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Cited by 546

The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.

Minimizing Oxidation and Stable Nanoscale Dispersion Improves the Biocompatibility of Graphene in the Lung

Open access
Duch, Matthew C., Budinger, G. R. Scott, Liang, Yu Teng, Soberanes, Saul, Urich, Daniela, Chiarella, Sergio E., Campochiaro, Laura A., Gonzalez, Angel, Chandel, Navdeep S., Hersam, Mark C., Mutlu, Gökhan M.·2011·Nano Letters

Abstract

To facilitate the proposed use of graphene and its derivative graphene oxide (GO) in widespread applications, we explored strategies that improve the biocompatibility of graphene nanomaterials in the lung. In particular, solutions of aggregated graphene, Pluronic dispersed graphene, and GO were administered directly into the lungs of mice. The introduction of GO resulted in severe and persistent lung injury. Furthermore, in cells GO increased the rate of mitochondrial respiration and the generation of reactive oxygen species, activating inflammatory and apoptotic pathways. In contrast, this toxicity was significantly reduced in the case of pristine graphene after liquid phase exfoliation and was further minimized when the unoxidized graphene was well-dispersed with the block copolymer Pluronic. Our results demonstrate that the covalent oxidation of graphene is a major contributor to its pulmonary toxicity and suggest that dispersion of pristine graphene in Pluronic provides a pathway for the safe handling and potential biomedical application of two-dimensional carbon nanomaterials.

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Crossref · 10.1021/nl202515a

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Metadata

Authors
Duch, M. C., Budinger, G. R. S., Liang, Y. T., Soberanes, S., Urich, D., Chiarella, S. E., Campochiaro, L. A., Gonzalez, A., Chandel, N. S., Hersam, M. C., & Mutlu, G. M.
Venue
Nano Letters
Published
2011-10-27
Volume
11
Issue
12
Pages
5201-5207
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
OpenAlex
W2081705834
Cited by
546
References
4
FWCI
19.69
Type
journal article
Language
en
Open access
green

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