Nano Letters, volume 10, issue 12, pages 5109-5115

CdSe quantum dots for two-photon fluorescence thermal imaging.

L.M. Maestro 1
Francisco Rodriguez 2
M C Iglesias De La Cruz 2
A Juarranz 2
Rafik Naccache 3
Fiorenzo Vetrone 4
D. Jaque 1
José García Solé 1
Publication typeJournal Article
Publication date2010-11-09
Journal: Nano Letters
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor10.8
ISSN15306984, 15306992
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Bioengineering
Abstract
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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GOST Copy
Maestro L. et al. CdSe quantum dots for two-photon fluorescence thermal imaging. // Nano Letters. 2010. Vol. 10. No. 12. pp. 5109-5115.
GOST all authors (up to 50) Copy
Maestro L., RODRÍGUEZ E., Rodriguez F., La Cruz M. C. I. D., Juarranz A., Naccache R., Vetrone F., Jaque D., Capobianco J. A., Solé J. G. CdSe quantum dots for two-photon fluorescence thermal imaging. // Nano Letters. 2010. Vol. 10. No. 12. pp. 5109-5115.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1021/nl1036098
UR - https://doi.org/10.1021/nl1036098
TI - CdSe quantum dots for two-photon fluorescence thermal imaging.
T2 - Nano Letters
AU - La Cruz, M C Iglesias De
AU - Maestro, L.M.
AU - RODRÍGUEZ, EMMA
AU - Rodriguez, Francisco
AU - Juarranz, A
AU - Naccache, Rafik
AU - Vetrone, Fiorenzo
AU - Jaque, D.
AU - Capobianco, John A.
AU - Solé, José García
PY - 2010
DA - 2010/11/09 00:00:00
PB - American Chemical Society (ACS)
SP - 5109-5115
IS - 12
VL - 10
SN - 1530-6984
SN - 1530-6992
ER -
BibTex |
Cite this
BibTex Copy
@article{2010_Maestro,
author = {M C Iglesias De La Cruz and L.M. Maestro and EMMA RODRÍGUEZ and Francisco Rodriguez and A Juarranz and Rafik Naccache and Fiorenzo Vetrone and D. Jaque and John A. Capobianco and José García Solé},
title = {CdSe quantum dots for two-photon fluorescence thermal imaging.},
journal = {Nano Letters},
year = {2010},
volume = {10},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021/nl1036098},
number = {12},
pages = {5109--5115},
doi = {10.1021/nl1036098}
}
MLA
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MLA Copy
Maestro, L.M., et al. “CdSe quantum dots for two-photon fluorescence thermal imaging..” Nano Letters, vol. 10, no. 12, Nov. 2010, pp. 5109-5115. https://doi.org/10.1021/nl1036098.
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