About: Structure and properties of stimuli-responsive PNIPAM/Fe3O4 microcapsules

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In the present work, we have prepared composite PNIPAM/Fe3O4 microbeads and characterized their properties by several methods. Although these microspheres were prepared by inverse Pickering emulsion polymerization method, they do not have the same structure as other microcapsules prepared via this procedure. Normally Pickering microcapsules are spherical and their surface is coated by a nanoparticle layer, however microbeads prepared in this work had foam-like structure and the Fe3O4 nanoparticles were dispersed in the whole volume. Composite microbeads exhibited reversible shrinking/swelling behavior in the dependence of temperature changes similar to those known from pure PNIPAM microgels. Due to the presence of iron oxide nanoparticles it was possible to manipulate with microbeads by using extrenal magnetic field. The combination of thermoresponsive PNIPAM property and Fe3O4 superparamagnetic behavior can give the composite microbeads excellent properties useful in a variety of applications. In the present work, we have prepared composite PNIPAM/Fe3O4 microbeads and characterized their properties by several methods. Although these microspheres were prepared by inverse Pickering emulsion polymerization method, they do not have the same structure as other microcapsules prepared via this procedure. Normally Pickering microcapsules are spherical and their surface is coated by a nanoparticle layer, however microbeads prepared in this work had foam-like structure and the Fe3O4 nanoparticles were dispersed in the whole volume. Composite microbeads exhibited reversible shrinking/swelling behavior in the dependence of temperature changes similar to those known from pure PNIPAM microgels. Due to the presence of iron oxide nanoparticles it was possible to manipulate with microbeads by using extrenal magnetic field. The combination of thermoresponsive PNIPAM property and Fe3O4 superparamagnetic behavior can give the composite microbeads excellent properties useful in a variety of applications. (en)
Title	Structure and properties of stimuli-responsive PNIPAM/Fe3O4 microcapsules Structure and properties of stimuli-responsive PNIPAM/Fe3O4 microcapsules (en)
skos:prefLabel	Structure and properties of stimuli-responsive PNIPAM/Fe3O4 microcapsules Structure and properties of stimuli-responsive PNIPAM/Fe3O4 microcapsules (en)
skos:notation	RIV/60461373:22340/10:00023286!RIV11-GA0-22340___
http://linked.open...avai/riv/aktivita	P R S
http://linked.open...avai/riv/aktivity	P(GD104/08/H055), R, S
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Štěpánek, František Tokárová, Viola Čejková, Jitka
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	290484
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/10:00023286
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	thermo-responsive polymer; PNIPAM; Fe3O4; nanoparticles; composite magnetic microcapsules. (en)
http://linked.open.../riv/klicoveSlovo	Fe3O4 PNIPAM nanoparticles composite magnetic microcapsules. thermo-responsive polymer
http://linked.open...ontrolniKodProRIV	[B78C177D237B]
http://linked.open...v/mistoKonaniAkce	Tatranske Matliare, Slovensko
http://linked.open...i/riv/mistoVydani	Bratislava
http://linked.open...i/riv/nazevZdroje	Proceedings of the 37th International Conference of Slovak Society of Chemical Engineering, 2010
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Transport and reaction processes in complex multiphase systems
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Tokárová, Viola Štěpánek, František Čejková, Jitka
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-01-01 (xsd:date)
number of pages	9 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Slovak Society of Chemical Engineering
https://schema.org/isbn	978-80-227-3290-1
http://localhost/t...ganizacniJednotka	22340

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