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Magnetite Nanoparticle-Linked Immunosorbent Assay
Abstract
Using chitosan-modified magnetite nanoparticles (CS-MNPs) as a replacement of enzymes in conventional ELISA configurations, a magnetic nanoparticle-linked immunosorbent assay is developed. The CS-MNPs are synthesized by using a one-step solvothermal process, where chitosan in the reaction system is used both as a ligand and as a surface modification agent. The as-synthesized CS-MNPs have amine groups on their surface which provide good dispersibility in aqueous solutions and convenient sites for covalent linking of antibodies with the MNPs. They also possess catalytic properties that are able to catalyze color reactions in immunoassays and magnetic properties that can be used to capture, separate, and enrich antigens prior to the assay procedure. By employing both the catalytic and magnetic properties of the CS-MNPs, a capture-detection immunoassay is developed, where antigens can be captured, separated, and enriched prior to the assay procedure.
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Cites
Intrinsic peroxidase-like activity of ferromagnetic nanoparticles
Gao, L., Zhuang, J., Nie, L., Zhang, J., Zhang, Y., Gu, N., Wang, T., Feng, J., Yang, D., Perrett, S., et al. (2007) · Nature Nanotechnology · doi:10.1038/nnano.2007.260 · Cited by 7,483
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Nanomaterials with enzyme-like characteristics (nanozymes): next-generation artificial enzymes
Wei, H., & Wang, E. (2013) · Chemical Society Reviews · doi:10.1039/c3cs35486e · Cited by 3,779
Fan, K., Wang, H., Xi, J., Liu, Q., Meng, X., Duan, D., Gao, L., & Yan, X. (2017) · Chemical Communications · doi:10.1039/c6cc08542c · Cited by 458
Self-citationFe3O4 nanostructures: synthesis, growth mechanism, properties and applications
Yang, C., Wu, J., & Hou, Y. (2011) · Chemical Communications · doi:10.1039/c0cc05862a · Cited by 309
Self-citationMagnetic separation techniques in sample preparation for biological analysis: A review
He, J., Huang, M., Wang, D., Zhang, Z., & Li, G. (2014) · Journal of Pharmaceutical and Biomedical Analysis · doi:10.1016/j.jpba.2014.04.017 · Cited by 275
Hwang, G., Liu, Y., Kim, D., Li, Y., Krysan, D. J., & Koo, H. (2017) · PLOS Pathogens · doi:10.1371/journal.ppat.1006407 · Cited by 214
Metadata
- Authors
- Gao, L., Wu, J., Lyle, S., Zehr, K., Cao, L., & Gao, D.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-10-14
- Volume
- 112
- Issue
- 44
- Pages
- 17357-17361
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2049044406
- Cited by
- 159
- References
- 1
- FWCI
- 6.82
- Type
- journal article
- Language
- en
- Open access
- closed
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- Gao, L., Wu, J., Lyle, S., Zehr, K., Cao, L., & Gao, D. (2008). Magnetite Nanoparticle-Linked Immunosorbent Assay. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp805994h
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