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Silica encapsulated manganese perovskite nanoparticles for magnetically induced hyperthermia without the risk of overheating

hal.structure.identifierInstitute of Physics
hal.structure.identifierDepartment of Inorganic Chemistry
dc.contributor.authorKAMAN, O.
hal.structure.identifierInstitute of Physics
dc.contributor.authorPOLLERT, Emil
hal.structure.identifierInstitute of Physics
dc.contributor.authorVEVERKA, P.
hal.structure.identifierInstitute of Physics
dc.contributor.authorVEVERKA, M.
hal.structure.identifierInstitute of Physics
dc.contributor.authorHADOVA, E.
hal.structure.identifierInstitute of Physics
dc.contributor.authorKNIZEK, Karel
hal.structure.identifierInstitute of Physics
dc.contributor.authorMARYŠKO, Miroslav
hal.structure.identifierFaculty of Electrical Engineering [Prague] [FEL CTU]
dc.contributor.authorKAŠPAR, Petr
hal.structure.identifierInstitute of Inorganic Chemistry
dc.contributor.authorKLEMENTOVA, M.
hal.structure.identifierZentiva a.s.
dc.contributor.authorGRÜNWALDOVÁ, V.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorVASSEUR, Sébastien
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorEPHERRE, Romain
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMORNET, Stéphane
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGOGLIO, Graziella
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDUGUET, Etienne
dc.date.issued2009
dc.identifier.issn0957-4484
dc.description.abstractEnNanoparticles of manganese perovskite of the composition La<sub>0.75</sub>Sr<sub>0.25</sub>MnO<sub>3</sub> uniformly coated with silica were prepared by encapsulation of the magnetic cores (mean crystallite size 24 nm) using tetraethoxysilane followed by fractionation. The resulting hybrid particles form a stable suspension in an aqueous environment at physiological pH and possess a narrow hydrodynamic size distribution. Both calorimetric heating experiments and direct measurements of hysteresis loops in the alternating field revealed high specific power losses, further enhanced by the encapsulation procedure in the case of the coated particles. The corresponding results are discussed on the basis of complex characterization of the particles and especially detailed magnetic measurements. Moreover, the Curie temperature (335 K) of the selected magnetic cores resolves the risk of local overheating during hyperthermia treatment.
dc.language.isoen
dc.publisherInstitute of Physics
dc.title.enSilica encapsulated manganese perovskite nanoparticles for magnetically induced hyperthermia without the risk of overheating
dc.typeArticle de revue
dc.identifier.doi10.1088/0957-4484/20/27/275610
dc.subject.halChimie/Matériaux
bordeaux.journalNanotechnology
bordeaux.page275610 (7 p.)
bordeaux.volume20
bordeaux.issue27
bordeaux.peerReviewedoui
hal.identifierhal-00403014
hal.version1
hal.popularnon
hal.audienceInternationale
dc.subject.itManganese
dc.subject.itSilica
dc.subject.itNanoparticles
dc.subject.itMagnetism
dc.subject.itHyperthermia
dc.subject.itEncapsulation
dc.subject.itPerovskite
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00403014v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=Nanotechnology&amp;rft.date=2009&amp;rft.volume=20&amp;rft.issue=27&amp;rft.spage=275610%20(7%20p.)&amp;rft.epage=275610%20(7%20p.)&amp;rft.eissn=0957-4484&amp;rft.issn=0957-4484&amp;rft.au=KAMAN,%20O.&amp;POLLERT,%20Emil&amp;VEVERKA,%20P.&amp;VEVERKA,%20M.&amp;HADOVA,%20E.&amp;rft.genre=article


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