Investigation of radiofrequency induced release kinetics from magnetic hollow silica microspheres

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F12%3A43893583" target="_blank" >RIV/60461373:22340/12:43893583 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1016/j.micromeso.2012.04.019" target="_blank" >http://dx.doi.org/10.1016/j.micromeso.2012.04.019</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.micromeso.2012.04.019" target="_blank" >10.1016/j.micromeso.2012.04.019</a>

Result language

angličtina

Original language name

Investigation of radiofrequency induced release kinetics from magnetic hollow silica microspheres

Original language description

Composite hollow silica microspheres containing embedded iron oxide nanoparticles for radiofrequency heating have been synthesised by a soft templating route. The influence of nanoparticle concentration on the microspheres size distribution, shell thickness, and heating rate was investigated. The structure of the hollow microspheres was characterised by SEM, confocal microscopy and BET analysis, and the temperature-dependence of release kinetics of a model substance (vitamin B12) from the microspheres was measured by time-resolved UV/Vis spectrophotometry. A mathematical model of the release process, based on simultaneous diffusion and adsorption/desorption of the solute in the mesoporous shell, has been developed and used to evaluate the dependence ofthe effective diffusivity in the mesoporous silica shell on temperature and preparation conditions.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CI - Industrial chemistry and chemical engineering

OECD FORD branch

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Project

<a href="/en/project/GD104%2F08%2FH055" target="_blank" >GD104/08/H055: Transport and reaction processes in complex multiphase systems</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Publication year

2012

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Microporous and mesoporous materials

ISSN

1387-1811

e-ISSN

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Volume of the periodical

159

Issue of the periodical within the volume

neuveden

Country of publishing house

BE - BELGIUM

Number of pages

7

Pages from-to

119-125

UT code for WoS article

000305917700018

EID of the result in the Scopus database

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