Novel synthetic routes of large-pore magnetic mesoporous nanocomposites (SBA-15/FeO) as potential multifunctional theranostic nanodevices
In this paper, novel magnetic silica nanocomposites were prepared by anchoring magnetite nanoparticles onto the outer surface of mesoporous SBA-15 silica; the magnetic nanoparticles were prepared by microemulsion and solvothermal methods, varying the synthesis conditions in order to control the fina...
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Veröffentlicht in: | Journal of materials chemistry. B, Materials for biology and medicine Materials for biology and medicine, 2017-12, Vol.5 (47), p.9395-944 |
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creator | Vargas-Osorio, Z González-Gómez, M. A Piñeiro, Y Vázquez-Vázquez, C Rodríguez-Abreu, C López-Quintela, M. A Rivas, J |
description | In this paper, novel magnetic silica nanocomposites were prepared by anchoring magnetite nanoparticles onto the outer surface of mesoporous SBA-15 silica; the magnetic nanoparticles were prepared by microemulsion and solvothermal methods, varying the synthesis conditions in order to control the final physicochemical, textural and magnetic properties. The morphology and mesostructure of the materials were characterized by X-ray diffraction (XRD), Fourier-Transform Infrared Spectroscopy (FTIR), N
2
adsorption-desorption, and Transmission and Scanning Electron Microscopy (TEM and SEM). Magnetic silica nanocomposites feature a two-dimensional hexagonal arrangement constituted by a homogeneous pore channel system with diameters between 13 and 18 nm and a Brunauer-Emmett-Teller (BET) surface area higher than 260 m
2
g
−1
. The different morphologies of the samples are given by the presence of diverse magnetic nanoparticle arrangements covalently linked onto the outer surface of the mesoporous silica rods. This confers on them a superparamagnetic behaviour with a magnetic response between 50-80 emu g
−1
, even though the weight percent of magnetite present in the samples does not exceed 21.7%. In addition, the magnetic nanocomposites exhibit magnetic hyperthermia with moderate Specific Absorption Rate (SAR) values.
Superparamagnetic nanocomposites with a well-defined mesoporous matrix and mesoporous surface available for the high loading of drugs or biological entities. |
doi_str_mv | 10.1039/c7tb01963g |
format | Article |
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2
adsorption-desorption, and Transmission and Scanning Electron Microscopy (TEM and SEM). Magnetic silica nanocomposites feature a two-dimensional hexagonal arrangement constituted by a homogeneous pore channel system with diameters between 13 and 18 nm and a Brunauer-Emmett-Teller (BET) surface area higher than 260 m
2
g
−1
. The different morphologies of the samples are given by the presence of diverse magnetic nanoparticle arrangements covalently linked onto the outer surface of the mesoporous silica rods. This confers on them a superparamagnetic behaviour with a magnetic response between 50-80 emu g
−1
, even though the weight percent of magnetite present in the samples does not exceed 21.7%. In addition, the magnetic nanocomposites exhibit magnetic hyperthermia with moderate Specific Absorption Rate (SAR) values.
