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Near-Infrared Fluorescence Microscopy of Single-Walled Carbon Nanotubes in Phagocytic Cells
Abstract
The uptake of pristine single-walled carbon nanotubes into macrophage-like cells has been studied using the nanotubes' intrinsic near-infrared fluorescence. Macrophage samples that have been incubated in growth media containing suspended single-walled nanotubes show characteristic nanotube fluorescence spectra. The fluorescence intensities increase smoothly with incubation time and external nanotube concentration. Near-infrared fluorescence microscopy at wavelengths above 1100 nm provides high contrast images indicating localization of nanotubes in numerous intracellular vesicles. Nanotube uptake appears to occur through phagocytosis. Population growth of macrophage cultures is unaffected by exposure to single-walled nanotube concentrations of ca. 4 mug/mL for up to 96 h.
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Citations
Cites
Perspectives on the Physical Chemistry of Semiconductor Nanocrystals
Alivisatos, A. P. (1996) · The Journal of Physical Chemistry · doi:10.1021/jp9535506 · Cited by 3,595
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Nano-graphene oxide for cellular imaging and drug delivery
Sun, X., Liu, Z., Welsher, K., Robinson, J. T., Goodwin, A., Zaric, S., & Dai, H. (2008) · Nano Research · doi:10.1007/s12274-008-8021-8 · Cited by 3,291
Supramolecular Chemistry on Water-Soluble Carbon Nanotubes for Drug Loading and Delivery
Liu, Z., Sun, X., Nakayama-Ratchford, N., & Dai, H. (2007) · ACS Nano · doi:10.1021/nn700040t · Cited by 1,368
Unusual inflammatory and fibrogenic pulmonary responses to single-walled carbon nanotubes in mice
Shvedova, A. A., Kisin, E. R., Mercer, R., Murray, A. R., Johnson, V. J., Potapovich, A. I., Tyurina, Y. Y., Gorelik, O., Arepalli, S., Schwegler-Berry, D., et al. (2005) · American Journal of Physiology-Lung Cellular and Molecular Physiology · doi:10.1152/ajplung.00084.2005 · Cited by 1,312
A route to brightly fluorescent carbon nanotubes for near-infrared imaging in mice
Welsher, K., Liu, Z., Sherlock, S. P., Robinson, J. T., Chen, Z., Daranciang, D., & Dai, H. (2009) · Nature Nanotechnology · doi:10.1038/nnano.2009.294 · Cited by 1,287
Metadata
- Authors
- Cherukuri, P., Bachilo, S. M., Litovsky, S. H., & Weisman, R. B.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-11-11
- Volume
- 126
- Issue
- 48
- Pages
- 15638-15639
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2051511277
- Cited by
- 817
- References
- 1
- FWCI
- 26.75
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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