscopy (TEM), asymmetrical flow field-flow fractionation (AF-FFF), superconducting quantum interference device (SQUID) and Mössbauer spectroscopy. |
| doi_str_mv | 10.1016/j.jmmm.2010.06.056 |
| format | Article |
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nm had been synthesized by a simple coprecipitation process of iron(II) and iron(III) salt in basic solution. Afterwards, the particles were successfully incorporated into a polyorganosiloxane network via a polycondensation reaction of trimethoxymethylsilane (T), diethoxydimethylsilane (D) and the functional monomer (chloromethylphenyl)trimethoxysilane (ClBz-T) in aqueous dispersion. A core–shell system was chosen to increase the flexibility of the system concerning size, composition and functionalization possibilities. The magnetic nanocapsules with particle radii below 60
nm were separated from non-magnetic material with a high effectiveness by the use of commercially available separation columns which are commonly used for isolation of microbeads and subsequently characterized via transmission electron microscopy (TEM), asymmetrical flow field-flow fractionation (AF-FFF), superconducting quantum interference device (SQUID) and Mössbauer spectroscopy.</description><identifier>ISSN: 0304-8853</identifier><identifier>DOI: 10.1016/j.jmmm.2010.06.056</identifier><identifier>CODEN: JMMMDC</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Chemical synthesis methods ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Cross-disciplinary physics: materials science; rheology ; Encapsulation ; Exact sciences and technology ; Fractionation ; Magnetic ; Magnetic materials ; Magnetic properties and materials ; Magnetic properties of nanostructures ; Magnetic resonances and relaxations in condensed matter, mössbauer effect ; Magnetic separation ; Magnetism ; Materials science ; Methods of nanofabrication ; Mössbauer effect; other γ-ray spectroscopy ; Nanoparticle ; Nanoparticles ; Physics ; Polyorganosiloxane ; Synthesis</subject><ispartof>Journal of magnetism and magnetic materials, 2010-11, Vol.322 (21), p.3519-3526</ispartof><rights>2010 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c325t-947a8d6bbf9b1b8f87bbd7b89149a093f2990d4f92bd694bdc433a3eeb61ce7f3</citedby><cites>FETCH-LOGICAL-c325t-947a8d6bbf9b1b8f87bbd7b89149a093f2990d4f92bd694bdc433a3eeb61ce7f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304885310004518$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23194582$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Utech, Stefanie</creatorcontrib><creatorcontrib>Scherer, Christian</creatorcontrib><creatorcontrib>Krohne, Korinna</creatorcontrib><creatorcontrib>Carrella, Luca</creatorcontrib><creatorcontrib>Rentschler, Eva</creatorcontrib><creatorcontrib>Gasi, Teuta</creatorcontrib><creatorcontrib>Ksenofontov, Vadim</creatorcontrib><creatorcontrib>Felser, Claudia</creatorcontrib><creatorcontrib>Maskos, Michael</creatorcontrib><title>Magnetic polyorganosiloxane core–shell nanoparticles: Synthesis, characterization and magnetic fractionation</title><title>Journal of magnetism and magnetic materials</title><description>Here, we present the synthesis, characterization and magnetic separation of magnetic polyorganosiloxane nanoparticles. Magnetic iron oxide nanoparticles with average particle radii of 3.2
nm had been synthesized by a simple coprecipitation process of iron(II) and iron(III) salt in basic solution. Afterwards, the particles were successfully incorporated into a polyorganosiloxane network via a polycondensation reaction of trimethoxymethylsilane (T), diethoxydimethylsilane (D) and the functional monomer (chloromethylphenyl)trimethoxysilane (ClBz-T) in aqueous dispersion. A core–shell system was chosen to increase the flexibility of the system concerning size, composition and functionalization possibilities. The magnetic nanocapsules with particle radii below 60
nm were separated from non-magnetic material with a high effectiveness by the use of commercially available separation columns which are commonly used for isolation of microbeads and subsequently characterized via transmission electron microscopy (TEM), asymmetrical flow field-flow fractionation (AF-FFF), superconducting quantum interference device (SQUID) and Mössbauer spectroscopy.</description><subject>Chemical synthesis methods</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Encapsulation</subject><subject>Exact sciences and technology</subject><subject>Fractionation</subject><subject>Magnetic</subject><subject>Magnetic materials</subject><subject>Magnetic properties and materials</subject><subject>Magnetic properties of nanostructures</subject><subject>Magnetic resonances and relaxations in condensed matter, mössbauer effect</subject><subject>Magnetic separation</subject><subject>Magnetism</subject><subject>Materials science</subject><subject>Methods of nanofabrication</subject><subject>Mössbauer effect; 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Magnetic iron oxide nanoparticles with average particle radii of 3.2
nm had been synthesized by a simple coprecipitation process of iron(II) and iron(III) salt in basic solution. Afterwards, the particles were successfully incorporated into a polyorganosiloxane network via a polycondensation reaction of trimethoxymethylsilane (T), diethoxydimethylsilane (D) and the functional monomer (chloromethylphenyl)trimethoxysilane (ClBz-T) in aqueous dispersion. A core–shell system was chosen to increase the flexibility of the system concerning size, composition and functionalization possibilities. The magnetic nanocapsules with particle radii below 60
nm were separated from non-magnetic material with a high effectiveness by the use of commercially available separation columns which are commonly used for isolation of microbeads and subsequently characterized via transmission electron microscopy (TEM), asymmetrical flow field-flow fractionation (AF-FFF), superconducting quantum interference device (SQUID) and Mössbauer spectroscopy.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jmmm.2010.06.056</doi><tpages>8</tpages></addata></record> |
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| subjects | Chemical synthesis methods Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Encapsulation Exact sciences and technology Fractionation Magnetic Magnetic materials Magnetic properties and materials Magnetic properties of nanostructures Magnetic resonances and relaxations in condensed matter, mössbauer effect Magnetic separation Magnetism Materials science Methods of nanofabrication Mössbauer effect other γ-ray spectroscopy Nanoparticle Nanoparticles Physics Polyorganosiloxane Synthesis |
| title | Magnetic polyorganosiloxane core–shell nanoparticles: Synthesis, characterization and magnetic fractionation |
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