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CdSe Quantum Dots for Two-Photon Fluorescence Thermal Imaging
Open accessAbstract
The technological development of quantum dots has ushered in a new era in fluorescence bioimaging, which was propelled with the advent of novel multiphoton fluorescence microscopes. Here, the potential use of CdSe quantum dots has been evaluated as fluorescent nanothermometers for two-photon fluorescence microscopy. In addition to the enhancement in spatial resolution inherent to any multiphoton excitation processes, two-photon (near-infrared) excitation leads to a temperature sensitivity of the emission intensity much higher than that achieved under one-photon (visible) excitation. The peak emission wavelength is also temperature sensitive, providing an additional approach for thermal imaging, which is particularly interesting for systems where nanoparticles are not homogeneously dispersed. On the basis of these superior thermal sensitivity properties of the two-photon excited fluorescence, we have demonstrated the ability of CdSe quantum dots to image a temperature gradient artificially created in a biocompatible fluid (phosphate-buffered saline) and also their ability to measure an intracellular temperature increase externally induced in a single living cell.
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Cited by
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Wang, X.-D., Wolfbeis, O. S., & Meier, R. J. (2013) · Chemical Society Reviews · doi:10.1039/c3cs60102a · Cited by 1,647
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Wolfbeis, O. S. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00392f · Cited by 1,631
Mapping Intracellular Temperature Using Green Fluorescent Protein
Donner, J. S., Thompson, S. A., Kreuzer, M. P., Baffou, G., & Quidant, R. (2012) · Nano Letters · doi:10.1021/nl300389y · Cited by 441
Subtissue Thermal Sensing Based on Neodymium-Doped LaF3Nanoparticles
Rocha, U., Jacinto da Silva, C., Ferreira Silva, W., Guedes, I., Benayas, A., Martínez Maestro, L., Acosta Elias, M., Bovero, E., van Veggel, F. C. J. M., García Solé, J. A., et al. (2013) · ACS Nano · doi:10.1021/nn304373q · Cited by 382
Self-citationKe, G., Wang, C., Ge, Y., Zheng, N., Zhu, Z., & Yang, C. J. (2012) · Journal of the American Chemical Society · doi:10.1021/ja3082439 · Cited by 196
Metadata
- Authors
- Maestro, L. M., Rodríguez, E. M., Rodríguez, F. S., la Cruz, M. C. I.-D., Juarranz, A., Naccache, R., Vetrone, F., Jaque, D., Capobianco, J. A., & Solé, J. G.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-11-09
- Volume
- 10
- Issue
- 12
- Pages
- 5109-5115
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2052818359
- Cited by
- 322
- References
- 0
- FWCI
- 7.10
- Type
- journal article
- Language
- en
- Open access
- green
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- Maestro, L. M., Rodríguez, E. M., Rodríguez, F. S., la Cruz, M. C. I.-D., Juarranz, A., Naccache, R., Vetrone, F., Jaque, D., Capobianco, J. A., & Solé, J. G. (2010). CdSe Quantum Dots for Two-Photon Fluorescence Thermal Imaging. Nano Letters. https://doi.org/10.1021/nl1036098
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