Magnetic polymer particles prepared by double crosslinking in reverse emulsion with potential biomedical applications

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F86652079%3A_____%2F15%3A00473328" target="_blank" >RIV/86652079:_____/15:00473328 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Magnetic polymer particles prepared by double crosslinking in reverse emulsion with potential biomedical applications

Popis výsledku v původním jazyce

This study was performed in order to obtain polymeric magnetic microparticles based on chitosan, poly(vinyl alcohol) and maghemite as colloidal magnetic nanoparticles. For preparation of particles we used double crosslinking in reverse emulsion procedure. Sodium sulphate (Na2SO4) solution is added for ionic crosslinking of the polymers and glutaraldehyde is used as covalent crosslinking agent. The following preparation parameters were studied: concentration of polymers solution, concentration of surfactants, poly(vinyl alcohol) to chitosan weight ratio, stirring speed, molar ratio between crosslinking agents, polymers to magnetic material weight ratio. The characterization of microparticles was performed by Fourier Transform Infrared Spectroscopy, Scanning Electron Microscopy, Transmission Electron Microscopy, Thermal Gravimetric Analysis and Vibrating Sample Magnetometry analysis. The evaluations of their toxicity together with hemocompatibility tests have shown that these particles exhibit the prerequisite behavior for use in biomedical field, for drug targeting. Also, was studied the behavior of particles in aqueous media, the drug (5-fluorouracil) loading and the kinetic of drug release from the particles, determined that particles behave differently depending on their structural characteristics, composition and morphology.

Název v anglickém jazyce

Magnetic polymer particles prepared by double crosslinking in reverse emulsion with potential biomedical applications

Popis výsledku anglicky

This study was performed in order to obtain polymeric magnetic microparticles based on chitosan, poly(vinyl alcohol) and maghemite as colloidal magnetic nanoparticles. For preparation of particles we used double crosslinking in reverse emulsion procedure. Sodium sulphate (Na2SO4) solution is added for ionic crosslinking of the polymers and glutaraldehyde is used as covalent crosslinking agent. The following preparation parameters were studied: concentration of polymers solution, concentration of surfactants, poly(vinyl alcohol) to chitosan weight ratio, stirring speed, molar ratio between crosslinking agents, polymers to magnetic material weight ratio. The characterization of microparticles was performed by Fourier Transform Infrared Spectroscopy, Scanning Electron Microscopy, Transmission Electron Microscopy, Thermal Gravimetric Analysis and Vibrating Sample Magnetometry analysis. The evaluations of their toxicity together with hemocompatibility tests have shown that these particles exhibit the prerequisite behavior for use in biomedical field, for drug targeting. Also, was studied the behavior of particles in aqueous media, the drug (5-fluorouracil) loading and the kinetic of drug release from the particles, determined that particles behave differently depending on their structural characteristics, composition and morphology.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

EH - Ekologie – společenstva

OECD FORD obor

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Projekt

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Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2015

Kód důvěrnosti údajů

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

Název periodika

Journal of Optoelectronics and Advanced Materials

ISSN

1454-4164

e-ISSN

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Svazek periodika

17

Číslo periodika v rámci svazku

7-8

Stát vydavatele periodika

RO - Rumunsko

Počet stran výsledku

12

Strana od-do

1198-1209

Kód UT WoS článku

000359967600046

EID výsledku v databázi Scopus

2-s2.0-84944261087