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Preparation and characterization of amino–silane modified superparamagnetic silica nanospheres
Open accessAbstract
Magnetite nanoparticles were prepared by coprecipitation of Fe2+ and Fe3+ with NH4OH, and then, silica was coated on the surface of the magnetite nanoparticles to form well-dispersed magnetic silica nanospheres. The size of spheres was controlled by changing the ratio of SiO2 to Fe3O4. Amino-silane was covalently coupled to the surface of the magnetic silica nanospheres and activated by glutaraldehyde. The morphology and magnetic properties of magnetic silica nanospheres were examined by TEM and VSM. The nanospheres have an average size of 100-200 nm diameter and possess superparamagnetic characteristics. Powder X-ray diffraction measurements show the spinel structure for the magnetite particles coated by silica. By protein immobilization assay, it was proved that the amino-silane treated magnetic silica nanospheres could significantly improve the capacity of protein immobilization. (C) 2003 Published by Elsevier B.V.
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Kondo, A., & Fukuda, H. (1997) · Journal of Fermentation and Bioengineering · doi:10.1016/s0922-338x(97)89255-0 · Cited by 162
Adsorption of model proteins with wide variation in molecular properties on colloidal particles
Kondo, A., & Higashitani, K. (1992) · Journal of Colloid and Interface Science · doi:10.1016/0021-9797(92)90204-y · Cited by 119
Magnetic solid phase enzyme-immunoassay
Guesdon, J., & Avraméas, S. (1977) · Immunochemistry · doi:10.1016/0019-2791(77)90170-7 · Cited by 119
Shinkai, M., Suzuki, M., Iijima, S., & Kobayashi, T. (1995) · Biotechnology and Applied Biochemistry · doi:10.1111/j.1470-8744.1995.tb00329.x · Cited by 103
Cell Separation Using Protein-A-Coated Magnetic Nanoclusters
Sonti, S. V., & Bose, A. (1995) · Journal of Colloid and Interface Science · doi:10.1006/jcis.1995.1137 · Cited by 77
Cited by
Laurent, S., Forge, D., Port, M., Roch, A., Robic, C., Vander Elst, L., & Muller, R. N. (2008) · Chemical Reviews · doi:10.1021/cr068445e · Cited by 6,852
Liu, J.-F., Zhao, Z.-S., & Jiang, G.-B. (2008) · Environmental Science & Technology · doi:10.1021/es800924c · Cited by 1,084
Iron Oxide Nanoparticle Based Contrast Agents for Magnetic Resonance Imaging
Shen, Z., Wu, A., & Chen, X. (2017) · Molecular Pharmaceutics · doi:10.1021/acs.molpharmaceut.6b00839 · Cited by 328
Applications of magnetic metal–organic framework composites
Ricco, R., Malfatti, L., Takahashi, M., Hill, A. J., & Falcaro, P. (2013) · Journal of Materials Chemistry A · doi:10.1039/c3ta13140h · Cited by 316
Montoro-Leal, P., García-Mesa, J. C., Siles Cordero, M. T., López Guerrero, M. M., & Vereda Alonso, E. (2020) · Microchemical Journal · doi:10.1016/j.microc.2020.104796 · Cited by 77
Metadata
- Authors
- Liu, X., Ma, Z., Xing, J., & Liu, H.
- Venue
- Journal of Magnetism and Magnetic Materials
- Publisher
- Elsevier BV
- Published
- 2004-03
- Volume
- 270
- Issue
- 1-2
- Pages
- 1-6
- ISSN
- 0304-8853 (ISSN-L)
- OpenAlex
- W1969346899
- Cited by
- 517
- References
- 5
- FWCI
- 5.93
- Type
- journal article
- Language
- en
- Open access
- green
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- Liu, X., Ma, Z., Xing, J., & Liu, H. (2004). Preparation and characterization of amino–silane modified superparamagnetic silica nanospheres. Journal of Magnetism and Magnetic Materials. https://doi.org/10.1016/j.jmmm.2003.07.006
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