Synthesis, magnetic properties, surface modification and cytotoxicity evaluation of Y3Fe5-xAlxO12 (0≤x≤2) garnet submicron particles for biomedical applications
Yttrium aluminum iron garnet Y3Fe5−xAlxO12 compounds were produced by the citrate gel process by varying the aluminum content x from 0 to 2. Particles with an average size of about 100 nm and a specific surface area ranging from 6 to 28 m2/g were obtained. Curie temperatures (TC) were determined fro...
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| Veröffentlicht in: | Journal of magnetism and magnetic materials 2001-09, Vol.234 (3), p.409-418 |
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| container_title | Journal of magnetism and magnetic materials |
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| creator | GRASSET, Fabien MORNET, Stéphane DEMOURGUES, Alain PORTIER, Josik BONNET, Jacques VEKRIS, Antoine DUGUET, Etienne |
| description | Yttrium aluminum iron garnet Y3Fe5−xAlxO12 compounds were produced by the citrate gel process by varying the aluminum content x from 0 to 2. Particles with an average size of about 100 nm and a specific surface area ranging from 6 to 28 m2/g were obtained. Curie temperatures (TC) were determined from the temperature dependence of the field-cooled magnetization (FCM) and the remnant magnetization (REM) and range from –40°C to 280°C. According to the magnetic moment variation, the aluminum cation seems to replace the iron cation in the tetrahedral site for compounds with x |
| doi_str_mv | 10.1016/s0304-8853(01)00386-9 |
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Particles with an average size of about 100 nm and a specific surface area ranging from 6 to 28 m2/g were obtained. Curie temperatures (TC) were determined from the temperature dependence of the field-cooled magnetization (FCM) and the remnant magnetization (REM) and range from –40°C to 280°C. According to the magnetic moment variation, the aluminum cation seems to replace the iron cation in the tetrahedral site for compounds with x<0.7. 3-Aminopropyltrimethoxysilane (γ-APS) was grafted onto the particles surface and its presence confirmed by infra-red spectroscopy. Cytotoxicity assays were carried out during a period of 13 days using human microglia and rat glioblastoma cell lines. The presence of the amine-functionalized particles did not affect the cell viability or the culture growth rate. Finally, amine-functionalized particles were successfully labeled with covalently linked fluorescing molecules.</description><identifier>ISSN: 0304-8853</identifier><identifier>EISSN: 1873-4766</identifier><identifier>DOI: 10.1016/s0304-8853(01)00386-9</identifier><identifier>CODEN: JMMMDC</identifier><language>eng</language><publisher>Amsterdam: Elsevier Science</publisher><subject>Biological and medical sciences ; Chemical Sciences ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Fine-particle systems ; Inorganic chemistry ; Magnetic properties and materials ; Material chemistry ; Materials science ; Medical sciences ; Nanoscale materials and structures: fabrication and characterization ; Physics ; Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) ; Small particles and nanoscale materials ; Studies of specific magnetic materials ; Technology. Biomaterials. Equipments. Material. 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Particles with an average size of about 100 nm and a specific surface area ranging from 6 to 28 m2/g were obtained. Curie temperatures (TC) were determined from the temperature dependence of the field-cooled magnetization (FCM) and the remnant magnetization (REM) and range from –40°C to 280°C. According to the magnetic moment variation, the aluminum cation seems to replace the iron cation in the tetrahedral site for compounds with x<0.7. 3-Aminopropyltrimethoxysilane (γ-APS) was grafted onto the particles surface and its presence confirmed by infra-red spectroscopy. Cytotoxicity assays were carried out during a period of 13 days using human microglia and rat glioblastoma cell lines. The presence of the amine-functionalized particles did not affect the cell viability or the culture growth rate. Finally, amine-functionalized particles were successfully labeled with covalently linked fluorescing molecules.</description><subject>Biological and medical sciences</subject><subject>Chemical Sciences</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Fine-particle systems</subject><subject>Inorganic chemistry</subject><subject>Magnetic properties and materials</subject><subject>Material chemistry</subject><subject>Materials science</subject><subject>Medical sciences</subject><subject>Nanoscale materials and structures: fabrication and characterization</subject><subject>Physics</subject><subject>Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</subject><subject>Small particles and nanoscale materials</subject><subject>Studies of specific magnetic materials</subject><subject>Technology. Biomaterials. Equipments. Material. 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Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</topic><topic>Small particles and nanoscale materials</topic><topic>Studies of specific magnetic materials</topic><topic>Technology. Biomaterials. Equipments. Material. Instrumentation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>GRASSET, Fabien</creatorcontrib><creatorcontrib>MORNET, Stéphane</creatorcontrib><creatorcontrib>DEMOURGUES, Alain</creatorcontrib><creatorcontrib>PORTIER, Josik</creatorcontrib><creatorcontrib>BONNET, Jacques</creatorcontrib><creatorcontrib>VEKRIS, Antoine</creatorcontrib><creatorcontrib>DUGUET, Etienne</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Journal of magnetism and magnetic materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>GRASSET, Fabien</au><au>MORNET, Stéphane</au><au>DEMOURGUES, Alain</au><au>PORTIER, Josik</au><au>BONNET, Jacques</au><au>VEKRIS, Antoine</au><au>DUGUET, Etienne</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis, magnetic properties, surface modification and cytotoxicity evaluation of Y3Fe5-xAlxO12 (0≤x≤2) garnet submicron particles for biomedical applications</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2001-09-01</date><risdate>2001</risdate><volume>234</volume><issue>3</issue><spage>409</spage><epage>418</epage><pages>409-418</pages><issn>0304-8853</issn><eissn>1873-4766</eissn><coden>JMMMDC</coden><abstract>Yttrium aluminum iron garnet Y3Fe5−xAlxO12 compounds were produced by the citrate gel process by varying the aluminum content x from 0 to 2. Particles with an average size of about 100 nm and a specific surface area ranging from 6 to 28 m2/g were obtained. Curie temperatures (TC) were determined from the temperature dependence of the field-cooled magnetization (FCM) and the remnant magnetization (REM) and range from –40°C to 280°C. According to the magnetic moment variation, the aluminum cation seems to replace the iron cation in the tetrahedral site for compounds with x<0.7. 3-Aminopropyltrimethoxysilane (γ-APS) was grafted onto the particles surface and its presence confirmed by infra-red spectroscopy. Cytotoxicity assays were carried out during a period of 13 days using human microglia and rat glioblastoma cell lines. The presence of the amine-functionalized particles did not affect the cell viability or the culture growth rate. Finally, amine-functionalized particles were successfully labeled with covalently linked fluorescing molecules.</abstract><cop>Amsterdam</cop><pub>Elsevier Science</pub><doi>10.1016/s0304-8853(01)00386-9</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-4911-0214</orcidid><orcidid>https://orcid.org/0000-0002-0675-5987</orcidid><orcidid>https://orcid.org/0000-0002-1115-5812</orcidid><orcidid>https://orcid.org/0000-0002-3828-8498</orcidid></addata></record> |
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| subjects | Biological and medical sciences Chemical Sciences Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Fine-particle systems Inorganic chemistry Magnetic properties and materials Material chemistry Materials science Medical sciences Nanoscale materials and structures: fabrication and characterization Physics Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) Small particles and nanoscale materials Studies of specific magnetic materials Technology. Biomaterials. Equipments. Material. Instrumentation |
| title | Synthesis, magnetic properties, surface modification and cytotoxicity evaluation of Y3Fe5-xAlxO12 (0≤x≤2) garnet submicron particles for biomedical applications |
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