Preparation of hydrophilic magnetic nanospheres with high saturation magnetization
Well-defined silica-magnetite core-shell nanospheres were prepared via a modified sol–gel method. Sphere-like magnetite aggregates were obtained as cores of the final nanospheres by assembling in the presence of Tween 20. Characterization by transmission electron microscopy (TEM) showed spherical mo...
Gespeichert in:
| Veröffentlicht in: | Journal of magnetism and magnetic materials 2007-04, Vol.311 (1), p.125-130 |
|---|---|
| Hauptverfasser: | , , , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | 130 |
|---|---|
| container_issue | 1 |
| container_start_page | 125 |
| container_title | Journal of magnetism and magnetic materials |
| container_volume | 311 |
| creator | Xu, Hong Tong, Naihu Cui, Longlan Lu, Ying Gu, Hongchen |
| description | Well-defined silica-magnetite core-shell nanospheres were prepared via a modified sol–gel method. Sphere-like magnetite aggregates were obtained as cores of the final nanospheres by assembling in the presence of Tween 20. Characterization by transmission electron microscopy (TEM) showed spherical morphology of the nanospheres with controlled silica shell thickness from 9 to 30
nm, depending on the amount of tetraethoxysilane (TEOS) used. The nanospheres contained up to 41.7
wt% magnetite with a saturation magnetization of 21.8
emu/g. Up to 35
μg/mg of the model biomolecule streptavidin (SA) could be bound covalently to the hydrophilic silica nanospheres. |
| doi_str_mv | 10.1016/j.jmmm.2006.11.173 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_29930489</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><els_id>S0304885306025170</els_id><sourcerecordid>29930489</sourcerecordid><originalsourceid>FETCH-LOGICAL-c361t-d9974cc272abffaace15045351cac435e7e6d67f171851c5a541904bf6e1fea33</originalsourceid><addsrcrecordid>eNp9kMlOwzAQhnMAiVJ4AU65wC3BkzhOInFBFZtUCYTgbE2dceMoG3YKKk-PSytx4zSLvn-WPwgugMXAQFw3cdN1XZwwJmKAGPL0KJixlPGoKLL0JDh1rmGMAS_ELHh9sTSixckMfTjosN5Wdhhr0xoVdrjuafJJj_3gxposufDLTHVYm3UdOpw2B-GB_P6tzoJjja2j80OcB-_3d2-Lx2j5_PC0uF1GKhUwRVVZ5lypJE9wpTWiIsgYz9IMFCqeZpSTqESuIYfC9zLMOJSMr7Qg0IRpOg-u9nNHO3xsyE2yM05R22JPw8bJpCz900XpwWQPKjs4Z0nL0ZoO7VYCkzvLZCN3lsmdZRJAesu86PIwHZ3CVlvslXF_ykLw3B_kuZs9R_7VT0NWOmWoV1QZS2qS1WD-W_MDcrCGLg</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>29930489</pqid></control><display><type>article</type><title>Preparation of hydrophilic magnetic nanospheres with high saturation magnetization</title><source>Elsevier ScienceDirect Journals Complete</source><creator>Xu, Hong ; Tong, Naihu ; Cui, Longlan ; Lu, Ying ; Gu, Hongchen</creator><creatorcontrib>Xu, Hong ; Tong, Naihu ; Cui, Longlan ; Lu, Ying ; Gu, Hongchen</creatorcontrib><description>Well-defined silica-magnetite core-shell nanospheres were prepared via a modified sol–gel method. Sphere-like magnetite aggregates were obtained as cores of the final nanospheres by assembling in the presence of Tween 20. Characterization by transmission electron microscopy (TEM) showed spherical morphology of the nanospheres with controlled silica shell thickness from 9 to 30
nm, depending on the amount of tetraethoxysilane (TEOS) used. The nanospheres contained up to 41.7
wt% magnetite with a saturation magnetization of 21.8
emu/g. Up to 35
μg/mg of the model biomolecule streptavidin (SA) could be bound covalently to the hydrophilic silica nanospheres.</description><identifier>ISSN: 0304-8853</identifier><identifier>DOI: 10.1016/j.jmmm.2006.11.173</identifier><identifier>CODEN: JMMMDC</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Bioapplication ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; High saturation magnetization ; Hydrophilic ; Magnetic nanospheres ; Magnetic properties and materials ; Magnetic properties of nanostructures ; Materials science ; Methods of nanofabrication ; Physics ; Self-assembly ; Silica-coated ; Streptavidin</subject><ispartof>Journal of magnetism and magnetic materials, 2007-04, Vol.311 (1), p.125-130</ispartof><rights>2006 Elsevier B.V.</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c361t-d9974cc272abffaace15045351cac435e7e6d67f171851c5a541904bf6e1fea33</citedby><cites>FETCH-LOGICAL-c361t-d9974cc272abffaace15045351cac435e7e6d67f171851c5a541904bf6e1fea33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304885306025170$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,3537,23909,23910,25118,27901,27902,65534</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18647419$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Xu, Hong</creatorcontrib><creatorcontrib>Tong, Naihu</creatorcontrib><creatorcontrib>Cui, Longlan</creatorcontrib><creatorcontrib>Lu, Ying</creatorcontrib><creatorcontrib>Gu, Hongchen</creatorcontrib><title>Preparation of hydrophilic magnetic nanospheres with high saturation magnetization</title><title>Journal of magnetism and magnetic materials</title><description>Well-defined silica-magnetite core-shell nanospheres were prepared via a modified sol–gel method. Sphere-like magnetite aggregates were obtained as cores of the final nanospheres by assembling in the presence of Tween 20. Characterization by transmission electron microscopy (TEM) showed spherical morphology of the nanospheres with controlled silica shell thickness from 9 to 30
