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Carboxyl group (–CO2H) functionalized ferrimagnetic iron oxide nanoparticles for potential bio-applications
Abstract
A new approach to prepare surface-functionalized magnetic nanoparticles by synthesis of poly(methacrylic acid) (PMAA) coated maghemite nanoparticles in aqueous solution is reported. Maghemite (γ-Fe2O3) nanoparticles with an average diameter of 8 ± 2 nm were fabricated and subsequently coated with PMAA by emulsion polymerization. The FTIR study and thermal analysis confirmed the chemical adsorption of methacrylic acid on the maghemite nanoparticle surface, and suggested a symmetrical carboxylate bonding. The free carboxyl group of PMAA, which was verified by FTIR spectroscopy and zeta potential measurement, provided the site for immobilization of foreign molecules. The PMAA coated maghemite nanoparticles were demonstrated as potential magnetically targeted drug carriers by adsorbing an anti-cancer drug (carboplatin) via the ion–dipole interaction between CO2− of PMAA and carboplatin.
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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
A Toxicologic Review of Quantum Dots: Toxicity Depends on Physicochemical and Environmental Factors
Hardman, R. (2006) · Environmental Health Perspectives · doi:10.1289/ehp.8284 · Cited by 2,303
Antimicrobial activity of iron oxide nanoparticle upon modulation of nanoparticle-bacteria interface
Arakha, M., Pal, S., Samantarrai, D., Panigrahi, T. K., Mallick, B. C., Pramanik, K., Mallick, B., & Jha, S. (2015) · Scientific Reports · doi:10.1038/srep14813 · Cited by 804
Superparamagnetic Iron Oxide Nanoparticle Probes for Molecular Imaging
Thorek, D. L. J., Chen, A. K., Czupryna, J., & Tsourkas, A. (2006) · Annals of Biomedical Engineering · doi:10.1007/s10439-005-9002-7 · Cited by 772
Lunov, O., Syrovets, T., Loos, C., Beil, J., Delacher, M., Tron, K., Nienhaus, G. U., Musyanovych, A., Mailänder, V., Landfester, K., et al. (2011) · ACS Nano · doi:10.1021/nn2000756 · Cited by 600
Metadata
- Authors
- Yu, S., & Chow, G. M.
- Venue
- J. Mater. Chem.
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2004
- Volume
- 14
- Issue
- 18
- Pages
- 2781-2786
- ISSN
- 0959-9428 (ISSN-L)
- 1364-5501
- OpenAlex
- W2139702401
- Cited by
- 370
- References
- 0
- FWCI
- 5.96
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yu, S., & Chow, G. M. (2004). Carboxyl group (–CO2H) functionalized ferrimagnetic iron oxide nanoparticles for potential bio-applications. J. Mater. Chem. https://doi.org/10.1039/b404964k
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