Superparamagnetic nanocomposites with a well-defined mesoporous matrix and mesoporous surface available for the high loading of drugs or biological entities.</description><identifier>ISSN: 2050-750X</identifier><identifier>EISSN: 2050-7518</identifier><identifier>DOI: 10.1039/c7tb01963g</identifier><identifier>PMID: 32264542</identifier><language>eng</language><publisher>England: Royal Society of Chemistry</publisher><subject>Anchoring ; Electron microscopy ; Fourier transforms ; Hyperthermia ; Infrared spectroscopy ; Iron oxides ; Magnetic properties ; Magnetite ; Nanocomposites ; Nanoparticles ; Nanotechnology devices ; Rods ; Scanning electron microscopy ; Silica ; Silicon dioxide ; X-ray diffraction</subject><ispartof>Journal of materials chemistry. B, Materials for biology and medicine, 2017-12, Vol.5 (47), p.9395-944</ispartof><rights>Copyright Royal Society of Chemistry 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c373t-e61bb74d2f0442bf36ae9cdfdd4e043466e6308316fff336a4b0517810c791973</citedby><cites>FETCH-LOGICAL-c373t-e61bb74d2f0442bf36ae9cdfdd4e043466e6308316fff336a4b0517810c791973</cites><orcidid>0000-0002-4842-8028 ; 0000-0002-5059-3196 ; 0000-0003-3689-4993 ; 0000-0003-4614-1629</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32264542$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Vargas-Osorio, Z</creatorcontrib><creatorcontrib>González-Gómez, M. A</creatorcontrib><creatorcontrib>Piñeiro, Y</creatorcontrib><creatorcontrib>Vázquez-Vázquez, C</creatorcontrib><creatorcontrib>Rodríguez-Abreu, C</creatorcontrib><creatorcontrib>López-Quintela, M. A</creatorcontrib><creatorcontrib>Rivas, J</creatorcontrib><title>Novel synthetic routes of large-pore magnetic mesoporous nanocomposites (SBA-15/FeO) as potential multifunctional theranostic nanodevices</title><title>Journal of materials chemistry. B, Materials for biology and medicine</title><addtitle>J Mater Chem B</addtitle><description>In this paper, novel magnetic silica nanocomposites were prepared by anchoring magnetite nanoparticles onto the outer surface of mesoporous SBA-15 silica; the magnetic nanoparticles were prepared by microemulsion and solvothermal methods, varying the synthesis conditions in order to control the final physicochemical, textural and magnetic properties. The morphology and mesostructure of the materials were characterized by X-ray diffraction (XRD), Fourier-Transform Infrared Spectroscopy (FTIR), N
2
adsorption-desorption, and Transmission and Scanning Electron Microscopy (TEM and SEM). Magnetic silica nanocomposites feature a two-dimensional hexagonal arrangement constituted by a homogeneous pore channel system with diameters between 13 and 18 nm and a Brunauer-Emmett-Teller (BET) surface area higher than 260 m
2
g
−1
. The different morphologies of the samples are given by the presence of diverse magnetic nanoparticle arrangements covalently linked onto the outer surface of the mesoporous silica rods. This confers on them a superparamagnetic behaviour with a magnetic response between 50-80 emu g
−1
, even though the weight percent of magnetite present in the samples does not exceed 21.7%. In addition, the magnetic nanocomposites exhibit magnetic hyperthermia with moderate Specific Absorption Rate (SAR) values.
Superparamagnetic nanocomposites with a well-defined mesoporous matrix and mesoporous surface available for the high loading of drugs or biological entities.</description><subject>Anchoring</subject><subject>Electron microscopy</subject><subject>Fourier transforms</subject><subject>Hyperthermia</subject><subject>Infrared spectroscopy</subject><subject>Iron oxides</subject><subject>Magnetic properties</subject><subject>Magnetite</subject><subject>Nanocomposites</subject><subject>Nanoparticles</subject><subject>Nanotechnology devices</subject><subject>Rods</subject><subject>Scanning electron microscopy</subject><subject>Silica</subject><subject>Silicon dioxide</subject><subject>X-ray diffraction</subject><issn>2050-750X</issn><issn>2050-7518</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNpdkUFP3DAQha2qqKCFS-9UlnqBSoFx7NjJEVZAK6FygEq9RY4zXoKSOLUdJH5C_3Udlm6l-mKP3zfPGj9CPjI4Y8Crc6NiA6ySfPOOHORQQKYKVr7fneHnPjkK4QnSKpksufhA9nmeS1GI_ID8_u6esafhZYyPGDtDvZsjBuos7bXfYDY5j3TQm_FVHTC4dOPmQEc9OuOGyYVuaTi5v7zIWHF-jXenVAc6uYhj7HRPh7mPnZ1HEzs3pjo95FNvWPwWkxafO4PhkOxZ3Qc8ettX5Mf11cP6a3Z7d_NtfXGbGa54zFCyplGizS0IkTeWS42VaW3bCgTBhZQoOZScSWstT6pooGCqZGBUxSrFV-Rk6zt592vGEOuhCwb7Xo-Y5qpzXipZ5JC-dEU-_4c-udmnGRIFDCrgoBbDL1vKeBeCR1tPvhu0f6kZ1EtG9Vo9XL5mdJPgT2-WczNgu0P_JpKA4y3gg9mp_0LmfwDzG5c8</recordid><startdate>20171221</startdate><enddate>20171221</enddate><creator>Vargas-Osorio, Z</creator><creator>González-Gómez, M. 