Aging of porous silicon in physiological conditions: Cell adhesion modes on scaled 1D micropatterns
The surface properties of porous silicon (PSi) evolve rapidly in phosphate‐buffered saline. X‐ray photoelectron spectra indicate the formation of a Si–OH and C–O enriched surface, which becomes increasingly hydrophilic with aging time. Multiscale stripe micropatterns of Si and PSi have been fabricat...
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| Veröffentlicht in: | Journal of biomedical materials research. Part A 2012-06, Vol.100A (6), p.1615-1622 |
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| container_title | Journal of biomedical materials research. Part A |
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| creator | Noval, Alvaro Muñoz Vaquero, Vanessa Sánchez Quijorna, Esther Punzón Costa, Vicente Torres Pérez, Darío Gallach Méndez, Laura González Montero, Isabel Palma, Raul J. Martín Font, Aurelio Climent Ruiz, Josefa P. García Silván, Miguel Manso |
| description | The surface properties of porous silicon (PSi) evolve rapidly in phosphate‐buffered saline. X‐ray photoelectron spectra indicate the formation of a Si–OH and C–O enriched surface, which becomes increasingly hydrophilic with aging time. Multiscale stripe micropatterns of Si and PSi have been fabricated by means of a high‐energy ion‐beam irradiation process. These micropatterns have been aged in physiological conditions and used to analyze human mesenchymal stem cell (hMSC) adhesion. The actin cytoskeleton of hMSCs orients following the uniaxial micropatterns. In the wider Si stripes, hMSCs are dominantly located on Si areas. However, for reduced Si widths, adhesion is avoided on PSi by a split assembly of the actin cytoskeleton on two parallel Si areas. These results confirm that nanostructured Si–OH/C–O‐rich surfaces with hydrophilic character are specially adapted for the creation of cell adhesion surface contrasts. © 2012 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 2012. |
| doi_str_mv | 10.1002/jbm.a.34108 |
| format | Article |
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Martín ; Font, Aurelio Climent ; Ruiz, Josefa P. García ; Silván, Miguel Manso</creator><creatorcontrib>Noval, Alvaro Muñoz ; Vaquero, Vanessa Sánchez ; Quijorna, Esther Punzón ; Costa, Vicente Torres ; Pérez, Darío Gallach ; Méndez, Laura González ; Montero, Isabel ; Palma, Raul J. Martín ; Font, Aurelio Climent ; Ruiz, Josefa P. García ; Silván, Miguel Manso</creatorcontrib><description>The surface properties of porous silicon (PSi) evolve rapidly in phosphate‐buffered saline. X‐ray photoelectron spectra indicate the formation of a Si–OH and C–O enriched surface, which becomes increasingly hydrophilic with aging time. Multiscale stripe micropatterns of Si and PSi have been fabricated by means of a high‐energy ion‐beam irradiation process. These micropatterns have been aged in physiological conditions and used to analyze human mesenchymal stem cell (hMSC) adhesion. The actin cytoskeleton of hMSCs orients following the uniaxial micropatterns. In the wider Si stripes, hMSCs are dominantly located on Si areas. However, for reduced Si widths, adhesion is avoided on PSi by a split assembly of the actin cytoskeleton on two parallel Si areas. These results confirm that nanostructured Si–OH/C–O‐rich surfaces with hydrophilic character are specially adapted for the creation of cell adhesion surface contrasts. © 2012 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 2012.</description><identifier>ISSN: 1549-3296</identifier><identifier>EISSN: 1552-4965</identifier><identifier>DOI: 10.1002/jbm.a.34108</identifier><identifier>PMID: 22447651</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>Biocompatible Materials - chemistry ; Biological and medical sciences ; Cell Adhesion ; cell guides ; Cells, Cultured ; Humans ; Hydrophobic and Hydrophilic Interactions ; ion-beam modification ; Medical sciences ; mesenchymal stem cells ; Mesenchymal Stromal Cells - cytology ; Nanostructures - chemistry ; physiological aging ; Porosity ; porous silicon ; Silicon - chemistry ; Surface Properties ; Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases ; Technology. Biomaterials. Equipments</subject><ispartof>Journal of biomedical materials research. 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Martín</creatorcontrib><creatorcontrib>Font, Aurelio Climent</creatorcontrib><creatorcontrib>Ruiz, Josefa P. García</creatorcontrib><creatorcontrib>Silván, Miguel Manso</creatorcontrib><title>Aging of porous silicon in physiological conditions: Cell adhesion modes on scaled 1D micropatterns</title><title>Journal of biomedical materials research. Part A</title><addtitle>J. Biomed. Mater. Res</addtitle><description>The surface properties of porous silicon (PSi) evolve rapidly in phosphate‐buffered saline. X‐ray photoelectron spectra indicate the formation of a Si–OH and C–O enriched surface, which becomes increasingly hydrophilic with aging time. Multiscale stripe micropatterns of Si and PSi have been fabricated by means of a high‐energy ion‐beam irradiation process. These micropatterns have been aged in physiological conditions and used to analyze human mesenchymal stem cell (hMSC) adhesion. The actin cytoskeleton of hMSCs orients following the uniaxial micropatterns. In the wider Si stripes, hMSCs are dominantly located on Si areas. However, for reduced Si widths, adhesion is avoided on PSi by a split assembly of the actin cytoskeleton on two parallel Si areas. These results confirm that nanostructured Si–OH/C–O‐rich surfaces with hydrophilic character are specially adapted for the creation of cell adhesion surface contrasts. © 2012 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 2012.</description><subject>Biocompatible Materials - chemistry</subject><subject>Biological and medical sciences</subject><subject>Cell Adhesion</subject><subject>cell guides</subject><subject>Cells, Cultured</subject><subject>Humans</subject><subject>Hydrophobic and Hydrophilic Interactions</subject><subject>ion-beam modification</subject><subject>Medical sciences</subject><subject>mesenchymal stem cells</subject><subject>Mesenchymal Stromal Cells - cytology</subject><subject>Nanostructures - chemistry</subject><subject>physiological aging</subject><subject>Porosity</subject><subject>porous silicon</subject><subject>Silicon - chemistry</subject><subject>Surface Properties</subject><subject>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</subject><subject>Technology. Biomaterials. 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Martín</creator><creator>Font, Aurelio Climent</creator><creator>Ruiz, Josefa P. García</creator><creator>Silván, Miguel Manso</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Wiley-Blackwell</general><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>201206</creationdate><title>Aging of porous silicon in physiological conditions: Cell adhesion modes on scaled 1D micropatterns</title><author>Noval, Alvaro Muñoz ; Vaquero, Vanessa Sánchez ; Quijorna, Esther Punzón ; Costa, Vicente Torres ; Pérez, Darío Gallach ; Méndez, Laura González ; Montero, Isabel ; Palma, Raul J. Martín ; Font, Aurelio Climent ; Ruiz, Josefa P. 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| ispartof | Journal of biomedical materials research. Part A, 2012-06, Vol.100A (6), p.1615-1622 |
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| subjects | Biocompatible Materials - chemistry Biological and medical sciences Cell Adhesion cell guides Cells, Cultured Humans Hydrophobic and Hydrophilic Interactions ion-beam modification Medical sciences mesenchymal stem cells Mesenchymal Stromal Cells - cytology Nanostructures - chemistry physiological aging Porosity porous silicon Silicon - chemistry Surface Properties Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Technology. Biomaterials. Equipments |
| title | Aging of porous silicon in physiological conditions: Cell adhesion modes on scaled 1D micropatterns |
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