The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
Variation of Protein Corona Composition of Gold Nanoparticles Following Plasmonic Heating
Abstract
It is well recognized that the primary interaction of most biological environments with nanoparticles (NPs) is strongly influenced by a long-lived ("hard") protein corona that surrounds the NP and remains strongly adsorbed to its surface. The amount and composition of associated proteins in the corona adsorbed onto the NPs is related to several important factors, including the physicochemical properties of the NPs and the composition of the protein solution. Here, for the first time, it is shown that plasmonic heat induction (by laser activation) leads to significant changes in the composition of the hard protein corona adsorbed on low aspect ratio gold nanorods. Using mass spectrometry, several proteins in the corona were identified whose concentrations change most substantially as a result of photoinduced (plasmonic) heating versus simple thermal heating. Molecular modeling suggests that the origin of these changes in protein adsorption may be the result of protein conformational changes in response to much higher local temperatures that occur near the gold nanorods during photoinduced, plasmonic heating. These results may define new applications in vivo for NPs with hyperthermia capability and better define the likely interactions of cells with NPs after plasmonic heating. Potential changes in the protein corona following hyperthermia treatment may influence the final biological fate of plasmonic NPs in clinical applications and help elucidate safety considerations for hyperthermia applications.
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Cites
Monopoli, M. P., Walczyk, D., Campbell, A., Elia, G., Lynch, I., Baldelli Bombelli, F., & Dawson, K. A. (2011) · Journal of the American Chemical Society · doi:10.1021/ja107583h · Cited by 1,835
Magnetic fluid hyperthermia: focus on superparamagnetic iron oxide nanoparticles
Laurent, S., Dutz, S., Häfeli, U. O., & Mahmoudi, M. (2011) · Advances in Colloid and Interface Science · doi:10.1016/j.cis.2011.04.003 · Cited by 1,326
Self-citationTime Evolution of the Nanoparticle Protein Corona
Casals, E., Pfaller, T., Duschl, A., Oostingh, G. J., & Puntes, V. (2010) · ACS Nano · doi:10.1021/nn901372t · Cited by 1,211
Environmental effects of information and communications technologies
Williams, E. (2011) · Nature · doi:10.1038/nature10682 · Cited by 304
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Metadata
- Authors
- Mahmoudi, M., Lohse, S. E., Murphy, C. J., Fathizadeh, A., Montazeri, A., & Suslick, K. S.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-12-12
- Volume
- 14
- Issue
- 1
- Pages
- 6-12
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2117788156
- Cited by
- 194
- References
- 4
- FWCI
- 5.89
- Type
- journal article
- Language
- en
- Open access
- closed
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