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A ; Piñeiro, Y ; Vázquez-Vázquez, C ; Rodríguez-Abreu, C ; López-Quintela, M. A ; Rivas, J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c373t-e61bb74d2f0442bf36ae9cdfdd4e043466e6308316fff336a4b0517810c791973</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Anchoring</topic><topic>Electron microscopy</topic><topic>Fourier transforms</topic><topic>Hyperthermia</topic><topic>Infrared spectroscopy</topic><topic>Iron oxides</topic><topic>Magnetic properties</topic><topic>Magnetite</topic><topic>Nanocomposites</topic><topic>Nanoparticles</topic><topic>Nanotechnology devices</topic><topic>Rods</topic><topic>Scanning electron microscopy</topic><topic>Silica</topic><topic>Silicon dioxide</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vargas-Osorio, Z</creatorcontrib><creatorcontrib>González-Gómez, M. 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B, Materials for biology and medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vargas-Osorio, Z</au><au>González-Gómez, M. A</au><au>Piñeiro, Y</au><au>Vázquez-Vázquez, C</au><au>Rodríguez-Abreu, C</au><au>López-Quintela, M. A</au><au>Rivas, J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Novel synthetic routes of large-pore magnetic mesoporous nanocomposites (SBA-15/FeO) as potential multifunctional theranostic nanodevices</atitle><jtitle>Journal of materials chemistry. B, Materials for biology and medicine</jtitle><addtitle>J Mater Chem B</addtitle><date>2017-12-21</date><risdate>2017</risdate><volume>5</volume><issue>47</issue><spage>9395</spage><epage>944</epage><pages>9395-944</pages><issn>2050-750X</issn><eissn>2050-7518</eissn><abstract>In this paper, novel magnetic silica nanocomposites were prepared by anchoring magnetite nanoparticles onto the outer surface of mesoporous SBA-15 silica; the magnetic nanoparticles were prepared by microemulsion and solvothermal methods, varying the synthesis conditions in order to control the final physicochemical, textural and magnetic properties. The morphology and mesostructure of the materials were characterized by X-ray diffraction (XRD), Fourier-Transform Infrared Spectroscopy (FTIR), N
2
adsorption-desorption, and Transmission and Scanning Electron Microscopy (TEM and SEM). Magnetic silica nanocomposites feature a two-dimensional hexagonal arrangement constituted by a homogeneous pore channel system with diameters between 13 and 18 nm and a Brunauer-Emmett-Teller (BET) surface area higher than 260 m
2
g
−1
. The different morphologies of the samples are given by the presence of diverse magnetic nanoparticle arrangements covalently linked onto the outer surface of the mesoporous silica rods. This confers on them a superparamagnetic behaviour with a magnetic response between 50-80 emu g
−1
, even though the weight percent of magnetite present in the samples does not exceed 21.7%. In addition, the magnetic nanocomposites exhibit magnetic hyperthermia with moderate Specific Absorption Rate (SAR) values.
Superparamagnetic nanocomposites with a well-defined mesoporous matrix and mesoporous surface available for the high loading of drugs or biological entities.</abstract><cop>England</cop><pub>Royal Society of Chemistry</pub><pmid>32264542</pmid><doi>10.1039/c7tb01963g</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0002-4842-8028</orcidid><orcidid>https://orcid.org/0000-0002-5059-3196</orcidid><orcidid>https://orcid.org/0000-0003-3689-4993</orcidid><orcidid>https://orcid.org/0000-0003-4614-1629</orcidid><oa>free_for_read</oa></addata></record> |
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source | Royal Society Of Chemistry Journals |
subjects | Anchoring Electron microscopy Fourier transforms Hyperthermia Infrared spectroscopy Iron oxides Magnetic properties Magnetite Nanocomposites Nanoparticles Nanotechnology devices Rods Scanning electron microscopy Silica Silicon dioxide X-ray diffraction |
title | Novel synthetic routes of large-pore magnetic mesoporous nanocomposites (SBA-15/FeO) as potential multifunctional theranostic nanodevices |
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