nm, depending on the amount of tetraethoxysilane (TEOS) used. The nanospheres contained up to 41.7
wt% magnetite with a saturation magnetization of 21.8
emu/g. Up to 35
μg/mg of the model biomolecule streptavidin (SA) could be bound covalently to the hydrophilic silica nanospheres.</description><subject>Bioapplication</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>High saturation magnetization</subject><subject>Hydrophilic</subject><subject>Magnetic nanospheres</subject><subject>Magnetic properties and materials</subject><subject>Magnetic properties of nanostructures</subject><subject>Materials science</subject><subject>Methods of nanofabrication</subject><subject>Physics</subject><subject>Self-assembly</subject><subject>Silica-coated</subject><subject>Streptavidin</subject><issn>0304-8853</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNp9kMlOwzAQhnMAiVJ4AU65wC3BkzhOInFBFZtUCYTgbE2dceMoG3YKKk-PSytx4zSLvn-WPwgugMXAQFw3cdN1XZwwJmKAGPL0KJixlPGoKLL0JDh1rmGMAS_ELHh9sTSixckMfTjosN5Wdhhr0xoVdrjuafJJj_3gxposufDLTHVYm3UdOpw2B-GB_P6tzoJjja2j80OcB-_3d2-Lx2j5_PC0uF1GKhUwRVVZ5lypJE9wpTWiIsgYz9IMFCqeZpSTqESuIYfC9zLMOJSMr7Qg0IRpOg-u9nNHO3xsyE2yM05R22JPw8bJpCz900XpwWQPKjs4Z0nL0ZoO7VYCkzvLZCN3lsmdZRJAesu86PIwHZ3CVlvslXF_ykLw3B_kuZs9R_7VT0NWOmWoV1QZS2qS1WD-W_MDcrCGLg</recordid><startdate>20070401</startdate><enddate>20070401</enddate><creator>Xu, Hong</creator><creator>Tong, Naihu</creator><creator>Cui, Longlan</creator><creator>Lu, Ying</creator><creator>Gu, Hongchen</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20070401</creationdate><title>Preparation of hydrophilic magnetic nanospheres with high saturation magnetization</title><author>Xu, Hong ; Tong, Naihu ; Cui, Longlan ; Lu, Ying ; Gu, Hongchen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c361t-d9974cc272abffaace15045351cac435e7e6d67f171851c5a541904bf6e1fea33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Bioapplication</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>High saturation magnetization</topic><topic>Hydrophilic</topic><topic>Magnetic nanospheres</topic><topic>Magnetic properties and materials</topic><topic>Magnetic properties of nanostructures</topic><topic>Materials science</topic><topic>Methods of nanofabrication</topic><topic>Physics</topic><topic>Self-assembly</topic><topic>Silica-coated</topic><topic>Streptavidin</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xu, Hong</creatorcontrib><creatorcontrib>Tong, Naihu</creatorcontrib><creatorcontrib>Cui, Longlan</creatorcontrib><creatorcontrib>Lu, Ying</creatorcontrib><creatorcontrib>Gu, Hongchen</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of magnetism and magnetic materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xu, Hong</au><au>Tong, Naihu</au><au>Cui, Longlan</au><au>Lu, Ying</au><au>Gu, Hongchen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation of hydrophilic magnetic nanospheres with high saturation magnetization</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2007-04-01</date><risdate>2007</risdate><volume>311</volume><issue>1</issue><spage>125</spage><epage>130</epage><pages>125-130</pages><issn>0304-8853</issn><coden>JMMMDC</coden><abstract>Well-defined silica-magnetite core-shell nanospheres were prepared via a modified sol–gel method. Sphere-like magnetite aggregates were obtained as cores of the final nanospheres by assembling in the presence of Tween 20. Characterization by transmission electron microscopy (TEM) showed spherical morphology of the nanospheres with controlled silica shell thickness from 9 to 30
nm, depending on the amount of tetraethoxysilane (TEOS) used. The nanospheres contained up to 41.7
wt% magnetite with a saturation magnetization of 21.8
emu/g. Up to 35
μg/mg of the model biomolecule streptavidin (SA) could be bound covalently to the hydrophilic silica nanospheres.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jmmm.2006.11.173</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0304-8853 |
| ispartof | Journal of magnetism and magnetic materials, 2007-04, Vol.311 (1), p.125-130 |
| issn | 0304-8853 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_29930489 |
| source | Elsevier ScienceDirect Journals Complete |
| subjects | Bioapplication Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Exact sciences and technology High saturation magnetization Hydrophilic Magnetic nanospheres Magnetic properties and materials Magnetic properties of nanostructures Materials science Methods of nanofabrication Physics Self-assembly Silica-coated Streptavidin |
| title | Preparation of hydrophilic magnetic nanospheres with high saturation magnetization |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-13T16%3A36%3A52IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Preparation%20of%20hydrophilic%20magnetic%20nanospheres%20with%20high%20saturation%20magnetization&rft.jtitle=Journal%20of%20magnetism%20and%20magnetic%20materials&rft.au=Xu,%20Hong&rft.date=2007-04-01&rft.volume=311&rft.issue=1&rft.spage=125&rft.epage=130&rft.pages=125-130&rft.issn=0304-8853&rft.coden=JMMMDC&rft_id=info:doi/10.1016/j.jmmm.2006.11.173&rft_dat=%3Cproquest_cross%3E29930489%3C/proquest_cross%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=29930489&rft_id=info:pmid/&rft_els_id=S0304885306025170&rfr_iscdi=true |